Cape Ann's Marina, MA
03/21/2026 07:00 PM
42°F
TEMPERATURE
Winds 5 mph N
Mostly Cloudy
A slight chance of rain after 5am. Mostly cloudy, with a low around 35. North wind 3 to 8 mph. Chance of precipitation is 20%.
Moonrise
08:40 AM
Moonset
11:32 PM
Sunrise
06:43 AM
Moon Phase
Waxing crescent
Sunset
06:56 PM

Hourly Forecast

Sat, 07:00 PM

Mostly Cloudy
Winds: 5 mph N
42°

Sat, 08:00 PM

Mostly Cloudy
Winds: 8 mph NW
40°

Sat, 09:00 PM

Mostly Cloudy
Winds: 6 mph N
40°

Sat, 10:00 PM

Mostly Cloudy
Winds: 5 mph N
40°

Sat, 11:00 PM

Mostly Cloudy
Winds: 3 mph N
39°

Sun, 12:00 AM

Mostly Cloudy
Winds: 3 mph N
39°

Sun, 01:00 AM

Mostly Cloudy
Winds: 3 mph N
38°

Sun, 02:00 AM

Mostly Cloudy
Winds: 3 mph N
37°

Sun, 03:00 AM

Mostly Cloudy
Winds: 5 mph NE
37°

Sun, 04:00 AM

Mostly Cloudy
Winds: 6 mph E
36°

Sun, 05:00 AM

Slight Chance Light Rain
Winds: 7 mph SE
36°

Sun, 06:00 AM

Slight Chance Light Rain
Winds: 9 mph SE
36°

Sun, 07:00 AM

Chance Light Rain
Winds: 13 mph SE
36°

Sun, 08:00 AM

Chance Light Rain
Winds: 15 mph SE
36°

Sun, 09:00 AM

Chance Light Rain
Winds: 16 mph SE
37°

Sun, 10:00 AM

Light Rain Likely
Winds: 17 mph SE
39°

Sun, 11:00 AM

Light Rain
Winds: 18 mph SE
40°

Sun, 12:00 PM

Light Rain
Winds: 16 mph SE
41°

Sun, 01:00 PM

Light Rain
Winds: 14 mph SE
42°

Sun, 02:00 PM

Light Rain
Winds: 12 mph SE
42°

Sun, 03:00 PM

Light Rain
Winds: 8 mph S
43°

Sun, 04:00 PM

Light Rain
Winds: 5 mph S
43°

Sun, 05:00 PM

Light Rain
Winds: 1 mph S
43°

Sun, 06:00 PM

Light Rain Likely
Winds: 3 mph SW
43°

Tonight

Mostly Cloudy then Slight Chance Light Rain
35°
Winds: 3 to 8 mph N
A slight chance of rain after 5am. Mostly cloudy, with a low around 35. North wind 3 to 8 mph. Chance of precipitation is 20%.

Sunday

Light Rain
44°
Winds: 1 to 18 mph S
Rain. Cloudy, with a high near 44. South wind 1 to 18 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

Light Rain Likely
34°
Winds: 3 to 10 mph N
Rain likely. Cloudy, with a low around 34. North wind 3 to 10 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Monday

Chance Snow Showers
38°
Winds: 9 to 13 mph N
A chance of rain before 8am, then a chance of snow showers between 8am and 5pm. Cloudy, with a high near 38. North wind 9 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.

Monday Night

Chance Snow Showers
29°
Winds: 8 mph N
A chance of snow showers before 4am. Mostly cloudy, with a low around 29. North wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible.

Tuesday

Mostly Sunny
40°
Winds: 7 mph NW
Mostly sunny, with a high near 40. Northwest wind around 7 mph.

Tuesday Night

Partly Cloudy
31°
Winds: 8 mph SW
Partly cloudy, with a low around 31. Southwest wind around 8 mph.

Wednesday

Partly Sunny
47°
Winds: 10 mph SW
Partly sunny, with a high near 47. Southwest wind around 10 mph, with gusts as high as 21 mph.

Wednesday Night

Mostly Cloudy then Slight Chance Light Rain
30°
Winds: 8 mph W
A slight chance of rain after 1am. Mostly cloudy, with a low around 30. West wind around 8 mph.

Thursday

Chance Light Rain then Chance Rain And Snow
48°
Winds: 9 mph S
A chance of rain before 5pm, then a chance of rain and snow. Partly sunny, with a high near 48. South wind around 9 mph. Chance of precipitation is 30%.

Thursday Night

Rain And Snow Likely
33°
Winds: 9 mph SW
Rain and snow likely. Mostly cloudy, with a low around 33. Southwest wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

Friday

Slight Chance Rain And Snow then Partly Sunny
44°
Winds: 10 mph NW
Rain likely before 8am, then a slight chance of rain and snow between 8am and 11am. Partly sunny, with a high near 44. Northwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

Friday Night

Mostly Clear
23°
Winds: 9 mph NW
Mostly clear, with a low around 23. Northwest wind around 9 mph.

Saturday

Sunny
39°
Winds: 8 mph W
Sunny, with a high near 39. West 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 series of weak low pres systems will move through New England over the weekend, followed by high pres early next week. Unsettled conditions possible mid to late week.

Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM

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

SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
Reporting time 07:06 PM EDT Sat Mar 21 2026

Massachusetts Bay and Ipswich Bay

TONIGHT
N winds 5 to 10 kt, becoming E after midnight Seas 2 to 3 ft Wave Detail: E 3 ft at 8 seconds and N 1 foot at 4 seconds
SUN
SE winds 10 to 15 kt with gusts up to 25 kt Seas 2 to 3 ft Wave Detail: E 3 ft at 4 seconds and E 2 ft at 8 seconds Rain
SUN NIGHT
N winds 10 to 15 kt, increasing to 15 to 20 kt after midnight Gusts up to 30 kt Seas 2 to 4 ft Wave Detail: NE 3 ft at 4 seconds and E 3 ft at 8 seconds Rain
MON
N winds 15 to 20 kt with gusts up to 30 kt Seas 3 to 5 ft Wave Detail: N 5 ft at 5 seconds and E 5 ft at 9 seconds A chance of snow showers A chance of rain in the morning
MON NIGHT
N winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight Gusts up to 25 kt Seas 4 to 5 ft Wave Detail: NE 5 ft at 7 seconds and N 1 foot at 4 seconds A chance of snow showers
TUE
N winds 10 to 15 kt with gusts up to 20 kt, becoming S 5 to 10 kt in the afternoon Seas 4 to 6 ft Wave Detail: E 6 ft at 9 seconds and N 1 foot at 4 seconds
TUE NIGHT
SW winds 15 to 20 kt Seas 3 to 4 ft
WED AND WED NIGHT
SW winds 15 to 20 kt with gusts up to 25 kt Seas 2 to 4 ft
THU
S winds 15 to 20 kt Seas 2 to 4 ft A chance of rain
THU NIGHT
SW winds 20 to 25 kt Seas around 3 ft Rain and snow likely
Reporting time 07:06 PM EDT Sat Mar 21 2026

Cape Cod Bay

TONIGHT
NE winds around 5 kt, becoming E after midnight Seas around 2 ft Wave Detail: SE 2 ft at 8 seconds and N 1 foot at 4 seconds
SUN
S winds 10 to 15 kt with gusts up to 25 kt Seas 2 to 3 ft Wave Detail: S 2 ft at 3 seconds and SE 2 ft at 8 seconds Rain
SUN NIGHT
W winds around 10 kt with gusts up to 20 kt, becoming N with gusts up to 30 kt after midnight Seas 2 to 3 ft Wave Detail: N 2 ft at 4 seconds and S 2 ft at 7 seconds Rain
MON
N winds 15 to 20 kt with gusts up to 30 kt Seas 3 to 4 ft Wave Detail: N 4 ft at 5 seconds and E 4 ft at 9 seconds A chance of rain in the morning, then a chance of snow showers in the afternoon
MON NIGHT
N winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight Gusts up to 25 kt Seas 3 to 5 ft Wave Detail: NE 5 ft at 9 seconds and N 4 ft at 5 seconds A chance of snow showers
TUE
N winds 10 to 15 kt with gusts up to 20 kt, becoming NE around 5 kt in the afternoon Seas 3 to 5 ft Wave Detail: NE 4 ft at 9 seconds and N 3 ft at 5 seconds
TUE NIGHT
SW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight Seas 2 to 3 ft
WED AND WED NIGHT
SW winds 15 to 20 kt with gusts up to 25 kt Seas 2 to 4 ft
THU
S winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft A chance of rain
THU NIGHT
SW winds 20 to 25 kt with gusts up to 30 kt Seas 3 to 4 ft Rain and snow likely
Reporting time 07:06 PM EDT Sat Mar 21 2026

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

SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
Reporting time 07:06 PM EDT Sat Mar 21 2026

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

SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
Reporting time 07:06 PM EDT Sat Mar 21 2026

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

SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
Reporting time 07:06 PM EDT Sat Mar 21 2026

Nantucket Sound

TONIGHT
NE winds 5 to 10 kt with gusts up to 20 kt, becoming SE after midnight Seas 2 to 3 ft Wave Detail: N 1 foot at 3 seconds and SW 1 foot at 7 seconds
SUN
S winds 15 to 20 kt with gusts up to 25 kt Seas 2 to 3 ft Wave Detail: S 3 ft at 4 seconds and NE 1 foot at 5 seconds A chance of rain in the morning, then rain in the afternoon
SUN NIGHT
W winds 10 to 15 kt, becoming N after midnight Gusts up to 25 kt Seas 2 to 3 ft Wave Detail: NW 2 ft at 3 seconds and SE 2 ft at 6 seconds Rain
MON
N winds 15 to 20 kt with gusts up to 25 kt Seas 3 to 4 ft Wave Detail: N 3 ft at 4 seconds and S 2 ft at 7 seconds A chance of rain in the morning, then a chance of showers in the afternoon
MON NIGHT
N winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight Gusts up to 25 kt Seas 2 to 4 ft Wave Detail: N 3 ft at 4 seconds and S 2 ft at 7 seconds A chance of snow showers in the evening
TUE AND TUE NIGHT
SW winds 15 to 20 kt Seas 2 to 4 ft Wave Detail: SW 3 ft at 4 seconds and E 3 ft at 9 seconds
WED AND WED NIGHT
SW winds 15 to 20 kt with gusts up to 25 kt Seas 2 to 3 ft
THU
S winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 4 ft A chance of rain
THU NIGHT
SW winds 25 to 30 kt Seas 3 to 4 ft Rain likely
Reporting time 07:06 PM EDT Sat Mar 21 2026

Vineyard Sound

TONIGHT
E winds around 5 kt Seas 2 to 3 ft Wave Detail: SW 2 ft at 7 seconds and SE 2 ft at 8 seconds
SUN
S winds 10 to 15 kt with gusts up to 25 kt Seas 2 to 3 ft Wave Detail: S 3 ft at 5 seconds and SE 1 foot at 8 seconds A chance of rain in the morning, then rain in the afternoon
SUN NIGHT
W winds around 10 kt, becoming N with gusts up to 25 kt after midnight Seas 2 to 3 ft Wave Detail: S 2 ft at 7 seconds Rain
MON
N winds 15 to 20 kt with gusts up to 25 kt Seas 3 to 4 ft Wave Detail: SE 3 ft at 8 seconds and N 2 ft at 4 seconds A chance of rain in the morning, then a chance of showers in the afternoon
MON NIGHT
N winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: N 2 ft at 4 seconds and S 2 ft at 7 seconds A chance of snow showers in the evening
TUE AND TUE NIGHT
SW winds 15 to 20 kt Seas 2 to 3 ft Wave Detail: SW 3 ft at 4 seconds and E 2 ft at 9 seconds
WED AND WED NIGHT
SW winds 15 to 20 kt with gusts up to 25 kt Seas 2 to 4 ft
THU
S winds 15 to 20 kt with gusts up to 25 kt Seas 2 to 4 ft A chance of rain
THU NIGHT
SW winds 25 to 30 kt Seas 3 to 5 ft Rain likely
Reporting time 07:06 PM EDT Sat Mar 21 2026

Buzzards Bay

TONIGHT
E winds around 5 kt Seas around 2 ft Wave Detail: SW 2 ft at 7 seconds and SE 2 ft at 8 seconds
SUN
S winds 10 to 15 kt with gusts up to 25 kt Seas 2 to 3 ft Wave Detail: SE 2 ft at 7 seconds and NE 1 foot at 5 seconds A chance of rain in the morning, then rain in the afternoon
SUN NIGHT
W winds around 10 kt, becoming N with gusts up to 25 kt after midnight Seas 2 to 3 ft Wave Detail: S 2 ft at 7 seconds and W 1 foot at 3 seconds Rain
MON
N winds 15 to 20 kt with gusts up to 25 kt Seas 3 to 4 ft Wave Detail: N 2 ft at 4 seconds and SW 2 ft at 7 seconds A chance of rain in the morning
MON NIGHT
N winds 10 to 15 kt Gusts up to 20 kt in the evening Seas 2 to 3 ft Wave Detail: N 2 ft at 4 seconds and SE 2 ft at 9 seconds A chance of snow showers in the evening
TUE AND TUE NIGHT
SW winds 15 to 20 kt Seas 2 to 3 ft Wave Detail: SW 3 ft at 4 seconds and E 2 ft at 9 seconds
WED AND WED NIGHT
SW winds 15 to 20 kt with gusts up to 25 kt Seas 2 to 4 ft
THU
S winds 15 to 20 kt with gusts up to 25 kt Seas 2 to 4 ft A chance of rain
THU NIGHT
SW winds 25 to 30 kt Seas 3 to 5 ft Rain likely
Reporting time 07:06 PM EDT Sat Mar 21 2026

Rhode Island Sound

TONIGHT
SE winds 5 to 10 kt Seas 2 to 4 ft Wave Detail: S 3 ft at 7 seconds and SE 3 ft at 8 seconds
SUN
SE winds 10 to 15 kt, becoming S 15 to 20 kt in the afternoon Gusts up to 25 kt Seas 2 to 4 ft Wave Detail: S 4 ft at 7 seconds A chance of rain in the morning, then rain likely in the afternoon
SUN NIGHT
W winds around 10 kt, becoming N with gusts up to 30 kt after midnight Seas 3 to 4 ft Wave Detail: S 4 ft at 7 seconds and SE 3 ft at 8 seconds Rain
MON
N winds 15 to 20 kt with gusts up to 30 kt Seas 3 to 5 ft Wave Detail: S 5 ft at 8 seconds and NE 3 ft at 3 seconds A chance of rain in the morning, then a chance of showers in the afternoon
MON NIGHT
N winds 10 to 15 kt with gusts up to 25 kt Seas 2 to 4 ft Wave Detail: S 4 ft at 8 seconds and NE 3 ft at 4 seconds
TUE AND TUE NIGHT
SW winds 15 to 20 kt Seas 2 to 3 ft Wave Detail: SW 3 ft at 7 seconds and SE 3 ft at 9 seconds
WED AND WED NIGHT
SW winds 15 to 20 kt with gusts up to 25 kt Seas 2 to 3 ft
THU
S winds 15 to 20 kt with gusts up to 25 kt Seas 2 to 4 ft A chance of rain
THU NIGHT
SW winds 25 to 30 kt with gusts up to 35 kt Seas 4 to 6 ft Rain likely
Reporting time 07:06 PM EDT Sat Mar 21 2026

Block Island Sound

TONIGHT
E winds 5 to 10 kt Seas 2 to 4 ft Wave Detail: S 3 ft at 7 seconds and SE 3 ft at 8 seconds
SUN
S winds 10 to 15 kt with gusts up to 25 kt Seas 2 to 3 ft Wave Detail: SE 3 ft at 7 seconds A chance of rain in the morning, then rain in the afternoon
SUN NIGHT
W winds around 10 kt, becoming N with gusts up to 30 kt after midnight Seas 2 to 4 ft Wave Detail: S 4 ft at 7 seconds and SE 3 ft at 8 seconds Rain
MON
N winds 10 to 15 kt with gusts up to 30 kt Seas 3 to 5 ft Wave Detail: S 4 ft at 8 seconds and N 2 ft at 3 seconds A chance of rain in the morning
MON NIGHT
N winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 4 ft Wave Detail: SE 3 ft at 8 seconds and N 2 ft at 4 seconds
TUE AND TUE NIGHT
SW winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: SE 3 ft at 9 seconds and S 2 ft at 8 seconds
WED AND WED NIGHT
SW winds 15 to 20 kt, diminishing to 10 to 15 kt Gusts up to 25 kt Seas 2 to 3 ft
THU
S winds 10 to 15 kt with gusts up to 25 kt Seas 2 to 4 ft A chance of rain
THU NIGHT
SW winds 20 to 25 kt with gusts up to 30 kt Seas 3 to 5 ft Rain likely
Reporting time 07:06 PM EDT Sat Mar 21 2026

Boston Harbor

TONIGHT
N winds 5 to 10 kt, becoming E after midnight Waves around 2 ft this evening, then 1 foot or less
SUN
SE winds 5 to 10 kt Gusts up to 20 kt in the morning Waves around 2 ft Rain
SUN NIGHT
NE winds 5 to 10 kt, becoming N 15 to 20 kt after midnight Gusts up to 25 kt Waves around 2 ft Rain
MON
N winds 15 to 20 kt with gusts up to 25 kt Waves around 2 ft A chance of snow showers A chance of rain in the morning
MON NIGHT
N winds 10 to 15 kt with gusts up to 20 kt Waves around 2 ft A chance of snow showers
TUE AND TUE NIGHT
SW winds 15 to 20 kt Waves around 2 ft
WED AND WED NIGHT
SW winds 15 to 20 kt with gusts up to 25 kt Waves around 2 ft
THU
S winds 10 to 15 kt with gusts up to 20 kt Waves around 2 ft A chance of rain
THU NIGHT
SW winds 20 to 25 kt Waves around 2 ft Rain and snow likely
Reporting time 07:06 PM EDT Sat Mar 21 2026

Narragansett Bay

TONIGHT
NE winds around 5 kt, becoming SE after midnight Waves 2 to 3 ft
SUN
S winds 10 to 15 kt with gusts up to 25 kt Waves 2 to 3 ft A chance of rain in the morning, then rain in the afternoon
SUN NIGHT
W winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 25 kt after midnight Waves 2 to 3 ft Rain
MON
N winds 10 to 15 kt with gusts up to 25 kt Waves around 3 ft A chance of rain in the morning
MON NIGHT
N winds 10 to 15 kt Gusts up to 20 kt in the evening Waves 2 to 3 ft A chance of snow showers in the evening
TUE AND TUE NIGHT
SW winds 10 to 15 kt with gusts up to 20 kt Waves around 2 ft
WED AND WED NIGHT
SW winds 15 to 20 kt, diminishing to 10 to 15 kt Gusts up to 25 kt Waves 2 to 3 ft
THU
S winds 10 to 15 kt with gusts up to 20 kt Waves 2 to 3 ft A chance of rain
THU NIGHT
SW winds 20 to 25 kt Waves 2 to 4 ft Rain and snow likely
Reporting time 07:06 PM EDT Sat Mar 21 2026

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