Cape Ann's Marina, MA
05/17/2026 09:00 AM
68°F
TEMPERATURE
Winds 6 mph W
Sunny
Sunny, with a high near 81. West wind 6 to 12 mph.
Moonrise
06:21 AM
Moonset
10:43 PM
Sunrise
05:18 AM
Moon Phase
Waxing crescent
Sunset
08:00 PM

Hourly Forecast

Sun, 09:00 AM

Sunny
Winds: 6 mph W
68°

Sun, 10:00 AM

Sunny
Winds: 6 mph W
71°

Sun, 11:00 AM

Sunny
Winds: 9 mph W
73°

Sun, 12:00 PM

Sunny
Winds: 9 mph W
75°

Sun, 01:00 PM

Sunny
Winds: 10 mph W
76°

Sun, 02:00 PM

Sunny
Winds: 12 mph W
77°

Sun, 03:00 PM

Sunny
Winds: 10 mph W
77°

Sun, 04:00 PM

Sunny
Winds: 10 mph W
77°

Sun, 05:00 PM

Sunny
Winds: 10 mph W
76°

Sun, 06:00 PM

Mostly Clear
Winds: 10 mph W
74°

Sun, 07:00 PM

Mostly Clear
Winds: 6 mph NW
76°

Sun, 08:00 PM

Mostly Clear
Winds: 3 mph NW
71°

Sun, 09:00 PM

Partly Cloudy
Winds: 3 mph NW
67°

Sun, 10:00 PM

Partly Cloudy
Winds: 3 mph N
65°

Sun, 11:00 PM

Partly Cloudy
Winds: 5 mph N
63°

Mon, 12:00 AM

Partly Cloudy
Winds: 5 mph N
61°

Mon, 01:00 AM

Partly Cloudy
Winds: 3 mph N
60°

Mon, 02:00 AM

Partly Cloudy
Winds: 3 mph NE
58°

Mon, 03:00 AM

Partly Cloudy
Winds: 3 mph NE
57°

Mon, 04:00 AM

Mostly Cloudy
Winds: 3 mph NE
55°

Mon, 05:00 AM

Partly Cloudy
Winds: 3 mph NE
54°

Mon, 06:00 AM

Mostly Sunny
Winds: 3 mph E
54°

Mon, 07:00 AM

Mostly Sunny
Winds: 2 mph E
53°

Mon, 08:00 AM

Mostly Sunny
Winds: 3 mph E
57°

Today

Sunny
81°
Winds: 6 to 12 mph W
Sunny, with a high near 81. West wind 6 to 12 mph.

Tonight

Partly Cloudy
52°
Winds: 3 to 10 mph N
Partly cloudy, with a low around 52. North wind 3 to 10 mph.

Monday

Mostly Sunny
65°
Winds: 2 to 8 mph E
Mostly sunny, with a high near 65. East wind 2 to 8 mph.

Monday Night

Mostly Clear
56°
Winds: 8 mph S
Mostly clear, with a low around 56. South wind around 8 mph.

Tuesday

Mostly Sunny then Slight Chance Rain Showers
86°
Winds: 9 mph SW
A slight chance of rain showers after 3pm. Mostly sunny, with a high near 86. Southwest wind around 9 mph. Chance of precipitation is 20%.

Tuesday Night

Slight Chance Rain Showers then Partly Cloudy
64°
Winds: 9 mph SW
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 64. Southwest wind around 9 mph. Chance of precipitation is 20%.

Wednesday

Mostly Sunny then Showers And Thunderstorms Likely
87°
Winds: 8 to 12 mph SW
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 87. Southwest wind 8 to 12 mph. Chance of precipitation is 70%.

Wednesday Night

Showers And Thunderstorms Likely
53°
Winds: 9 mph W
Showers and thunderstorms likely before 1am. Mostly cloudy, with a low around 53. West wind around 9 mph. Chance of precipitation is 60%.

Thursday

Mostly Sunny
67°
Winds: 5 to 8 mph NE
Mostly sunny, with a high near 67. Northeast wind 5 to 8 mph.

Thursday Night

Partly Cloudy
48°
Winds: 5 mph NW
Partly cloudy, with a low around 48. Northwest wind around 5 mph.

Friday

Mostly Sunny
64°
Winds: 3 to 7 mph E
Mostly sunny, with a high near 64. East wind 3 to 7 mph.

Friday Night

Partly Cloudy
48°
Winds: 2 to 6 mph S
Partly cloudy, with a low around 48. South wind 2 to 6 mph.

Saturday

Slight Chance Rain Showers
64°
Winds: 2 to 7 mph S
A slight chance of rain showers after 9am. Partly sunny, with a high near 64. South wind 2 to 7 mph.

Saturday Night

Chance Rain Showers
49°
Winds: 2 to 6 mph E
A chance of rain showers. Mostly cloudy, with a low around 49. East wind 2 to 6 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 drop S across northern New Eng today pushing through southern New Eng and the waters tonight. High pres will build over the eastern waters Mon, then a warm front will lift to the N by Tue. A strong cold front will cross the waters late Wed and Wed evening followed by high pres building in from the NW Thu into Fri.

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 8 AM EDT THIS MORNING
Reporting time 07:03 AM EDT Sun May 17 2026

Massachusetts Bay and Ipswich Bay

TODAY
SW winds 10 to 15 kt Gusts up to 20 kt this afternoon Seas 2 to 3 ft Wave Detail: SW 2 ft at 4 seconds and E 2 ft at 9 seconds
TONIGHT
NW winds 5 to 10 kt with gusts up to 20 kt, becoming NE after midnight Seas around 2 ft Wave Detail: W 2 ft at 3 seconds and E 1 foot at 8 seconds
MON
E winds around 5 kt, becoming SE 10 to 15 kt with gusts up to 20 kt in the afternoon Seas 1 foot or less, then around 2 ft in the afternoon Wave Detail: W 1 foot at 2 seconds and NE 1 foot at 6 seconds, becoming SE 2 ft at 3 seconds and E 2 ft at 6 seconds
MON NIGHT
S winds 10 to 15 kt, becoming SW after midnight Seas around 2 ft Wave Detail: SE 2 ft at 4 seconds and E 1 foot at 7 seconds
TUE AND TUE NIGHT
SW winds 15 to 20 kt with gusts up to 25 kt Seas 2 to 3 ft Wave Detail: SW 3 ft at 4 seconds and E 1 foot at 7 seconds
WED AND WED NIGHT
SW winds 10 to 15 kt, becoming W Gusts up to 25 kt Seas 2 to 3 ft Wave Detail: W 3 ft at 3 seconds and E 1 foot at 9 seconds Showers likely
THU AND THU NIGHT
N winds 10 to 15 kt, becoming NW 5 to 10 kt Seas around 2 ft
Reporting time 07:03 AM EDT Sun May 17 2026

Cape Cod Bay

TODAY
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 9 seconds
TONIGHT
W winds 10 to 15 kt with gusts up to 20 kt, becoming NE 5 to 10 kt after midnight Seas around 2 ft in the evening, then 1 foot or less Wave Detail: W 1 foot at 3 seconds and SE 1 foot at 9 seconds, becoming NW 1 foot at 3 seconds and E 1 foot at 8 seconds
MON
E winds 5 to 10 kt Seas 1 foot or less, then around 2 ft in the afternoon Wave Detail: NE 1 foot at 2 seconds and NW 1 foot at 3 seconds, becoming E 1 foot at 3 seconds
MON NIGHT
S winds 10 to 15 kt Gusts up to 20 kt after midnight Seas around 2 ft Wave Detail: S 1 foot at 2 seconds and NE 1 foot at 4 seconds
TUE AND TUE NIGHT
SW winds 15 to 20 kt with gusts up to 25 kt Seas 2 to 4 ft Wave Detail: SW 2 ft at 3 seconds and E 1 foot at 4 seconds
WED AND WED NIGHT
SW winds 15 to 20 kt, becoming W 10 to 15 kt Gusts up to 25 kt Seas 2 to 4 ft Wave Detail: SW 2 ft at 3 seconds and SE 1 foot at 10 seconds A chance of showers
THU AND THU NIGHT
N winds 10 to 15 kt with gusts up to 20 kt, becoming NW around 5 kt Seas around 2 ft, then 1 foot or less
Reporting time 07:03 AM EDT Sun May 17 2026

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

SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON
Reporting time 07:03 AM EDT Sun May 17 2026

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

SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON
Reporting time 07:03 AM EDT Sun May 17 2026

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

SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON
Reporting time 07:03 AM EDT Sun May 17 2026

Nantucket Sound

TODAY
SW winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 4 ft Wave Detail: SW 3 ft at 4 seconds and E 1 foot at 9 seconds
TONIGHT
W winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt after midnight Seas 2 to 3 ft Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at 9 seconds
MON
E winds 5 to 10 kt Seas around 2 ft Wave Detail: E 1 foot at 5 seconds and SW 1 foot at 5 seconds
MON NIGHT
S winds 10 to 15 kt Gusts up to 20 kt after midnight Seas around 2 ft Wave Detail: SW 2 ft at 3 seconds and E 1 foot at 7 seconds
TUE AND TUE NIGHT
SW winds 15 to 20 kt with gusts up to 25 kt Seas 2 to 4 ft Wave Detail: SW 3 ft at 4 seconds and SE 1 foot at 9 seconds
WED
SW winds 15 to 20 kt with gusts up to 25 kt Seas 3 to 4 ft Wave Detail: SW 3 ft at 4 seconds and SE 1 foot at 9 seconds
WED NIGHT
W winds 15 to 20 kt with gusts up to 25 kt Seas 2 to 4 ft A chance of showers
THU AND THU NIGHT
N winds 10 to 15 kt, diminishing to 5 to 10 kt Seas around 2 ft
Reporting time 07:03 AM EDT Sun May 17 2026

Vineyard Sound

TODAY
SW winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 4 ft Wave Detail: SW 4 ft at 7 seconds and SE 2 ft at 9 seconds
TONIGHT
SW winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt after midnight Seas 2 to 3 ft Wave Detail: SW 3 ft at 7 seconds and SE 2 ft at 9 seconds
MON
E winds 5 to 10 kt, becoming SE in the afternoon Seas around 2 ft Wave Detail: SW 2 ft at 7 seconds and E 1 foot at 8 seconds
MON NIGHT
S winds 5 to 10 kt, becoming SW 10 to 15 kt after midnight Seas around 2 ft Wave Detail: SE 2 ft at 7 seconds
TUE AND TUE NIGHT
SW winds 15 to 20 kt with gusts up to 25 kt Seas 2 to 4 ft Wave Detail: SW 4 ft at 6 seconds and SE 1 foot at 9 seconds
WED
SW winds 15 to 20 kt with gusts up to 25 kt Seas 3 to 4 ft Wave Detail: SW 4 ft at 7 seconds and SE 1 foot at 13 seconds
WED NIGHT
W winds 15 to 20 kt with gusts up to 25 kt Seas 2 to 4 ft A chance of showers
THU AND THU NIGHT
NE winds 5 to 10 kt, becoming E Seas 2 to 3 ft
Reporting time 07:03 AM EDT Sun May 17 2026

Buzzards Bay

TODAY
SW winds 10 to 15 kt Gusts up to 25 kt this afternoon Seas 2 to 3 ft Wave Detail: SW 3 ft at 6 seconds and SE 2 ft at 9 seconds
TONIGHT
SW winds 10 to 15 kt with gusts up to 20 kt, becoming NE 5 to 10 kt after midnight Seas 2 to 3 ft Wave Detail: SW 3 ft at 6 seconds and SE 2 ft at 9 seconds
MON
E winds 5 to 10 kt, becoming SE in the afternoon Seas around 2 ft Wave Detail: E 1 foot at 2 seconds and SW 1 foot at 7 seconds
MON NIGHT
S winds 5 to 10 kt, becoming SW 10 to 15 kt after midnight Seas around 2 ft Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at 7 seconds
TUE AND TUE NIGHT
SW winds 15 to 20 kt with gusts up to 25 kt Seas 2 to 4 ft Wave Detail: SW 3 ft at 4 seconds and SE 2 ft at 13 seconds
WED
SW winds 15 to 20 kt with gusts up to 30 kt Seas 3 to 4 ft Wave Detail: SW 4 ft at 5 seconds and SE 1 foot at 13 seconds
WED NIGHT
W winds 15 to 20 kt with gusts up to 25 kt Seas 2 to 4 ft A chance of showers
THU AND THU NIGHT
NE winds 5 to 10 kt, becoming SW Seas around 2 ft
Reporting time 07:03 AM EDT Sun May 17 2026

Rhode Island Sound

SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING
Reporting time 07:03 AM EDT Sun May 17 2026

Block Island Sound

SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING
Reporting time 07:03 AM EDT Sun May 17 2026

Boston Harbor

TODAY
W winds 10 to 15 kt Gusts up to 25 kt this afternoon Waves around 2 ft
TONIGHT
NW winds 5 to 10 kt with gusts up to 20 kt, becoming NE after midnight Waves around 2 ft in the evening, then 1 foot or less
MON
E winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon Waves 1 foot or less, then around 2 ft in the afternoon
MON NIGHT
S winds 10 to 15 kt, becoming SW after midnight Waves around 2 ft
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 10 to 15 kt, becoming W Gusts up to 25 kt Waves around 2 ft Showers likely
THU AND THU NIGHT
N winds 10 to 15 kt, diminishing to 5 to 10 kt Waves around 2 ft, then 1 foot or less
Reporting time 07:03 AM EDT Sun May 17 2026

Narragansett Bay

TODAY
SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 25 kt this afternoon Waves 2 to 3 ft
TONIGHT
SW winds 10 to 15 kt with gusts up to 20 kt, becoming NE 5 to 10 kt after midnight Waves 2 to 3 ft
MON
E winds 5 to 10 kt, becoming SE in the afternoon Waves around 2 ft
MON NIGHT
S winds 5 to 10 kt Waves around 2 ft
TUE AND TUE NIGHT
SW winds 10 to 15 kt with gusts up to 25 kt Waves 2 to 3 ft
WED
SW winds 15 to 20 kt with gusts up to 25 kt Waves 2 to 3 ft A chance of showers
WED NIGHT
W winds 10 to 15 kt with gusts up to 20 kt Waves 2 to 3 ft A chance of showers
THU AND THU NIGHT
N winds 5 to 10 kt, becoming W Waves around 2 ft
Reporting time 07:03 AM EDT Sun May 17 2026

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

TODAY
SW winds 15 to 20 kt, diminishing to 10 to 15 kt this afternoon Gusts up to 25 kt Seas 4 to 6 ft Wave Detail: W 5 ft at 5 seconds and SE 4 ft at 9 seconds
TONIGHT
W winds 5 to 10 kt with gusts up to 20 kt, becoming N after midnight Seas 3 to 4 ft Wave Detail: W 3 ft at 4 seconds and SE 3 ft at 8 seconds
MON
E winds 5 to 10 kt, becoming SE in the afternoon Seas 2 to 3 ft Wave Detail: E 3 ft at 7 seconds and W 1 foot at 3 seconds
MON NIGHT
S winds 10 to 15 kt with gusts up to 20 kt Seas 3 to 4 ft Wave Detail: S 3 ft at 4 seconds and SE 3 ft at 8 seconds
TUE
SW winds 15 to 20 kt Gusts up to 20 kt, increasing to 30 kt in the afternoon Seas 3 to 5 ft Wave Detail: S 5 ft at 6 seconds and SE 2 ft at 9 seconds
TUE NIGHT
SW winds around 20 kt with gusts up to 30 kt Seas 4 to 6 ft Wave Detail: SW 6 ft at 6 seconds and SE 1 foot at 16 seconds
WED AND WED NIGHT
SW winds 20 to 25 kt, becoming W 15 to 20 kt Gusts up to 30 kt Seas 4 to 6 ft A chance of showers
THU AND THU NIGHT
NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt Seas 2 to 4 ft
Reporting time 07:03 AM EDT Sun May 17 2026

Ocean Waters from Provincetown to Nantucket from 20 to 60 NM

TODAY
SW winds 15 to 20 kt, diminishing to 10 to 15 kt this afternoon Gusts up to 25 kt Seas 4 to 6 ft Wave Detail: SW 6 ft at 7 seconds and SE 4 ft at 9 seconds
TONIGHT
SW winds 10 to 15 kt with gusts up to 20 kt, becoming N after midnight Seas 3 to 5 ft Wave Detail: SW 4 ft at 7 seconds and S 3 ft at 8 seconds Patchy fog in the evening with vsby 1 to 3 NM
MON
E winds around 10 kt, becoming SE in the afternoon Seas 3 to 4 ft Wave Detail: S 4 ft at 7 seconds and NE 3 ft at 7 seconds
MON NIGHT
S winds 10 to 15 kt Gusts up to 20 kt after midnight Seas around 3 ft Wave Detail: SW 3 ft at 7 seconds and SE 3 ft at 8 seconds
TUE
SW winds 15 to 20 kt with gusts up to 30 kt Seas 3 to 5 ft Wave Detail: SW 5 ft at 6 seconds and SE 2 ft at 9 seconds
TUE NIGHT
SW winds around 20 kt with gusts up to 30 kt Seas 5 to 6 ft Wave Detail: SW 6 ft at 6 seconds and SE 2 ft at 10 seconds
WED
SW winds 20 to 25 kt with gusts up to 30 kt Seas 5 to 6 ft
WED NIGHT
W winds 20 to 25 kt with gusts up to 30 kt Seas 4 to 6 ft A chance of showers
THU AND THU NIGHT
N winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt Seas 3 to 5 ft
Reporting time 07:03 AM EDT Sun May 17 2026

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

TODAY
SW winds 15 to 20 kt, diminishing to 10 to 15 kt this afternoon Gusts up to 25 kt Seas 5 to 6 ft Wave Detail: SW 5 ft at 6 seconds and S 4 ft at 9 seconds
TONIGHT
SW winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt after midnight Seas 4 to 5 ft Wave Detail: SW 5 ft at 7 seconds and SE 3 ft at 8 seconds Patchy fog Vsby 1 to 3 NM
MON
E winds 5 to 10 kt, becoming SE in the afternoon Seas 3 to 4 ft Wave Detail: SW 4 ft at 7 seconds and SE 2 ft at 12 seconds
MON NIGHT
SW winds 10 to 15 kt Seas around 3 ft Wave Detail: S 3 ft at 7 seconds
TUE
SW winds 15 to 20 kt with gusts up to 25 kt Seas 3 to 5 ft Wave Detail: SW 5 ft at 5 seconds and SE 2 ft at 9 seconds
TUE NIGHT
SW winds around 20 kt with gusts up to 25 kt Seas 5 to 6 ft Wave Detail: SW 6 ft at 6 seconds and SE 2 ft at 9 seconds
WED
SW winds around 20 kt with gusts up to 30 kt Seas 5 to 6 ft
WED NIGHT
W winds 15 to 20 kt with gusts up to 30 kt Seas 5 to 6 ft A chance of showers
THU
N winds 10 to 15 kt Seas 3 to 5 ft A chance of showers
THU NIGHT
NE winds 5 to 10 kt Seas 3 to 4 ft
Reporting time 07:03 AM EDT Sun May 17 2026

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

TODAY
SW winds 15 to 20 kt, diminishing to 10 to 15 kt this afternoon Gusts up to 25 kt Seas 4 to 6 ft Wave Detail: SW 5 ft at 7 seconds and SE 3 ft at 9 seconds
TONIGHT
SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight Seas 4 to 5 ft Wave Detail: SW 5 ft at 7 seconds and SE 3 ft at 9 seconds Patchy fog Vsby 1 to 3 NM
MON
E winds 5 to 10 kt, becoming SE in the afternoon Seas 3 to 4 ft Wave Detail: S 4 ft at 7 seconds and SE 2 ft at 8 seconds
MON NIGHT
SW winds 10 to 15 kt Gusts up to 20 kt after midnight Seas around 3 ft Wave Detail: SW 3 ft at 6 seconds and SE 2 ft at 9 seconds
TUE
SW winds 15 to 20 kt with gusts up to 25 kt Seas 3 to 5 ft Wave Detail: SW 5 ft at 5 seconds and SE 2 ft at 9 seconds
TUE NIGHT
SW winds 20 to 25 kt with gusts up to 30 kt Seas 5 to 6 ft Wave Detail: SW 6 ft at 6 seconds and SE 2 ft at 9 seconds
WED
SW winds around 20 kt with gusts up to 30 kt Seas 5 to 6 ft
WED NIGHT
W winds 20 to 25 kt with gusts up to 30 kt Seas 4 to 6 ft A chance of showers
THU
N winds 10 to 15 kt with gusts up to 20 kt Seas 3 to 4 ft A chance of showers
THU NIGHT
E winds 5 to 10 kt Seas 3 to 4 ft
Reporting time 07:03 AM EDT Sun May 17 2026

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