fzus51 kbox 120207
cwfbox
expires:202603121500;;048157

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1007 pm edt wed mar 11 2026

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


anz235-121500-
rhode island sound-
1007 pm edt wed mar 11 2026

...small craft advisory in effect through friday morning...

.overnight...sw winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 7 ft. wave detail: s 7 ft at 7 seconds and e 1 foot at
8 seconds. patchy fog. patchy dense fog. a slight chance of
showers. 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 with gusts up to 25 kt. seas
4 to 6 ft. wave detail: s 5 ft at 8 seconds and w 3 ft at
4 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 3 to 5 ft. wave detail: sw 4 ft
at 8 seconds and s 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 6 to 9 ft after midnight.
wave detail: sw 7 ft at 6 seconds and se 3 ft at 9 seconds,
becoming s 9 ft at 9 seconds and se 4 ft at 9 seconds. 
.sat...w winds 20 to 25 kt with gusts up to 30 kt. seas 7 to
10 ft. wave detail: s 10 ft at 10 seconds and w 3 ft at
5 seconds. 
.sat night...nw winds 15 to 20 kt with gusts up to 25 kt. seas
4 to 6 ft, subsiding to 2 to 4 ft after midnight. 
.sun...e winds 10 to 15 kt. seas 2 to 3 ft. 
.sun night...se winds 25 to 30 kt with gusts up to 35 kt. seas
4 to 6 ft. rain likely. 
.mon...s winds 30 to 35 kt with gusts up to 45 kt. seas 7 to
10 ft. rain.
.mon night...sw winds 25 to 30 kt with gusts up to 40 kt. seas
8 to 11 ft. 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.

$$

fzus51 kbox 120207
cwfbox
expires:202603121500;;048160

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1007 pm edt wed mar 11 2026

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


anz236-121500-
narragansett bay-
1007 pm edt wed mar 11 2026

.overnight...s winds 15 to 20 kt with gusts up to 25 kt. waves
3 to 5 ft. patchy fog. a slight chance of showers. 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...nw 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
4 to 6 ft. 
.sat...w winds 20 to 25 kt with gusts up to 30 kt. waves 4 to
6 ft. 
.sat night...w winds 15 to 20 kt, becoming nw 5 to 10 kt after
midnight. waves 2 to 3 ft. 
.sun...e winds 5 to 10 kt. waves around 2 ft. 
.sun night...se winds 20 to 25 kt with gusts up to 35 kt. waves
3 to 5 ft. rain likely. 
.mon...s winds 25 to 30 kt with gusts up to 40 kt. waves 5 to
8 ft. rain.
.mon night...sw winds 20 to 25 kt with gusts up to 35 kt. waves
5 to 7 ft. 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.

$$

fzus51 kbox 120207
cwfbox
expires:202603121500;;048158

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1007 pm edt wed mar 11 2026

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


anz237-121500-
block island sound-
1007 pm edt wed mar 11 2026

...small craft advisory in effect through friday morning...

.overnight...sw winds 15 to 20 kt with gusts up to 25 kt. seas
4 to 6 ft. wave detail: s 5 ft at 7 seconds and w 1 foot at
4 seconds. patchy fog, then patchy dense fog. a slight chance of
showers, then a chance of showers. 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: s 5 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 with gusts up to 25 kt. seas
3 to 5 ft. wave detail: s 4 ft at 8 seconds and w 3 ft at
4 seconds. 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. seas 3 to 4 ft. wave detail: s 3 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
4 to 6 ft, building to 5 to 8 ft after midnight. wave detail: sw
6 ft at 6 seconds and se 3 ft at 9 seconds, becoming s 7 ft at
8 seconds and se 5 ft at 9 seconds. 
.sat...w winds 20 to 25 kt with gusts up to 30 kt. seas 6 to
9 ft, subsiding to 5 to 7 ft in the afternoon. wave detail: s
6 ft at 9 seconds and w 4 ft at 5 seconds, becoming s 5 ft at
10 seconds and w 4 ft at 5 seconds.
.sat night...w winds 15 to 20 kt, becoming nw 10 to 15 kt after
midnight. seas 3 to 5 ft. 
.sun...e winds 10 to 15 kt. seas around 2 ft. 
.sun night...se winds 25 to 30 kt with gusts up to 35 kt. seas
4 to 6 ft. rain likely. 
.mon...s winds 25 to 30 kt with gusts up to 40 kt. seas 6 to
9 ft. rain.
.mon night...sw winds 25 to 30 kt with gusts up to 40 kt. seas
7 to 10 ft. 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.

$$

fzus51 kbox 120207
cwfbox
expires:202603121500;;048152

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1007 pm edt wed mar 11 2026

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


anz255-121500-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1007 pm edt wed mar 11 2026

...small craft advisory in effect through friday morning...

.overnight...s winds 20 to 25 kt, increasing to 25 to 30 kt. seas
5 to 7 ft, building to 6 to 9 ft. wave detail: s 7 ft at
6 seconds and e 1 foot at 9 seconds, becoming s 9 ft at 7 seconds
and ne 1 foot at 7 seconds. patchy fog, then patchy dense fog. a
slight chance of showers. 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: s 9 ft at 7 seconds and
w 2 ft 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 8 ft. wave detail: w
6 ft at 7 seconds and s 4 ft at 9 seconds. a chance of showers in
the evening. 
.fri...w winds 15 to 20 kt, becoming sw in the afternoon. seas
5 to 7 ft, subsiding to 4 to 5 ft in the afternoon. wave detail:
nw 5 ft at 6 seconds and s 4 ft at 9 seconds, becoming sw 4 ft at
7 seconds and se 3 ft at 9 seconds. 
.fri night...s winds 20 to 25 kt, becoming sw 25 to 30 kt after
midnight. seas 5 to 7 ft, building to 8 to 11 ft after midnight.
wave detail: sw 7 ft at 6 seconds and se 2 ft at 9 seconds,
becoming sw 11 ft at 9 seconds and w 1 foot at 4 seconds. 
.sat...w winds 25 to 30 kt. seas 9 to 12 ft. wave detail: sw
11 ft at 10 seconds and w 2 ft at 4 seconds. 
.sat night...w winds 20 to 25 kt, becoming nw 15 to 20 kt after
midnight. seas 6 to 9 ft, subsiding to 4 to 6 ft after midnight. 
.sun...ne winds 10 to 15 kt. seas 2 to 4 ft. 
.sun night...se winds 25 to 30 kt with gusts up to 40 kt. seas
4 to 6 ft. a chance of rain. 
.mon...s winds 30 to 35 kt with gusts up to 40 kt. seas 8 to
11 ft. rain.
.mon night...sw winds 25 to 35 kt with gusts up to 40 kt. seas
9 to 13 ft. 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.

$$