Cape Ann's Marina, MA
09/17/2026 10:00 PM
67°F
TEMPERATURE
Winds 7 mph S
Rain Showers Likely
Rain showers likely and patchy fog. Cloudy, with a low around 64. Southwest wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Moonrise
02:29 PM
Moonset
10:56 PM
Sunrise
06:24 AM
Moon Phase
Waxing crescent
Sunset
06:49 PM

Hourly Forecast

Thu, 10:00 PM

Rain Showers Likely
Winds: 7 mph S
67°

Thu, 11:00 PM

Chance Rain Showers
Winds: 7 mph S
67°

Fri, 12:00 AM

Chance Rain Showers
Winds: 7 mph SW
67°

Fri, 01:00 AM

Chance Rain Showers
Winds: 7 mph SW
66°

Fri, 02:00 AM

Patchy Fog
Winds: 7 mph SW
66°

Fri, 03:00 AM

Patchy Fog
Winds: 6 mph W
66°

Fri, 04:00 AM

Patchy Fog
Winds: 6 mph W
66°

Fri, 05:00 AM

Patchy Fog
Winds: 6 mph NW
65°

Fri, 06:00 AM

Patchy Fog
Winds: 6 mph NW
65°

Fri, 07:00 AM

Patchy Fog
Winds: 6 mph NW
65°

Fri, 08:00 AM

Mostly Sunny
Winds: 7 mph NW
65°

Fri, 09:00 AM

Sunny
Winds: 7 mph NW
66°

Fri, 10:00 AM

Sunny
Winds: 8 mph NW
67°

Fri, 11:00 AM

Sunny
Winds: 9 mph N
68°

Fri, 12:00 PM

Sunny
Winds: 8 mph N
68°

Fri, 01:00 PM

Sunny
Winds: 8 mph N
68°

Fri, 02:00 PM

Sunny
Winds: 9 mph N
68°

Fri, 03:00 PM

Sunny
Winds: 9 mph N
69°

Fri, 04:00 PM

Sunny
Winds: 9 mph NW
69°

Fri, 05:00 PM

Sunny
Winds: 10 mph NW
68°

Fri, 06:00 PM

Mostly Clear
Winds: 10 mph NW
67°

Fri, 07:00 PM

Partly Cloudy
Winds: 10 mph NW
64°

Fri, 08:00 PM

Partly Cloudy
Winds: 10 mph NW
63°

Fri, 09:00 PM

Partly Cloudy
Winds: 10 mph N
60°

Tonight

Rain Showers Likely
64°
Winds: 7 mph SW
Rain showers likely and patchy fog. Cloudy, with a low around 64. Southwest wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

Friday

Patchy Fog then Mostly Sunny
72°
Winds: 6 to 10 mph NW
Patchy fog before 8am. Mostly sunny, with a high near 72. Northwest wind 6 to 10 mph.

Friday Night

Partly Cloudy
48°
Winds: 12 mph N
Partly cloudy, with a low around 48. North wind around 12 mph.

Saturday

Sunny
60°
Winds: 5 to 10 mph NE
Sunny, with a high near 60. Northeast wind 5 to 10 mph.

Saturday Night

Partly Cloudy
56°
Winds: 5 mph S
Partly cloudy, with a low around 56. South wind around 5 mph.

Sunday

Mostly Cloudy then Rain Showers Likely
64°
Winds: 5 to 9 mph SE
Rain showers likely after 2pm. Mostly cloudy, with a high near 64. Southeast wind 5 to 9 mph. Chance of precipitation is 60%.

Sunday Night

Rain Showers Likely
54°
Winds: 3 to 7 mph E
Rain showers likely. Mostly cloudy, with a low around 54. East wind 3 to 7 mph. Chance of precipitation is 60%.

Monday

Chance Rain Showers then Partly Sunny
67°
Winds: 8 to 13 mph NE
A chance of rain showers before 11am. Partly sunny, with a high near 67. Northeast wind 8 to 13 mph. Chance of precipitation is 30%.

Monday Night

Mostly Cloudy then Slight Chance Rain Showers
53°
Winds: 6 to 13 mph NE
A slight chance of rain showers after 5am. Mostly cloudy, with a low around 53. Northeast wind 6 to 13 mph.

Tuesday

Partly Sunny
62°
Winds: 15 mph NE
Partly sunny, with a high near 62. Northeast wind around 15 mph.

Tuesday Night

Partly Cloudy
53°
Winds: 10 to 16 mph NE
Partly cloudy, with a low around 53. Northeast wind 10 to 16 mph.

Wednesday

Mostly Sunny
63°
Winds: 14 to 21 mph NE
Mostly sunny, with a high near 63. Northeast wind 14 to 21 mph.

Wednesday Night

Partly Cloudy
52°
Winds: 9 to 13 mph NE
Partly cloudy, with a low around 52. Northeast wind 9 to 13 mph.

Thursday

Slight Chance Rain Showers
63°
Winds: 12 to 17 mph NE
A slight chance of rain showers after 8am. Mostly sunny, with a high near 63. Northeast wind 12 to 17 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 tonight through early tomorrow morning with a period of showers. High pressure builds back in from the NNW Friday afternoon into Saturday. Then a developing low pressure system brings the threat of widespread rain, especially the southern waters on Sunday.

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

OVERNIGHT
SW winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: S 2 ft at 3 seconds and E 2 ft at 8 seconds Patchy fog A chance of showers Vsby 1 to 3 NM
FRI
NW winds 5 to 10 kt Gusts up to 20 kt in the morning Seas 2 to 3 ft Wave Detail: W 2 ft at 4 seconds and E 2 ft at 8 seconds Patchy fog in the morning with vsby 1 to 3 NM
FRI NIGHT
N winds 10 to 15 kt, increasing to 15 to 20 kt after midnight Gusts up to 25 kt Seas 2 to 4 ft Wave Detail: N 4 ft at 6 seconds
SAT
NE winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon Seas 2 to 4 ft Wave Detail: NW 4 ft at 6 seconds
SAT NIGHT
SE winds around 5 kt, becoming S after midnight Seas 2 to 3 ft Wave Detail: NE 3 ft at 7 seconds and NW 1 foot at 4 seconds
SUN
SE winds 5 to 10 kt Seas around 2 ft Wave Detail: S 2 ft at 3 seconds and E 2 ft at 8 seconds A chance of showers in the afternoon
SUN NIGHT
SE winds 5 to 10 kt, becoming E after midnight Seas 2 to 3 ft Showers likely
MON
NE winds 10 to 15 kt with gusts up to 20 kt Seas 3 to 5 ft A chance of showers
MON NIGHT AND TUE
NE winds 15 to 20 kt with gusts up to 25 kt Seas 3 to 4 ft
TUE NIGHT
NE winds 15 to 20 kt with gusts up to 30 kt Seas 4 to 6 ft
Reporting time 10:03 PM EDT Thu Sep 17 2026

Massachusetts Bay and Ipswich Bay

OVERNIGHT
SW winds 5 to 10 kt Seas around 2 ft Wave Detail: SE 2 ft at 3 seconds and E 2 ft at 8 seconds Patchy fog A chance of showers Vsby 1 to 3 NM
FRI
NW winds 5 to 10 kt Seas around 2 ft Wave Detail: E 2 ft at 8 seconds and W 1 foot at 3 seconds Patchy fog in the morning with vsby 1 to 3 NM
FRI NIGHT
N winds 10 to 15 kt with gusts up to 25 kt Seas 2 to 3 ft Wave Detail: NE 3 ft at 7 seconds and NW 2 ft at 3 seconds
SAT
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 3 ft at 6 seconds
SAT NIGHT
SE winds 5 to 10 kt Seas around 2 ft Wave Detail: N 2 ft at 6 seconds
SUN AND SUN NIGHT
NE winds 5 to 10 kt Seas around 2 ft Wave Detail: E 2 ft at 4 seconds Showers likely
MON
NE winds 15 to 20 kt with gusts up to 25 kt Seas 2 to 3 ft A chance of showers
MON NIGHT AND TUE
NE winds 15 to 20 kt with gusts up to 25 kt Seas 2 to 3 ft
TUE NIGHT
NE winds 20 to 25 kt with gusts up to 30 kt Seas 3 to 5 ft
Reporting time 10:03 PM EDT Thu Sep 17 2026

Cape Cod Bay

OVERNIGHT
SW winds 10 to 15 kt Gusts up to 20 kt Seas around 2 ft Wave Detail: S 1 foot at 2 seconds and E 1 foot at 7 seconds A slight chance of showers, then a chance of showers Patchy fog with vsby 1 to 3 NM
FRI
NW winds around 10 kt, becoming N in the afternoon Gusts up to 20 kt Seas 2 to 3 ft Wave Detail: W 1 foot at 3 seconds and E 1 foot at 8 seconds Patchy fog in the morning with vsby 1 to 3 NM
FRI NIGHT
N winds 10 to 15 kt with gusts up to 25 kt Seas 2 to 4 ft Wave Detail: N 3 ft at 5 seconds
SAT
NE winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon Seas 2 to 3 ft Wave Detail: N 2 ft at 5 seconds
SAT NIGHT
SE winds around 5 kt Seas around 2 ft Wave Detail: N 2 ft at 6 seconds
SUN
SE winds 5 to 10 kt Seas around 2 ft Wave Detail: N 2 ft at 6 seconds and SE 1 foot at 4 seconds A chance of showers in the afternoon
SUN NIGHT
SE winds 5 to 10 kt, becoming E after midnight Seas around 2 ft Showers likely
MON
NE winds 10 to 15 kt with gusts up to 25 kt Seas 2 to 4 ft A chance of showers
MON NIGHT AND TUE
NE winds 15 to 20 kt with gusts up to 25 kt Seas 2 to 4 ft
TUE NIGHT
NE winds 20 to 25 kt with gusts up to 30 kt Seas 3 to 5 ft
Reporting time 10:03 PM EDT Thu Sep 17 2026

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

OVERNIGHT
S winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: S 2 ft at 3 seconds and E 2 ft at 7 seconds A slight chance of showers A chance of showers Patchy fog with vsby 1 to 3 NM
FRI
W winds 10 to 15 kt, becoming N in the afternoon Gusts up to 20 kt Seas 2 to 3 ft Wave Detail: W 2 ft at 4 seconds and E 2 ft at 8 seconds Patchy fog in the morning with vsby 1 to 3 NM
FRI NIGHT
N winds 10 to 15 kt, increasing to 15 to 20 kt after midnight Gusts up to 25 kt Seas 2 to 4 ft Wave Detail: N 4 ft at 5 seconds
SAT
NE winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon Seas 3 to 4 ft Wave Detail: NE 4 ft at 6 seconds and W 1 foot at 5 seconds
SAT NIGHT AND SUN
SE winds 5 to 10 kt Seas 2 to 3 ft Wave Detail: NE 3 ft at 7 seconds and SE 2 ft at 3 seconds
SUN NIGHT
E winds 5 to 10 kt Seas 2 to 4 ft Wave Detail: E 3 ft at 6 seconds and SW 3 ft at 7 seconds Showers likely
MON THROUGH TUE
NE winds 15 to 20 kt with gusts up to 25 kt Seas 3 to 5 ft A chance of showers
TUE NIGHT
NE winds 25 to 30 kt Seas 5 to 7 ft
Reporting time 10:03 PM EDT Thu Sep 17 2026

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

OVERNIGHT
SW winds 10 to 15 kt Gusts up to 20 kt Seas 2 to 3 ft Wave Detail: SW 3 ft at 4 seconds and E 2 ft at 8 seconds A chance of showers
FRI
W winds 10 to 15 kt, becoming N in the afternoon Gusts up to 20 kt Seas 2 to 3 ft Wave Detail: SW 3 ft at 5 seconds and E 2 ft at 8 seconds A chance of showers in the morning
FRI NIGHT
N winds 10 to 15 kt, increasing to 15 to 20 kt after midnight Seas 2 to 4 ft Wave Detail: N 3 ft at 5 seconds and SW 2 ft at 5 seconds
SAT
NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon Seas 2 to 4 ft Wave Detail: NE 3 ft at 5 seconds and SW 1 foot at 5 seconds
SAT NIGHT
E winds 5 to 10 kt Seas 2 to 3 ft Wave Detail: NE 2 ft at 7 seconds and NW 1 foot at 4 seconds
SUN
SE winds around 10 kt Seas 2 to 3 ft Wave Detail: SE 2 ft at 4 seconds and E 2 ft at 8 seconds A chance of showers in the afternoon
SUN NIGHT
SE winds 10 to 15 kt Seas 4 to 6 ft Showers likely
MON
NE winds 15 to 20 kt with gusts up to 25 kt Seas 3 to 5 ft Showers likely
MON NIGHT AND TUE
NE winds 20 to 25 kt with gusts up to 30 kt Seas 3 to 5 ft A chance of showers
TUE NIGHT
NE winds 25 to 30 kt with gusts up to 35 kt Seas 4 to 6 ft
Reporting time 10:03 PM EDT Thu Sep 17 2026

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

OVERNIGHT
SW winds around 15 kt with gusts up to 20 kt Seas 2 to 4 ft Wave Detail: SW 3 ft at 5 seconds and E 2 ft at 8 seconds A chance of showers
FRI
NW winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt in the afternoon Seas 2 to 4 ft Wave Detail: SW 3 ft at 5 seconds and E 2 ft at 9 seconds A chance of showers in the morning
FRI NIGHT
N winds 10 to 15 kt, becoming NE 15 to 20 kt after midnight Seas 2 to 4 ft Wave Detail: N 4 ft at 5 seconds and W 2 ft at 5 seconds
SAT
NE winds 10 to 15 kt Gusts up to 20 kt in the morning Seas 2 to 4 ft Wave Detail: NE 4 ft at 6 seconds and SW 1 foot at 5 seconds
SAT NIGHT
E winds 5 to 10 kt Seas around 2 ft Wave Detail: E 2 ft at 7 seconds and NW 1 foot at 4 seconds
SUN
SE winds 10 to 15 kt Seas 2 to 4 ft Wave Detail: SE 4 ft at 5 seconds and SE 2 ft at 10 seconds A chance of showers in the afternoon
SUN NIGHT
SE winds 10 to 15 kt, becoming E with gusts up to 20 kt after midnight Seas 4 to 6 ft Showers likely
MON
NE winds 20 to 25 kt with gusts up to 30 kt Seas 4 to 5 ft Showers likely
MON NIGHT
NE winds 20 to 25 kt with gusts up to 30 kt Seas 4 to 5 ft A chance of showers
TUE
NE winds around 25 kt with gusts up to 35 kt Seas 5 to 7 ft A chance of showers
TUE NIGHT
NE winds 25 to 30 kt with gusts up to 40 kt Seas 5 to 7 ft
Reporting time 10:03 PM EDT Thu Sep 17 2026

Nantucket Sound

OVERNIGHT
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 7 seconds Patchy fog A chance of showers with vsby 1 to 3 NM
FRI
W winds 10 to 15 kt, becoming N in the afternoon Gusts up to 20 kt Seas 2 to 3 ft Wave Detail: W 2 ft at 3 seconds and E 1 foot at 7 seconds
FRI NIGHT
N winds 10 to 15 kt, increasing to 15 to 20 kt after midnight Seas 2 to 3 ft Wave Detail: NE 3 ft at 4 seconds and W 1 foot at 5 seconds
SAT
NE winds 10 to 15 kt Gusts up to 20 kt in the morning Seas 2 to 3 ft Wave Detail: NE 3 ft at 4 seconds and W 1 foot at 5 seconds
SAT NIGHT
E winds 5 to 10 kt Seas around 2 ft Wave Detail: SE 1 foot at 3 seconds and NE 1 foot at 7 seconds
SUN
SE winds 5 to 10 kt Seas around 2 ft Wave Detail: SE 2 ft at 3 seconds and E 1 foot at 7 seconds A chance of showers in the afternoon
SUN NIGHT
SE winds 10 to 15 kt Seas 2 to 3 ft Showers likely
MON THROUGH TUE
NE winds 20 to 25 kt with gusts up to 30 kt Seas 2 to 4 ft A chance of showers
TUE NIGHT
NE winds 25 to 30 kt with gusts up to 35 kt Seas 3 to 4 ft
Reporting time 10:03 PM EDT Thu Sep 17 2026

Vineyard Sound

OVERNIGHT
SW winds 10 to 15 kt Gusts up to 20 kt Seas 2 to 3 ft Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at 8 seconds Patchy fog A chance of showers
FRI
NW winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt in the afternoon Seas around 2 ft Wave Detail: SW 2 ft at 5 seconds and SE 1 foot at 12 seconds
FRI NIGHT
N winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: NE 2 ft at 3 seconds and W 1 foot at 5 seconds
SAT
NE winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon Seas around 2 ft Wave Detail: NE 2 ft at 4 seconds and SW 1 foot at 5 seconds
SAT NIGHT
SE winds 5 to 10 kt Seas 1 foot or less Wave Detail: SE 1 foot at 2 seconds and E 1 foot at 6 seconds
SUN
SE winds 5 to 10 kt Seas around 2 ft Wave Detail: S 2 ft at 3 seconds and SE 1 foot at 11 seconds A chance of showers in the afternoon
SUN NIGHT
E winds 10 to 15 kt Seas 2 to 4 ft Showers likely
MON AND MON NIGHT
NE winds 15 to 20 kt with gusts up to 25 kt Seas 2 to 4 ft A chance of showers
TUE
NE winds 20 to 25 kt with gusts up to 30 kt Seas 3 to 5 ft A chance of showers
TUE NIGHT
NE winds 20 to 25 kt with gusts up to 30 kt Seas 3 to 5 ft
Reporting time 10:03 PM EDT Thu Sep 17 2026

Buzzards Bay

OVERNIGHT
SW winds 10 to 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 10 seconds A chance of showers
FRI
NW winds 5 to 10 kt with gusts up to 20 kt, becoming N in the afternoon Seas around 2 ft Wave Detail: SW 2 ft at 5 seconds and SE 1 foot at 10 seconds
FRI NIGHT
N winds 10 to 15 kt with gusts up to 20 kt Seas around 2 ft Wave Detail: N 1 foot at 2 seconds and W 1 foot at 5 seconds
SAT
NE winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon Seas around 2 ft in the morning, then 1 foot or less Wave Detail: NE 1 foot at 3 seconds and SW 1 foot at 5 seconds, becoming NE 1 foot at 3 seconds and W 1 foot at 5 seconds
SAT NIGHT
SE winds 5 to 10 kt Seas 1 foot or less Wave Detail: E 1 foot at 2 seconds
SUN
SE winds 5 to 10 kt Seas 1 foot or less, then around 2 ft in the afternoon Wave Detail: SE 1 foot at 2 seconds and E 1 foot at 10 seconds, becoming S 2 ft at 3 seconds and E 1 foot at 10 seconds Showers likely in the afternoon
SUN NIGHT
SE winds around 10 kt, becoming E after midnight Seas 2 to 3 ft Showers likely
MON AND MON NIGHT
NE winds 15 to 20 kt with gusts up to 25 kt Seas 2 to 4 ft A chance of showers
TUE
NE winds 15 to 20 kt with gusts up to 30 kt Seas 3 to 5 ft A chance of showers
TUE NIGHT
NE winds 20 to 25 kt with gusts up to 30 kt Seas 3 to 4 ft
Reporting time 10:03 PM EDT Thu Sep 17 2026

Rhode Island Sound

OVERNIGHT
SW winds 10 to 15 kt Gusts up to 20 kt Seas 2 to 3 ft Wave Detail: SW 3 ft at 4 seconds and SE 1 foot at 9 seconds A chance of showers
FRI
NW winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt in the afternoon Seas 2 to 3 ft Wave Detail: SW 3 ft at 5 seconds and SE 1 foot at 10 seconds
FRI NIGHT
N winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: N 3 ft at 5 seconds and W 2 ft at 5 seconds
SAT
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: NE 3 ft at 5 seconds and SW 1 foot at 5 seconds
SAT NIGHT
SE winds 5 to 10 kt Seas around 2 ft Wave Detail: E 2 ft at 8 seconds and SE 1 foot at 3 seconds
SUN
SE winds 10 to 15 kt Seas 2 to 3 ft Wave Detail: SE 3 ft at 4 seconds and SE 1 foot at 11 seconds Showers likely in the afternoon
SUN NIGHT
SE winds 10 to 15 kt, becoming E with gusts up to 20 kt after midnight Seas 3 to 5 ft Showers likely
MON AND MON NIGHT
NE winds 15 to 20 kt with gusts up to 25 kt Seas 2 to 4 ft A chance of showers
TUE
NE winds 20 to 25 kt with gusts up to 30 kt Seas 3 to 5 ft A chance of showers
TUE NIGHT
NE winds 25 to 30 kt Seas 3 to 5 ft
Reporting time 10:03 PM EDT Thu Sep 17 2026

Block Island Sound

OVERNIGHT
SW winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: SW 2 ft at 4 seconds and E 1 foot at 8 seconds A chance of showers
FRI
NW winds 5 to 10 kt Seas 2 to 3 ft Wave Detail: W 2 ft at 5 seconds and E 1 foot at 9 seconds
FRI NIGHT
N winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: NE 2 ft at 9 seconds and SW 1 foot at 5 seconds
SAT
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: NE 2 ft at 5 seconds and SW 1 foot at 5 seconds
SAT NIGHT
SE winds 5 to 10 kt Seas around 2 ft Wave Detail: E 2 ft at 7 seconds and SE 1 foot at 4 seconds
SUN
SE winds 5 to 10 kt Seas 2 to 3 ft Wave Detail: S 3 ft at 4 seconds and SE 1 foot at 9 seconds Showers likely in the afternoon
SUN NIGHT
SE winds around 10 kt, becoming NE with gusts up to 20 kt after midnight Seas 3 to 5 ft Showers likely
MON AND MON NIGHT
NE winds 15 to 20 kt with gusts up to 25 kt Seas 2 to 4 ft A chance of showers
TUE
NE winds 20 to 25 kt with gusts up to 30 kt Seas 3 to 5 ft A chance of showers
TUE NIGHT
NE winds 20 to 25 kt with gusts up to 35 kt Seas 3 to 5 ft
Reporting time 10:03 PM EDT Thu Sep 17 2026

Boston Harbor

OVERNIGHT
SW winds 5 to 10 kt Waves around 2 ft Patchy fog A chance of showers Vsby 1 to 3 NM
FRI
NW winds 5 to 10 kt Waves around 2 ft Patchy fog in the morning with vsby 1 to 3 NM
FRI NIGHT
N winds around 10 kt Waves around 2 ft
SAT
NE winds 5 to 10 kt, becoming E in the afternoon Waves 1 foot or less
SAT NIGHT
SE winds 5 to 10 kt Waves 1 foot or less
SUN AND SUN NIGHT
NE winds 5 to 10 kt Waves 1 foot or less Showers likely
MON
NE winds 10 to 15 kt with gusts up to 20 kt Waves 2 to 3 ft A chance of showers
MON NIGHT THROUGH TUE NIGHT
NE winds 15 to 20 kt with gusts up to 25 kt Waves 2 to 3 ft
Reporting time 10:03 PM EDT Thu Sep 17 2026

Narragansett Bay

OVERNIGHT
SW winds 10 to 15 kt Gusts up to 20 kt Waves around 2 ft A slight chance of showers A chance of showers
FRI
NW winds 5 to 10 kt Waves around 2 ft
FRI NIGHT
N winds 5 to 10 kt Waves around 2 ft
SAT
NE winds 5 to 10 kt, becoming E in the afternoon Waves around 2 ft
SAT NIGHT
SE winds 5 to 10 kt Waves 1 foot or less
SUN
SE winds 5 to 10 kt Waves around 2 ft Showers likely in the afternoon
SUN NIGHT
SE winds 5 to 10 kt, becoming NE 10 to 15 kt after midnight Waves 2 to 3 ft Showers likely
MON THROUGH TUE
NE winds 15 to 20 kt with gusts up to 25 kt Waves 2 to 3 ft A chance of showers
TUE NIGHT
NE winds 15 to 20 kt with gusts up to 25 kt Waves 2 to 3 ft
Reporting time 10:03 PM EDT Thu Sep 17 2026

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

OVERNIGHT
S winds 10 to 15 kt with gusts up to 25 kt Seas around 3 ft Wave Detail: S 3 ft at 4 seconds and E 2 ft at 8 seconds Patchy fog A chance of showers, then showers likely Vsby 1 to 3 NM
FRI
NW 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 E 2 ft at 8 seconds Patchy fog in the morning with vsby 1 to 3 NM
FRI NIGHT
N winds 15 to 20 kt with gusts up to 25 kt Seas 2 to 4 ft, building to 4 to 5 ft after midnight Wave Detail: N 4 ft at 4 seconds and E 2 ft at 9 seconds, becoming NE 5 ft at 9 seconds and NW 4 ft at 5 seconds
SAT
N winds 15 to 20 kt with gusts up to 25 kt, becoming NE 5 to 10 kt in the afternoon Seas 3 to 5 ft Wave Detail: N 5 ft at 6 seconds and W 2 ft at 5 seconds
SAT NIGHT
SE winds around 5 kt, increasing to 5 to 10 kt after midnight Seas 2 to 3 ft Wave Detail: N 3 ft at 6 seconds
SUN
S winds 5 to 10 kt Seas 2 to 3 ft Wave Detail: S 2 ft at 3 seconds and E 2 ft at 8 seconds A chance of showers in the afternoon
SUN NIGHT
SE winds around 10 kt, becoming E after midnight Seas 3 to 5 ft Showers likely, mainly in the evening
MON
NE winds 10 to 15 kt with gusts up to 20 kt Seas 4 to 6 ft A chance of showers
MON NIGHT AND TUE
NE winds 15 to 20 kt with gusts up to 25 kt Seas 3 to 5 ft
TUE NIGHT
NE winds 15 to 20 kt with gusts up to 30 kt Seas 4 to 6 ft
Reporting time 10:03 PM EDT Thu Sep 17 2026

Ocean Waters from Provincetown to Nantucket from 20 to 60 NM

OVERNIGHT
S winds 10 to 15 kt with gusts up to 25 kt Seas 2 to 3 ft Wave Detail: SW 2 ft at 3 seconds and E 2 ft at 8 seconds Patchy fog A chance of showers with vsby 1 to 3 NM
FRI
W winds 10 to 15 kt, becoming N in the afternoon Gusts up to 20 kt Seas around 3 ft Wave Detail: NW 3 ft at 4 seconds and E 2 ft at 8 seconds Patchy fog in the morning A chance of showers in the morning with vsby 1 to 3 NM
FRI NIGHT
N winds 15 to 20 kt with gusts up to 25 kt Seas 3 to 4 ft, building to 4 to 6 ft after midnight Wave Detail: N 3 ft at 5 seconds and E 2 ft at 9 seconds, becoming N 5 ft at 8 seconds and SW 3 ft at 5 seconds
SAT
NE winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon Seas 4 to 6 ft Wave Detail: N 5 ft at 7 seconds and SW 1 foot at 5 seconds
SAT NIGHT AND SUN
SE winds 5 to 10 kt Seas 2 to 4 ft Wave Detail: N 4 ft at 7 seconds and SE 2 ft at 4 seconds
SUN NIGHT
E winds 5 to 10 kt Seas 4 to 6 ft Wave Detail: SW 6 ft at 7 seconds and E 3 ft at 8 seconds Showers likely
MON
NE winds 10 to 15 kt with gusts up to 20 kt Seas 5 to 7 ft A chance of showers
MON NIGHT AND TUE
NE winds 15 to 20 kt with gusts up to 25 kt Seas 4 to 6 ft A chance of showers
TUE NIGHT
NE winds 20 to 25 kt with gusts up to 35 kt Seas 5 to 7 ft
Reporting time 10:03 PM EDT Thu Sep 17 2026

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

OVERNIGHT
SW winds 10 to 15 kt Gusts up to 20 kt Seas 2 to 3 ft Wave Detail: SW 3 ft at 4 seconds and E 2 ft at 8 seconds
FRI
W winds 10 to 15 kt, becoming N in the afternoon Gusts up to 20 kt Seas 3 to 4 ft Wave Detail: SW 3 ft at 5 seconds and E 2 ft at 8 seconds A chance of showers in the morning
FRI NIGHT
NE winds 5 to 10 kt, increasing to 10 to 15 kt after midnight Gusts up to 20 kt Seas 3 to 4 ft Wave Detail: N 4 ft at 7 seconds and W 3 ft at 5 seconds
SAT
NE winds 10 to 15 kt Gusts up to 20 kt in the morning Seas 3 to 4 ft Wave Detail: NE 4 ft at 6 seconds and W 1 foot at 5 seconds
SAT NIGHT AND SUN
SE winds 5 to 10 kt Seas 2 to 4 ft Wave Detail: S 4 ft at 5 seconds and NE 4 ft at 7 seconds
SUN NIGHT
SE winds around 10 kt Seas 5 to 8 ft Wave Detail: SW 8 ft at 7 seconds and NE 2 ft at 8 seconds Showers likely
MON
NE winds 15 to 20 kt with gusts up to 25 kt Seas 5 to 6 ft Showers likely
MON NIGHT
NE winds 15 to 20 kt with gusts up to 25 kt Seas around 5 ft A chance of showers
TUE
NE winds 20 to 25 kt with gusts up to 30 kt Seas 5 to 6 ft A chance of showers
TUE NIGHT
NE winds 25 to 30 kt with gusts up to 35 kt Seas 6 to 9 ft A chance of showers
Reporting time 10:03 PM EDT Thu Sep 17 2026

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

OVERNIGHT
SW winds 10 to 15 kt with gusts up to 20 kt Seas 3 to 4 ft Wave Detail: SW 3 ft at 5 seconds and E 2 ft at 8 seconds A slight chance of showers
FRI
W winds 10 to 15 kt, becoming N in the afternoon Gusts up to 20 kt Seas 3 to 4 ft Wave Detail: SW 3 ft at 5 seconds and E 2 ft at 8 seconds A chance of showers in the morning
FRI NIGHT
NE winds 5 to 10 kt, increasing to 15 to 20 kt after midnight Seas 2 to 4 ft Wave Detail: NE 4 ft at 7 seconds and SW 2 ft at 5 seconds
SAT
NE winds 10 to 15 kt Gusts up to 20 kt in the morning Seas 3 to 4 ft Wave Detail: NE 4 ft at 6 seconds and SW 1 foot at 5 seconds
SAT NIGHT
E winds around 10 kt Seas 2 to 3 ft Wave Detail: NE 3 ft at 7 seconds and NW 1 foot at 4 seconds
SUN
SE winds 10 to 15 kt Seas 2 to 3 ft, building to 3 to 5 ft in the afternoon Wave Detail: SE 2 ft at 4 seconds and E 2 ft at 8 seconds, becoming S 5 ft at 5 seconds and E 2 ft at 9 seconds A chance of showers in the afternoon
SUN NIGHT
SE winds 10 to 15 kt Gusts up to 20 kt after midnight Seas 5 to 7 ft Showers likely
MON
NE winds 15 to 20 kt with gusts up to 30 kt Seas 5 to 6 ft Showers likely
MON NIGHT
NE winds 20 to 25 kt with gusts up to 30 kt Seas 5 to 6 ft A chance of showers
TUE
NE winds 20 to 25 kt with gusts up to 35 kt Seas 5 to 7 ft A chance of showers
TUE NIGHT
NE winds 25 to 30 kt with gusts up to 40 kt Seas 6 to 9 ft A chance of showers
Reporting time 10:03 PM EDT Thu Sep 17 2026

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