fzus51 kbox 181204
cwfbox
expires:202512190100;;796492

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 am est thu dec 18 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz235-190100-
rhode island sound-
704 am est thu dec 18 2025

...gale warning in effect from late tonight through saturday
morning...

.today...s winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt this afternoon. seas 2 to 4 ft. wave detail: s 4 ft
at 8 seconds and se 2 ft at 10 seconds. 
.tonight...s winds 15 to 20 kt with gusts up to 25 kt, increasing
to 25 to 30 kt with gusts up to 35 kt after midnight. seas 3 to
5 ft, building to 5 to 7 ft after midnight. wave detail: s 5 ft
at 7 seconds and se 1 foot at 10 seconds, becoming s 7 ft at
7 seconds and se 1 foot at 13 seconds. a chance of rain after
midnight with vsby 1 nm or less. 
.fri...s winds 30 to 40 kt with gusts up to 50 kt. seas 8 to
11 ft, building to 9 to 13 ft in the afternoon. wave detail: s
11 ft at 12 seconds and s 10 ft at 7 seconds, becoming s 13 ft at
10 seconds and sw 3 ft at 6 seconds. rain. vsby 1 nm or less. 
.fri night...w winds 30 to 35 kt, becoming 25 to 35 kt after
midnight. seas 9 to 12 ft. wave detail: s 12 ft at 11 seconds and
w 6 ft at 6 seconds. 
.sat...w winds 25 to 30 kt with gusts up to 35 kt, diminishing to
around 15 kt with gusts up to 20 kt in the afternoon. seas 6 to
9 ft, subsiding to 4 to 6 ft in the afternoon. wave detail: s
9 ft at 10 seconds and w 6 ft at 6 seconds, becoming s 6 ft at
10 seconds and w 3 ft at 6 seconds. 
.sat night...sw winds 20 to 25 kt, increasing to 25 to 30 kt
after midnight. seas 4 to 6 ft, building to 6 to 9 ft after
midnight. wave detail: sw 6 ft at 5 seconds and s 5 ft at
10 seconds, becoming sw 9 ft at 7 seconds and se 3 ft at
10 seconds. 
.sun...w winds 25 to 30 kt. seas 6 to 9 ft. 
.sun night...nw winds 25 to 30 kt with gusts up to 35 kt. seas
5 to 7 ft. 
.mon...nw winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. 
.mon night...nw winds 15 to 20 kt. seas 2 to 4 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.

$$

fzus51 kbox 181204
cwfbox
expires:202512190100;;796495

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 am est thu dec 18 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz236-190100-
narragansett bay-
704 am est thu dec 18 2025

...gale warning in effect from late tonight through late friday
night...

.today...sw winds around 5 kt, becoming s 10 to 15 kt this
afternoon. waves around 2 ft. 
.tonight...s winds 15 to 20 kt with gusts up to 25 kt, increasing
to 20 to 25 kt with gusts up to 35 kt after midnight. waves 2 to
3 ft, building to 3 to 5 ft after midnight. a chance of rain
after midnight with vsby 1 nm or less. 
.fri...s winds 25 to 35 kt with gusts up to 45 kt. waves 5 to
7 ft, except 7 to 10 ft at the bay entrance. rain. vsby 1 nm or
less. 
.fri night...w winds 20 to 25 kt with gusts up to 35 kt. waves
5 to 7 ft. 
.sat...w winds 15 to 20 kt with gusts up to 30 kt, diminishing to
10 to 15 kt with gusts up to 20 kt in the afternoon. waves 2 to
3 ft. at the bay entrance, waves 4 to 6 ft, subsiding to 3 to
4 ft in the afternoon. 
.sat night...sw winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. gusts up to 30 kt. waves 3 to 5 ft. 
.sun...w winds 20 to 25 kt with gusts up to 30 kt. waves 3 to
5 ft. 
.sun night through mon night...nw winds 15 to 20 kt with gusts up
to 25 kt. waves 2 to 3 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.

$$