fzus51 kbox 130502
cwfbox
expires:202604131800;;278211

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

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


anz231-131800-
cape cod bay-
102 am edt mon apr 13 2026

...gale warning in effect from 6 am edt this morning through this
afternoon...

.rest of tonight...s winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 3 ft. a slight chance of showers. 
.mon...sw winds 20 to 25 kt with gusts up to 35 kt. seas 3 to
5 ft. 
.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. 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 and thu night...se winds 5 to 10 kt, becoming s. seas around
2 ft. 
.fri...sw winds 5 to 10 kt. seas around 2 ft. a chance of
showers. 
.fri night...n winds 5 to 10 kt. seas 1 foot or less.  

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 130502
cwfbox
expires:202604131800;;278215

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

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


anz232-131800-
nantucket sound-
102 am edt mon apr 13 2026

...gale warning in effect from 6 am edt this morning through this
afternoon...

.rest of tonight...s winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 3 ft. a slight chance of showers. 
.mon...sw winds 20 to 25 kt with gusts up to 35 kt. seas 3 to
5 ft. areas of fog in the afternoon with vsby 1 to 3 nm. 
.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. 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 and wed...sw winds 10 to 15 kt with gusts up to 20 kt.
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 130502
cwfbox
expires:202604131800;;278216

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

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


anz233-131800-
vineyard sound-
102 am edt mon apr 13 2026

...gale warning in effect from 6 am edt this morning through this
afternoon...

.rest of tonight...s winds 10 to 15 kt with gusts up to 25 kt.
seas 3 to 4 ft. a slight chance of showers. 
.mon...s winds 15 to 20 kt, becoming sw 20 to 25 kt in the
afternoon. gusts up to 35 kt. seas 4 to 6 ft. areas of fog in the
afternoon with vsby 1 to 3 nm. 
.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 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 and wed...sw winds 10 to 15 kt with gusts up to 20 kt.
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 130502
cwfbox
expires:202604131800;;278217

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

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


anz234-131800-
buzzards bay-
102 am edt mon apr 13 2026

...gale warning in effect from 6 am edt this morning through this
afternoon...

.rest of tonight...s winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 4 ft. a slight chance of showers. 
.mon...sw winds 15 to 20 kt with gusts up to 35 kt. seas 4 to
6 ft. areas of fog in the afternoon with vsby 1 to 3 nm. 
.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 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 and wed...sw winds 5 to 10 kt with gusts up to 20 kt.
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 and thu night...s winds 10 to 15 kt. seas 2 to 3 ft. 
.fri...sw winds 10 to 15 kt. seas around 2 ft. a chance of
showers. 
.fri night...nw 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 130502
cwfbox
expires:202604131800;;278218

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

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


anz235-131800-
rhode island sound-
102 am edt mon apr 13 2026

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

.rest of tonight...s winds 10 to 15 kt with gusts up to 25 kt.
seas 3 to 4 ft. 
.mon...sw winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft, building to 5 to 7 ft in the afternoon. areas of fog in the
afternoon with vsby 1 to 3 nm. 
.mon night...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 130502
cwfbox
expires:202604131800;;278221

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

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


anz236-131800-
narragansett bay-
102 am edt mon apr 13 2026

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

.rest of tonight...s winds 10 to 15 kt with gusts up to 20 kt.
waves 2 to 3 ft. 
.mon...sw winds 15 to 20 kt with gusts up to 30 kt. waves 3 to
4 ft. 
.mon night...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 and wed...sw winds 5 to 10 kt with gusts up to 20 kt.
waves 2 to 3 ft. 
.wed night...sw winds 5 to 10 kt. waves around 2 ft. a chance of
showers. 
.thu and thu night...s winds 5 to 10 kt. waves 2 to 3 ft. 
.fri...sw winds 5 to 10 kt. waves around 2 ft. a chance of
showers. 
.fri night...nw winds 5 to 10 kt. waves 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 130502
cwfbox
expires:202604131800;;278209

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

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


anz250-131800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
102 am edt mon apr 13 2026

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

.rest of tonight...s winds 15 to 20 kt with gusts up to 30 kt.
seas 3 to 4 ft. a chance of showers. 
.mon...s winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. a chance of showers in the morning. 
.mon night...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 night...ne winds 10 to 15 kt. seas 2 to 3 ft. a
chance of showers.  

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 130502
cwfbox
expires:202604131800;;278212

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

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


anz254-131800-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
102 am edt mon apr 13 2026

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

.rest of tonight...s winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 4 ft. a slight chance of showers. 
.mon...sw winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. areas of fog in the afternoon with vsby 1 to 3 nm. 
.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. 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. 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. areas of 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 130502
cwfbox
expires:202604131800;;278213

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

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

.rest of tonight...s winds around 15 kt with gusts up to 25 kt.
seas 3 to 4 ft. 
.mon...sw winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft, building to 5 to 8 ft in the afternoon. areas of fog in the
afternoon with vsby 1 to 3 nm. 
.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. 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. 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. areas of 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.

$$