fzus51 kbox 131402
cwfbox
expires:202604140300;;299327

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1002 am edt mon apr 13 2026

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


anz231-140300-
cape cod bay-
1002 am edt mon apr 13 2026

...gale warning in effect until 6 pm edt this evening...

.this afternoon...sw winds 20 to 25 kt with gusts up to 35 kt.
seas 3 to 5 ft. a slight chance of showers. 
.tonight...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. areas of fog. vsby 1 to 3 nm. 
.tue...w winds 5 to 10 kt, becoming s 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas around 2 ft. 
.tue night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
around 2 ft. a chance of showers. 
.wed...sw winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
seas around 2 ft. 
.wed night...sw winds 5 to 10 kt. seas around 2 ft in the
evening, then 1 foot or less. a chance of showers. 
.thu through fri night...n winds 5 to 10 kt. seas around 2 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 131402
cwfbox
expires:202604140300;;299331

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1002 am edt mon apr 13 2026

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


anz232-140300-
nantucket sound-
1002 am edt mon apr 13 2026

...gale warning in effect until 6 pm edt this evening...

.this afternoon...sw winds 20 to 25 kt with gusts up to 35 kt.
seas 3 to 5 ft. a slight chance of showers. areas of fog with
vsby 1 to 3 nm. 
.tonight...sw winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. gusts up to 30 kt. seas 3 to 5 ft. areas of fog. vsby
1 nm or less. 
.tue...w winds 5 to 10 kt, becoming s in the afternoon. seas 2 to
3 ft. areas of fog in the morning with vsby 1 nm or less. 
.tue night...sw winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 3 ft. 
.wed...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. 
.wed night...sw winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas 2 to 3 ft. a
chance of showers. 
.thu through fri night...nw winds 10 to 15 kt. seas 2 to 3 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 131402
cwfbox
expires:202604140300;;299332

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1002 am edt mon apr 13 2026

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


anz233-140300-
vineyard sound-
1002 am edt mon apr 13 2026

...gale warning in effect until 6 pm edt this evening...

.this afternoon...sw winds 20 to 25 kt with gusts up to 35 kt.
seas 4 to 6 ft. a slight chance of showers. areas of fog with
vsby 1 to 3 nm. 
.tonight...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 4 to 6 ft. areas of fog. vsby 1 nm or less. 
.tue...w winds 5 to 10 kt, becoming sw in the afternoon. seas
2 to 4 ft. areas of fog in the morning with vsby 1 nm or less. 
.tue night...sw winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 3 ft. 
.wed...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. 
.wed night...sw winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas 2 to 3 ft. a
chance of showers. 
.thu through fri night...nw winds 10 to 15 kt. seas 2 to 3 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 131402
cwfbox
expires:202604140300;;299333

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1002 am edt mon apr 13 2026

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


anz234-140300-
buzzards bay-
1002 am edt mon apr 13 2026

...gale warning in effect until 6 pm edt this evening...

.this afternoon...sw winds around 20 kt with gusts up to 35 kt.
seas 4 to 6 ft. a slight chance of showers. areas of fog with
vsby 1 to 3 nm. 
.tonight...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 3 to 5 ft. areas of fog. vsby 1 nm or less. 
.tue...w winds 5 to 10 kt, becoming s in the afternoon. seas 2 to
3 ft. areas of fog in the morning with vsby 1 nm or less. 
.tue night...sw winds 5 to 10 kt. seas around 2 ft. 
.wed...sw winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
seas around 2 ft. 
.wed night...sw winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas around 2 ft. a
chance of showers. 
.thu through fri night...nw winds 10 to 15 kt. seas 2 to 3 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 131402
cwfbox
expires:202604140300;;299334

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1002 am edt mon apr 13 2026

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


anz235-140300-
rhode island sound-
1002 am edt mon apr 13 2026

...small craft advisory in effect through late tonight...

.this afternoon...sw winds 20 to 25 kt with gusts up to 30 kt.
seas 4 to 5 ft, building to 5 to 7 ft. a slight chance of
showers. areas of fog with vsby 1 to 3 nm. 
.tonight...sw winds 15 to 20 kt. gusts up to 30 kt in the
evening. seas 5 to 7 ft. areas of fog. vsby 1 nm or less. 
.tue...w winds 5 to 10 kt, becoming s 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 3 to 5 ft. areas of fog in the
morning with vsby 1 nm or less.
.tue night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 4 ft. patchy fog in the evening with vsby 1 to 3 nm. 
.wed...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 3 to 4 ft. 
.wed night...sw winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 3 to 4 ft. a chance of showers. 
.thu through fri night...nw winds 10 to 15 kt. seas 2 to 4 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 131402
cwfbox
expires:202604140300;;299337

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1002 am edt mon apr 13 2026

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


anz236-140300-
narragansett bay-
1002 am edt mon apr 13 2026

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

.this afternoon...sw winds 15 to 20 kt with gusts up to 30 kt.
waves 3 to 4 ft. a slight chance of showers. 
.tonight...sw winds 10 to 15 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. waves 2 to 4 ft. areas
of fog after midnight with vsby 1 to 3 nm. 
.tue...sw winds 5 to 10 kt with gusts up to 20 kt. waves 2 to
3 ft. 
.tue night...sw winds 5 to 10 kt. waves 2 to 3 ft. 
.wed...sw winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
waves around 2 ft. 
.wed night...sw winds 5 to 10 kt. waves around 2 ft. a chance of
showers. 
.thu through fri night...nw winds 5 to 10 kt. waves 2 to 3 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 131402
cwfbox
expires:202604140300;;299325

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1002 am edt mon apr 13 2026

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


anz250-140300-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1002 am edt mon apr 13 2026

...small craft advisory in effect through late tonight...

.this afternoon...sw winds 20 to 25 kt with gusts up to 30 kt.
seas 4 to 6 ft. a slight chance of showers. 
.tonight...sw winds 20 to 25 kt with gusts up to 30 kt, becoming
w 15 to 20 kt after midnight. seas 4 to 6 ft. areas of fog. vsby
1 nm or less. 
.tue...w winds 5 to 10 kt, becoming se 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 2 to 4 ft. 
.tue night...s winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. a chance of showers. 
.wed...sw winds 5 to 10 kt, becoming s in the afternoon. gusts up
to 20 kt. seas 2 to 3 ft. 
.wed night...sw winds 10 to 15 kt with gusts up to 20 kt,
becoming w 5 to 10 kt after midnight. seas around 2 ft. a chance
of showers. 
.thu through fri...sw winds 10 to 15 kt. seas 2 to 3 ft. a chance
of showers. 
.fri night...ne winds 5 to 10 kt. seas around 2 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 131402
cwfbox
expires:202604140300;;299328

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1002 am edt mon apr 13 2026

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


anz254-140300-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1002 am edt mon apr 13 2026

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

.this afternoon...sw winds 20 to 25 kt with gusts up to 30 kt.
seas 5 to 7 ft. a slight chance of showers. areas of fog with
vsby 1 to 3 nm. 
.tonight...sw winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. gusts up to 30 kt. seas 5 to 7 ft. areas of fog. vsby
1 nm or less. 
.tue...w winds 5 to 10 kt, becoming s with gusts up to 20 kt in
the afternoon. seas 3 to 5 ft. areas of fog in the morning.
patchy fog in the afternoon. vsby 1 nm or less, increasing to
1 to 3 nm in the afternoon. 
.tue night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 4 ft. patchy fog in the evening with vsby 1 nm or less. 
.wed and wed night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. 
.thu through fri night...nw winds 10 to 15 kt. seas 2 to 4 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 131402
cwfbox
expires:202604140300;;299329

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1002 am edt mon apr 13 2026

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


anz255-140300-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1002 am edt mon apr 13 2026

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

.this afternoon...sw winds 20 to 25 kt with gusts up to 30 kt.
seas 5 to 6 ft, building to 5 to 8 ft. areas of fog. a slight
chance of showers with vsby 1 to 3 nm. 
.tonight...sw winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. gusts up to 30 kt. seas 6 to 9 ft. areas of fog. vsby
1 nm or less. 
.tue...w winds 10 to 15 kt, becoming sw in the afternoon. seas
4 to 6 ft. areas of fog in the morning, then patchy fog in the
afternoon. vsby 1 nm or less, increasing to 1 to 3 nm in the
afternoon. 
.tue night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 4 ft. patchy fog in the evening with vsby 1 nm or less. 
.wed and wed night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 3 to 4 ft. 
.thu through fri night...nw winds 10 to 15 kt with gusts up to
20 kt. seas 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.

$$