fzus51 kbox 292006
cwfbox
expires:202603300900;;501435

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sun mar 29 2026

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


anz231-300900-
cape cod bay-
405 pm edt sun mar 29 2026

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

.tonight...sw winds 15 to 20 kt with gusts up to 25 kt. seas
around 2 ft. wave detail: sw 2 ft at 3 seconds and s 2 ft at
6 seconds. 
.mon...sw winds 15 to 20 kt with gusts up to 30 kt. seas 2 to
3 ft. wave detail: s 3 ft at 5 seconds and e 1 foot at 8 seconds.
.mon night...sw winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. seas 2 to 3 ft. wave detail:
sw 3 ft at 4 seconds and s 3 ft at 7 seconds. 
.tue...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas around 2 ft. wave detail: s 2 ft at 4 seconds and s 2 ft at
7 seconds. 
.tue night...sw winds 20 to 25 kt, increasing to 25 to 30 kt
after midnight. seas 2 to 4 ft. wave detail: sw 4 ft at 4 seconds
and s 4 ft at 7 seconds. 
.wed...sw winds 20 to 25 kt with gusts up to 30 kt. seas 2 to
4 ft. wave detail: sw 4 ft at 4 seconds and s 4 ft at 7 seconds.
a chance of rain in the afternoon. 
.wed night...w winds 15 to 20 kt, becoming n 10 to 15 kt after
midnight. gusts up to 25 kt. seas 2 to 3 ft. rain likely. 
.thu...ne winds 15 to 20 kt. seas 2 to 3 ft. a chance of rain. 
.thu night and fri...ne winds 10 to 15 kt, becoming e 15 to
20 kt. seas 2 to 3 ft. rain likely. 
.fri night...n winds 15 to 20 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 292006
cwfbox
expires:202603300900;;501439

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sun mar 29 2026

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


anz232-300900-
nantucket sound-
405 pm edt sun mar 29 2026

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

.tonight...sw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: sw 3 ft at 5 seconds and ne 1 foot at
5 seconds. 
.mon...sw winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: sw 4 ft at 5 seconds and e 1 foot at
8 seconds. 
.mon night...sw winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. gusts up to 30 kt. seas 3 to 5 ft. wave detail:
sw 4 ft at 4 seconds and sw 3 ft at 8 seconds. 
.tue...sw winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 3 to 5 ft. wave detail: sw
3 ft at 4 seconds and sw 2 ft at 8 seconds. 
.tue night...sw winds 20 to 25 kt, increasing to 25 to 30 kt
after midnight. seas 5 to 7 ft. wave detail: sw 4 ft at 4 seconds
and s 4 ft at 7 seconds. 
.wed...sw winds 25 to 30 kt with gusts up to 35 kt. seas 5 to
7 ft. wave detail: sw 5 ft at 5 seconds and sw 4 ft at 8 seconds.
a chance of rain in the afternoon. 
.wed night...sw winds 20 to 25 kt, becoming n 15 to 20 kt after
midnight. seas 3 to 5 ft. rain likely with a chance of tstms. 
.thu...ne winds 15 to 20 kt. seas 2 to 4 ft. a chance of rain. 
.thu night through fri night...nw winds 15 to 20 kt with gusts up
to 25 kt. seas 2 to 4 ft. a chance of rain.  

winds and seas higher in and near tstms.

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 292006
cwfbox
expires:202603300900;;501440

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sun mar 29 2026

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


anz233-300900-
vineyard sound-
405 pm edt sun mar 29 2026

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

.tonight...sw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: s 4 ft at 6 seconds and ne 1 foot at
5 seconds. 
.mon...sw winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: sw 6 ft at 7 seconds and sw 2 ft at 4 seconds.
.mon night...sw winds 20 to 25 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 30 kt. seas 4 to 6 ft. wave detail:
sw 6 ft at 8 seconds and sw 2 ft at 4 seconds. 
.tue...sw winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. wave detail: sw 4 ft at 7 seconds and sw 2 ft at 4 seconds.
.tue night...sw winds 25 to 30 kt with gusts up to 35 kt. seas
5 to 7 ft, building to 6 to 9 ft after midnight. wave detail: sw
6 ft at 7 seconds and sw 2 ft at 4 seconds, becoming sw 8 ft at
8 seconds and sw 3 ft at 4 seconds. 
.wed...sw winds 25 to 30 kt with gusts up to 35 kt. seas 6 to
9 ft. wave detail: sw 8 ft at 8 seconds and sw 2 ft at 4 seconds.
a chance of rain in the afternoon. 
.wed night...sw winds 20 to 25 kt, becoming n 15 to 20 kt after
midnight. seas 5 to 7 ft, subsiding to 3 to 5 ft after midnight.
rain likely with a chance of tstms. 
.thu...ne winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. a chance of rain. 
.thu night through fri night...n winds 20 to 25 kt. seas 2 to
4 ft. a chance of rain.  

winds and seas higher in and near tstms.

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 292006
cwfbox
expires:202603300900;;501441

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sun mar 29 2026

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


anz234-300900-
buzzards bay-
405 pm edt sun mar 29 2026

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

.tonight...sw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: sw 3 ft at 4 seconds and s 3 ft at 7 seconds. 
.mon...sw winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: sw 5 ft at 7 seconds and sw 3 ft at 4 seconds.
.mon night...sw winds 20 to 25 kt, diminishing to 10 to 15 kt
after midnight. seas 3 to 5 ft. wave detail: sw 5 ft at 8 seconds
and sw 2 ft at 4 seconds. 
.tue...sw winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 3 to 5 ft. wave detail: sw
3 ft at 4 seconds and sw 3 ft at 7 seconds. 
.tue night...sw winds 25 to 30 kt with gusts up to 35 kt. seas
4 to 6 ft. wave detail: sw 6 ft at 7 seconds and sw 4 ft at
4 seconds. 
.wed...sw winds 25 to 30 kt with gusts up to 35 kt. seas 4 to
6 ft. wave detail: sw 6 ft at 8 seconds and sw 3 ft at 4 seconds.
a chance of rain in the afternoon. 
.wed night...w winds 15 to 20 kt, becoming n after midnight.
gusts up to 25 kt. seas 3 to 5 ft. rain likely with a chance of
tstms. 
.thu...ne winds 15 to 20 kt. seas 2 to 3 ft. a chance of rain. 
.thu night through fri night...n winds 15 to 20 kt with gusts up
to 25 kt. seas 2 to 3 ft. a chance of rain.  

winds and seas higher in and near tstms.

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 292006
cwfbox
expires:202603300900;;501442

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sun mar 29 2026

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


anz235-300900-
rhode island sound-
405 pm edt sun mar 29 2026

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

.tonight...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: s 4 ft at 6 seconds. 
.mon...sw winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. wave detail: sw 7 ft at 8 seconds and sw 2 ft at 4 seconds.
.mon night...sw winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. gusts up to 30 kt. seas 5 to 7 ft. wave detail:
sw 7 ft at 8 seconds and sw 1 foot at 4 seconds. 
.tue...sw winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
5 ft, building to 5 to 7 ft in the afternoon. wave detail: s 5 ft
at 8 seconds and e 1 foot at 9 seconds, becoming s 6 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
7 to 10 ft. wave detail: s 10 ft at 8 seconds and sw 2 ft at
4 seconds. 
.wed...sw winds 25 to 30 kt with gusts up to 35 kt. seas 7 to
10 ft. wave detail: s 10 ft at 8 seconds and sw 2 ft at
5 seconds. a chance of rain in the afternoon. 
.wed night...sw winds 15 to 20 kt, becoming n after midnight.
gusts up to 25 kt. seas 5 to 8 ft, subsiding to 4 to 6 ft after
midnight. rain likely with a chance of tstms. 
.thu...ne winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. a chance of rain. 
.thu night through fri night...n winds 20 to 25 kt. seas 3 to
5 ft. a chance of rain.  

winds and seas higher in and near tstms.

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 292006
cwfbox
expires:202603300900;;501445

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sun mar 29 2026

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


anz236-300900-
narragansett bay-
405 pm edt sun mar 29 2026

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

.tonight...sw winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. waves 2 to 3 ft.
.mon...sw winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. gusts up to 30 kt. waves 2 to 4 ft. 
.mon night...sw winds 15 to 20 kt, diminishing to 5 to 10 kt
after midnight. gusts up to 25 kt. waves 2 to 4 ft. 
.tue...sw winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
4 ft. 
.tue night...sw winds 20 to 25 kt with gusts up to 30 kt. waves
3 to 5 ft, except 5 to 8 ft at the bay entrance. 
.wed...sw winds 20 to 25 kt with gusts up to 30 kt. waves 3 to
5 ft, except 5 to 8 ft at the bay entrance. a chance of rain in
the afternoon. 
.wed night...w winds 15 to 20 kt, becoming ne 10 to 15 kt after
midnight. waves 3 to 5 ft. rain likely with a chance of tstms. 
.thu...ne winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
3 ft. a chance of rain. 
.thu night through fri night...n winds 10 to 15 kt with gusts up
to 20 kt. waves 2 to 3 ft. a chance of rain.  

winds and waves higher in and near tstms.

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 292006
cwfbox
expires:202603300900;;501433

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sun mar 29 2026

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


anz250-300900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 pm edt sun mar 29 2026

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

.tonight...sw winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
4 ft. wave detail: s 3 ft at 5 seconds and e 1 foot at 8 seconds.
.mon...sw winds around 20 kt with gusts up to 30 kt. seas 3 to
4 ft. wave detail: s 4 ft at 5 seconds and e 1 foot at 8 seconds.
.mon night...sw 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 2 to 4 ft. wave detail: sw 4 ft at 5 seconds and se 3 ft at
7 seconds. 
.tue...s winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: s 2 ft at 5 seconds. 
.tue night...s winds 15 to 20 kt, becoming sw 20 to 25 kt after
midnight. gusts up to 30 kt. seas 3 to 5 ft, building to 5 to
7 ft after midnight. wave detail: s 3 ft at 5 seconds, becoming s
5 ft at 6 seconds and ne 1 foot at 5 seconds. 
.wed...sw winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. wave detail: sw 6 ft at 6 seconds and ne 1 foot at
6 seconds. a chance of rain in the afternoon. 
.wed night...w winds 15 to 20 kt, becoming ne after midnight.
gusts up to 25 kt. seas 4 to 6 ft, subsiding to 3 to 4 ft after
midnight. a chance of rain. 
.thu...ne winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. a chance of rain. 
.thu night...e winds 15 to 20 kt. seas 3 to 5 ft. rain likely. 
.fri...e winds 15 to 20 kt. seas 4 to 6 ft. rain likely. 
.fri night...ne winds 15 to 20 kt with gusts up to 25 kt. seas
5 to 7 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 292006
cwfbox
expires:202603300900;;501436

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sun mar 29 2026

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


anz254-300900-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
405 pm edt sun mar 29 2026

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

.tonight...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: sw 4 ft at 5 seconds and ne 1 foot at
5 seconds. 
.mon...sw winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. wave detail: sw 7 ft at 6 seconds and e 1 foot at
8 seconds. 
.mon night...sw winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. gusts up to 30 kt. seas 5 to 7 ft. wave detail: s
7 ft at 7 seconds and w 2 ft at 4 seconds. 
.tue...sw winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 4 to 6 ft. wave detail: s 5 ft
at 8 seconds and sw 2 ft at 4 seconds. 
.tue night...sw winds 20 to 25 kt, increasing to 25 to 30 kt
after midnight. seas 6 to 9 ft. s and e of nantucket, seas 8 to
11 ft, building to 10 to 11 ft after midnight. wave detail: s
9 ft at 8 seconds and sw 2 ft at 4 seconds. 
.wed...sw winds 25 to 30 kt with gusts up to 35 kt. seas 7 to
10 ft. wave detail: s 9 ft at 8 seconds and sw 2 ft at 5 seconds.
a chance of rain in the afternoon. 
.wed night...sw winds 20 to 25 kt with gusts up to 30 kt,
becoming n 15 to 20 kt after midnight. seas 5 to 7 ft. rain
likely. 
.thu...ne winds 15 to 20 kt. seas 3 to 5 ft. rain likely. 
.thu night through fri night...nw winds 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 292006
cwfbox
expires:202603300900;;501437

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sun mar 29 2026

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


anz255-300900-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
405 pm edt sun mar 29 2026

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

.tonight...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: sw 5 ft at 6 seconds and sw 4 ft at 5 seconds.
.mon...sw winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft, building to 7 to 10 ft in the afternoon. wave detail: sw
7 ft at 7 seconds and sw 2 ft at 4 seconds, becoming sw 10 ft at
8 seconds and sw 2 ft at 4 seconds. 
.mon night...sw winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. gusts up to 30 kt. seas 6 to 9 ft. wave detail:
sw 9 ft at 8 seconds and sw 1 foot at 4 seconds. patchy fog after
midnight. 
.tue...sw winds 15 to 20 kt with gusts up to 25 kt. seas 5 to
8 ft. wave detail: sw 7 ft at 8 seconds and sw 1 foot at
3 seconds. 
.tue night...sw winds 25 to 30 kt, increasing to 30 to 35 kt
after midnight. seas 7 to 10 ft, building to 9 to 12 ft after
midnight. wave detail: sw 10 ft at 8 seconds and sw 2 ft at
4 seconds, becoming sw 12 ft at 8 seconds and sw 2 ft at
4 seconds. 
.wed...sw winds 25 to 30 kt with gusts up to 35 kt. seas 9 to
12 ft. wave detail: sw 12 ft at 9 seconds and sw 2 ft at
4 seconds. a chance of rain in the afternoon. 
.wed night...sw winds 20 to 25 kt with gusts up to 30 kt,
becoming n 15 to 20 kt after midnight. seas 7 to 10 ft, subsiding
to 5 to 8 ft after midnight. rain likely. 
.thu...ne winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. a chance of rain. 
.thu night through fri night...nw winds 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.

$$