fzus51 kbox 181805
cwfbox
expires:202512190700;;811694

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

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


anz235-190700-
rhode island sound-
104 pm est thu dec 18 2025

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

.this afternoon...s winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. wave detail: s 4 ft at 7 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 181805
cwfbox
expires:202512190700;;811697

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

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


anz236-190700-
narragansett bay-
104 pm est thu dec 18 2025

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

.this afternoon...s winds 10 to 15 kt. 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.

$$