fzus51 kbox 252004
cwfbox
expires:202609260900;;048551

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt fri sep 25 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz235-260900-
rhode island sound-
403 pm edt fri sep 25 2026

...storm warning in effect through late saturday night...

.tonight...ne winds 25 to 35 kt, becoming 30 to 35 kt after
midnight. gusts up to 55 kt. seas 7 to 10 ft. wave detail: se
8 ft at 12 seconds and n 7 ft at 6 seconds. rain.
.sat...ne winds 30 to 35 kt with gusts up to 55 kt. seas 7 to
10 ft. wave detail: n 8 ft at 7 seconds and se 8 ft at
11 seconds. rain.
.sat night...ne winds 30 to 35 kt, diminishing to 25 to 30 kt
after midnight. gusts up to 55 kt. seas 6 to 9 ft. wave detail:
ne 8 ft at 6 seconds and s 7 ft at 11 seconds. rain.
.sun...ne winds 20 to 25 kt, becoming e 15 to 20 kt in the
afternoon. gusts up to 50 kt. seas 6 to 9 ft, subsiding to 5 to
7 ft in the afternoon. wave detail: s 7 ft at 10 seconds and ne
6 ft at 6 seconds, becoming s 7 ft at 10 seconds and ne 4 ft at
5 seconds. rain.
.sun night...ne winds 15 to 20 kt. gusts up to 30 kt, decreasing
to 20 kt after midnight. seas 4 to 6 ft. wave detail: s 6 ft at
8 seconds and se 6 ft at 10 seconds. rain.
.mon...e winds 10 to 15 kt. gusts up to 20 kt in the morning.
seas 3 to 4 ft. wave detail: s 4 ft at 8 seconds and e 3 ft at
6 seconds. rain.
.mon night...e winds around 10 kt, becoming n after midnight.
seas 2 to 4 ft. a chance of rain in the evening, then a chance of
showers after midnight. 
.tue through wed night...sw winds 5 to 10 kt. seas 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.

$$

fzus51 kbox 252004
cwfbox
expires:202609260900;;048554

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt fri sep 25 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz236-260900-
narragansett bay-
403 pm edt fri sep 25 2026

...storm warning in effect through saturday evening...

.tonight...ne winds 20 to 25 kt, increasing to 25 to 30 kt after
midnight. gusts up to 50 kt. waves around 3 ft, except 4 to 6 ft
at the bay entrance. rain likely, mainly this evening. 
.sat...ne winds 25 to 30 kt with gusts up to 55 kt. waves around
3 ft, except 4 to 6 ft at the bay entrance. rain.
.sat night...ne winds 20 to 25 kt with gusts up to 50 kt. waves
around 3 ft, except 4 to 6 ft at the bay entrance. rain.
.sun...ne winds 15 to 20 kt with gusts up to 45 kt. waves around
3 ft, except 4 to 6 ft at the bay entrance. rain.
.sun night and mon...ne winds 10 to 15 kt with gusts up to 30 kt.
waves 2 to 3 ft. rain.
.mon night...ne winds around 10 kt, becoming n after midnight.
waves around 2 ft. rain likely in the evening, then a chance of
showers after midnight. 
.tue through wed night...sw winds 5 to 10 kt. waves around 2 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 252004
cwfbox
expires:202609260900;;048552

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt fri sep 25 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz237-260900-
block island sound-
403 pm edt fri sep 25 2026

...storm warning in effect through late saturday night...

.tonight...ne winds 25 to 30 kt with gusts up to 55 kt. seas 7 to
10 ft. wave detail: e 10 ft at 12 seconds and ne 6 ft at
6 seconds. rain.
.sat...ne winds 25 to 30 kt with gusts up to 55 kt. seas 8 to
11 ft. wave detail: e 11 ft at 11 seconds and ne 8 ft at
7 seconds. rain.
.sat night...ne winds 25 to 30 kt with gusts up to 55 kt. seas
7 to 10 ft. wave detail: ne 8 ft at 7 seconds and s 7 ft at
11 seconds. rain.
.sun...ne winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. gusts up to 50 kt. seas 6 to 9 ft, subsiding to 5 to
7 ft in the afternoon. wave detail: e 7 ft at 7 seconds and s
7 ft at 10 seconds, becoming s 7 ft at 10 seconds and e 5 ft at
6 seconds. rain.
.sun night...ne winds 15 to 20 kt. gusts up to 35 kt, decreasing
to 25 kt after midnight. seas 4 to 6 ft. wave detail: s 6 ft at
9 seconds and se 6 ft at 10 seconds. rain.
.mon...e winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. seas 3 to 5 ft. wave detail: s 4 ft at 8 seconds and e
3 ft at 7 seconds. rain.
.mon night...ne winds 10 to 15 kt, becoming n after midnight.
seas 2 to 4 ft. rain likely in the evening, then a chance of
showers after midnight. 
.tue through wed night...sw winds 5 to 10 kt. seas 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.

$$

fzus51 kbox 252004
cwfbox
expires:202609260900;;048546

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt fri sep 25 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz255-260900-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
403 pm edt fri sep 25 2026

...storm warning in effect through saturday evening...

.tonight...ne winds 30 to 35 kt with gusts up to 55 kt. seas
11 to 15 ft, building to 13 to 18 ft after midnight. s and e of
nantucket, seas 16 to 20 ft, building to 17 to 22 ft after
midnight. wave detail: e 13 ft at 11 seconds and ne 11 ft at
7 seconds, becoming e 13 ft at 11 seconds and ne 13 ft at
11 seconds. rain.
.sat...ne winds 30 to 35 kt with gusts up to 55 kt. seas 13 to
18 ft, except 17 to 22 ft s and e of nantucket. wave detail: ne
14 ft at 11 seconds and se 11 ft at 11 seconds. rain.
.sat night...ne winds 25 to 30 kt with gusts up to 45 kt. seas
11 to 15 ft. wave detail: ne 10 ft at 10 seconds and s 8 ft at
11 seconds. rain.
.sun...e winds 20 to 25 kt with gusts up to 50 kt, diminishing to
15 to 20 kt with gusts up to 40 kt in the afternoon. seas 9 to
12 ft, subsiding to 7 to 10 ft in the afternoon. wave detail: s
8 ft at 10 seconds and e 7 ft at 10 seconds, becoming s 8 ft at
10 seconds and e 5 ft at 10 seconds. rain likely. 
.sun night...e winds 10 to 15 kt. gusts up to 30 kt, decreasing
to 20 kt after midnight. seas 6 to 9 ft, subsiding to 4 to 6 ft
after midnight. wave detail: se 6 ft at 12 seconds and s 5 ft at
8 seconds, becoming e 5 ft at 9 seconds and s 4 ft at 7 seconds.
rain likely. 
.mon and mon night...sw winds 5 to 10 kt. seas 3 to 5 ft. wave
detail: s 4 ft at 8 seconds and e 4 ft at 9 seconds. a chance of
rain, then a chance of showers after midnight. 
.tue...w winds 10 to 15 kt. seas 3 to 5 ft. 
.tue night through wed night...sw winds 5 to 10 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.

$$