Cape Ann's Marina, MA
08/04/2026 09:00 AM
69°F
TEMPERATURE
Winds 6 mph W
Sunny
Sunny, with a high near 78. Southwest wind around 8 mph.
Moonrise
11:32 PM
Moonset
01:00 PM
Sunrise
05:37 AM
Moon Phase
Waning gibbous
Sunset
08:00 PM

Hourly Forecast

Tue, 09:00 AM

Sunny
Winds: 6 mph W
69°

Tue, 10:00 AM

Sunny
Winds: 6 mph W
72°

Tue, 11:00 AM

Sunny
Winds: 6 mph W
74°

Tue, 12:00 PM

Sunny
Winds: 6 mph SW
76°

Tue, 01:00 PM

Sunny
Winds: 7 mph SW
77°

Tue, 02:00 PM

Sunny
Winds: 7 mph SW
78°

Tue, 03:00 PM

Sunny
Winds: 8 mph S
76°

Tue, 04:00 PM

Sunny
Winds: 8 mph S
76°

Tue, 05:00 PM

Sunny
Winds: 8 mph S
77°

Tue, 06:00 PM

Mostly Clear
Winds: 7 mph S
76°

Tue, 07:00 PM

Mostly Clear
Winds: 6 mph S
75°

Tue, 08:00 PM

Mostly Clear
Winds: 5 mph S
74°

Tue, 09:00 PM

Partly Cloudy
Winds: 5 mph SW
71°

Tue, 10:00 PM

Mostly Clear
Winds: 5 mph SW
70°

Tue, 11:00 PM

Partly Cloudy
Winds: 5 mph SW
69°

Wed, 12:00 AM

Mostly Clear
Winds: 5 mph SW
69°

Wed, 01:00 AM

Partly Cloudy
Winds: 5 mph SW
68°

Wed, 02:00 AM

Partly Cloudy
Winds: 5 mph SW
67°

Wed, 03:00 AM

Partly Cloudy
Winds: 3 mph SW
66°

Wed, 04:00 AM

Mostly Clear
Winds: 3 mph SW
66°

Wed, 05:00 AM

Partly Cloudy
Winds: 3 mph W
66°

Wed, 06:00 AM

Mostly Sunny
Winds: 2 mph W
64°

Wed, 07:00 AM

Partly Sunny
Winds: 2 mph W
66°

Wed, 08:00 AM

Partly Sunny
Winds: 2 mph W
67°

Today

Sunny
78°
Winds: 8 mph SW
Sunny, with a high near 78. Southwest wind around 8 mph.

Tonight

Partly Cloudy
64°
Winds: 3 to 7 mph SW
Partly cloudy, with a low around 64. Southwest wind 3 to 7 mph.

Wednesday

Mostly Sunny
77°
Winds: 2 to 8 mph SW
Mostly sunny, with a high near 77. Southwest wind 2 to 8 mph.

Wednesday Night

Partly Cloudy
67°
Winds: 6 mph SW
Partly cloudy, with a low around 67. Southwest wind around 6 mph.

Thursday

Mostly Sunny
81°
Winds: 5 to 8 mph S
Mostly sunny, with a high near 81. South wind 5 to 8 mph.

Thursday Night

Partly Cloudy
72°
Winds: 7 mph SW
Partly cloudy, with a low around 72. Southwest wind around 7 mph.

Friday

Mostly Sunny then Slight Chance Rain Showers
90°
Winds: 7 mph SW
A slight chance of rain showers after 4pm. Mostly sunny, with a high near 90. Southwest wind around 7 mph.

Friday Night

Chance Rain Showers then Partly Cloudy
71°
Winds: 6 mph SW
A chance of rain showers before midnight. Partly cloudy, with a low around 71. Southwest wind around 6 mph. Chance of precipitation is 30%.

Saturday

Mostly Sunny then Chance Rain Showers
87°
Winds: 6 mph S
A chance of rain showers after 3pm. Mostly sunny, with a high near 87. South wind around 6 mph. Chance of precipitation is 30%.

Saturday Night

Chance Rain Showers then Mostly Cloudy
71°
Winds: 5 mph SW
A chance of rain showers before midnight. Mostly cloudy, with a low around 71. Southwest wind around 5 mph. Chance of precipitation is 40%.

Sunday

Mostly Sunny
89°
Winds: 3 to 7 mph SW
Mostly sunny, with a high near 89. Southwest wind 3 to 7 mph.

Sunday Night

Mostly Clear
71°
Winds: 7 mph SW
Mostly clear, with a low around 71. Southwest wind around 7 mph.

Monday

Sunny
90°
Winds: 5 to 9 mph SW
Sunny, with a high near 90. Southwest wind 5 to 9 mph.

Monday Night

Partly Cloudy
69°
Winds: 7 mph W
Partly cloudy, with a low around 69. West 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. SCA conditions persist as low pressure brings heavy rain and gusty winds through this evening. Seas build to between 5 and 7 feet across the outer waters and winds increase to between 15 and 20 kt. Chance for isolated gale conditions across Buzzards Bay and Nantucket sound Monday afternoon. A few weak disturbances arrive next week but impacts to boaters should be minimal.

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

SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON
Reporting time 07:04 AM EDT Tue Aug 4 2026

Massachusetts Bay and Ipswich Bay

TODAY
W winds 5 to 10 kt, becoming S this afternoon Seas around 2 ft Wave Detail: SE 2 ft at 8 seconds and W 1 foot at 3 seconds
TONIGHT
SW winds 5 to 10 kt Seas around 2 ft Wave Detail: SE 2 ft at 6 seconds and S 1 foot at 2 seconds
WED
SW winds around 5 kt, becoming S in the afternoon Seas 1 foot or less, then around 2 ft in the afternoon Wave Detail: SW 1 foot at 2 seconds and SE 1 foot at 7 seconds, becoming S 1 foot at 2 seconds and SE 1 foot at 7 seconds
WED NIGHT
SW winds 5 to 10 kt Seas around 2 ft Wave Detail: S 1 foot at 3 seconds and SE 1 foot at 6 seconds
THU AND THU NIGHT
SW winds 5 to 10 kt Seas around 2 ft Wave Detail: SW 1 foot at 2 seconds and SE 1 foot at 8 seconds
FRI AND FRI NIGHT
SW winds 5 to 10 kt Seas 1 foot or less Wave Detail: SW 1 foot at 2 seconds and SE 1 foot at 6 seconds
SAT AND SAT NIGHT
SW winds 5 to 10 kt Seas 1 foot or less A chance of showers
Reporting time 07:04 AM EDT Tue Aug 4 2026

Cape Cod Bay

TODAY
W winds around 5 kt, becoming S this afternoon Seas around 2 ft Wave Detail: SE 2 ft at 7 seconds and W 1 foot at 3 seconds
TONIGHT
SW winds 5 to 10 kt Seas 1 foot or less Wave Detail: SW 1 foot at 2 seconds and S 1 foot at 7 seconds
WED
NW winds around 5 kt, becoming S in the afternoon Seas 1 foot or less, then around 2 ft in the afternoon Wave Detail: SW 1 foot at 2 seconds and S 1 foot at 7 seconds, becoming SW 1 foot at 2 seconds and SE 1 foot at 7 seconds
WED NIGHT
SW winds 5 to 10 kt Seas around 2 ft in the evening, then 1 foot or less Wave Detail: SW 1 foot at 2 seconds and S 1 foot at 7 seconds
THU AND THU NIGHT
SW winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: SW 1 foot at 2 seconds and S 1 foot at 7 seconds
FRI THROUGH SAT NIGHT
SW winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: SE 2 ft at 9 seconds and SW 1 foot at 2 seconds
Reporting time 07:04 AM EDT Tue Aug 4 2026

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

SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON
Reporting time 07:04 AM EDT Tue Aug 4 2026

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

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
Reporting time 07:04 AM EDT Tue Aug 4 2026

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

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
Reporting time 07:04 AM EDT Tue Aug 4 2026

Nantucket Sound

TODAY
W winds 5 to 10 kt, becoming SW this afternoon Seas 2 to 3 ft Wave Detail: W 1 foot at 4 seconds and SW 1 foot at 8 seconds
TONIGHT
S winds 5 to 10 kt, becoming SE after midnight Seas 2 to 3 ft Wave Detail: SW 1 foot at 4 seconds and E 1 foot at 8 seconds
WED
N winds around 5 kt, becoming SW in the afternoon Seas around 2 ft Wave Detail: SW 1 foot at 4 seconds and S 1 foot at 7 seconds
WED NIGHT
SW winds around 10 kt Seas around 2 ft Wave Detail: SW 1 foot at 3 seconds and S 1 foot at 7 seconds
THU AND THU NIGHT
SW winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: SW 2 ft at 3 seconds and SE 1 foot at 7 seconds
FRI THROUGH SAT NIGHT
SW winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: SW 2 ft at 3 seconds and S 2 ft at 6 seconds
Reporting time 07:04 AM EDT Tue Aug 4 2026

Vineyard Sound

TODAY
W winds around 5 kt, becoming SW this afternoon Seas 2 to 4 ft Wave Detail: SW 4 ft at 8 seconds and W 2 ft at 4 seconds
TONIGHT
S winds 5 to 10 kt, becoming E after midnight Seas 2 to 3 ft Wave Detail: SW 3 ft at 7 seconds and S 2 ft at 4 seconds
WED
NW winds around 5 kt, becoming SW in the afternoon Seas around 2 ft Wave Detail: SW 2 ft at 7 seconds and SW 1 foot at 4 seconds
WED NIGHT
SW winds around 10 kt Seas 2 to 3 ft Wave Detail: SW 2 ft at 7 seconds and SW 1 foot at 3 seconds
THU AND THU NIGHT
SW winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: S 3 ft at 5 seconds
FRI THROUGH SAT NIGHT
SW winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: SW 3 ft at 6 seconds and SE 1 foot at 12 seconds
Reporting time 07:04 AM EDT Tue Aug 4 2026

Buzzards Bay

TODAY
W winds around 5 kt, becoming SW this afternoon Seas 2 to 3 ft Wave Detail: SW 2 ft at 8 seconds and SE 2 ft at 8 seconds
TONIGHT
S winds 5 to 10 kt, becoming W after midnight Seas around 2 ft Wave Detail: S 2 ft at 8 seconds and SW 1 foot at 4 seconds
WED
NW winds around 5 kt, becoming SW in the afternoon Seas around 2 ft Wave Detail: E 2 ft at 8 seconds and SW 1 foot at 4 seconds
WED NIGHT
SW winds 5 to 10 kt Seas around 2 ft Wave Detail: SW 1 foot at 3 seconds and E 1 foot at 7 seconds
THU AND THU NIGHT
SW winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: S 2 ft at 5 seconds
FRI THROUGH SAT
SW winds 10 to 15 kt with gusts up to 25 kt Seas 2 to 4 ft Wave Detail: SW 2 ft at 5 seconds and S 1 foot at 12 seconds
SAT NIGHT
SW winds 10 to 15 kt with gusts up to 20 kt Seas around 2 ft
Reporting time 07:04 AM EDT Tue Aug 4 2026

Rhode Island Sound

SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON
Reporting time 07:04 AM EDT Tue Aug 4 2026

Block Island Sound

SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON
Reporting time 07:04 AM EDT Tue Aug 4 2026

Boston Harbor

TODAY
W winds 5 to 10 kt, becoming S this afternoon Waves 1 foot or less
TONIGHT
SW winds 5 to 10 kt Waves 1 foot or less
WED
SW winds around 5 kt, becoming S in the afternoon Waves 1 foot or less
WED NIGHT
SW winds 5 to 10 kt Waves 1 foot or less
THU
SW winds 5 to 10 kt Waves 1 foot or less A chance of showers in the afternoon
THU NIGHT
SW winds 5 to 10 kt Waves 1 foot or less
FRI AND FRI NIGHT
SW winds 5 to 10 kt Waves 1 foot or less
SAT AND SAT NIGHT
SW winds 5 to 10 kt Waves 1 foot or less A chance of showers
Reporting time 07:04 AM EDT Tue Aug 4 2026

Narragansett Bay

TODAY
W winds around 5 kt, becoming S this afternoon Waves 2 to 3 ft
TONIGHT
S winds 5 to 10 kt, becoming NW after midnight Waves around 2 ft
WED
NW winds around 5 kt, becoming S in the afternoon Waves around 2 ft
WED NIGHT
SW winds 5 to 10 kt Waves around 2 ft
THU AND THU NIGHT
SW winds 10 to 15 kt with gusts up to 20 kt Waves around 2 ft
FRI THROUGH SAT NIGHT
SW winds 10 to 15 kt with gusts up to 20 kt Waves 2 to 3 ft
Reporting time 07:04 AM EDT Tue Aug 4 2026

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

TODAY
SW winds 10 to 15 kt Gusts up to 20 kt this morning Seas 4 to 6 ft, subsiding to 3 to 4 ft this afternoon Wave Detail: S 5 ft at 8 seconds and W 2 ft at 4 seconds, becoming S 4 ft at 8 seconds and W 1 foot at 4 seconds
TONIGHT
SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight Seas 3 to 4 ft Wave Detail: S 4 ft at 8 seconds and W 1 foot at 3 seconds
WED
SW winds 5 to 10 kt Seas 2 to 3 ft Wave Detail: S 3 ft at 7 seconds and W 1 foot at 3 seconds
WED NIGHT
SW winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: S 3 ft at 7 seconds and SW 2 ft at 3 seconds
THU AND THU NIGHT
SW winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: S 3 ft at 7 seconds and W 1 foot at 3 seconds
FRI THROUGH SAT NIGHT
SW winds 5 to 10 kt with gusts up to 20 kt Seas 2 to 4 ft Wave Detail: S 3 ft at 6 seconds and W 1 foot at 3 seconds
Reporting time 07:04 AM EDT Tue Aug 4 2026

Ocean Waters from Provincetown to Nantucket from 20 to 60 NM

TODAY
W winds 5 to 10 kt, becoming SW this afternoon Seas 5 to 7 ft, subsiding to 4 to 5 ft this afternoon Wave Detail: S 6 ft at 8 seconds and NW 1 foot at 4 seconds, becoming S 5 ft at 8 seconds and NW 1 foot at 4 seconds
TONIGHT
S winds 5 to 10 kt Seas 3 to 5 ft Wave Detail: S 4 ft at 7 seconds and NW 1 foot at 4 seconds
WED
SW winds 5 to 10 kt Seas around 3 ft Wave Detail: S 3 ft at 7 seconds and E 1 foot at 10 seconds Patchy fog Vsby 1 to 3 NM
WED NIGHT
SW winds around 10 kt Seas 3 to 5 ft Wave Detail: S 4 ft at 7 seconds and W 1 foot at 3 seconds
THU AND THU NIGHT
SW winds 10 to 15 kt with gusts up to 20 kt Seas 3 to 5 ft Wave Detail: S 3 ft at 6 seconds and W 1 foot at 3 seconds
FRI THROUGH SAT NIGHT
SW winds 10 to 15 kt with gusts up to 20 kt Seas 3 to 5 ft Wave Detail: SW 3 ft at 5 seconds and E 1 foot at 9 seconds
Reporting time 07:04 AM EDT Tue Aug 4 2026

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

TODAY
N winds around 5 kt, becoming E around 5 kt this afternoon Seas 5 to 7 ft Wave Detail: S 7 ft at 8 seconds and NW 2 ft at 5 seconds
TONIGHT
SE winds around 5 kt Seas 3 to 5 ft Wave Detail: S 5 ft at 7 seconds and W 1 foot at 4 seconds A chance of showers after midnight
WED
SW winds 5 to 10 kt Seas 3 to 4 ft Wave Detail: S 4 ft at 7 seconds and E 1 foot at 10 seconds Patchy fog A chance of showers in the morning
WED NIGHT
SW winds 5 to 10 kt Seas 3 to 5 ft Wave Detail: S 3 ft at 7 seconds and W 1 foot at 3 seconds
THU AND THU NIGHT
SW winds 10 to 15 kt with gusts up to 20 kt Seas 4 to 5 ft Wave Detail: SW 4 ft at 6 seconds and W 1 foot at 3 seconds
FRI THROUGH SAT NIGHT
SW winds 10 to 15 kt with gusts up to 20 kt Seas 3 to 5 ft Wave Detail: W 4 ft at 6 seconds and E 1 foot at 9 seconds
Reporting time 07:04 AM EDT Tue Aug 4 2026

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

TODAY
N winds 5 to 10 kt, becoming E this afternoon Seas 4 to 6 ft Wave Detail: S 6 ft at 8 seconds and W 3 ft at 4 seconds
TONIGHT
SE winds around 5 kt Seas 3 to 4 ft Wave Detail: S 4 ft at 7 seconds and NE 2 ft at 4 seconds
WED
W winds around 5 kt, becoming SW in the afternoon Seas 3 to 5 ft Wave Detail: S 4 ft at 7 seconds and SW 2 ft at 4 seconds
WED NIGHT
SW winds around 10 kt Seas 4 to 6 ft Wave Detail: S 3 ft at 6 seconds and W 1 foot at 4 seconds
THU AND THU NIGHT
SW winds 10 to 15 kt with gusts up to 20 kt Seas 4 to 5 ft Wave Detail: SW 4 ft at 5 seconds and E 1 foot at 9 seconds
FRI THROUGH SAT NIGHT
SW winds 10 to 15 kt with gusts up to 20 kt Seas 3 to 5 ft Wave Detail: SW 4 ft at 6 seconds and NW 3 ft at 5 seconds
Reporting time 07:04 AM EDT Tue Aug 4 2026

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