fzus51 kbox 100304
cwfbox
expires:202512101600;;310323

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm est tue dec 9 2025

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


anz235-101600-
rhode island sound-
1004 pm est tue dec 9 2025

...gale warning in effect through late wednesday night...

.overnight...sw winds 25 to 30 kt with gusts up to 35 kt. seas
3 to 4 ft, building to 4 to 6 ft. wave detail: sw 4 ft at
5 seconds and se 1 foot at 9 seconds, becoming sw 6 ft at
7 seconds and se 1 foot at 9 seconds. isolated showers. a slight
chance of rain. 
.wed...sw winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. seas 5 to 7 ft, building to 6 to 9 ft in the
afternoon. wave detail: sw 7 ft at 7 seconds and se 1 foot at
9 seconds, becoming sw 9 ft at 7 seconds and s 9 ft at 9 seconds.
a chance of rain in the afternoon. 
.wed night...sw winds 25 to 30 kt, becoming w 20 to 25 kt after
midnight. seas 7 to 10 ft. wave detail: sw 10 ft at 8 seconds. a
chance of rain. 
.thu...w winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. seas 5 to 8 ft. wave detail: sw 8 ft at 9 seconds and
w 7 ft at 7 seconds. 
.thu night and fri...w winds 25 to 30 kt with gusts up to 35 kt.
seas 4 to 6 ft. wave detail: w 6 ft at 8 seconds and s 5 ft at
10 seconds. 
.fri night...w 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
5 ft at 7 seconds and s 1 foot at 10 seconds. 
.sat...w winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. a chance of rain. 
.sat night...w winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. a chance of rain and snow. 
.sun...w winds 20 to 25 kt with gusts up to 30 kt. seas 2 to
4 ft. a chance of rain and snow. 
.sun night...nw winds 25 to 30 kt. seas 3 to 5 ft. a chance of
snow.  

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 100304
cwfbox
expires:202512101600;;310326

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm est tue dec 9 2025

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


anz236-101600-
narragansett bay-
1004 pm est tue dec 9 2025

...small craft advisory in effect through late wednesday night...

.overnight...sw winds 15 to 20 kt with gusts up to 30 kt. waves
2 to 4 ft. isolated showers. a slight chance of rain. 
.wed...sw winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. gusts up to 35 kt. waves 2 to 4 ft, building to 4 to
6 ft in the afternoon. a chance of rain in the afternoon. 
.wed night...sw winds 20 to 25 kt, becoming w 15 to 20 kt after
midnight. gusts up to 30 kt. waves 3 to 5 ft. a chance of rain.
patchy fog in the evening. 
.thu...w winds 15 to 20 kt with gusts up to 30 kt. waves 2 to
3 ft, except 4 to 6 ft at the bay entrance. 
.thu night through fri night...w winds 15 to 20 kt with gusts up
to 30 kt. waves 2 to 3 ft. 
.sat...w winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
3 ft. 
.sat night...w winds 10 to 15 kt with gusts up to 20 kt. waves
2 to 3 ft. a chance of snow. 
.sun...nw winds 15 to 20 kt with gusts up to 25 kt. waves 2 to
3 ft. a chance of snow and rain. 
.sun night...nw winds 15 to 20 kt with gusts up to 25 kt. waves
around 3 ft. a chance of snow.  

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 100304
cwfbox
expires:202512101600;;310324

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm est tue dec 9 2025

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


anz237-101600-
block island sound-
1004 pm est tue dec 9 2025

...gale warning in effect through late wednesday night...

.overnight...sw winds 20 to 25 kt. gusts up to 35 kt. seas 3 to
4 ft, building to 4 to 6 ft. wave detail: sw 4 ft at 4 seconds
and e 1 foot at 9 seconds, becoming sw 5 ft at 6 seconds and se
1 foot at 9 seconds. isolated showers. 
.wed...sw winds 20 to 25 kt with gusts up to 35 kt. seas 4 to
6 ft, building to 5 to 8 ft in the afternoon. wave detail: sw
5 ft at 6 seconds and se 3 ft at 9 seconds, becoming s 7 ft at
7 seconds. a chance of rain in the afternoon. 
.wed night...sw winds 20 to 25 kt with gusts up to 35 kt. seas
6 to 9 ft. wave detail: s 7 ft at 9 seconds and w 4 ft at
5 seconds. a chance of rain. patchy fog in the evening. 
.thu...w winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. seas 5 to 7 ft. wave detail: s 6 ft at 9 seconds and w
5 ft at 5 seconds. 
.thu night...w winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. seas 4 to 6 ft. wave detail: w 5 ft at 5 seconds
and s 4 ft at 9 seconds. 
.fri...w winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. gusts up to 30 kt. seas 3 to 5 ft. wave detail: w 4 ft
at 5 seconds and s 3 ft at 9 seconds. 
.fri night...w winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. seas 2 to 4 ft. 
.sat...w winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. a chance of rain. 
.sat night and sun...w winds 15 to 20 kt, increasing to 20 to
25 kt. gusts up to 30 kt. seas 2 to 4 ft. a chance of rain and
snow. 
.sun night...nw winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. a chance of snow.  

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 100304
cwfbox
expires:202512101600;;310318

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm est tue dec 9 2025

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


anz255-101600-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1004 pm est tue dec 9 2025

...gale warning in effect through late wednesday night...

.overnight...sw winds 20 to 25 kt, increasing to 25 to 30 kt.
seas 3 to 4 ft, building to 4 to 6 ft. wave detail: sw 4 ft at
5 seconds and ne 1 foot at 5 seconds, becoming sw 6 ft at
7 seconds and ne 1 foot at 5 seconds. 
.wed...sw winds 20 to 25 kt, becoming s 25 to 30 kt in the
afternoon. seas 5 to 7 ft, building to 7 to 10 ft in the
afternoon. wave detail: sw 7 ft at 7 seconds and e 1 foot at
9 seconds, becoming sw 10 ft at 8 seconds and se 2 ft at
9 seconds. 
.wed night...sw winds 25 to 30 kt with gusts up to 35 kt. seas
8 to 11 ft. wave detail: sw 11 ft at 10 seconds. a chance of
rain. 
.thu...w winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. seas 7 to 10 ft. wave detail: sw 10 ft at 10 seconds. 
.thu night and fri...w winds 25 to 30 kt with gusts up to 40 kt.
seas 6 to 9 ft. wave detail: sw 9 ft at 9 seconds and se 2 ft at
10 seconds. 
.fri night...w winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. seas 5 to 7 ft. wave detail: w 7 ft at 7 seconds
and s 1 foot at 10 seconds. 
.sat...w winds 20 to 25 kt. seas 4 to 6 ft. a chance of rain. 
.sat night...w winds 20 to 25 kt. seas 5 to 8 ft. a chance of
rain. 
.sun...w winds 25 to 30 kt. seas 4 to 6 ft. rain likely. 
.sun night...nw winds 30 to 35 kt with gusts up to 40 kt. seas
5 to 8 ft. a chance of snow. vsby 1 to 3 nm.  

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.

$$