Cape Ann's Marina, MA
09/13/2026 05:00 PM
67°F
TEMPERATURE
Winds 6 mph E
Patchy Fog
Patchy fog and a slight chance of rain showers. Mostly cloudy, with a high near 68. East wind around 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Moonrise
10:05 AM
Moonset
08:45 PM
Sunrise
06:20 AM
Moon Phase
Waxing crescent
Sunset
06:56 PM

Hourly Forecast

Sun, 05:00 PM

Patchy Fog
Winds: 6 mph E
67°

Sun, 06:00 PM

Patchy Fog
Winds: 5 mph E
67°

Sun, 07:00 PM

Patchy Fog
Winds: 2 mph SE
66°

Sun, 08:00 PM

Patchy Fog
Winds: 2 mph S
66°

Sun, 09:00 PM

Patchy Fog
Winds: 2 mph S
66°

Sun, 10:00 PM

Patchy Fog
Winds: 2 mph SW
66°

Sun, 11:00 PM

Patchy Fog
Winds: 2 mph SW
66°

Mon, 12:00 AM

Patchy Fog
Winds: 2 mph SW
66°

Mon, 01:00 AM

Patchy Fog
Winds: 3 mph SW
67°

Mon, 02:00 AM

Patchy Fog
Winds: 5 mph SW
67°

Mon, 03:00 AM

Patchy Fog
Winds: 5 mph SW
67°

Mon, 04:00 AM

Patchy Fog
Winds: 6 mph W
66°

Mon, 05:00 AM

Patchy Fog
Winds: 7 mph W
66°

Mon, 06:00 AM

Slight Chance Showers And Thunderstorms
Winds: 7 mph NW
66°

Mon, 07:00 AM

Slight Chance Showers And Thunderstorms
Winds: 8 mph NW
65°

Mon, 08:00 AM

Slight Chance Rain Showers
Winds: 8 mph NW
65°

Mon, 09:00 AM

Partly Sunny
Winds: 10 mph NW
65°

Mon, 10:00 AM

Mostly Sunny
Winds: 12 mph NW
66°

Mon, 11:00 AM

Sunny
Winds: 13 mph NW
67°

Mon, 12:00 PM

Sunny
Winds: 13 mph NW
68°

Mon, 01:00 PM

Sunny
Winds: 13 mph NW
68°

Mon, 02:00 PM

Sunny
Winds: 13 mph NW
69°

Mon, 03:00 PM

Sunny
Winds: 13 mph NW
69°

Mon, 04:00 PM

Sunny
Winds: 13 mph N
68°

This Afternoon

Patchy Fog
68°
Winds: 6 mph E
Patchy fog and a slight chance of rain showers. Mostly cloudy, with a high near 68. East wind around 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Tonight

Patchy Fog
64°
Winds: 2 to 7 mph SW
Patchy fog before 5am, then patchy fog and a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Southwest wind 2 to 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Monday

Slight Chance Showers And Thunderstorms then Mostly Sunny
69°
Winds: 7 to 13 mph NW
A slight chance of showers and thunderstorms before 9am. Mostly sunny, with a high near 69. Northwest wind 7 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Monday Night

Clear
51°
Winds: 8 to 12 mph N
Clear, with a low around 51. North wind 8 to 12 mph, with gusts as high as 23 mph.

Tuesday

Sunny
65°
Winds: 5 to 8 mph E
Sunny, with a high near 65. East wind 5 to 8 mph.

Tuesday Night

Mostly Clear
58°
Winds: 5 mph S
Mostly clear, with a low around 58. South wind around 5 mph.

Wednesday

Sunny
71°
Winds: 5 to 8 mph S
Sunny, with a high near 71. South wind 5 to 8 mph.

Wednesday Night

Partly Cloudy
60°
Winds: 2 to 6 mph SW
Partly cloudy, with a low around 60. Southwest wind 2 to 6 mph.

Thursday

Mostly Sunny then Slight Chance Rain Showers
75°
Winds: 2 to 7 mph S
A slight chance of rain showers after 4pm. Mostly sunny, with a high near 75. South wind 2 to 7 mph.

Thursday Night

Chance Rain Showers
60°
Winds: 7 mph SW
A chance of rain showers. Mostly cloudy, with a low around 60. Southwest wind around 7 mph. Chance of precipitation is 40%.

Friday

Chance Rain Showers then Mostly Sunny
76°
Winds: 7 to 10 mph N
A chance of rain showers before 10am. Mostly sunny, with a high near 76. North wind 7 to 10 mph. Chance of precipitation is 30%.

Friday Night

Partly Cloudy
56°
Winds: 7 mph N
Partly cloudy, with a low around 56. North wind around 7 mph.

Saturday

Mostly Sunny then Slight Chance Rain Showers
71°
Winds: 7 mph E
A slight chance of rain showers after 4pm. Mostly sunny, with a high near 71. East wind around 7 mph.

Saturday Night

Chance Rain Showers
56°
Winds: 8 mph S
A chance of rain showers. Mostly cloudy, with a low around 56. South wind around 8 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 quickly moves through the waters late tonight with high pres building across the waters Mon into Tue. This high will then shift east of the waters Wed into Thu as our next cold front approaches from the west.

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 FROM MONDAY MORNING THROUGH LATE MONDAY NIGHT
Reporting time 04:05 PM EDT Sun Sep 13 2026

Massachusetts Bay and Ipswich Bay

TONIGHT
S winds around 5 kt, becoming SW after midnight Seas around 2 ft Wave Detail: E 2 ft at 4 seconds and NW 1 foot at 3 seconds Patchy fog Vsby 1 NM or less
MON
NW winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: NW 2 ft at 3 seconds and SE 1 foot at 4 seconds
MON NIGHT
N winds 10 to 15 kt with gusts up to 25 kt Seas 2 to 3 ft Wave Detail: S 3 ft at 7 seconds and N 2 ft at 4 seconds
TUE
NE winds 10 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 kt in the afternoon Seas 2 to 3 ft Wave Detail: N 2 ft at 4 seconds and S 2 ft at 6 seconds
TUE NIGHT THROUGH WED NIGHT
SW winds 5 to 10 kt Seas 2 to 3 ft Wave Detail: NE 2 ft at 5 seconds and E 2 ft at 8 seconds
THU
S winds 5 to 10 kt Seas 2 to 3 ft Wave Detail: E 2 ft at 8 seconds and SW 1 foot at 3 seconds
THU NIGHT AND FRI
SW winds around 10 kt, becoming N Seas around 2 ft A chance of showers
FRI NIGHT
N winds 5 to 10 kt Seas around 2 ft
Reporting time 04:05 PM EDT Sun Sep 13 2026

Cape Cod Bay

SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH LATE MONDAY NIGHT
Reporting time 04:05 PM EDT Sun Sep 13 2026

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

SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH LATE MONDAY NIGHT
Reporting time 04:05 PM EDT Sun Sep 13 2026

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

SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH LATE MONDAY NIGHT
Reporting time 04:05 PM EDT Sun Sep 13 2026

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

SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH LATE MONDAY NIGHT
Reporting time 04:05 PM EDT Sun Sep 13 2026

Nantucket Sound

SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH LATE MONDAY NIGHT
Reporting time 04:05 PM EDT Sun Sep 13 2026

Vineyard Sound

SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH LATE MONDAY NIGHT
Reporting time 04:05 PM EDT Sun Sep 13 2026

Buzzards Bay

SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH LATE MONDAY NIGHT
Reporting time 04:05 PM EDT Sun Sep 13 2026

Rhode Island Sound

SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH LATE MONDAY NIGHT
Reporting time 04:05 PM EDT Sun Sep 13 2026

Block Island Sound

SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH LATE MONDAY NIGHT
Reporting time 04:05 PM EDT Sun Sep 13 2026

Boston Harbor

TONIGHT
SE winds around 5 kt, becoming SW after midnight Waves 1 foot or less Patchy fog Vsby 1 to 3 NM
MON
NW winds 10 to 15 kt with gusts up to 20 kt Waves around 2 ft
MON NIGHT
N winds 10 to 15 kt Gusts up to 20 kt in the evening Waves around 2 ft in the evening, then 1 foot or less
TUE
NE winds 5 to 10 kt, becoming E in the afternoon Waves 1 foot or less
TUE NIGHT THROUGH WED NIGHT
SW winds 5 to 10 kt Waves 1 foot or less
THU
S winds 5 to 10 kt Waves 1 foot or less
THU NIGHT AND FRI
SW winds 5 to 10 kt, becoming N Waves 1 foot or less, then around 2 ft A chance of showers
FRI NIGHT
N winds 5 to 10 kt Waves 1 foot or less
Reporting time 04:05 PM EDT Sun Sep 13 2026

Narragansett Bay

TONIGHT
W winds 5 to 10 kt Waves around 2 ft Patchy fog Vsby 1 to 3 NM
MON
N winds 10 to 15 kt with gusts up to 20 kt Waves around 2 ft
MON NIGHT
N winds around 10 kt with gusts up to 20 kt Waves around 2 ft
TUE
NE winds 5 to 10 kt, becoming E in the afternoon Waves around 2 ft in the morning, then 1 foot or less
TUE NIGHT THROUGH WED NIGHT
SW winds 5 to 10 kt Waves around 2 ft
THU
SW winds 5 to 10 kt Waves around 2 ft
THU NIGHT
SW winds 5 to 10 kt Waves 1 foot or less A chance of showers
FRI AND FRI NIGHT
N winds 10 to 15 kt, diminishing to 5 to 10 kt Waves around 2 ft
Reporting time 04:05 PM EDT Sun Sep 13 2026

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

TONIGHT
NE winds 10 to 15 kt, becoming W 5 to 10 kt after midnight Seas 2 to 3 ft Wave Detail: E 2 ft at 5 seconds and SE 1 foot at 10 seconds Patchy fog A chance of showers with a slight chance of tstms this evening Vsby 1 NM or less
MON
NW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon Gusts up to 25 kt Seas 3 to 4 ft Wave Detail: W 3 ft at 4 seconds and SE 3 ft at 8 seconds Patchy fog in the morning with vsby 1 NM or less
MON NIGHT
N winds 15 to 20 kt with gusts up to 30 kt Seas 4 to 5 ft Wave Detail: N 4 ft at 5 seconds and SE 2 ft at 7 seconds
TUE
NE winds 10 to 15 kt with gusts up to 25 kt, diminishing to 5 to 10 kt in the afternoon Seas 2 to 4 ft Wave Detail: N 3 ft at 5 seconds and S 2 ft at 7 seconds
TUE NIGHT THROUGH WED NIGHT
SW winds 5 to 10 kt Seas 2 to 3 ft Wave Detail: N 2 ft at 5 seconds and E 2 ft at 8 seconds
THU
S winds 5 to 10 kt Seas 2 to 3 ft Wave Detail: E 2 ft at 7 seconds and SW 1 foot at 3 seconds
THU NIGHT AND FRI
SW winds 10 to 15 kt, becoming N Gusts up to 20 kt Seas 2 to 3 ft A chance of showers
FRI NIGHT
N winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft
Reporting time 04:05 PM EDT Sun Sep 13 2026

Ocean Waters from Provincetown to Nantucket from 20 to 60 NM

TONIGHT
SW winds 10 to 15 kt Gusts up to 20 kt this evening Seas 3 to 5 ft Wave Detail: SE 3 ft at 5 seconds and SE 2 ft at 9 seconds Patchy fog A chance of showers and tstms this evening Vsby 1 NM or less
MON
NW winds 10 to 15 kt, becoming N 15 to 20 kt in the afternoon Gusts up to 25 kt Seas around 4 ft Wave Detail: N 3 ft at 5 seconds and S 3 ft at 6 seconds Patchy fog in the morning with vsby 1 NM or less
MON NIGHT
N winds 15 to 20 kt with gusts up to 30 kt Seas 4 to 5 ft Wave Detail: N 4 ft at 5 seconds and S 2 ft at 6 seconds
TUE
NE winds 10 to 15 kt Gusts up to 25 kt in the morning Seas 3 to 5 ft Wave Detail: N 4 ft at 6 seconds and S 1 foot at 7 seconds
TUE NIGHT
E winds 5 to 10 kt, diminishing to around 5 kt after midnight Seas 3 to 4 ft Wave Detail: N 3 ft at 6 seconds and S 1 foot at 7 seconds
WED AND WED NIGHT
SW winds around 5 kt Seas 3 to 4 ft Wave Detail: NE 3 ft at 5 seconds and E 3 ft at 8 seconds
THU
S winds 5 to 10 kt Seas 2 to 3 ft
THU NIGHT AND FRI
SW winds 10 to 15 kt, becoming N Gusts up to 20 kt Seas 2 to 3 ft A chance of showers
FRI NIGHT
NE winds 10 to 15 kt with gusts up to 20 kt Seas 3 to 4 ft
Reporting time 04:05 PM EDT Sun Sep 13 2026

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

TONIGHT
W winds 10 to 15 kt Gusts up to 20 kt this evening Seas 3 to 5 ft Wave Detail: S 4 ft at 6 seconds and SE 2 ft at 9 seconds Patchy fog A chance of showers with a slight chance of tstms this evening Vsby 1 NM or less
MON
NW winds 10 to 15 kt, becoming N in the afternoon Gusts up to 25 kt Seas 3 to 4 ft Wave Detail: N 3 ft at 5 seconds and S 3 ft at 6 seconds Patchy fog in the morning with vsby 1 NM or less
MON NIGHT
N winds 10 to 15 kt, becoming NE 15 to 20 kt after midnight Gusts up to 25 kt Seas around 4 ft Wave Detail: N 3 ft at 5 seconds and SW 2 ft at 6 seconds
TUE
NE winds 10 to 15 kt Gusts up to 20 kt in the morning Seas 3 to 4 ft Wave Detail: N 4 ft at 6 seconds and S 1 foot at 6 seconds
TUE NIGHT
NE winds 5 to 10 kt Seas 3 to 4 ft Wave Detail: N 4 ft at 5 seconds and SE 1 foot at 7 seconds
WED AND WED NIGHT
S winds around 5 kt Seas 3 to 4 ft Wave Detail: NE 3 ft at 6 seconds and SE 3 ft at 9 seconds
THU THROUGH FRI NIGHT
NE winds 10 to 15 kt Seas 2 to 4 ft
Reporting time 04:05 PM EDT Sun Sep 13 2026

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

TONIGHT
W winds 10 to 15 kt Gusts up to 20 kt this evening Seas 3 to 5 ft Wave Detail: SE 4 ft at 6 seconds and SE 2 ft at 9 seconds Patchy fog A slight chance of showers this evening Vsby 1 NM or less, increasing to 1 to 3 NM after midnight
MON
NW winds 15 to 20 kt with gusts up to 25 kt Seas 3 to 4 ft Wave Detail: N 3 ft at 5 seconds and S 3 ft at 6 seconds
MON NIGHT
N winds 15 to 20 kt with gusts up to 25 kt Seas 3 to 4 ft Wave Detail: N 4 ft at 5 seconds and SE 2 ft at 9 seconds
TUE
NE winds 10 to 15 kt Gusts up to 25 kt in the morning Seas 3 to 4 ft Wave Detail: N 3 ft at 5 seconds and S 1 foot at 6 seconds
TUE NIGHT
E winds 5 to 10 kt Seas 2 to 3 ft Wave Detail: NE 3 ft at 5 seconds and SE 1 foot at 5 seconds
WED AND WED NIGHT
SW winds around 5 kt Seas 2 to 3 ft Wave Detail: E 3 ft at 9 seconds and E 2 ft at 6 seconds
THU THROUGH FRI NIGHT
NE winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 4 ft
Reporting time 04:05 PM EDT Sun Sep 13 2026

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