fzus51 kbox 111707
cwfbox
expires:202603120600;;023468

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
107 pm edt wed mar 11 2026

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


anz235-120600-
rhode island sound-
107 pm edt wed mar 11 2026

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

.this afternoon...se winds 10 to 15 kt. seas 2 to 3 ft. wave
detail: s 3 ft at 7 seconds and se 1 foot at 8 seconds. patchy
fog. 
.tonight...s winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft, building to 5 to 7 ft after midnight. wave detail: s 5 ft
at 6 seconds and e 1 foot at 7 seconds, becoming s 7 ft at
7 seconds and e 1 foot at 7 seconds. patchy fog in the evening.
patchy dense fog after midnight. vsby 1 nm or less. 
.thu...sw winds 20 to 25 kt, becoming nw 15 to 20 kt in the
afternoon. seas 5 to 8 ft. wave detail: s 8 ft at 7 seconds and w
2 ft at 4 seconds. a chance of showers. patchy fog in the morning
with vsby 1 nm or less. 
.thu night...nw winds 15 to 20 kt. seas 4 to 6 ft. wave detail: s
6 ft at 8 seconds and s 3 ft at 9 seconds. a chance of showers in
the evening. 
.fri...w winds 10 to 15 kt, becoming sw 15 to 20 kt with gusts up
to 25 kt in the afternoon. seas 2 to 4 ft. wave detail: s 4 ft at
9 seconds and se 3 ft at 10 seconds. 
.fri night...s winds 20 to 25 kt, becoming sw 25 to 30 kt after
midnight. seas 5 to 8 ft. wave detail: sw 8 ft at 9 seconds and w
2 ft at 5 seconds. a chance of rain. 
.sat...w winds 25 to 30 kt. seas 5 to 8 ft. 
.sat night...nw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. 
.sun...e winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. 
.sun night...se winds 30 to 35 kt with gusts up to 40 kt. seas
4 to 6 ft. rain likely.  

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 111707
cwfbox
expires:202603120600;;023471

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
107 pm edt wed mar 11 2026

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


anz236-120600-
narragansett bay-
107 pm edt wed mar 11 2026

.this afternoon...s winds 5 to 10 kt. waves around 2 ft. patchy
fog. 
.tonight...s winds 15 to 20 kt with gusts up to 25 kt. waves 2 to
3 ft, building to 3 to 5 ft after midnight. patchy fog. vsby 1 nm
or less. 
.thu...sw winds 15 to 20 kt, becoming nw in the afternoon. gusts
up to 25 kt. waves 3 to 5 ft, subsiding to 2 to 3 ft in the
afternoon. a chance of showers. patchy fog in the morning with
vsby 1 nm or less. 
.thu night...w winds 10 to 15 kt with gusts up to 20 kt. waves
2 to 3 ft. a chance of showers in the evening. 
.fri...w winds 5 to 10 kt, becoming sw 15 to 20 kt with gusts up
to 25 kt in the afternoon. waves 2 to 3 ft. 
.fri night...sw winds 20 to 25 kt with gusts up to 30 kt. waves
3 to 5 ft. a chance of rain. 
.sat...w winds 20 to 25 kt with gusts up to 30 kt. waves 3 to
5 ft. 
.sat night and sun...nw winds 15 to 20 kt, becoming e 10 to
15 kt. waves 2 to 3 ft. 
.sun night...se winds 25 to 30 kt with gusts up to 40 kt. waves
4 to 6 ft. rain likely.  

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 111707
cwfbox
expires:202603120600;;023469

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
107 pm edt wed mar 11 2026

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


anz237-120600-
block island sound-
107 pm edt wed mar 11 2026

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

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

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 111707
cwfbox
expires:202603120600;;023463

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
107 pm edt wed mar 11 2026

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


anz255-120600-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
107 pm edt wed mar 11 2026

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

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

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.

$$