Cape Ann's Marina, MA
07/04/2026 04:00 AM
72°F
TEMPERATURE
Winds 7 mph W
Partly Cloudy
Mostly clear, with a low around 72. West wind around 7 mph.

Alerts

You have (1) alert(s). Tap to see details.

Heat Advisory

Moderate
Heat Advisory issued July 4 at 2:22AM EDT until July 4 at 8:00PM EDT by NWS Boston/Norton MA
NWS Boston/Norton MA
Category Certainty Severity
Met Likely Moderate
Status Urgency Category
Actual Expected Met
Effective Ends Expires
07/04/2026 02:22 AM 07/04/2026 08:00 PM 07/04/2026 03:30 PM 
* WHAT...Heat index values 95 to 102 degrees.

* WHERE...All of southern New England except Nantucket.

* WHEN...Until 8 PM EDT this evening.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
Moonrise
12:01 AM
Moonset
10:35 AM
Sunrise
05:09 AM
Moon Phase
Waning gibbous
Sunset
08:24 PM

Hourly Forecast

Sat, 04:00 AM

Partly Cloudy
Winds: 7 mph W
72°

Sat, 05:00 AM

Mostly Clear
Winds: 6 mph W
72°

Sat, 06:00 AM

Mostly Sunny
Winds: 7 mph W
73°

Sat, 07:00 AM

Sunny
Winds: 7 mph W
75°

Sat, 08:00 AM

Sunny
Winds: 8 mph W
78°

Sat, 09:00 AM

Sunny
Winds: 7 mph W
80°

Sat, 10:00 AM

Sunny
Winds: 7 mph W
83°

Sat, 11:00 AM

Mostly Sunny
Winds: 6 mph W
84°

Sat, 12:00 PM

Mostly Sunny
Winds: 7 mph W
85°

Sat, 01:00 PM

Slight Chance Rain Showers
Winds: 7 mph W
85°

Sat, 02:00 PM

Chance Showers And Thunderstorms
Winds: 8 mph W
85°

Sat, 03:00 PM

Chance Showers And Thunderstorms
Winds: 8 mph W
85°

Sat, 04:00 PM

Chance Showers And Thunderstorms
Winds: 9 mph W
85°

Sat, 05:00 PM

Chance Showers And Thunderstorms
Winds: 9 mph W
83°

Sat, 06:00 PM

Slight Chance Showers And Thunderstorms
Winds: 9 mph W
82°

Sat, 07:00 PM

Slight Chance Showers And Thunderstorms
Winds: 8 mph NW
79°

Sat, 08:00 PM

Mostly Cloudy
Winds: 8 mph NW
77°

Sat, 09:00 PM

Mostly Cloudy
Winds: 7 mph NW
75°

Sat, 10:00 PM

Mostly Cloudy
Winds: 7 mph NW
74°

Sat, 11:00 PM

Mostly Cloudy
Winds: 6 mph NW
72°

Sun, 12:00 AM

Mostly Cloudy
Winds: 8 mph NW
71°

Sun, 01:00 AM

Mostly Cloudy
Winds: 9 mph N
71°

Sun, 02:00 AM

Mostly Cloudy
Winds: 10 mph N
70°

Sun, 03:00 AM

Mostly Cloudy
Winds: 9 mph N
68°

Overnight

Mostly Clear
72°
Winds: 7 mph W
Mostly clear, with a low around 72. West wind around 7 mph.

Independence Day

Mostly Sunny then Chance Showers And Thunderstorms
88°
Winds: 6 to 9 mph W
A slight chance of rain showers between 1pm and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88. West wind 6 to 9 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Saturday Night

Slight Chance Showers And Thunderstorms
65°
Winds: 6 to 10 mph NW
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Northwest wind 6 to 10 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible.

Sunday

Mostly Sunny
74°
Winds: 9 mph E
Mostly sunny, with a high near 74. East wind around 9 mph. New rainfall amounts less than a tenth of an inch possible.

Sunday Night

Mostly Cloudy
62°
Winds: 6 to 9 mph SE
Mostly cloudy, with a low around 62. Southeast wind 6 to 9 mph.

Monday

Partly Sunny then Chance Rain Showers
82°
Winds: 3 to 7 mph SE
A chance of rain showers after 2pm. Partly sunny, with a high near 82. Southeast wind 3 to 7 mph. Chance of precipitation is 40%.

Monday Night

Showers And Thunderstorms Likely
64°
Winds: 6 mph SE
A chance of rain showers before 2am, then showers and thunderstorms likely. Mostly cloudy, with a low around 64. Southeast wind around 6 mph. Chance of precipitation is 60%.

Tuesday

Showers And Thunderstorms Likely
74°
Winds: 6 to 10 mph E
Showers and thunderstorms likely. Partly sunny, with a high near 74. East wind 6 to 10 mph. Chance of precipitation is 60%.

Tuesday Night

Chance Showers And Thunderstorms
65°
Winds: 7 mph NE
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Northeast wind around 7 mph. Chance of precipitation is 30%.

Wednesday

Slight Chance Rain Showers
76°
Winds: 6 mph E
A slight chance of rain showers. Partly sunny, with a high near 76. East wind around 6 mph.

Wednesday Night

Slight Chance Rain Showers then Partly Cloudy
68°
Winds: 5 mph S
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 68. South wind around 5 mph.

Thursday

Mostly Sunny
85°
Winds: 2 to 8 mph SW
Mostly sunny, with a high near 85. Southwest wind 2 to 8 mph.

Thursday Night

Partly Cloudy then Slight Chance Rain Showers
71°
Winds: 7 mph SW
A slight chance of rain showers after 4am. Partly cloudy, with a low around 71. Southwest wind around 7 mph.

Friday

Chance Rain Showers
85°
Winds: 7 mph SW
A chance of rain showers. Mostly sunny, with a high near 85. Southwest wind around 7 mph.

Coastal Waters Forecast for Massachusetts and Rhode Island

National Weather Service Boston/Norton MA

for Massachusetts and Rhode Island coastal waters. A cold front will cross the waters Sat. High pres then noses down from Quebec as low pres approaches from the west Sun into early next week.

Coastal waters from the Merrimack River MA to Watch Hill RI out to 60 NM

Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary

TODAY
W winds 5 to 10 kt Seas around 2 ft Wave Detail: W 1 foot at 3 seconds and SE 1 foot at 4 seconds A chance of showers with a slight chance of tstms this afternoon
TONIGHT
W winds 5 to 10 kt, becoming N after midnight Seas around 2 ft Wave Detail: NW 1 foot at 3 seconds and S 1 foot at 4 seconds
SUN
NE winds 5 to 10 kt, becoming E in the afternoon Seas around 2 ft Wave Detail: N 1 foot at 3 seconds and S 1 foot at 4 seconds
SUN NIGHT
SE winds 5 to 10 kt Seas around 2 ft Wave Detail: N 1 foot at 3 seconds and S 1 foot at 5 seconds
MON
SE winds 5 to 10 kt Seas around 2 ft Wave Detail: N 1 foot at 2 seconds and SE 1 foot at 3 seconds Scattered showers in the afternoon
MON NIGHT
SE winds 5 to 10 kt Gusts up to 20 kt after midnight Seas around 2 ft Wave Detail: SE 2 ft at 3 seconds and SE 1 foot at 10 seconds Scattered showers in the evening Numerous showers after midnight
TUE
E winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 4 ft Scattered showers
TUE NIGHT
NE winds 5 to 10 kt Seas 3 to 5 ft A chance of showers
WED AND WED NIGHT
NE winds 5 to 10 kt, becoming S Seas 3 to 5 ft
Reporting time 04:04 AM EDT Sat Jul 4 2026

Massachusetts Bay and Ipswich Bay

TODAY
W winds 5 to 10 kt Seas 1 foot or less Wave Detail: E 1 foot at 2 seconds and W 1 foot at 3 seconds A chance of showers with a slight chance of tstms this afternoon
TONIGHT
NW winds 5 to 10 kt, becoming N after midnight Seas 1 foot or less Wave Detail: SW 1 foot at 2 seconds and N 1 foot at 2 seconds
SUN
NE winds 5 to 10 kt, becoming E in the afternoon Seas 1 foot or less Wave Detail: SW 1 foot at 2 seconds and N 1 foot at 3 seconds
SUN NIGHT
SE winds around 5 kt Seas 1 foot or less Wave Detail: NW 1 foot at 2 seconds and S 1 foot at 3 seconds
MON
SE winds 5 to 10 kt Seas 1 foot or less, then around 2 ft in the afternoon Wave Detail: N 1 foot at 2 seconds and SE 1 foot at 3 seconds, becoming SE 1 foot at 4 seconds and E 1 foot at 10 seconds Scattered showers in the afternoon
MON NIGHT
SE winds 5 to 10 kt Seas around 2 ft Wave Detail: SE 2 ft at 4 seconds and E 1 foot at 10 seconds Numerous showers
TUE
E winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Numerous showers
TUE NIGHT
NE winds 5 to 10 kt Seas 2 to 3 ft A chance of showers
WED AND WED NIGHT
NE winds 5 to 10 kt, becoming S Seas 2 to 3 ft
Reporting time 04:04 AM EDT Sat Jul 4 2026

Cape Cod Bay

TODAY
W winds 5 to 10 kt, becoming SW this afternoon Seas 1 foot or less Wave Detail: NW 1 foot at 3 seconds and S 1 foot at 5 seconds A chance of showers with a slight chance of tstms this afternoon
TONIGHT
W winds 5 to 10 kt, becoming N after midnight Seas 1 foot or less, then around 2 ft after midnight Wave Detail: N 1 foot at 3 seconds and SW 1 foot at 3 seconds, becoming N 1 foot at 3 seconds and S 1 foot at 5 seconds A chance of showers in the evening
SUN
NE winds 5 to 10 kt Seas around 2 ft in the morning, then 1 foot or less Wave Detail: N 1 foot at 3 seconds and S 1 foot at 5 seconds, becoming NE 1 foot at 3 seconds and S 1 foot at 7 seconds
SUN NIGHT
SE winds around 5 kt Seas 1 foot or less Wave Detail: E 1 foot at 2 seconds and NW 1 foot at 3 seconds
MON
SE winds 5 to 10 kt Seas around 2 ft Wave Detail: E 1 foot at 2 seconds and N 1 foot at 3 seconds Scattered showers in the morning, then numerous showers in the afternoon
MON NIGHT
E winds 5 to 10 kt Seas around 2 ft Wave Detail: SE 1 foot at 3 seconds and SE 1 foot at 11 seconds Numerous showers
TUE
E winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Numerous showers
TUE NIGHT AND WED
NE winds 5 to 10 kt Seas around 2 ft A chance of showers
WED NIGHT
S winds 5 to 10 kt Seas around 2 ft
Reporting time 04:04 AM EDT Sat Jul 4 2026

Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 NM

TODAY
W winds 5 to 10 kt Gusts up to 20 kt this afternoon Seas 2 to 3 ft Wave Detail: S 2 ft at 5 seconds and NW 1 foot at 3 seconds A slight chance of showers this afternoon
TONIGHT
W winds 5 to 10 kt with gusts up to 20 kt, becoming N after midnight Seas around 2 ft Wave Detail: S 2 ft at 5 seconds and NW 1 foot at 3 seconds A chance of showers in the evening
SUN
NE winds 5 to 10 kt Seas around 2 ft Wave Detail: N 1 foot at 3 seconds and S 1 foot at 5 seconds
SUN NIGHT
E winds 5 to 10 kt Seas around 2 ft Wave Detail: N 1 foot at 3 seconds and S 1 foot at 5 seconds A chance of showers after midnight
MON
E winds 5 to 10 kt Gusts up to 20 kt in the afternoon Seas around 2 ft Wave Detail: N 1 foot at 3 seconds and SE 1 foot at 4 seconds Scattered showers in the morning, then numerous showers in the afternoon
MON NIGHT
E winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: SE 3 ft at 5 seconds and SE 1 foot at 10 seconds Numerous showers
TUE
E winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 4 ft Numerous showers
TUE NIGHT AND WED
NE winds 10 to 15 kt, diminishing to 5 to 10 kt Seas 3 to 5 ft A chance of showers
WED NIGHT
S winds 5 to 10 kt Seas 3 to 4 ft
Reporting time 04:04 AM EDT Sat Jul 4 2026

Coastal Waters extending out to 25 NM South of Marthas Vineyard
and Nantucket

TODAY
W winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: W 2 ft at 4 seconds and SE 1 foot at 9 seconds A slight chance of showers this afternoon
TONIGHT
W winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight Gusts up to 20 kt Seas 2 to 3 ft Wave Detail: W 2 ft at 4 seconds and N 1 foot at 2 seconds A chance of showers
SUN
NE winds 5 to 10 kt Seas 2 to 3 ft Wave Detail: SW 2 ft at 5 seconds and N 1 foot at 3 seconds
SUN NIGHT
E winds around 10 kt Seas around 2 ft Wave Detail: SW 2 ft at 6 seconds and E 1 foot at 3 seconds A chance of showers
MON
E winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: E 2 ft at 3 seconds and N 1 foot at 4 seconds Scattered showers in the morning, then numerous showers in the afternoon
MON NIGHT
E winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: SE 3 ft at 5 seconds and SE 1 foot at 10 seconds Widespread showers A chance of tstms after midnight
TUE
E winds 15 to 20 kt Seas 3 to 4 ft Widespread showers with a chance of tstms
TUE NIGHT AND WED
NE winds 10 to 15 kt Gusts up to 20 kt Seas 3 to 4 ft A chance of showers
WED NIGHT
S winds 5 to 10 kt Seas 2 to 4 ft
Reporting time 04:04 AM EDT Sat Jul 4 2026

Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 NM South of Block Island

TODAY
W winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: W 3 ft at 4 seconds and SE 1 foot at 9 seconds A chance of showers with a slight chance of tstms this afternoon
TONIGHT
W winds 10 to 15 kt with gusts up to 20 kt, becoming NW after midnight Seas 2 to 3 ft Wave Detail: W 3 ft at 4 seconds and N 1 foot at 2 seconds A chance of showers
SUN
NE winds 5 to 10 kt Seas around 2 ft Wave Detail: N 2 ft at 3 seconds and SW 2 ft at 6 seconds
SUN NIGHT
E winds 10 to 15 kt Seas around 2 ft Wave Detail: E 2 ft at 3 seconds and W 2 ft at 5 seconds A chance of showers
MON
E winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: SE 3 ft at 5 seconds and N 1 foot at 3 seconds Widespread showers
MON NIGHT
E winds around 15 kt with gusts up to 20 kt Seas 3 to 4 ft Wave Detail: SE 3 ft at 5 seconds and SE 1 foot at 10 seconds Widespread showers A chance of tstms after midnight
TUE
E winds 15 to 20 kt with gusts up to 25 kt Seas 3 to 4 ft Widespread showers with a chance of tstms
TUE NIGHT AND WED
NE winds 15 to 20 kt with gusts up to 25 kt, diminishing to 10 to 15 kt Seas 3 to 4 ft A chance of showers
WED NIGHT
S winds 5 to 10 kt Seas around 3 ft
Reporting time 04:04 AM EDT Sat Jul 4 2026

Nantucket Sound

TODAY
W winds 5 to 10 kt Gusts up to 20 kt this afternoon Seas 2 to 3 ft Wave Detail: SW 1 foot at 4 seconds and SE 1 foot at 9 seconds A chance of showers with a slight chance of tstms this afternoon
TONIGHT
W winds 5 to 10 kt with gusts up to 20 kt, becoming N after midnight Seas around 2 ft Wave Detail: N 1 foot at 3 seconds and SW 1 foot at 4 seconds A chance of showers
SUN
NE winds 5 to 10 kt Seas around 2 ft Wave Detail: N 1 foot at 3 seconds and SW 1 foot at 5 seconds
SUN NIGHT
E winds 5 to 10 kt Seas around 2 ft in the evening, then 1 foot or less Wave Detail: E 1 foot at 2 seconds and SW 1 foot at 5 seconds, becoming E 1 foot at 3 seconds and NW 1 foot at 4 seconds A chance of showers after midnight
MON
E winds around 10 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: N 1 foot at 3 seconds and E 1 foot at 3 seconds Scattered showers in the morning, then numerous showers in the afternoon
MON NIGHT
E winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: SE 2 ft at 4 seconds and SE 1 foot at 10 seconds Widespread showers A chance of tstms after midnight
TUE
E winds around 15 kt with gusts up to 20 kt Seas 2 to 3 ft Numerous showers with a chance of tstms
TUE NIGHT AND WED
NE winds 10 to 15 kt Gusts up to 20 kt Seas 2 to 3 ft A chance of showers
WED NIGHT
S winds 5 to 10 kt Seas 2 to 3 ft
Reporting time 04:04 AM EDT Sat Jul 4 2026

Vineyard Sound

TODAY
W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt this afternoon Seas 2 to 3 ft Wave Detail: SW 2 ft at 5 seconds and NW 1 foot at 2 seconds A chance of showers with a slight chance of tstms this afternoon
TONIGHT
W winds 5 to 10 kt with gusts up to 20 kt, becoming NW after midnight Seas around 2 ft Wave Detail: W 2 ft at 4 seconds and N 1 foot at 2 seconds A chance of showers
SUN
E winds 5 to 10 kt Seas around 2 ft Wave Detail: W 2 ft at 6 seconds and NE 1 foot at 2 seconds
SUN NIGHT
E winds 5 to 10 kt Seas around 2 ft Wave Detail: E 1 foot at 2 seconds and SW 1 foot at 6 seconds A chance of showers after midnight
MON
E winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: E 1 foot at 2 seconds and N 1 foot at 3 seconds Scattered showers in the morning, then numerous showers in the afternoon
MON NIGHT
E winds 10 to 15 kt Gusts up to 20 kt in the evening Seas 2 to 3 ft Wave Detail: SE 2 ft at 4 seconds and S 1 foot at 10 seconds Widespread showers with a chance of tstms
TUE
E winds 15 to 20 kt Seas 2 to 3 ft Widespread showers with a chance of tstms
TUE NIGHT AND WED
NE winds 10 to 15 kt Gusts up to 20 kt Seas 2 to 3 ft A chance of showers
WED NIGHT
S winds 5 to 10 kt Seas around 2 ft
Reporting time 04:04 AM EDT Sat Jul 4 2026

Buzzards Bay

TODAY
W winds 5 to 10 kt Gusts up to 20 kt this afternoon Seas 2 to 3 ft Wave Detail: SW 2 ft at 5 seconds and NW 1 foot at 2 seconds A chance of showers and tstms this afternoon
TONIGHT
W winds 5 to 10 kt with gusts up to 20 kt, becoming N after midnight Seas around 2 ft Wave Detail: W 2 ft at 4 seconds and SE 1 foot at 9 seconds A chance of showers A chance of tstms in the evening
SUN
E winds 5 to 10 kt Seas 1 foot or less, then around 2 ft in the afternoon Wave Detail: N 1 foot at 3 seconds and SW 1 foot at 5 seconds, becoming E 1 foot at 2 seconds and W 1 foot at 5 seconds
SUN NIGHT
E winds 5 to 10 kt Seas 1 foot or less Wave Detail: E 1 foot at 2 seconds and S 1 foot at 5 seconds A chance of showers after midnight
MON
E winds 5 to 10 kt Gusts up to 20 kt in the afternoon Seas 2 to 3 ft Wave Detail: E 1 foot at 2 seconds and N 1 foot at 3 seconds Scattered showers in the morning, then numerous showers in the afternoon
MON NIGHT
E winds 10 to 15 kt Gusts up to 20 kt in the evening Seas around 2 ft Wave Detail: E 1 foot at 2 seconds and S 1 foot at 5 seconds Widespread showers with a chance of tstms
TUE
E winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Numerous showers with a chance of tstms
TUE NIGHT
NE winds 10 to 15 kt with gusts up to 20 kt Seas around 2 ft A chance of showers
WED AND WED NIGHT
NE winds around 10 kt, becoming S Seas around 2 ft
Reporting time 04:04 AM EDT Sat Jul 4 2026

Rhode Island Sound

TODAY
W winds 5 to 10 kt, becoming SW 10 to 15 kt this afternoon Gusts up to 20 kt Seas 2 to 3 ft Wave Detail: SW 3 ft at 5 seconds and W 1 foot at 2 seconds A chance of showers and tstms this afternoon
TONIGHT
W winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt after midnight Seas 2 to 3 ft Wave Detail: SW 3 ft at 4 seconds and N 1 foot at 2 seconds A chance of showers A chance of tstms in the evening
SUN
NE winds 5 to 10 kt, becoming E in the afternoon Seas around 2 ft Wave Detail: S 2 ft at 6 seconds and N 1 foot at 3 seconds
SUN NIGHT
E winds 5 to 10 kt Seas around 2 ft Wave Detail: SW 2 ft at 5 seconds and E 1 foot at 3 seconds A chance of showers
MON
E winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: S 3 ft at 5 seconds and N 1 foot at 3 seconds Numerous showers
MON NIGHT
E winds 10 to 15 kt Gusts up to 20 kt in the evening Seas 2 to 3 ft Wave Detail: SE 3 ft at 5 seconds and SE 1 foot at 10 seconds Widespread showers with a chance of tstms
TUE
E winds 15 to 20 kt with gusts up to 25 kt Seas 2 to 4 ft Widespread showers with a chance of tstms
TUE NIGHT AND WED
NE winds 10 to 15 kt Gusts up to 20 kt Seas 2 to 3 ft A chance of showers
WED NIGHT
S winds 5 to 10 kt Seas 2 to 3 ft
Reporting time 04:04 AM EDT Sat Jul 4 2026

Block Island Sound

TODAY
W winds 5 to 10 kt, becoming SW 10 to 15 kt this afternoon Gusts up to 20 kt Seas 2 to 3 ft Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at 9 seconds A chance of showers and tstms this afternoon
TONIGHT
W winds 5 to 10 kt with gusts up to 20 kt, becoming NW after midnight Seas 2 to 3 ft Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at 9 seconds A chance of showers A chance of tstms in the evening
SUN
NE winds 5 to 10 kt, becoming E in the afternoon Seas around 2 ft Wave Detail: S 2 ft at 6 seconds and N 1 foot at 2 seconds
SUN NIGHT
E winds 5 to 10 kt Seas around 2 ft Wave Detail: E 1 foot at 3 seconds and SW 1 foot at 5 seconds A chance of showers
MON
E winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: E 3 ft at 4 seconds and S 1 foot at 5 seconds Numerous showers
MON NIGHT
E winds 10 to 15 kt Gusts up to 20 kt in the evening Seas 2 to 3 ft Wave Detail: SE 3 ft at 5 seconds and SE 1 foot at 10 seconds Widespread showers with a chance of tstms
TUE
E winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Widespread showers with a chance of tstms
TUE NIGHT AND WED
NE winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt Seas 2 to 3 ft A chance of showers
WED NIGHT
SW winds 5 to 10 kt Seas 2 to 3 ft
Reporting time 04:04 AM EDT Sat Jul 4 2026

Boston Harbor

TODAY
W winds 5 to 10 kt Waves 1 foot or less, then around 2 ft this afternoon A chance of showers with a slight chance of tstms this afternoon
TONIGHT
NW winds 5 to 10 kt Waves 1 foot or less A chance of showers in the evening
SUN
NE winds 5 to 10 kt, becoming E in the afternoon Waves 1 foot or less
SUN NIGHT
SE winds around 5 kt Waves 1 foot or less
MON
E winds 5 to 10 kt Gusts up to 20 kt in the afternoon Waves 1 foot or less, then around 2 ft in the afternoon Scattered showers
MON NIGHT
E winds 5 to 10 kt Waves around 2 ft in the evening, then 1 foot or less Numerous showers
TUE
E winds 10 to 15 kt with gusts up to 20 kt Waves around 2 ft Numerous showers
TUE NIGHT
NE winds 5 to 10 kt Waves around 2 ft A chance of showers
WED AND WED NIGHT
NE winds 5 to 10 kt, becoming S Waves 1 foot or less
Reporting time 04:04 AM EDT Sat Jul 4 2026

Narragansett Bay

TODAY
W winds 5 to 10 kt Gusts up to 20 kt this afternoon Waves around 2 ft A chance of showers and tstms this afternoon
TONIGHT
W winds 5 to 10 kt, becoming NW after midnight Waves around 2 ft A chance of showers A chance of tstms in the evening
SUN
E winds 5 to 10 kt Waves 1 foot or less, then around 2 ft in the afternoon
SUN NIGHT
E winds 5 to 10 kt Waves around 2 ft in the evening, then 1 foot or less A chance of showers after midnight
MON
E winds 5 to 10 kt Gusts up to 20 kt in the afternoon Waves around 2 ft Scattered showers in the morning, then numerous showers in the afternoon
MON NIGHT
E winds around 10 kt Gusts up to 20 kt in the evening Waves around 2 ft Widespread showers with a chance of tstms
TUE
E winds 10 to 15 kt with gusts up to 20 kt Waves 2 to 3 ft Numerous showers
TUE NIGHT THROUGH WED NIGHT
SW winds 10 to 15 kt Waves around 2 ft
Reporting time 04:04 AM EDT Sat Jul 4 2026

Ocean Waters from the Merrimack River to Plymouth from 40 to
60 NM

TODAY
W winds around 10 kt with gusts up to 20 kt Seas around 2 ft Wave Detail: W 2 ft at 3 seconds and S 2 ft at 6 seconds A slight chance of showers this afternoon
TONIGHT
W winds around 10 kt, becoming N after midnight Seas around 2 ft Wave Detail: NW 2 ft at 3 seconds and S 1 foot at 5 seconds
SUN
NE winds 5 to 10 kt, becoming E in the afternoon Seas around 2 ft Wave Detail: N 1 foot at 3 seconds and S 1 foot at 5 seconds
SUN NIGHT
SE winds around 5 kt Seas around 2 ft Wave Detail: NW 1 foot at 3 seconds and E 1 foot at 3 seconds
MON
SE winds 5 to 10 kt Seas around 2 ft Wave Detail: SE 1 foot at 4 seconds and SE 1 foot at 10 seconds
MON NIGHT
SE winds 5 to 10 kt Gusts up to 20 kt after midnight Seas 2 to 3 ft Wave Detail: SE 3 ft at 5 seconds and SE 1 foot at 10 seconds Scattered showers in the evening, then numerous showers after midnight
TUE
E winds 10 to 15 kt with gusts up to 20 kt Seas 3 to 5 ft Numerous showers
TUE NIGHT AND WED
E winds 5 to 10 kt Seas 4 to 6 ft A chance of showers
WED NIGHT
S winds 5 to 10 kt Seas 3 to 4 ft
Reporting time 04:04 AM EDT Sat Jul 4 2026

Ocean Waters from Provincetown to Nantucket from 20 to 60 NM

TODAY
W winds 5 to 10 kt Gusts up to 20 kt this morning Seas 2 to 3 ft Wave Detail: SW 3 ft at 6 seconds and NW 1 foot at 3 seconds
TONIGHT
W winds around 10 kt, becoming NW after midnight Seas 2 to 3 ft Wave Detail: SW 2 ft at 5 seconds and N 1 foot at 3 seconds
SUN
NE winds 5 to 10 kt Seas 2 to 3 ft Wave Detail: SW 2 ft at 6 seconds and N 1 foot at 3 seconds Patchy fog in the morning with vsby 1 NM or less
SUN NIGHT
E winds 5 to 10 kt Seas around 2 ft Wave Detail: SW 2 ft at 6 seconds and N 1 foot at 3 seconds A chance of showers after midnight
MON
E winds 5 to 10 kt Seas around 2 ft Wave Detail: S 2 ft at 5 seconds and N 1 foot at 3 seconds Scattered showers
MON NIGHT
E winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 4 ft Wave Detail: S 4 ft at 5 seconds and SE 1 foot at 10 seconds Numerous showers
TUE
E winds 10 to 15 kt with gusts up to 20 kt Seas 3 to 5 ft Numerous showers
TUE NIGHT AND WED
E winds 10 to 15 kt with gusts up to 20 kt, becoming NE 5 to 10 kt Seas 4 to 5 ft A chance of showers
WED NIGHT
W winds 5 to 10 kt Seas 4 to 5 ft
Reporting time 04:04 AM EDT Sat Jul 4 2026

Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM

TODAY
W winds around 10 kt with gusts up to 20 kt Seas around 3 ft Wave Detail: W 3 ft at 5 seconds and SE 1 foot at 9 seconds
TONIGHT
W winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt after midnight Seas around 3 ft Wave Detail: W 3 ft at 5 seconds and N 1 foot at 2 seconds A chance of showers
SUN
NE winds 5 to 10 kt Seas 2 to 3 ft Wave Detail: W 3 ft at 5 seconds and N 1 foot at 3 seconds Patchy fog in the morning with vsby 1 NM or less
SUN NIGHT
E winds around 10 kt Seas around 2 ft Wave Detail: E 2 ft at 3 seconds and SW 2 ft at 6 seconds A chance of showers
MON
E winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: E 3 ft at 4 seconds and N 1 foot at 4 seconds Widespread showers
MON NIGHT
E winds 10 to 15 kt Gusts up to 20 kt in the evening Seas 3 to 4 ft Wave Detail: E 4 ft at 5 seconds and SE 4 ft at 10 seconds Widespread showers A chance of tstms after midnight
TUE
E winds around 15 kt with gusts up to 20 kt Seas around 4 ft Widespread showers with a chance of tstms
TUE NIGHT
NE winds 10 to 15 kt with gusts up to 20 kt Seas 4 to 5 ft A chance of showers
WED
NE winds 10 to 15 kt Seas 4 to 5 ft A chance of showers
WED NIGHT
N winds 5 to 10 kt Seas 3 to 4 ft
Reporting time 04:04 AM EDT Sat Jul 4 2026

Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM

TODAY
W winds 10 to 15 kt with gusts up to 20 kt Seas around 3 ft Wave Detail: W 2 ft at 4 seconds and SE 1 foot at 9 seconds A slight chance of showers this afternoon
TONIGHT
W winds 10 to 15 kt Gusts up to 20 kt in the evening Seas 3 to 4 ft Wave Detail: W 4 ft at 5 seconds and N 1 foot at 2 seconds A chance of showers
SUN
NE winds around 10 kt Seas 2 to 3 ft Wave Detail: SW 2 ft at 6 seconds and N 1 foot at 3 seconds
SUN NIGHT
E winds 10 to 15 kt Seas 2 to 3 ft Wave Detail: NE 2 ft at 4 seconds and SW 2 ft at 5 seconds A chance of showers
MON
E winds around 15 kt with gusts up to 20 kt Seas 2 to 4 ft Wave Detail: E 3 ft at 4 seconds and N 1 foot at 4 seconds Widespread showers
MON NIGHT
E winds around 15 kt with gusts up to 20 kt Seas 3 to 4 ft Wave Detail: SE 4 ft at 6 seconds and SE 1 foot at 10 seconds Widespread showers A chance of tstms after midnight
TUE
E winds 15 to 20 kt with gusts up to 25 kt Seas 3 to 4 ft Widespread showers with a chance of tstms
TUE NIGHT
NE winds 15 to 20 kt with gusts up to 25 kt Seas 4 to 5 ft A chance of showers
WED
NE winds 10 to 15 kt Seas 3 to 5 ft A chance of showers
WED NIGHT
S winds 5 to 10 kt Seas 3 to 4 ft
Reporting time 04:04 AM EDT Sat Jul 4 2026

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