Cape Ann's Marina, MA
08/15/2026 06:00 PM
71°F
TEMPERATURE
Winds 6 mph S
Mostly Clear
Mostly clear, with a low around 60. Southwest wind 2 to 6 mph.
Moonrise
10:07 AM
Moonset
10:00 PM
Sunrise
05:49 AM
Moon Phase
Waxing crescent
Sunset
07:44 PM

Hourly Forecast

Sat, 06:00 PM

Mostly Clear
Winds: 6 mph S
71°

Sat, 07:00 PM

Mostly Clear
Winds: 5 mph S
71°

Sat, 08:00 PM

Clear
Winds: 3 mph S
67°

Sat, 09:00 PM

Clear
Winds: 3 mph S
66°

Sat, 10:00 PM

Clear
Winds: 3 mph S
66°

Sat, 11:00 PM

Mostly Clear
Winds: 2 mph SW
65°

Sun, 12:00 AM

Mostly Clear
Winds: 2 mph W
64°

Sun, 01:00 AM

Mostly Clear
Winds: 2 mph NW
62°

Sun, 02:00 AM

Mostly Clear
Winds: 3 mph N
61°

Sun, 03:00 AM

Mostly Clear
Winds: 3 mph N
60°

Sun, 04:00 AM

Mostly Clear
Winds: 3 mph N
60°

Sun, 05:00 AM

Clear
Winds: 5 mph N
60°

Sun, 06:00 AM

Sunny
Winds: 3 mph N
61°

Sun, 07:00 AM

Sunny
Winds: 3 mph N
62°

Sun, 08:00 AM

Mostly Sunny
Winds: 3 mph NE
64°

Sun, 09:00 AM

Sunny
Winds: 3 mph NE
66°

Sun, 10:00 AM

Sunny
Winds: 3 mph E
68°

Sun, 11:00 AM

Mostly Sunny
Winds: 3 mph E
70°

Sun, 12:00 PM

Sunny
Winds: 5 mph SE
72°

Sun, 01:00 PM

Mostly Sunny
Winds: 6 mph SE
73°

Sun, 02:00 PM

Mostly Sunny
Winds: 7 mph SE
74°

Sun, 03:00 PM

Sunny
Winds: 8 mph SE
74°

Sun, 04:00 PM

Mostly Sunny
Winds: 9 mph SE
74°

Sun, 05:00 PM

Mostly Sunny
Winds: 9 mph SE
74°

Tonight

Mostly Clear
60°
Winds: 2 to 6 mph SW
Mostly clear, with a low around 60. Southwest wind 2 to 6 mph.

Sunday

Mostly Sunny
74°
Winds: 3 to 9 mph E
Mostly sunny, with a high near 74. East wind 3 to 9 mph.

Sunday Night

Mostly Cloudy then Chance Rain Showers
67°
Winds: 10 mph S
A chance of rain showers after 2am. Mostly cloudy, with a low around 67. South wind around 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Monday

Rain Showers
74°
Winds: 9 to 13 mph S
A chance of rain showers before 7am, then rain showers and patchy fog. Mostly cloudy, with a high near 74. South wind 9 to 13 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Monday Night

Rain Showers Likely
65°
Winds: 5 to 8 mph NE
Rain showers likely before 3am. Mostly cloudy, with a low around 65. Northeast wind 5 to 8 mph. Chance of precipitation is 60%.

Tuesday

Mostly Sunny
74°
Winds: 6 mph NE
Mostly sunny, with a high near 74. Northeast wind around 6 mph.

Tuesday Night

Mostly Clear
64°
Winds: 3 mph S
Mostly clear, with a low around 64. South wind around 3 mph.

Wednesday

Sunny
87°
Winds: 2 to 8 mph S
Sunny, with a high near 87. South wind 2 to 8 mph.

Wednesday Night

Partly Cloudy then Chance Rain Showers
68°
Winds: 7 mph S
A chance of rain showers after 2am. Partly cloudy, with a low around 68. South wind around 7 mph. Chance of precipitation is 30%.

Thursday

Chance Rain Showers
84°
Winds: 6 mph NW
A chance of rain showers. Partly sunny, with a high near 84. Northwest wind around 6 mph. Chance of precipitation is 40%.

Thursday Night

Chance Rain Showers then Partly Cloudy
63°
Winds: 6 mph NW
A chance of rain showers before 8pm. Partly cloudy, with a low around 63. Northwest wind around 6 mph. Chance of precipitation is 30%.

Friday

Mostly Sunny
79°
Winds: 7 mph NE
Mostly sunny, with a high near 79. Northeast wind around 7 mph.

Friday Night

Partly Cloudy
62°
Winds: 5 mph S
Partly cloudy, with a low around 62. South wind around 5 mph.

Saturday

Mostly Sunny then Slight Chance Rain Showers
79°
Winds: 3 to 7 mph E
A slight chance of rain showers after 3pm. Mostly sunny, with a high near 79. East wind 3 to 7 mph.

Coastal Waters Forecast for Massachusetts and Rhode Island

National Weather Service Boston/Norton MA

for Massachusetts and Rhode Island coastal waters. High pres shifts east of the waters Sun night. Low pres then approaches from the west bringing gusty S winds and building seas that have prompted Small Craft Advisories late Sun night into Mon. The associated cold front crosses the region late Mon into Mon night. High pres returns Tue through the middle of next week.

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 MONDAY EVENING
Reporting time 04:03 PM EDT Sat Aug 15 2026

Massachusetts Bay and Ipswich Bay

SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING
Reporting time 04:03 PM EDT Sat Aug 15 2026

Cape Cod Bay

SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING
Reporting time 04:03 PM EDT Sat Aug 15 2026

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

SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING
Reporting time 04:03 PM EDT Sat Aug 15 2026

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

SMALL CRAFT ADVISORY IN EFFECT FROM LATE SUNDAY NIGHT THROUGH LATE MONDAY NIGHT
Reporting time 04:03 PM EDT Sat Aug 15 2026

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

SMALL CRAFT ADVISORY IN EFFECT FROM LATE SUNDAY NIGHT THROUGH LATE MONDAY NIGHT
Reporting time 04:03 PM EDT Sat Aug 15 2026

Nantucket Sound

SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING
Reporting time 04:03 PM EDT Sat Aug 15 2026

Vineyard Sound

SMALL CRAFT ADVISORY IN EFFECT FROM LATE SUNDAY NIGHT THROUGH LATE MONDAY NIGHT
Reporting time 04:03 PM EDT Sat Aug 15 2026

Buzzards Bay

SMALL CRAFT ADVISORY IN EFFECT FROM LATE SUNDAY NIGHT THROUGH LATE MONDAY NIGHT
Reporting time 04:03 PM EDT Sat Aug 15 2026

Rhode Island Sound

SMALL CRAFT ADVISORY IN EFFECT FROM LATE SUNDAY NIGHT THROUGH LATE MONDAY NIGHT
Reporting time 04:03 PM EDT Sat Aug 15 2026

Block Island Sound

SMALL CRAFT ADVISORY IN EFFECT FROM LATE SUNDAY NIGHT THROUGH LATE MONDAY NIGHT
Reporting time 04:03 PM EDT Sat Aug 15 2026

Boston Harbor

TONIGHT
S winds 5 to 10 kt, becoming NW after midnight Waves 1 foot or less
SUN
N winds around 5 kt, becoming E in the afternoon Waves 1 foot or less, then around 2 ft in the afternoon
SUN NIGHT
S winds 10 to 15 kt Waves around 2 ft A chance of showers after midnight
MON
S winds 10 to 15 kt with gusts up to 20 kt Waves around 2 ft Showers
MON NIGHT
NE winds 5 to 10 kt, becoming N after midnight Waves 1 foot or less A chance of showers in the evening
TUE AND TUE NIGHT
SW winds 5 to 10 kt Waves 1 foot or less
WED
S winds 5 to 10 kt Waves 1 foot or less
WED NIGHT AND THU
SW winds 5 to 10 kt Waves 1 foot or less A chance of showers
THU NIGHT
NW winds 5 to 10 kt Waves 1 foot or less A chance of showers
Reporting time 04:03 PM EDT Sat Aug 15 2026

Narragansett Bay

TONIGHT
SW winds 5 to 10 kt, becoming NW after midnight Waves 1 foot or less
SUN
N winds around 5 kt, becoming S 10 to 15 kt in the afternoon Waves 1 foot or less, then around 2 ft in the afternoon
SUN NIGHT
S winds 10 to 15 kt, increasing to 15 to 20 kt after midnight Waves 2 to 3 ft A chance of showers after midnight
MON
S winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon Gusts up to 25 kt Waves 2 to 4 ft Showers likely Patchy fog in the morning
MON NIGHT
NW winds 5 to 10 kt Waves 2 to 3 ft A chance of showers in the evening
TUE AND TUE NIGHT
W winds 5 to 10 kt Waves 2 to 3 ft
WED AND WED NIGHT
SW winds 10 to 15 kt, diminishing to 5 to 10 kt Waves around 2 ft
THU
SW winds 5 to 10 kt Waves around 2 ft A chance of showers
THU NIGHT
NW winds 5 to 10 kt Waves around 2 ft A chance of showers
Reporting time 04:03 PM EDT Sat Aug 15 2026

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

TONIGHT
SW winds around 5 kt, becoming NW after midnight Seas around 2 ft Wave Detail: N 1 foot at 4 seconds and SE 1 foot at 10 seconds
SUN
NE winds around 5 kt, becoming S in the afternoon Seas around 2 ft Wave Detail: SW 2 ft at 4 seconds and N 1 foot at 3 seconds
SUN NIGHT
S winds 10 to 15 kt with gusts up to 25 kt Seas 2 to 4 ft Wave Detail: S 3 ft at 4 seconds and N 1 foot at 3 seconds
MON
S winds 15 to 20 kt with gusts up to 25 kt Seas 4 to 6 ft Wave Detail: SE 4 ft at 5 seconds and SE 1 foot at 9 seconds A chance of showers in the morning, then showers in the afternoon
MON NIGHT
SE winds 10 to 15 kt with gusts up to 20 kt, becoming NE after midnight Seas 4 to 5 ft Wave Detail: SE 4 ft at 5 seconds and SE 3 ft at 10 seconds A chance of showers
TUE
N winds 5 to 10 kt Seas 3 to 5 ft Wave Detail: SE 4 ft at 7 seconds and W 2 ft at 7 seconds
TUE NIGHT
NE winds around 5 kt, becoming W after midnight Seas 2 to 4 ft
WED AND WED NIGHT
SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft
THU AND THU NIGHT
SW winds 10 to 15 kt, becoming NW Gusts up to 20 kt Seas 2 to 3 ft A chance of showers
Reporting time 04:03 PM EDT Sat Aug 15 2026

Ocean Waters from Provincetown to Nantucket from 20 to 60 NM

TONIGHT
NW winds around 5 kt Seas around 2 ft Wave Detail: NW 2 ft at 5 seconds and SE 1 foot at 10 seconds
SUN
E winds around 5 kt, becoming S in the afternoon Seas around 2 ft Wave Detail: N 1 foot at 4 seconds and SW 1 foot at 5 seconds
SUN NIGHT
S winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 3 ft Wave Detail: S 3 ft at 4 seconds and N 1 foot at 4 seconds
MON
S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon Gusts up to 25 kt Seas 3 to 5 ft, building to 5 to 8 ft in the afternoon Wave Detail: S 3 ft at 4 seconds and NE 1 foot at 3 seconds, becoming SE 4 ft at 5 seconds and SE 1 foot at 10 seconds A chance of showers in the morning, then showers likely in the afternoon
MON NIGHT
S winds 10 to 15 kt with gusts up to 25 kt, becoming W after midnight Seas 5 to 8 ft, subsiding to 5 to 6 ft after midnight Wave Detail: S 5 ft at 6 seconds and SE 5 ft at 10 seconds, becoming SE 6 ft at 6 seconds Showers likely, mainly in the evening
TUE
N winds 5 to 10 kt Seas 4 to 6 ft Wave Detail: SW 6 ft at 7 seconds and NE 2 ft at 5 seconds
TUE NIGHT
N winds 5 to 10 kt, becoming NW after midnight Seas 3 to 4 ft
WED AND WED NIGHT
SW winds 5 to 10 kt Gusts up to 20 kt Seas 2 to 3 ft
THU AND THU NIGHT
SW winds around 10 kt, becoming NW Gusts up to 20 kt Seas 2 to 3 ft A chance of showers
Reporting time 04:03 PM EDT Sat Aug 15 2026

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

TONIGHT
NE winds around 5 kt, becoming NW after midnight Seas around 2 ft Wave Detail: N 1 foot at 4 seconds and S 1 foot at 5 seconds
SUN
NE winds around 5 kt, becoming SE in the afternoon Seas around 2 ft Wave Detail: S 2 ft at 6 seconds and N 1 foot at 4 seconds
SUN NIGHT
S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight Seas 2 to 4 ft Wave Detail: S 3 ft at 4 seconds and N 1 foot at 4 seconds
MON
S winds 15 to 20 kt with gusts up to 25 kt Seas 5 to 7 ft, building to 7 to 9 ft in the afternoon Wave Detail: S 4 ft at 5 seconds and NE 1 foot at 3 seconds, becoming S 6 ft at 5 seconds and SE 3 ft at 10 seconds A chance of showers in the morning, then showers in the afternoon
MON NIGHT
SW winds 15 to 20 kt with gusts up to 25 kt, becoming NW around 10 kt after midnight Seas 5 to 8 ft, subsiding to 5 to 6 ft after midnight Wave Detail: S 7 ft at 8 seconds and SE 1 foot at 4 seconds, becoming S 6 ft at 7 seconds and E 1 foot at 3 seconds A chance of showers in the evening
TUE
NW winds 5 to 10 kt Seas 3 to 5 ft Wave Detail: S 5 ft at 7 seconds and NE 1 foot at 3 seconds
TUE NIGHT
NW winds around 5 kt Seas 2 to 4 ft
WED AND WED NIGHT
SW winds 5 to 10 kt Seas 2 to 3 ft
THU
SW winds around 10 kt Seas 2 to 3 ft A chance of showers
THU NIGHT
NW winds around 10 kt Seas around 3 ft A chance of showers
Reporting time 04:03 PM EDT Sat Aug 15 2026

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

TONIGHT
SE winds around 5 kt, becoming SW after midnight Seas around 2 ft Wave Detail: NE 1 foot at 3 seconds and S 1 foot at 6 seconds
SUN
SW winds around 5 kt, becoming S in the afternoon Seas 1 foot or less, then around 2 ft in the afternoon Wave Detail: NE 1 foot at 3 seconds and S 1 foot at 6 seconds, becoming S 2 ft at 6 seconds and NE 1 foot at 2 seconds
SUN NIGHT
S winds 10 to 15 kt, increasing to 15 to 20 kt with gusts up to 25 kt after midnight Seas 2 to 3 ft, building to 4 to 6 ft after midnight Wave Detail: S 2 ft at 4 seconds and SE 1 foot at 9 seconds, becoming S 3 ft at 5 seconds and SE 1 foot at 9 seconds A chance of showers after midnight
MON
S winds 15 to 20 kt with gusts up to 30 kt Seas 6 to 9 ft Wave Detail: S 6 ft at 6 seconds and SE 4 ft at 10 seconds Showers likely
MON NIGHT
W winds 10 to 15 kt with gusts up to 20 kt, becoming NW after midnight Seas 4 to 6 ft Wave Detail: SE 5 ft at 7 seconds
TUE
N winds 5 to 10 kt Seas 3 to 5 ft Wave Detail: SW 5 ft at 7 seconds and E 1 foot at 5 seconds
TUE NIGHT
W winds around 5 kt Seas 2 to 3 ft
WED AND WED NIGHT
SW winds 5 to 10 kt, increasing to 10 to 15 kt Seas 2 to 3 ft
THU AND THU NIGHT
SW winds 10 to 15 kt, becoming NW Seas around 3 ft A chance of showers
Reporting time 04:03 PM EDT Sat Aug 15 2026

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