fzus51 kbox 130507
cwfbox
expires:202603131800;;580950

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 am edt fri mar 13 2026

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


anz235-131800-
rhode island sound-
106 am edt fri mar 13 2026

...small craft advisory in effect until 10 am edt this morning...

.rest of tonight...nw winds 20 to 25 kt. seas 3 to 5 ft. wave
detail: s 5 ft at 9 seconds and w 3 ft at 4 seconds. 
.fri...w winds 15 to 20 kt, becoming sw 10 to 15 kt in the
afternoon. seas 2 to 4 ft. wave detail: s 4 ft at 9 seconds and w
3 ft at 4 seconds. 
.fri night...s winds 20 to 25 kt, becoming sw 25 to 30 kt after
midnight. seas 4 to 6 ft, building to 5 to 8 ft after midnight.
wave detail: s 6 ft at 9 seconds and s 4 ft at 5 seconds,
becoming s 8 ft at 9 seconds and sw 2 ft at 5 seconds. 
.sat...w winds 25 to 30 kt with gusts up to 35 kt. seas 6 to
8 ft. wave detail: s 8 ft at 10 seconds and w 3 ft at 5 seconds. 
.sat night...w winds 15 to 20 kt with gusts up to 30 kt, becoming
nw 10 to 15 kt with gusts up to 20 kt after midnight. seas 5 to
7 ft, subsiding to 3 to 5 ft after midnight. wave detail: sw 7 ft
at 9 seconds and w 3 ft at 5 seconds, becoming sw 4 ft at
8 seconds and nw 2 ft at 4 seconds. 
.sun...n winds 5 to 10 kt, becoming e 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: sw 3 ft
at 8 seconds and e 2 ft at 3 seconds. 
.sun night...se winds 20 to 25 kt, increasing to 25 to 30 kt with
gusts up to 35 kt after midnight. seas 2 to 4 ft, building to
4 to 6 ft after midnight. a chance of rain after midnight. 
.mon...s winds 25 to 35 kt with gusts up to 45 kt. seas 7 to
10 ft. rain.
.mon night...s winds 30 to 40 kt with gusts up to 45 kt. seas
9 to 12 ft. rain.
.tue...sw winds 25 to 30 kt with gusts up to 40 kt. seas 8 to
11 ft. a chance of rain. 
.tue night...w winds 25 to 30 kt. seas 5 to 7 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 130507
cwfbox
expires:202603131800;;580953

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 am edt fri mar 13 2026

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


anz236-131800-
narragansett bay-
106 am edt fri mar 13 2026

.rest of tonight...nw winds 10 to 15 kt with gusts up to 20 kt.
waves 2 to 3 ft. 
.fri...w winds 5 to 10 kt, becoming sw 15 to 20 kt in the
afternoon. waves 2 to 3 ft. 
.fri night...s winds 15 to 20 kt, becoming sw 20 to 25 kt after
midnight. gusts up to 30 kt. waves 4 to 6 ft. 
.sat...w winds 20 to 25 kt with gusts up to 35 kt. waves 4 to
6 ft. 
.sat night...w winds 15 to 20 kt with gusts up to 30 kt, becoming
nw 5 to 10 kt with gusts up to 20 kt after midnight. waves 2 to
3 ft. at the bay entrance, waves 4 to 6 ft, subsiding to 2 to
4 ft after midnight. 
.sun...n winds around 5 kt, becoming se with gusts up to 20 kt in
the afternoon. waves around 2 ft. 
.sun night...se winds 10 to 15 kt, increasing to 20 to 25 kt
after midnight. gusts up to 30 kt. waves 2 to 3 ft, building to
3 to 5 ft after midnight. rain likely after midnight. 
.mon and mon night...s winds 25 to 30 kt with gusts up to 45 kt.
waves 5 to 8 ft. at the bay entrance, waves 6 to 9 ft, building
to 8 to 11 ft. rain.
.tue...sw winds 15 to 20 kt with gusts up to 35 kt. waves 5 to
7 ft, except 7 to 10 ft at the bay entrance. a chance of rain. 
.tue night...w winds 15 to 20 kt with gusts up to 25 kt. waves
3 to 5 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 130507
cwfbox
expires:202603131800;;580951

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 am edt fri mar 13 2026

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


anz237-131800-
block island sound-
106 am edt fri mar 13 2026

...small craft advisory in effect until 10 am edt this morning...

.rest of tonight...nw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: s 4 ft at 8 seconds and w 3 ft at
4 seconds. 
.fri...w winds 10 to 15 kt, becoming sw 15 to 20 kt in the
afternoon. seas 2 to 4 ft. wave detail: sw 3 ft at 4 seconds and
s 3 ft at 9 seconds. 
.fri night...s winds 15 to 20 kt, becoming sw 20 to 25 kt after
midnight. gusts up to 30 kt. seas 5 to 7 ft. wave detail: s 7 ft
at 9 seconds and s 3 ft at 4 seconds. 
.sat...w winds 20 to 25 kt with gusts up to 35 kt. seas 5 to
8 ft. wave detail: s 7 ft at 10 seconds and w 5 ft at 5 seconds. 
.sat night...nw winds 15 to 20 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
seas 3 to 5 ft. wave detail: s 4 ft at 9 seconds and w 3 ft at
5 seconds. 
.sun...ne winds 5 to 10 kt, becoming e 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: e 2 ft at
3 seconds and s 2 ft at 8 seconds. 
.sun night...se winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. gusts up to 30 kt. seas 2 to 4 ft, building to
4 to 6 ft after midnight. rain likely after midnight. 
.mon...s winds 25 to 30 kt with gusts up to 45 kt. seas 7 to
10 ft. rain.
.mon night...s winds 25 to 30 kt with gusts up to 45 kt. seas
9 to 12 ft. rain.
.tue...w winds 20 to 25 kt with gusts up to 35 kt. seas 7 to
10 ft. a chance of rain. 
.tue night...w winds 20 to 25 kt. seas 5 to 7 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 130507
cwfbox
expires:202603131800;;580945

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 am edt fri mar 13 2026

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


anz255-131800-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
106 am edt fri mar 13 2026

...small craft advisory in effect through this afternoon...

.rest of tonight...nw winds 20 to 25 kt with gusts up to 30 kt.
seas 5 to 7 ft. wave detail: w 6 ft at 7 seconds and s 4 ft at
9 seconds. 
.fri...w winds 15 to 20 kt, becoming sw 10 to 15 kt in the
afternoon. gusts up to 25 kt. seas 4 to 6 ft. wave detail: w 5 ft
at 6 seconds and sw 4 ft at 9 seconds. 
.fri night...s winds 20 to 25 kt, becoming sw 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 9 seconds and sw 4 ft at 5 seconds,
becoming sw 9 ft at 9 seconds and sw 2 ft at 4 seconds. 
.sat...w winds 25 to 30 kt with gusts up to 40 kt. seas 8 to
11 ft. wave detail: sw 11 ft at 10 seconds and s 3 ft at
10 seconds. 
.sat night...w winds 20 to 25 kt with gusts up to 35 kt, becoming
nw 15 to 20 kt with gusts up to 25 kt after midnight. seas 6 to
9 ft, subsiding to 4 to 6 ft after midnight. wave detail: sw 9 ft
at 10 seconds and w 2 ft at 5 seconds, becoming sw 6 ft at
9 seconds and nw 2 ft at 4 seconds. 
.sun...n winds 5 to 10 kt, becoming e 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 3 to 5 ft, subsiding to 2 to 3 ft
in the afternoon. wave detail: sw 4 ft at 8 seconds and n 1 foot
at 4 seconds, becoming sw 3 ft at 7 seconds and n 2 ft at
4 seconds. 
.sun night...se winds 20 to 25 kt, increasing to 25 to 30 kt with
gusts up to 35 kt after midnight. seas 2 to 4 ft, building to
4 to 6 ft after midnight. a chance of rain after midnight. 
.mon...se winds 25 to 35 kt with gusts up to 45 kt. seas 7 to
10 ft. rain.
.mon night...s winds 30 to 40 kt with gusts up to 50 kt. seas
10 to 14 ft. rain.
.tue...sw winds 25 to 30 kt with gusts up to 45 kt. seas 9 to
13 ft. rain likely. 
.tue night...w winds 25 to 30 kt. seas 7 to 10 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.

$$