fzus51 kbox 312305
cwfbox
expires:202606011200;;972721

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
705 pm edt sun may 31 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz231-011200-
cape cod bay-
705 pm edt sun may 31 2026

.tonight...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: ne
3 ft at 11 seconds and se 2 ft at 10 seconds. showers likely this
evening. 
.mon...ne winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: n 2 ft at 5 seconds and ne 2 ft at 9 seconds. 
.mon night...ne winds around 5 kt, becoming n after midnight.
seas around 2 ft. wave detail: ne 2 ft at 9 seconds and e 2 ft at
11 seconds. 
.tue...sw winds around 5 kt, becoming se in the afternoon. seas
around 2 ft. wave detail: e 2 ft at 10 seconds and sw 1 foot at
4 seconds. 
.tue night...sw winds 5 to 10 kt, becoming w after midnight. seas
around 2 ft. wave detail: s 1 foot at 2 seconds and e 1 foot at
4 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas 1 foot or less.
wave detail: w 1 foot at 2 seconds and ne 1 foot at 3 seconds. 
.thu through fri night...sw winds 5 to 10 kt with gusts up to
20 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 312305
cwfbox
expires:202606011200;;972725

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
705 pm edt sun may 31 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz232-011200-
nantucket sound-
705 pm edt sun may 31 2026

.tonight...w winds 5 to 10 kt. seas 2 to 4 ft. wave detail: sw
2 ft at 4 seconds and ne 2 ft at 5 seconds. showers likely,
mainly this evening. 
.mon...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: ne 2 ft at 4 seconds and e 2 ft at 9 seconds. 
.mon night...ne winds 5 to 10 kt. seas 2 to 3 ft. wave detail: ne
2 ft at 4 seconds and e 2 ft at 9 seconds. 
.tue...ne winds around 5 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: e 2 ft at 9 seconds and sw 1 foot at
5 seconds. 
.tue night...sw winds 5 to 10 kt, becoming w after midnight. seas
around 2 ft. wave detail: sw 1 foot at 3 seconds and e 1 foot at
5 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: w 1 foot at 2 seconds and e 1 foot at 5 seconds. 
.thu through fri night...sw winds 10 to 15 kt with gusts up to
20 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 312305
cwfbox
expires:202606011200;;972726

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
705 pm edt sun may 31 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz233-011200-
vineyard sound-
705 pm edt sun may 31 2026

.tonight...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: sw
2 ft at 4 seconds and ne 1 foot at 6 seconds. showers likely,
mainly this evening. 
.mon...n winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. wave detail: ne 2 ft at 3 seconds and w 2 ft at 5 seconds. 
.mon night...ne winds 10 to 15 kt, diminishing to around 5 kt
after midnight. seas around 2 ft. wave detail: ne 2 ft at
3 seconds and sw 1 foot at 5 seconds. 
.tue...nw winds around 5 kt, becoming s in the afternoon. seas
1 foot or less, then around 2 ft in the afternoon. wave detail:
sw 1 foot at 5 seconds and ne 1 foot at 5 seconds, becoming se
2 ft at 6 seconds and e 1 foot at 9 seconds. 
.tue night...sw winds 5 to 10 kt, becoming w after midnight. seas
around 2 ft. wave detail: se 2 ft at 4 seconds and se 1 foot at
8 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: e 2 ft at 9 seconds and w 1 foot at 3 seconds. 
.thu through fri night...sw winds 10 to 15 kt with gusts up to
20 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 312305
cwfbox
expires:202606011200;;972727

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
705 pm edt sun may 31 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz234-011200-
buzzards bay-
705 pm edt sun may 31 2026

.tonight...w winds 5 to 10 kt. seas around 2 ft. wave detail: sw
2 ft at 4 seconds and ne 1 foot at 6 seconds. showers likely,
mainly this evening. 
.mon...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: ne 2 ft at 3 seconds and w 1 foot at
5 seconds. 
.mon night...ne winds 5 to 10 kt, becoming n after midnight. seas
around 2 ft in the evening, then 1 foot or less. wave detail: ne
1 foot at 3 seconds and sw 1 foot at 5 seconds. 
.tue...nw winds around 5 kt, becoming s in the afternoon. seas
1 foot or less, then around 2 ft in the afternoon. wave detail:
ne 1 foot at 4 seconds and sw 1 foot at 5 seconds, becoming s
1 foot at 5 seconds and e 1 foot at 6 seconds. 
.tue night...sw winds 5 to 10 kt, becoming w after midnight. seas
1 foot or less. wave detail: ne 1 foot at 5 seconds and s 1 foot
at 5 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas 1 foot or less.
wave detail: sw 1 foot at 3 seconds and e 1 foot at 4 seconds. 
.thu through fri night...sw winds 10 to 15 kt with gusts up to
20 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 312305
cwfbox
expires:202606011200;;972728

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
705 pm edt sun may 31 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz235-011200-
rhode island sound-
705 pm edt sun may 31 2026

.tonight...sw winds 10 to 15 kt. seas 2 to 4 ft. wave detail: sw
3 ft at 4 seconds and se 2 ft at 11 seconds. showers likely,
mainly this evening. 
.mon...n winds 10 to 15 kt, becoming ne with gusts up to 20 kt in
the afternoon. seas 2 to 3 ft. wave detail: ne 3 ft at 4 seconds
and ne 2 ft at 3 seconds. 
.mon night...ne winds 10 to 15 kt, diminishing to around 5 kt
after midnight. seas 2 to 3 ft. wave detail: ne 3 ft at 4 seconds
and ne 2 ft at 4 seconds. 
.tue...n winds around 5 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: s 2 ft at 6 seconds and ne 1 foot at
3 seconds. 
.tue night...sw winds 5 to 10 kt, becoming nw after midnight.
seas around 2 ft. wave detail: se 2 ft at 5 seconds and se 2 ft
at 9 seconds. 
.wed and wed night...w winds 5 to 10 kt. seas around 2 ft. wave
detail: se 2 ft at 9 seconds and w 1 foot at 2 seconds. 
.thu through fri...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. 
.fri night...sw 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.

$$

fzus51 kbox 312305
cwfbox
expires:202606011200;;972731

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
705 pm edt sun may 31 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz236-011200-
narragansett bay-
705 pm edt sun may 31 2026

.tonight...w winds 5 to 10 kt. waves around 2 ft. showers likely
with isolated tstms this evening, then a chance of showers after
midnight. 
.mon...n winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
waves around 2 ft. 
.mon night...ne winds 5 to 10 kt, becoming n after midnight.
waves around 2 ft. 
.tue...w winds around 5 kt, becoming s in the afternoon. waves
1 foot or less, then around 2 ft in the afternoon. 
.tue night...sw winds 5 to 10 kt, becoming nw after midnight.
waves around 2 ft. 
.wed and wed night...sw winds 5 to 10 kt. waves around 2 ft. 
.thu through fri night...sw winds 10 to 15 kt with gusts up to
20 kt. waves 2 to 3 ft.  

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 312305
cwfbox
expires:202606011200;;972719

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
705 pm edt sun may 31 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz250-011200-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
705 pm edt sun may 31 2026

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

.tonight...sw winds 5 to 10 kt, becoming nw after midnight. seas
3 to 4 ft. wave detail: e 4 ft at 9 seconds and ne 2 ft at
6 seconds. a chance of showers with isolated tstms this evening. 
.mon...ne winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
4 ft. wave detail: e 4 ft at 9 seconds and ne 3 ft at 6 seconds. 
.mon night...e winds around 5 kt, becoming w after midnight. seas
2 to 4 ft. wave detail: e 4 ft at 9 seconds and ne 2 ft at
4 seconds. 
.tue...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e 3 ft at
9 seconds and ne 1 foot at 4 seconds. 
.tue night...s winds around 10 kt, becoming w after midnight.
seas around 2 ft. wave detail: e 2 ft at 4 seconds and e 2 ft at
9 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: ne 2 ft at 4 seconds and e 2 ft at 9 seconds. 
.thu through fri night...sw winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 4 ft.  

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 312305
cwfbox
expires:202606011200;;972722

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
705 pm edt sun may 31 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz254-011200-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
705 pm edt sun may 31 2026

...small craft advisory in effect until 7 am edt monday...

.tonight...w winds 5 to 10 kt. seas 4 to 6 ft. wave detail: e
6 ft at 9 seconds and ne 2 ft at 6 seconds. a chance of showers
with isolated tstms this evening, then a slight chance of showers
after midnight. 
.mon...n winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
4 ft. wave detail: e 4 ft at 9 seconds and ne 3 ft at 4 seconds. 
.mon night...ne winds 5 to 10 kt. seas 3 to 4 ft. wave detail: e
4 ft at 9 seconds and ne 2 ft at 3 seconds. 
.tue...ne winds around 5 kt, becoming s in the afternoon. seas
2 to 4 ft. wave detail: e 3 ft at 9 seconds and ne 2 ft at
4 seconds. 
.tue night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e
3 ft at 9 seconds and ne 1 foot at 4 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: e 3 ft at 8 seconds and sw 1 foot at 3 seconds. 
.thu and thu night...sw winds 10 to 15 kt. seas 2 to 4 ft. 
.fri and fri night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 3 to 5 ft.  

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 312305
cwfbox
expires:202606011200;;972723

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
705 pm edt sun may 31 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz255-011200-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
705 pm edt sun may 31 2026

...small craft advisory in effect until 7 am edt monday...

.tonight...sw winds 10 to 15 kt. seas 4 to 6 ft. wave detail: e
5 ft at 10 seconds and w 3 ft at 4 seconds. showers likely,
mainly this evening. 
.mon...nw winds 10 to 15 kt, becoming ne 15 to 20 kt in the
afternoon. seas 3 to 4 ft. wave detail: e 4 ft at 9 seconds and
ne 3 ft at 4 seconds. 
.mon night...ne winds 10 to 15 kt, diminishing to around 5 kt
after midnight. seas 2 to 4 ft. wave detail: e 4 ft at 9 seconds
and ne 3 ft at 4 seconds. 
.tue...ne winds 5 to 10 kt, becoming se in the afternoon. seas
2 to 4 ft. wave detail: e 3 ft at 9 seconds and sw 1 foot at
5 seconds. 
.tue night...s winds 5 to 10 kt, becoming nw after midnight. seas
2 to 3 ft. wave detail: e 3 ft at 10 seconds and e 1 foot at
4 seconds. 
.wed and wed night...w winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: e 3 ft at 8 seconds and w 1 foot at 3 seconds. 
.thu and thu night...sw winds 10 to 15 kt. seas 2 to 4 ft. 
.fri...sw winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
5 ft. 
.fri night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
4 to 6 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.

$$