Cape Ann's Marina, MA
05/16/2026 04:00 AM
50°F
TEMPERATURE
Winds 5 mph SW
Partly Cloudy
Mostly clear, with a low around 47. Southwest wind around 6 mph.
Moonrise
05:38 AM
Moonset
09:22 PM
Sunrise
05:19 AM
Moon Phase
Waning crescent
Sunset
07:58 PM

Hourly Forecast

Sat, 04:00 AM

Partly Cloudy
Winds: 5 mph SW
50°

Sat, 05:00 AM

Mostly Clear
Winds: 6 mph SW
49°

Sat, 06:00 AM

Sunny
Winds: 6 mph SW
50°

Sat, 07:00 AM

Sunny
Winds: 6 mph SW
52°

Sat, 08:00 AM

Sunny
Winds: 6 mph SW
55°

Sat, 09:00 AM

Sunny
Winds: 6 mph SW
61°

Sat, 10:00 AM

Sunny
Winds: 6 mph SW
65°

Sat, 11:00 AM

Sunny
Winds: 7 mph SW
68°

Sat, 12:00 PM

Sunny
Winds: 8 mph SW
69°

Sat, 01:00 PM

Sunny
Winds: 8 mph SW
70°

Sat, 02:00 PM

Sunny
Winds: 9 mph S
71°

Sat, 03:00 PM

Sunny
Winds: 9 mph S
73°

Sat, 04:00 PM

Sunny
Winds: 8 mph S
73°

Sat, 05:00 PM

Sunny
Winds: 8 mph S
73°

Sat, 06:00 PM

Mostly Clear
Winds: 8 mph S
75°

Sat, 07:00 PM

Partly Cloudy
Winds: 8 mph S
71°

Sat, 08:00 PM

Mostly Clear
Winds: 9 mph S
69°

Sat, 09:00 PM

Mostly Clear
Winds: 9 mph S
64°

Sat, 10:00 PM

Partly Cloudy
Winds: 9 mph SW
62°

Sat, 11:00 PM

Partly Cloudy
Winds: 9 mph SW
61°

Sun, 12:00 AM

Mostly Clear
Winds: 9 mph SW
61°

Sun, 01:00 AM

Partly Cloudy
Winds: 8 mph SW
61°

Sun, 02:00 AM

Partly Cloudy
Winds: 8 mph SW
61°

Sun, 03:00 AM

Mostly Cloudy
Winds: 8 mph SW
61°

Overnight

Mostly Clear
47°
Winds: 6 mph SW
Mostly clear, with a low around 47. Southwest wind around 6 mph.

Saturday

Sunny
77°
Winds: 6 to 9 mph SW
Sunny, with a high near 77. Southwest wind 6 to 9 mph.

Saturday Night

Partly Cloudy then Slight Chance Rain Showers
58°
Winds: 9 mph SW
A slight chance of rain showers between 4am and 5am. Partly cloudy, with a low around 58. Southwest wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

Sunday

Sunny
82°
Winds: 8 mph W
Sunny, with a high near 82. West wind around 8 mph.

Sunday Night

Mostly Clear
52°
Winds: 2 to 6 mph N
Mostly clear, with a low around 52. North wind 2 to 6 mph.

Monday

Mostly Sunny
70°
Winds: 2 to 9 mph E
Mostly sunny, with a high near 70. East wind 2 to 9 mph.

Monday Night

Mostly Clear
57°
Winds: 9 mph S
Mostly clear, with a low around 57. South wind around 9 mph.

Tuesday

Sunny then Slight Chance Rain Showers
85°
Winds: 7 to 10 mph SW
A slight chance of rain showers after 4pm. Sunny, with a high near 85. Southwest wind 7 to 10 mph.

Tuesday Night

Slight Chance Rain Showers then Partly Cloudy
63°
Winds: 8 mph SW
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 63. Southwest wind around 8 mph.

Wednesday

Mostly Sunny then Chance Rain Showers
83°
Winds: 7 to 10 mph SW
A chance of rain showers after 1pm. Mostly sunny, with a high near 83. Southwest wind 7 to 10 mph. Chance of precipitation is 40%.

Wednesday Night

Chance Rain Showers
54°
Winds: 8 mph W
A chance of rain showers before 5am. Mostly cloudy, with a low around 54. West wind around 8 mph. Chance of precipitation is 40%.

Thursday

Slight Chance Rain Showers
70°
Winds: 6 mph W
A slight chance of rain showers after 7am. Partly sunny, with a high near 70. West wind around 6 mph.

Thursday Night

Partly Cloudy
49°
Winds: 5 mph NW
Partly cloudy, with a low around 49. Northwest wind around 5 mph.

Friday

Mostly Sunny
64°
Winds: 6 mph E
Mostly sunny, with a high near 64. East wind around 6 mph.

Coastal Waters Forecast for Massachusetts and Rhode Island

National Weather Service Boston/Norton MA

for Massachusetts and Rhode Island coastal waters. A Bermuda high develops over the weekend into early next week, providing tranquil boating weather across the MA and RI waters. Next trough of low pressure may arrive around Wednesday.

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 THROUGH LATE TONIGHT
Reporting time 04:03 AM EDT Sat May 16 2026

Massachusetts Bay and Ipswich Bay

SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
Reporting time 04:03 AM EDT Sat May 16 2026

Cape Cod Bay

SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS EVENING
Reporting time 04:03 AM EDT Sat May 16 2026

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

SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
Reporting time 04:03 AM EDT Sat May 16 2026

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

SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
Reporting time 04:03 AM EDT Sat May 16 2026

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

SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
Reporting time 04:03 AM EDT Sat May 16 2026

Nantucket Sound

SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS EVENING
Reporting time 04:03 AM EDT Sat May 16 2026

Vineyard Sound

SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS EVENING
Reporting time 04:03 AM EDT Sat May 16 2026

Buzzards Bay

SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS EVENING
Reporting time 04:03 AM EDT Sat May 16 2026

Rhode Island Sound

SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
Reporting time 04:03 AM EDT Sat May 16 2026

Block Island Sound

SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
Reporting time 04:03 AM EDT Sat May 16 2026

Boston Harbor

TODAY
SW winds 10 to 15 kt Gusts up to 20 kt this afternoon Waves 1 foot or less, then around 2 ft this afternoon
TONIGHT
SW winds 10 to 15 kt with gusts up to 20 kt Waves around 2 ft
SUN
W winds 10 to 15 kt Gusts up to 20 kt in the afternoon Waves around 2 ft
SUN NIGHT
NW winds 5 to 10 kt, becoming NE after midnight Waves around 2 ft in the evening, then 1 foot or less
MON
E winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 20 kt in the afternoon Waves 1 foot or less, then around 2 ft in the afternoon
MON NIGHT
S winds 10 to 15 kt 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 with gusts up to 20 kt Waves around 2 ft A chance of showers
Reporting time 04:03 AM EDT Sat May 16 2026

Narragansett Bay

TODAY
SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt this afternoon Waves 2 to 3 ft
TONIGHT
SW winds 10 to 15 kt with gusts up to 25 kt Waves 2 to 3 ft
SUN
SW winds 5 to 10 kt, becoming W 10 to 15 kt in the afternoon Waves 2 to 3 ft
SUN NIGHT
W winds 5 to 10 kt, becoming N after midnight Waves 2 to 3 ft
MON
E winds 5 to 10 kt, becoming S in the afternoon Waves around 2 ft
MON NIGHT
S winds 5 to 10 kt Waves around 2 ft
TUE THROUGH WED
SW winds 10 to 15 kt with gusts up to 25 kt Waves 2 to 3 ft
WED NIGHT
SW winds 10 to 15 kt with gusts up to 20 kt Waves 2 to 3 ft A chance of showers
Reporting time 04:03 AM EDT Sat May 16 2026

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

TODAY
SW winds 10 to 15 kt, increasing to 15 to 20 kt this afternoon Gusts up to 25 kt Seas 5 to 6 ft Wave Detail: E 5 ft at 10 seconds and SW 3 ft at 4 seconds
TONIGHT
SW winds 15 to 20 kt with gusts up to 30 kt Seas 5 to 6 ft Wave Detail: S 5 ft at 6 seconds and E 4 ft at 9 seconds
SUN
SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon Gusts up to 25 kt Seas 4 to 6 ft Wave Detail: W 5 ft at 6 seconds and SE 4 ft at 9 seconds
SUN NIGHT
NW winds around 10 kt, becoming N after midnight Seas 3 to 4 ft Wave Detail: S 3 ft at 8 seconds and W 2 ft at 4 seconds
MON
NE winds 5 to 10 kt, becoming SE in the afternoon Seas 2 to 4 ft Wave Detail: SE 3 ft at 8 seconds and NW 2 ft at 3 seconds
MON NIGHT
S winds 10 to 15 kt with gusts up to 20 kt Seas 2 to 4 ft Wave Detail: S 3 ft at 4 seconds and SE 2 ft at 8 seconds
TUE
SW winds 15 to 20 kt with gusts up to 25 kt Seas 3 to 5 ft
TUE NIGHT
SW winds 15 to 20 kt with gusts up to 30 kt Seas 4 to 6 ft
WED
SW winds 15 to 20 kt with gusts up to 30 kt Seas 3 to 5 ft
WED NIGHT
SW winds 15 to 20 kt with gusts up to 30 kt Seas 3 to 5 ft A chance of showers
Reporting time 04:03 AM EDT Sat May 16 2026

Ocean Waters from Provincetown to Nantucket from 20 to 60 NM

TODAY
SW winds 10 to 15 kt, increasing to 15 to 20 kt with gusts up to 25 kt this afternoon Seas 5 to 6 ft Wave Detail: E 6 ft at 10 seconds and SW 3 ft at 8 seconds Patchy fog Vsby 1 NM or less
TONIGHT
SW winds 15 to 20 kt with gusts up to 30 kt Seas 5 to 6 ft Wave Detail: SW 5 ft at 6 seconds and SE 4 ft at 9 seconds Patchy fog in the evening with vsby 1 NM or less
SUN
SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the 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
SUN NIGHT
W winds 10 to 15 kt, becoming N after midnight Seas 4 to 5 ft Wave Detail: W 4 ft at 7 seconds and S 3 ft at 8 seconds
MON
NE winds 5 to 10 kt, becoming SE in the afternoon Seas 3 to 4 ft Wave Detail: SW 3 ft at 7 seconds and E 3 ft at 8 seconds
MON NIGHT
S winds 10 to 15 kt with gusts up to 20 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
TUE NIGHT AND WED
SW winds 15 to 20 kt with gusts up to 30 kt Seas 5 to 6 ft
WED NIGHT
SW winds 15 to 20 kt with gusts up to 30 kt Seas 4 to 6 ft A chance of showers
Reporting time 04:03 AM EDT Sat May 16 2026

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

TODAY
SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt this afternoon Seas 5 to 6 ft Wave Detail: E 5 ft at 10 seconds and SW 3 ft at 9 seconds Patchy fog Vsby 1 NM or less
TONIGHT
SW winds 15 to 20 kt with gusts up to 25 kt Seas 5 to 6 ft Wave Detail: SW 5 ft at 6 seconds and E 4 ft at 9 seconds Patchy fog in the evening with vsby 1 to 3 NM
SUN
SW winds 15 to 20 kt with gusts up to 25 kt Seas 5 to 6 ft Wave Detail: SW 6 ft at 6 seconds and SE 3 ft at 9 seconds
SUN NIGHT
W winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight Seas 4 to 6 ft Wave Detail: SW 4 ft at 7 seconds and S 3 ft at 8 seconds
MON
E winds 5 to 10 kt, becoming SE in the afternoon Seas 3 to 4 ft Wave Detail: SW 3 ft at 7 seconds and SE 2 ft at 8 seconds
MON NIGHT
S winds 10 to 15 kt Seas around 3 ft Wave Detail: S 2 ft at 7 seconds
TUE
SW winds 15 to 20 kt with gusts up to 25 kt Seas 3 to 5 ft
TUE NIGHT AND WED
SW winds 15 to 20 kt with gusts up to 25 kt Seas 5 to 6 ft
WED NIGHT
SW winds 15 to 20 kt with gusts up to 25 kt Seas 5 to 6 ft A chance of showers
Reporting time 04:03 AM EDT Sat May 16 2026

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

TODAY
SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt this afternoon Seas 4 to 5 ft Wave Detail: E 5 ft at 10 seconds and SW 3 ft at 9 seconds Patchy fog this morning with vsby 1 NM or less
TONIGHT
SW winds 15 to 20 kt with gusts up to 30 kt Seas 5 to 7 ft Wave Detail: SW 6 ft at 6 seconds and E 4 ft at 9 seconds
SUN
SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon Gusts up to 25 kt Seas 5 to 7 ft Wave Detail: SW 6 ft at 7 seconds and E 3 ft at 9 seconds
SUN NIGHT
SW winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight Seas 4 to 6 ft Wave Detail: SW 4 ft at 7 seconds and SE 2 ft at 8 seconds
MON
E winds around 10 kt, becoming SE in the afternoon Seas 3 to 4 ft Wave Detail: SW 3 ft at 7 seconds and SE 2 ft at 8 seconds
MON NIGHT
S winds 10 to 15 kt Seas around 3 ft Wave Detail: S 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
TUE NIGHT AND WED
SW winds around 20 kt with gusts up to 25 kt Seas 5 to 6 ft
WED NIGHT
SW winds 15 to 20 kt with gusts up to 25 kt Seas 5 to 6 ft A chance of showers
Reporting time 04:03 AM EDT Sat May 16 2026

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