Cape Ann's Marina, MA
11/21/2025 02:00 PM
47°F
TEMPERATURE
Winds 15 mph SW
Mostly Cloudy
Mostly cloudy, with a high near 48. Southwest wind around 15 mph.
Moonrise
08:17 AM
Moonset
04:43 PM
Sunrise
06:41 AM
Moon Phase
Waxing crescent
Sunset
04:15 PM

Hourly Forecast

Fri, 02:00 PM

Mostly Cloudy
Winds: 15 mph SW
47°

Fri, 03:00 PM

Mostly Cloudy
Winds: 14 mph SW
47°

Fri, 04:00 PM

Partly Sunny
Winds: 13 mph SW
47°

Fri, 05:00 PM

Partly Sunny
Winds: 13 mph SW
46°

Fri, 06:00 PM

Mostly Cloudy
Winds: 13 mph SW
45°

Fri, 07:00 PM

Mostly Cloudy
Winds: 13 mph SW
44°

Fri, 08:00 PM

Mostly Cloudy
Winds: 13 mph SW
44°

Fri, 09:00 PM

Mostly Cloudy
Winds: 14 mph W
43°

Fri, 10:00 PM

Mostly Cloudy
Winds: 14 mph W
43°

Fri, 11:00 PM

Mostly Cloudy
Winds: 14 mph W
42°

Sat, 12:00 AM

Mostly Cloudy
Winds: 14 mph W
42°

Sat, 01:00 AM

Mostly Cloudy
Winds: 14 mph W
42°

Sat, 02:00 AM

Mostly Cloudy
Winds: 13 mph W
41°

Sat, 03:00 AM

Mostly Cloudy
Winds: 13 mph W
41°

Sat, 04:00 AM

Cloudy
Winds: 12 mph W
40°

Sat, 05:00 AM

Cloudy
Winds: 12 mph W
40°

Sat, 06:00 AM

Cloudy
Winds: 12 mph W
40°

Sat, 07:00 AM

Cloudy
Winds: 12 mph NW
40°

Sat, 08:00 AM

Cloudy
Winds: 10 mph NW
42°

Sat, 09:00 AM

Cloudy
Winds: 8 mph NW
44°

Sat, 10:00 AM

Cloudy
Winds: 6 mph NW
46°

Sat, 11:00 AM

Mostly Cloudy
Winds: 7 mph NW
47°

Sat, 12:00 PM

Mostly Cloudy
Winds: 9 mph NW
48°

Sat, 01:00 PM

Mostly Cloudy
Winds: 10 mph NW
48°

This Afternoon

Mostly Cloudy
48°
Winds: 15 mph SW
Mostly cloudy, with a high near 48. Southwest wind around 15 mph.

Tonight

Mostly Cloudy
39°
Winds: 14 mph W
Mostly cloudy, with a low around 39. West wind around 14 mph.

Saturday

Mostly Cloudy
49°
Winds: 6 to 13 mph NW
Mostly cloudy, with a high near 49. Northwest wind 6 to 13 mph.

Saturday Night

Mostly Clear
28°
Winds: 10 to 14 mph NW
Mostly clear, with a low around 28. Northwest wind 10 to 14 mph.

Sunday

Partly Sunny
46°
Winds: 6 to 10 mph W
Partly sunny, with a high near 46. West wind 6 to 10 mph.

Sunday Night

Partly Cloudy
34°
Winds: 6 to 10 mph W
Partly cloudy, with a low around 34. West wind 6 to 10 mph.

Monday

Sunny
48°
Winds: 7 to 15 mph NW
Sunny, with a high near 48. Northwest wind 7 to 15 mph.

Monday Night

Partly Cloudy
32°
Winds: 7 mph W
Partly cloudy, with a low around 32. West wind around 7 mph.

Tuesday

Mostly Cloudy then Chance Light Rain
51°
Winds: 5 to 8 mph SW
A chance of rain after 2pm. Mostly cloudy, with a high near 51. Southwest wind 5 to 8 mph. Chance of precipitation is 30%.

Tuesday Night

Light Rain Likely
42°
Winds: 7 mph S
Rain likely. Cloudy, with a low around 42. South wind around 7 mph. Chance of precipitation is 70%.

Wednesday

Light Rain Likely
56°
Winds: 8 mph SW
Rain likely. Mostly cloudy, with a high near 56. Southwest wind around 8 mph. Chance of precipitation is 60%.

Wednesday Night

Chance Light Rain
39°
Winds: 8 mph W
A chance of rain. Mostly cloudy, with a low around 39. West wind around 8 mph. Chance of precipitation is 50%.

Thanksgiving Day

Chance Light Rain
50°
Winds: 12 mph W
A chance of rain. Partly sunny, with a high near 50. West wind around 12 mph. Chance of precipitation is 40%.

Thursday Night

Slight Chance Light Rain then Partly Cloudy
31°
Winds: 10 mph W
A slight chance of rain before 8pm. Partly cloudy, with a low around 31. West wind around 10 mph, with gusts as high as 22 mph.

Coastal Waters Forecast for Massachusetts and Rhode Island

National Weather Service Boston/Norton MA

for Massachusetts and Rhode Island coastal waters. High pressure moves south of the waters today ahead of an approaching cold front, which may bring showers to the southern waters. High pressure returns late Saturday and remains through early next 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

THIS AFTERNOON
SW winds around 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at 7 seconds
TONIGHT
W winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: SW 3 ft at 4 seconds and E 2 ft at 7 seconds
SAT
NW winds 10 to 15 kt Gusts up to 20 kt in the afternoon Seas 2 to 3 ft Wave Detail: NW 2 ft at 3 seconds and E 2 ft at 7 seconds
SAT NIGHT
NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight Gusts up to 25 kt Seas 3 to 4 ft Wave Detail: NW 3 ft at 4 seconds and E 2 ft at 7 seconds
SUN AND SUN NIGHT
W winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 4 ft Wave Detail: N 2 ft at 5 seconds and E 2 ft at 7 seconds
MON AND MON NIGHT
NW winds 10 to 15 kt Gusts up to 20 kt Seas 2 to 4 ft Wave Detail: NW 2 ft at 4 seconds and E 1 foot at 7 seconds
TUE
SW winds around 10 kt Seas around 2 ft A chance of rain
TUE NIGHT
S winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 4 ft Rain likely
Reporting time 01:04 PM EST Fri Nov 21 2025

Massachusetts Bay and Ipswich Bay

THIS AFTERNOON
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 E 1 foot at 3 seconds
TONIGHT
W 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 E 2 ft at 7 seconds
SAT
NW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon Seas 2 to 3 ft Wave Detail: NW 2 ft at 3 seconds and E 2 ft at 7 seconds
SAT NIGHT
NW winds 10 to 15 kt with gusts up to 25 kt Seas 2 to 3 ft Wave Detail: N 2 ft at 3 seconds and E 2 ft at 7 seconds
SUN AND SUN NIGHT
W winds 10 to 15 kt Seas 2 to 3 ft Wave Detail: N 2 ft at 4 seconds and E 1 foot at 7 seconds
MON AND MON NIGHT
NW winds 10 to 15 kt, diminishing to 5 to 10 kt Seas 2 to 3 ft Wave Detail: W 2 ft at 3 seconds and E 1 foot at 7 seconds
TUE
SW winds 5 to 10 kt Seas around 2 ft A chance of rain
TUE NIGHT
S winds around 10 kt Seas 2 to 3 ft Rain likely
Reporting time 01:04 PM EST Fri Nov 21 2025

Cape Cod Bay

THIS AFTERNOON
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 NE 1 foot at 3 seconds
TONIGHT
SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight Gusts up to 20 kt Seas 2 to 3 ft Wave Detail: SW 1 foot at 3 seconds and E 1 foot at 7 seconds A chance of showers after midnight
SAT
NW winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 20 kt in the afternoon Seas 2 to 3 ft Wave Detail: N 2 ft at 3 seconds and E 1 foot at 7 seconds A chance of showers in the morning with vsby 1 to 3 NM
SAT NIGHT
NW winds 10 to 15 kt with gusts up to 25 kt Seas 2 to 3 ft Wave Detail: N 2 ft at 4 seconds and E 1 foot at 7 seconds
SUN AND SUN NIGHT
W winds 5 to 10 kt Seas around 2 ft Wave Detail: N 2 ft at 5 seconds and SE 1 foot at 7 seconds
MON AND MON NIGHT
NW winds 10 to 15 kt, diminishing to 5 to 10 kt Seas 2 to 3 ft Wave Detail: N 2 ft at 4 seconds and SE 1 foot at 7 seconds
TUE
SW winds 5 to 10 kt Seas 1 foot or less A chance of rain
TUE NIGHT
S winds around 10 kt Seas around 2 ft Rain likely
Reporting time 01:04 PM EST Fri Nov 21 2025

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

THIS AFTERNOON
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 2 ft at 6 seconds
TONIGHT
SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight Gusts up to 20 kt Seas 2 to 3 ft Wave Detail: SW 2 ft at 4 seconds and E 2 ft at 7 seconds A chance of showers after midnight
SAT
NW winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 20 kt in the afternoon Seas 2 to 4 ft Wave Detail: NW 2 ft at 4 seconds and E 2 ft at 7 seconds Showers likely, mainly in the morning with vsby 1 NM or less
SAT NIGHT
NW winds 10 to 15 kt with gusts up to 25 kt Seas 3 to 5 ft Wave Detail: N 3 ft at 4 seconds and E 2 ft at 7 seconds
SUN AND SUN NIGHT
W winds 10 to 15 kt Seas 2 to 4 ft Wave Detail: S 3 ft at 7 seconds and N 2 ft at 5 seconds
MON THROUGH TUE
SW winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 4 ft Wave Detail: N 3 ft at 5 seconds and SE 2 ft at 7 seconds
TUE NIGHT
S winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 4 ft Rain likely
Reporting time 01:04 PM EST Fri Nov 21 2025

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

THIS AFTERNOON
SW winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: SW 3 ft at 4 seconds and SE 2 ft at 6 seconds
TONIGHT
SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight Seas 2 to 3 ft Wave Detail: SW 3 ft at 5 seconds and E 2 ft at 6 seconds Showers likely after midnight
SAT
N winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon Seas 2 to 4 ft Wave Detail: W 2 ft at 5 seconds and E 2 ft at 7 seconds Showers, mainly in the morning with vsby 1 NM or less
SAT NIGHT
N winds 10 to 15 kt with gusts up to 25 kt Seas 3 to 5 ft Wave Detail: SE 3 ft at 7 seconds and N 2 ft at 4 seconds
SUN AND SUN NIGHT
W winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 4 ft Wave Detail: W 3 ft at 4 seconds and S 3 ft at 7 seconds
MON AND MON NIGHT
NW winds 10 to 15 kt Gusts up to 20 kt Seas 2 to 4 ft Wave Detail: W 4 ft at 6 seconds and NE 1 foot at 5 seconds
TUE
S winds 10 to 15 kt Seas around 2 ft
TUE NIGHT
S winds 10 to 15 kt with gusts up to 20 kt Seas 3 to 5 ft Rain likely
Reporting time 01:04 PM EST Fri Nov 21 2025

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

THIS AFTERNOON
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
TONIGHT
W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight Seas 2 to 3 ft Wave Detail: SW 3 ft at 5 seconds and E 2 ft at 7 seconds Showers likely after midnight
SAT
N winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon Seas 2 to 4 ft Wave Detail: N 2 ft at 4 seconds and E 2 ft at 7 seconds Showers in the morning with vsby 1 to 3 NM
SAT NIGHT
N winds 10 to 15 kt with gusts up to 25 kt Seas 3 to 4 ft Wave Detail: N 2 ft at 4 seconds and E 2 ft at 7 seconds
SUN AND SUN NIGHT
W winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 4 ft Wave Detail: W 3 ft at 4 seconds and S 3 ft at 7 seconds
MON AND MON NIGHT
NW winds 10 to 15 kt Gusts up to 20 kt Seas 2 to 4 ft Wave Detail: NW 3 ft at 5 seconds and SE 2 ft at 8 seconds
TUE
S winds 10 to 15 kt Seas 2 to 3 ft A chance of rain
TUE NIGHT
S winds around 15 kt with gusts up to 20 kt Seas 3 to 5 ft Rain likely
Reporting time 01:04 PM EST Fri Nov 21 2025

Nantucket Sound

THIS AFTERNOON
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 E 1 foot at 5 seconds
TONIGHT
W winds 5 to 10 kt Seas around 2 ft Wave Detail: SW 2 ft at 3 seconds and E 1 foot at 5 seconds A chance of showers after midnight
SAT
NW winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 20 kt in the afternoon Seas 2 to 3 ft Wave Detail: N 2 ft at 3 seconds and E 1 foot at 6 seconds Showers likely, mainly in the morning with vsby 1 to 3 NM
SAT NIGHT
NW winds 10 to 15 kt with gusts up to 25 kt Seas 2 to 3 ft Wave Detail: N 2 ft at 4 seconds and E 1 foot at 7 seconds
SUN AND SUN NIGHT
W winds 10 to 15 kt Seas 2 to 3 ft Wave Detail: W 2 ft at 3 seconds and NE 1 foot at 4 seconds
MON THROUGH TUE
SW winds 10 to 15 kt with gusts up to 20 kt Seas around 2 ft Wave Detail: W 2 ft at 3 seconds and NE 1 foot at 5 seconds
TUE NIGHT
S winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Rain likely
Reporting time 01:04 PM EST Fri Nov 21 2025

Vineyard Sound

THIS AFTERNOON
SW winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 4 ft Wave Detail: S 2 ft at 5 seconds
TONIGHT
W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight Seas 2 to 3 ft Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at 6 seconds A chance of showers after midnight
SAT
N winds 5 to 10 kt Gusts up to 20 kt in the afternoon Seas around 2 ft Wave Detail: NW 1 foot at 4 seconds and E 1 foot at 6 seconds Showers likely in the morning with vsby 1 to 3 NM
SAT NIGHT
NW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight Gusts up to 20 kt Seas 2 to 3 ft Wave Detail: N 1 foot at 3 seconds and E 1 foot at 6 seconds
SUN AND SUN NIGHT
W winds 10 to 15 kt Seas 2 to 3 ft Wave Detail: SW 2 ft at 4 seconds and N 1 foot at 4 seconds
MON AND MON NIGHT
NW winds 10 to 15 kt, diminishing to 5 to 10 kt Seas around 2 ft Wave Detail: SW 2 ft at 6 seconds and SE 1 foot at 9 seconds
TUE
S winds 10 to 15 kt Seas around 2 ft A chance of rain
TUE NIGHT
S winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Rain likely
Reporting time 01:04 PM EST Fri Nov 21 2025

Buzzards Bay

THIS AFTERNOON
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 and NE 1 foot at 4 seconds
TONIGHT
W winds 5 to 10 kt Gusts up to 20 kt in the evening Seas around 2 ft Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at 6 seconds A chance of showers after midnight
SAT
N winds 5 to 10 kt Gusts up to 20 kt in the afternoon Seas around 2 ft Wave Detail: NW 1 foot at 4 seconds and E 1 foot at 6 seconds Showers likely in the morning with vsby 1 to 3 NM
SAT NIGHT
NW winds 5 to 10 kt Gusts up to 20 kt in the evening Seas 2 to 3 ft Wave Detail: N 1 foot at 3 seconds and E 1 foot at 7 seconds
SUN AND SUN NIGHT
W winds 5 to 10 kt Seas around 2 ft Wave Detail: SW 2 ft at 4 seconds and N 1 foot at 4 seconds
MON AND MON NIGHT
NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt Seas around 2 ft Wave Detail: W 2 ft at 4 seconds and S 1 foot at 7 seconds
TUE
S winds 10 to 15 kt Seas around 2 ft A chance of rain
TUE NIGHT
S winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Rain likely
Reporting time 01:04 PM EST Fri Nov 21 2025

Rhode Island Sound

THIS AFTERNOON
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
TONIGHT
W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight Seas 2 to 3 ft Wave Detail: SW 3 ft at 5 seconds and SE 1 foot at 6 seconds A chance of showers after midnight
SAT
N winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon Seas 2 to 3 ft Wave Detail: W 2 ft at 5 seconds and SE 1 foot at 6 seconds Showers likely in the morning with vsby 1 to 3 NM
SAT NIGHT
NW winds 10 to 15 kt with gusts up to 25 kt Seas 2 to 3 ft Wave Detail: N 2 ft at 3 seconds and S 2 ft at 7 seconds
SUN AND SUN NIGHT
W winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: W 2 ft at 3 seconds and S 2 ft at 7 seconds
MON AND MON NIGHT
NW winds 10 to 15 kt Gusts up to 20 kt Seas 2 to 3 ft Wave Detail: SW 2 ft at 6 seconds and SE 1 foot at 9 seconds
TUE
S winds 10 to 15 kt Seas around 2 ft A chance of rain
TUE NIGHT
S winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 4 ft Rain likely
Reporting time 01:04 PM EST Fri Nov 21 2025

Block Island Sound

THIS AFTERNOON
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 6 seconds
TONIGHT
W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight Seas 2 to 3 ft Wave Detail: W 2 ft at 4 seconds and SE 1 foot at 6 seconds Showers likely after midnight
SAT
N winds 5 to 10 kt Gusts up to 20 kt in the afternoon Seas 2 to 3 ft Wave Detail: NW 1 foot at 3 seconds and SE 1 foot at 6 seconds Showers likely in the morning with vsby 1 to 3 NM
SAT NIGHT
NW winds 10 to 15 kt, becoming N 5 to 10 kt after midnight Gusts up to 25 kt Seas 2 to 3 ft Wave Detail: N 1 foot at 3 seconds and E 1 foot at 7 seconds
SUN AND SUN NIGHT
W winds 10 to 15 kt Seas 2 to 3 ft Wave Detail: W 2 ft at 3 seconds and S 2 ft at 7 seconds
MON AND MON NIGHT
NW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt Seas 2 to 3 ft Wave Detail: W 2 ft at 3 seconds and S 2 ft at 6 seconds
TUE
S winds 10 to 15 kt Seas around 2 ft A chance of rain
TUE NIGHT
S winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 4 ft Rain likely
Reporting time 01:04 PM EST Fri Nov 21 2025

Boston Harbor

THIS AFTERNOON
SW winds around 10 kt with gusts up to 20 kt Waves around 2 ft
TONIGHT
W winds 5 to 10 kt Gusts up to 20 kt in the evening Waves around 2 ft
SAT
NW 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
SAT NIGHT
NW winds 5 to 10 kt with gusts up to 20 kt Waves around 2 ft
SUN AND SUN NIGHT
W winds 5 to 10 kt Waves 1 foot or less
MON AND MON NIGHT
W winds 5 to 10 kt Waves around 2 ft, then 1 foot or less
TUE
SW winds 5 to 10 kt Waves 1 foot or less A chance of rain
TUE NIGHT
S winds around 10 kt Waves 1 foot or less Rain likely
Reporting time 01:04 PM EST Fri Nov 21 2025

Narragansett Bay

THIS AFTERNOON
SW winds around 10 kt with gusts up to 20 kt Waves 2 to 3 ft
TONIGHT
W winds 5 to 10 kt Gusts up to 20 kt in the evening Waves around 2 ft A chance of showers after midnight
SAT
N winds 5 to 10 kt Waves around 2 ft Showers likely in the morning with vsby 1 to 3 NM
SAT NIGHT
NW winds 5 to 10 kt Gusts up to 20 kt in the evening Waves around 2 ft
SUN AND SUN NIGHT
W winds 5 to 10 kt Waves around 2 ft
MON AND MON NIGHT
NW winds 5 to 10 kt Waves 2 to 3 ft
TUE
S winds 5 to 10 kt Waves around 2 ft A chance of rain
TUE NIGHT
S winds 10 to 15 kt Waves 2 to 4 ft Rain likely
Reporting time 01:04 PM EST Fri Nov 21 2025

For the latest updatesplease visit our webpage at
wwwweathergov/boston

Reporting time
Oilrig
NWS
Buoy
Fixed Station
USGS
Ship
Other