fzus51 kbox 272004
cwfbox
expires:202603280900;;396053

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt fri mar 27 2026

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


anz231-280900-
cape cod bay-
404 pm edt fri mar 27 2026

.tonight...ne winds 5 to 10 kt, becoming n 10 to 15 kt after
midnight. seas 2 to 3 ft. wave detail: n 2 ft at 5 seconds and s
2 ft at 9 seconds. 
.sat...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: n 3 ft at 5 seconds and s 1 foot at 8 seconds.
.sat night...s winds 5 to 10 kt, becoming w after midnight. seas
around 2 ft. wave detail: n 2 ft at 5 seconds and se 1 foot at
8 seconds. 
.sun...w winds 5 to 10 kt, becoming sw 15 to 20 kt with gusts up
to 25 kt in the afternoon. seas 2 to 3 ft. wave detail: sw 2 ft
at 3 seconds and ne 2 ft at 5 seconds. 
.sun night through mon night...sw winds 15 to 20 kt with gusts up
to 25 kt. seas 2 to 3 ft. wave detail: sw 2 ft at 3 seconds and
ne 1 foot at 4 seconds. 
.tue...s winds 15 to 20 kt with gusts up to 25 kt. seas around
2 ft. wave detail: s 2 ft at 4 seconds and se 1 foot at
8 seconds. 
.tue night through wed night...w winds 20 to 25 kt with gusts up
to 30 kt. seas 2 to 4 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.

$$

fzus51 kbox 272004
cwfbox
expires:202603280900;;396057

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt fri mar 27 2026

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


anz232-280900-
nantucket sound-
404 pm edt fri mar 27 2026

.tonight...ne winds 10 to 15 kt, becoming n 5 to 10 kt after
midnight. seas 2 to 3 ft. wave detail: n 2 ft at 4 seconds and s
2 ft at 8 seconds. 
.sat...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: n 2 ft at 4 seconds and s 1 foot at 8 seconds.
.sat night...w winds 5 to 10 kt. seas around 2 ft in the evening,
then 1 foot or less. wave detail: nw 1 foot at 4 seconds and ne
1 foot at 4 seconds, becoming w 1 foot at 3 seconds and ne 1 foot
at 5 seconds. 
.sun...w winds 5 to 10 kt, becoming sw 15 to 20 kt with gusts up
to 25 kt in the afternoon. seas 1 foot or less, then 2 to 3 ft in
the afternoon. wave detail: w 1 foot at 3 seconds and ne 1 foot
at 5 seconds, becoming sw 3 ft at 4 seconds and ne 1 foot at
5 seconds. 
.sun night through mon night...sw winds 15 to 20 kt with gusts up
to 25 kt. seas 2 to 4 ft. wave detail: sw 3 ft at 4 seconds and
se 2 ft at 9 seconds. 
.tue and tue night...sw winds 20 to 25 kt, increasing to 25 to
30 kt. seas 2 to 4 ft. wave detail: s 4 ft at 5 seconds and s
4 ft at 8 seconds. 
.wed and wed night...sw winds 25 to 30 kt, becoming w 20 to
25 kt. seas 3 to 5 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.

$$

fzus51 kbox 272004
cwfbox
expires:202603280900;;396058

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt fri mar 27 2026

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


anz233-280900-
vineyard sound-
404 pm edt fri mar 27 2026

.tonight...ne winds 10 to 15 kt. seas 2 to 4 ft. wave detail: s
3 ft at 8 seconds and n 1 foot at 4 seconds. 
.sat...n winds 10 to 15 kt. gusts up to 20 kt in the morning.
seas 2 to 3 ft. wave detail: n 2 ft at 4 seconds and s 2 ft at
8 seconds. 
.sat night...nw winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. seas 1 foot or less. wave detail: ne 1 foot at
3 seconds and nw 1 foot at 4 seconds. 
.sun...w winds 5 to 10 kt, becoming sw 15 to 20 kt with gusts up
to 25 kt in the afternoon. seas 1 foot or less, then 2 to 3 ft in
the afternoon. wave detail: w 1 foot at 3 seconds and ne 1 foot
at 5 seconds, becoming sw 3 ft at 4 seconds and ne 1 foot at
5 seconds. 
.sun night through mon night...sw winds 20 to 25 kt. seas 2 to
4 ft. wave detail: sw 4 ft at 6 seconds and s 4 ft at 9 seconds. 
.tue...sw winds 20 to 25 kt. seas 2 to 3 ft. wave detail: s 3 ft
at 8 seconds and sw 2 ft at 5 seconds. 
.tue night...sw winds 25 to 30 kt with gusts up to 35 kt. seas
3 to 5 ft. 
.wed and wed night...sw winds 25 to 30 kt with gusts up to 35 kt,
becoming w 20 to 25 kt. seas 4 to 6 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.

$$

fzus51 kbox 272004
cwfbox
expires:202603280900;;396059

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt fri mar 27 2026

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


anz234-280900-
buzzards bay-
404 pm edt fri mar 27 2026

.tonight...ne winds 5 to 10 kt, becoming n 10 to 15 kt after
midnight. seas 2 to 3 ft. wave detail: ne 2 ft at 3 seconds and
sw 2 ft at 8 seconds. 
.sat...n winds 10 to 15 kt. seas around 2 ft. wave detail: n 2 ft
at 4 seconds and s 2 ft at 8 seconds. 
.sat night...nw winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. seas 1 foot or less. wave detail: ne 1 foot at
3 seconds and w 1 foot at 4 seconds. 
.sun...w winds 10 to 15 kt, becoming sw 15 to 20 kt with gusts up
to 25 kt in the afternoon. seas 1 foot or less, then 2 to 3 ft in
the afternoon. wave detail: w 1 foot at 3 seconds and ne 1 foot
at 5 seconds, becoming sw 3 ft at 4 seconds and ne 1 foot at
5 seconds. 
.sun night through mon night...sw winds 20 to 25 kt. seas 2 to
4 ft. wave detail: sw 4 ft at 5 seconds and s 3 ft at 9 seconds. 
.tue and tue night...sw winds 15 to 20 kt, increasing to 25 to
30 kt. seas 2 to 4 ft. wave detail: sw 4 ft at 5 seconds and sw
4 ft at 8 seconds. 
.wed and wed night...sw winds 25 to 30 kt, becoming w 20 to
25 kt. seas 3 to 5 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.

$$

fzus51 kbox 272004
cwfbox
expires:202603280900;;396060

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt fri mar 27 2026

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


anz235-280900-
rhode island sound-
404 pm edt fri mar 27 2026

...small craft advisory in effect until 5 pm edt this afternoon...

.tonight...ne winds 10 to 15 kt. seas 3 to 5 ft, subsiding to
2 to 3 ft after midnight. wave detail: s 5 ft at 8 seconds and ne
1 foot at 3 seconds, becoming s 3 ft at 8 seconds and ne 1 foot
at 3 seconds. 
.sat...n winds 10 to 15 kt. gusts up to 20 kt in the morning.
seas 2 to 4 ft. wave detail: s 3 ft at 8 seconds and n 2 ft at
3 seconds. 
.sat night...nw winds 10 to 15 kt. seas around 2 ft. wave detail:
nw 2 ft at 3 seconds and s 2 ft at 7 seconds. 
.sun...w winds 10 to 15 kt, becoming sw 15 to 20 kt with gusts up
to 25 kt in the afternoon. seas 2 to 3 ft. wave detail: sw 3 ft
at 4 seconds and ne 1 foot at 4 seconds. 
.sun night through mon night...sw winds 20 to 25 kt. seas 3 to
5 ft. wave detail: sw 5 ft at 5 seconds and s 5 ft at 9 seconds. 
.tue...sw winds 20 to 25 kt. seas 3 to 4 ft. wave detail: s 4 ft
at 8 seconds and sw 1 foot at 4 seconds. 
.tue night...sw winds 25 to 30 kt with gusts up to 35 kt. seas
4 to 6 ft. 
.wed and wed night...sw winds 25 to 30 kt, becoming w 20 to
25 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.

$$

fzus51 kbox 272004
cwfbox
expires:202603280900;;396063

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt fri mar 27 2026

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


anz236-280900-
narragansett bay-
404 pm edt fri mar 27 2026

.tonight...ne winds 5 to 10 kt. waves 2 to 3 ft. 
.sat...n winds 10 to 15 kt. waves around 2 ft. 
.sat night...nw winds 5 to 10 kt. waves around 2 ft in the
evening, then 1 foot or less. 
.sun...w winds 5 to 10 kt, becoming sw 15 to 20 kt with gusts up
to 25 kt in the afternoon. waves 1 foot or less, then 2 to 3 ft
in the afternoon. 
.sun night through mon night...sw winds 15 to 20 kt with gusts up
to 25 kt. waves 2 to 4 ft. 
.tue...sw winds 15 to 20 kt with gusts up to 25 kt. waves 2 to
3 ft. 
.tue night...sw winds 20 to 25 kt with gusts up to 30 kt. waves
3 to 5 ft. a chance of rain. 
.wed and wed night...sw winds 20 to 25 kt, becoming nw 15 to
20 kt. gusts up to 30 kt. waves 4 to 6 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.

$$

fzus51 kbox 272004
cwfbox
expires:202603280900;;396051

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt fri mar 27 2026

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


anz250-280900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
404 pm edt fri mar 27 2026

...small craft advisory in effect until 8 pm edt this evening...

.tonight...n winds 10 to 15 kt. gusts up to 20 kt after midnight.
seas 3 to 4 ft. wave detail: n 3 ft at 5 seconds and se 2 ft at
9 seconds. 
.sat...n winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
4 ft. wave detail: ne 4 ft at 6 seconds and se 2 ft at 8 seconds.
.sat night...s winds 5 to 10 kt, becoming nw 10 to 15 kt after
midnight. seas 2 to 4 ft. wave detail: nw 2 ft at 3 seconds and
ne 2 ft at 5 seconds. 
.sun...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: sw 3 ft
at 4 seconds and ne 1 foot at 5 seconds. 
.sun night and mon...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 5 ft. wave detail: s 4 ft at 5 seconds and e 1 foot at
8 seconds. 
.mon night...sw winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 4 ft. wave detail: s 3 ft at 5 seconds and e
1 foot at 8 seconds. 
.tue...s winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. a chance of rain. 
.tue night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 ft. a chance of rain. 
.wed and wed night...sw winds 20 to 25 kt, becoming nw. gusts up
to 30 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.

$$

fzus51 kbox 272004
cwfbox
expires:202603280900;;396054

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt fri mar 27 2026

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


anz254-280900-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
404 pm edt fri mar 27 2026

...small craft advisory in effect through saturday evening...

.tonight...ne winds 10 to 15 kt. seas 3 to 5 ft. wave detail: s
4 ft at 8 seconds and n 3 ft at 6 seconds. 
.sat...n winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
5 ft. wave detail: n 3 ft at 6 seconds and s 3 ft at 8 seconds. 
.sat night...nw winds 5 to 10 kt. seas 3 to 4 ft. wave detail: ne
3 ft at 6 seconds and se 2 ft at 8 seconds. 
.sun...w winds 5 to 10 kt, becoming sw 15 to 20 kt with gusts up
to 25 kt in the afternoon. seas 2 to 4 ft. wave detail: sw 3 ft
at 4 seconds and ne 2 ft at 5 seconds. 
.sun night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: sw 4 ft at 5 seconds and e 2 ft at
8 seconds. 
.mon and mon night...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 4 to 6 ft. wave detail: sw 4 ft at 5 seconds and se 4 ft at
8 seconds. 
.tue...s winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. 
.tue night...sw winds 25 to 30 kt. seas 5 to 7 ft. 
.wed and wed night...sw winds 25 to 30 kt, becoming w 20 to
25 kt. seas 5 to 8 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.

$$

fzus51 kbox 272004
cwfbox
expires:202603280900;;396055

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt fri mar 27 2026

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


anz255-280900-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
404 pm edt fri mar 27 2026

...small craft advisory in effect through saturday evening...

.tonight...ne winds 10 to 15 kt. gusts up to 20 kt this evening.
seas 4 to 6 ft. wave detail: s 5 ft at 8 seconds and n 3 ft at
4 seconds. 
.sat...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: n 3 ft at 4 seconds and s 3 ft at 8 seconds. 
.sat night...nw winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. seas 2 to 4 ft. wave detail: w 2 ft at 4 seconds and ne
2 ft at 5 seconds. 
.sun...w winds 5 to 10 kt, becoming sw 15 to 20 kt in the
afternoon. seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and
e 2 ft at 5 seconds. 
.sun night...sw winds 20 to 25 kt. seas 3 to 5 ft. wave detail:
sw 5 ft at 6 seconds and e 2 ft at 8 seconds. 
.mon...sw winds around 20 kt with gusts up to 25 kt. seas 5 to
7 ft. wave detail: sw 6 ft at 7 seconds and e 1 foot at
8 seconds. 
.mon night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
5 to 7 ft, subsiding to 3 to 5 ft after midnight. 
.tue...sw winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. 
.tue night and wed...sw winds 25 to 30 kt with gusts up to 40 kt.
seas 5 to 8 ft. 
.wed night...w winds 25 to 30 kt. seas 6 to 8 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.

$$