fzus51 kbox 301404
cwfbox
expires:202510310300;;560646

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt thu oct 30 2025

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


anz235-310300-
rhode island sound-
1004 am edt thu oct 30 2025

...gale warning in effect from friday morning through saturday
afternoon...

.this afternoon...e winds 20 to 25 kt with gusts up to 30 kt.
seas 4 to 6 ft. wave detail: e 6 ft at 6 seconds. patchy fog. a
chance of showers with patchy drizzle with vsby 1 to 3 nm. 
.tonight...e winds 25 to 30 kt, becoming se 20 to 25 kt after
midnight. seas 5 to 8 ft. wave detail: se 8 ft at 8 seconds.
patchy fog. showers. vsby 1 nm or less. 
.fri...sw winds 25 to 30 kt with gusts up to 40 kt. seas 5 to
8 ft, building to 7 to 10 ft in the afternoon. wave detail: s
8 ft at 9 seconds and sw 5 ft at 6 seconds, becoming sw 10 ft at
8 seconds and s 7 ft at 9 seconds. patchy fog in the morning. 
.fri night...w winds 25 to 30 kt with gusts up to 45 kt. seas
8 to 11 ft. wave detail: sw 11 ft at 9 seconds and s 8 ft at
10 seconds. 
.sat...w winds 25 to 30 kt with gusts up to 40 kt, diminishing to
20 to 25 kt with gusts up to 30 kt in the afternoon. seas 7 to
10 ft, subsiding to 5 to 7 ft in the afternoon. wave detail: w
9 ft at 9 seconds and se 5 ft at 10 seconds, becoming w 7 ft at
8 seconds and s 3 ft at 12 seconds. 
.sat night...nw winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. seas 4 to 6 ft, subsiding to 2 to 4 ft after
midnight. wave detail: w 6 ft at 7 seconds and s 3 ft at
11 seconds, becoming w 4 ft at 6 seconds and s 2 ft at
10 seconds. 
.sun through mon...w winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. 
.mon night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 ft. a chance of showers.  

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 301404
cwfbox
expires:202510310300;;560649

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt thu oct 30 2025

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


anz236-310300-
narragansett bay-
1004 am edt thu oct 30 2025

...small craft advisory in effect from 8 pm edt this evening
through saturday evening...

.this afternoon...e winds 15 to 20 kt with gusts up to 30 kt.
waves 2 to 4 ft. patchy fog. showers likely with vsby 1 to 3 nm. 
.tonight...e winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. gusts up to 30 kt. waves 3 to 5 ft. patchy fog.
showers. vsby 1 nm or less. 
.fri...sw winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. gusts up to 35 kt. waves 3 to 5 ft. patchy fog in the
morning. 
.fri night...w winds 20 to 25 kt with gusts up to 35 kt. waves
3 to 5 ft, except 5 to 8 ft at the bay entrance. 
.sat...w winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. gusts up to 30 kt. waves 3 to 5 ft. 
.sat night...nw winds 15 to 20 kt with gusts up to 25 kt,
diminishing to around 10 kt after midnight. waves 2 to 4 ft. 
.sun through mon...sw winds 10 to 15 kt with gusts up to 25 kt.
waves around 2 ft. 
.mon night...sw winds 15 to 20 kt with gusts up to 25 kt. waves
2 to 3 ft. a chance of showers.  

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 301404
cwfbox
expires:202510310300;;560647

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt thu oct 30 2025

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


anz237-310300-
block island sound-
1004 am edt thu oct 30 2025

...gale warning in effect from friday morning through saturday
afternoon...

.this afternoon...e winds 20 to 25 kt with gusts up to 30 kt.
seas 5 to 7 ft. wave detail: e 7 ft at 7 seconds. patchy fog. a
chance of showers with vsby 1 to 3 nm. 
.tonight...e winds 25 to 30 kt, becoming se 20 to 25 kt after
midnight. seas 6 to 9 ft. wave detail: e 8 ft at 7 seconds.
patchy fog. showers in the evening. showers likely after
midnight. vsby 1 nm or less. 
.fri...sw winds 20 to 25 kt with gusts up to 30 kt, becoming w
25 to 30 kt with gusts up to 40 kt in the afternoon. seas 6 to
9 ft. wave detail: s 8 ft at 9 seconds and w 6 ft at 6 seconds.
patchy fog in the morning. 
.fri night...w winds 25 to 30 kt with gusts up to 40 kt. seas
7 to 10 ft. wave detail: w 6 ft at 6 seconds and s 6 ft at
10 seconds. 
.sat...w winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. seas 6 to 9 ft, subsiding to 5 to 7 ft in the
afternoon. wave detail: w 6 ft at 6 seconds and se 5 ft at
10 seconds, becoming w 5 ft at 5 seconds and s 4 ft at
12 seconds. 
.sat night...nw winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. seas 3 to 5 ft. wave detail: w
4 ft at 5 seconds and s 3 ft at 11 seconds. 
.sun through mon...w winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 3 ft. 
.mon night...w winds 20 to 25 kt. seas 3 to 5 ft. a chance of
showers.  

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 301404
cwfbox
expires:202510310300;;560641

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt thu oct 30 2025

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


anz255-310300-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1004 am edt thu oct 30 2025

...gale warning in effect from 8 pm edt this evening through
saturday evening...

.this afternoon...e winds 15 to 20 kt, increasing to 20 to 25 kt.
gusts up to 30 kt. seas 5 to 8 ft. wave detail: e 7 ft at
9 seconds. a chance of showers. 
.tonight...se winds 25 to 30 kt. seas 6 to 9 ft. wave detail: e
9 ft at 7 seconds. patchy fog. showers. vsby 1 nm or less. 
.fri...sw winds 25 to 35 kt. gusts up to 45 kt in the afternoon.
seas 7 to 10 ft, building to 9 to 13 ft in the afternoon. wave
detail: s 9 ft at 9 seconds and sw 6 ft at 6 seconds, becoming sw
12 ft at 9 seconds and e 7 ft at 10 seconds. patchy fog in the
morning. a chance of showers in the morning. 
.fri night...w winds 30 to 40 kt with gusts up to 45 kt. seas
12 to 16 ft. wave detail: sw 14 ft at 10 seconds and e 6 ft at
10 seconds. 
.sat...w winds 30 to 35 kt with gusts up to 45 kt, diminishing to
25 to 30 kt with gusts up to 35 kt in the afternoon. seas 10 to
14 ft, subsiding to 8 to 11 ft in the afternoon. wave detail: w
13 ft at 9 seconds and se 5 ft at 12 seconds, becoming w 10 ft at
9 seconds and s 4 ft at 12 seconds. 
.sat night...nw winds 25 to 30 kt, diminishing to 15 to 20 kt
after midnight. seas 6 to 9 ft, subsiding to 5 to 7 ft after
midnight. wave detail: w 9 ft at 8 seconds and s 3 ft at
11 seconds, becoming w 6 ft at 7 seconds and s 2 ft at
10 seconds. 
.sun...nw winds around 15 kt with gusts up to 20 kt. seas 3 to
5 ft. 
.sun night and mon...w winds 10 to 15 kt, increasing to 15 to
20 kt with gusts up to 25 kt. seas 2 to 4 ft. 
.mon night...sw winds 25 to 30 kt. seas 5 to 8 ft. a chance of
showers.  

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.

$$