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Latest Coastal Waters Forecast by KBOX
Issued 12/21/2025 4:05 AM America/New_York.
Valid through 12/21/2025 5:00 PM America/New_York.
fzus51 kbox 210905
cwfbox
expires:202512212200;;961330
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am est sun dec 21 2025
coastal waters from the merrimack river ma to watch hill ri out
to 25 nm
anz235-212200-
rhode island sound-
404 am est sun dec 21 2025
...gale warning in effect through monday morning...
.today...sw winds 25 to 30 kt, becoming w 20 to 25 kt this
afternoon. seas 6 to 9 ft, subsiding to 5 to 7 ft this afternoon.
wave detail: sw 9 ft at 7 seconds and s 6 ft at 9 seconds,
becoming w 7 ft at 7 seconds and s 6 ft at 9 seconds.
.tonight...nw winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: w 6 ft at 7 seconds and se 2 ft at 11 seconds.
.mon...nw winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: nw 4 ft at 5 seconds and se 1 foot at
10 seconds.
.mon night...w winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: w 3 ft at 4 seconds and se
1 foot at 9 seconds. a chance of snow after midnight.
.tue...sw winds 10 to 15 kt, becoming s 15 to 20 kt in the
afternoon. seas 2 to 3 ft, building to 4 to 6 ft in the
afternoon. wave detail: sw 2 ft at 5 seconds and se 1 foot at
10 seconds, becoming sw 4 ft at 5 seconds and se 1 foot at
10 seconds. rain. a chance of snow in the morning with vsby 1 to
3 nm.
.tue night...w winds 15 to 20 kt, becoming nw 20 to 25 kt with
gusts up to 30 kt after midnight. seas 5 to 7 ft. wave detail: w
5 ft at 6 seconds and se 1 foot at 10 seconds. rain likely in the
evening.
.wed...nw winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft.
.wed night and thu...nw winds 10 to 15 kt, becoming w. gusts up
to 20 kt. seas 2 to 3 ft.
.thu night...w winds 10 to 15 kt. seas 2 to 3 ft. a chance of
rain.
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.
$$
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Latest Coastal Waters Forecast by KBOX
Issued 12/21/2025 4:05 AM America/New_York.
Valid through 12/21/2025 5:00 PM America/New_York.
fzus51 kbox 210905
cwfbox
expires:202512212200;;961333
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am est sun dec 21 2025
coastal waters from the merrimack river ma to watch hill ri out
to 25 nm
anz236-212200-
narragansett bay-
404 am est sun dec 21 2025
...small craft advisory in effect through monday morning...
.today...sw winds 20 to 25 kt, becoming nw 15 to 20 kt this
afternoon. gusts up to 30 kt. waves 4 to 6 ft, subsiding to 3 ft
this afternoon.
.tonight...nw winds 15 to 20 kt with gusts up to 30 kt. waves
2 to 3 ft.
.mon...nw winds 10 to 15 kt. gusts up to 30 kt, decreasing to
20 kt in the afternoon. waves 2 to 3 ft.
.mon night...w winds 5 to 10 kt. gusts up to 20 kt in the
evening. waves around 2 ft. a chance of snow after midnight.
.tue...sw winds 5 to 10 kt, becoming s 10 to 15 kt in the
afternoon. waves 2 to 3 ft. rain. snow likely in the morning.
vsby 1 to 3 nm.
.tue night...w winds 10 to 15 kt, becoming nw 15 to 20 kt after
midnight. gusts up to 25 kt. waves 2 to 3 ft. rain likely in the
evening with vsby 1 to 3 nm.
.wed through thu...sw winds 15 to 20 kt with gusts up to 25 kt.
waves 2 to 3 ft.
.thu night...w winds 5 to 10 kt. waves around 2 ft. a chance of
rain.
seas are reported as significant wave height, which is the
average of the highest third of the waves. individual wave
heights may be more than twice the significant wave height.
$$
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