Expires:202411221300;;449212
FZUS51 KBOX 220005
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
704 PM EST Thu Nov 21 2024

Coastal waters from the Merrimack River MA to Watch Hill RI out
to 25 NM


ANZ255-221300-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
704 PM EST Thu Nov 21 2024

...GALE WARNING IN EFFECT UNTIL 4 AM EST FRIDAY...

.TONIGHT...E winds 20 to 25 kt, becoming SW 25 to 30 kt after
midnight. Seas 5 to 8 ft, building to 7 to 10 ft after midnight.
Wave Detail: E 7 ft at 6 seconds and S 2 ft at 10 seconds,
becoming SW 8 ft at 10 seconds and E 6 ft at 7 seconds. Patchy
fog. Rain likely this evening. A chance of rain after midnight.
Vsby 1 to 3 NM. 
.FRI...SW winds 15 to 20 kt, becoming SE 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 6 to 9 ft, subsiding to 5 to
7 ft in the afternoon. Wave Detail: SW 8 ft at 9 seconds and E
4 ft at 7 seconds, becoming SW 6 ft at 8 seconds and E 3 ft at
7 seconds. A chance of rain in the morning, then rain likely in
the afternoon. Patchy fog in the afternoon with vsby 1 to 3 NM. 
.FRI NIGHT...E winds 10 to 15 kt with gusts up to 20 kt, becoming
NW after midnight. Seas 4 to 6 ft. Wave Detail: SW 5 ft at
8 seconds and E 3 ft at 7 seconds. Patchy fog. Rain likely,
mainly in the evening with vsby 1 to 3 NM. 
.SAT...NW winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. Seas 4 to 6 ft, building to 6 to 9 ft in the
afternoon. Wave Detail: SW 6 ft at 8 seconds and E 3 ft at
7 seconds, becoming W 8 ft at 8 seconds and E 3 ft at 7 seconds.
Rain.
.SAT NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas
7 to 10 ft. Wave Detail: W 9 ft at 8 seconds and E 2 ft at
7 seconds. Rain likely, mainly in the evening. 
.SUN...W winds 25 to 30 kt with gusts up to 35 kt. Seas 7 to
10 ft. Wave Detail: W 9 ft at 8 seconds and NE 1 foot at
8 seconds. 
.SUN NIGHT...NW winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. Seas 6 to 9 ft, subsiding to 5 to 7 ft after
midnight. 
.MON...W winds 15 to 20 kt. Seas 3 to 5 ft. 
.MON NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers. 
.TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of showers. 
.TUE NIGHT...NW winds 20 to 25 kt. Seas 5 to 7 ft.  

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$