fzus51 kbox 311705
cwfbox
expires:202606010600;;957191

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

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


anz231-010600-
cape cod bay-
105 pm edt sun may 31 2026

.this afternoon...s winds around 5 kt. seas 2 to 3 ft. wave
detail: n 3 ft at 7 seconds and s 1 foot at 7 seconds. a chance
of showers. 
.tonight...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: ne
3 ft at 7 seconds and sw 1 foot at 3 seconds. showers likely in
the evening. 
.mon...ne winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: n 1 foot at 3 seconds and se 1 foot at
9 seconds. 
.mon night...ne winds around 5 kt, becoming nw after midnight.
seas around 2 ft. wave detail: n 1 foot at 4 seconds and se
1 foot at 8 seconds. 
.tue...sw winds around 5 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: e 2 ft at 12 seconds and sw 1 foot at
4 seconds. 
.tue night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
s 1 foot at 2 seconds and e 1 foot at 3 seconds. 
.wed through thu night...sw 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 311705
cwfbox
expires:202606010600;;957195

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

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


anz232-010600-
nantucket sound-
105 pm edt sun may 31 2026

.this afternoon...sw winds 10 to 15 kt. seas 2 to 4 ft. wave
detail: e 3 ft at 10 seconds and w 2 ft at 3 seconds. a slight
chance of showers. 
.tonight...w winds 5 to 10 kt. seas 2 to 4 ft. wave detail: sw
2 ft at 3 seconds and e 2 ft at 5 seconds. showers likely in the
evening. 
.mon...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: e 2 ft at 5 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: se 2 ft at 9 seconds and se 2 ft at
12 seconds. 
.tue night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
s 1 foot at 3 seconds and e 1 foot at 5 seconds. 
.wed through thu night...sw winds 5 to 10 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 311705
cwfbox
expires:202606010600;;957196

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

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


anz233-010600-
vineyard sound-
105 pm edt sun may 31 2026

.this afternoon...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: sw 2 ft at 4 seconds and e 2 ft at
10 seconds. a chance of showers. 
.tonight...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
2 ft at 6 seconds and e 2 ft at 10 seconds. showers likely in the
evening. 
.mon...n winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. wave detail: w 2 ft at 5 seconds and ne 1 foot 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 1 foot at
3 seconds and sw 1 foot at 5 seconds. 
.tue...ne winds around 5 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: s 2 ft at 5 seconds and e 1 foot at
9 seconds. 
.tue night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
s 2 ft at 4 seconds and s 1 foot at 8 seconds. 
.wed through thu night...sw 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 311705
cwfbox
expires:202606010600;;957197

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

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


anz234-010600-
buzzards bay-
105 pm edt sun may 31 2026

.this afternoon...sw winds 10 to 15 kt. seas around 2 ft. wave
detail: sw 2 ft at 3 seconds and e 2 ft at 9 seconds. a chance of
showers. 
.tonight...w winds 5 to 10 kt. seas around 2 ft. wave detail: s
2 ft at 5 seconds and e 2 ft at 9 seconds. showers likely in the
evening. 
.mon...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: e 2 ft at 10 seconds and w 1 foot at
5 seconds. 
.mon night...ne winds 5 to 10 kt. 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...n 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 se
1 foot at 5 seconds and e 1 foot at 10 seconds. 
.tue night...sw winds 5 to 10 kt. seas around 2 ft in the
evening, then 1 foot or less. wave detail: sw 1 foot at 3 seconds
and se 1 foot at 4 seconds, becoming se 1 foot at 3 seconds and
sw 1 foot at 3 seconds. 
.wed through thu night...sw winds 10 to 15 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 311705
cwfbox
expires:202606010600;;957198

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

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


anz235-010600-
rhode island sound-
105 pm edt sun may 31 2026

.this afternoon...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. wave detail: se 4 ft at 11 seconds and sw 3 ft at
4 seconds. a slight chance of showers. 
.tonight...sw winds 10 to 15 kt. seas 2 to 4 ft. wave detail: se
4 ft at 11 seconds and sw 3 ft at 4 seconds. showers likely in
the 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 2 ft at 3 seconds
and sw 2 ft at 5 seconds. 
.mon night...ne winds 10 to 15 kt, diminishing to around 5 kt
after midnight. seas 2 to 3 ft. wave detail: ne 2 ft at 4 seconds
and sw 2 ft at 5 seconds. 
.tue...ne winds 5 to 10 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: s 2 ft at 4 seconds and e 2 ft at
10 seconds. 
.tue night...sw winds 5 to 10 kt, becoming w after midnight. seas
around 2 ft. wave detail: s 2 ft at 3 seconds and se 2 ft at
10 seconds. 
.wed through thu night...sw 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 311705
cwfbox
expires:202606010600;;957201

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

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


anz236-010600-
narragansett bay-
105 pm edt sun may 31 2026

.this afternoon...sw winds 5 to 10 kt. waves around 2 ft. a
chance of showers with isolated tstms. 
.tonight...w winds 5 to 10 kt. waves around 2 ft. showers likely,
mainly in the evening. 
.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...nw 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 w after midnight.
waves around 2 ft. 
.wed through thu night...sw winds 10 to 15 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 311705
cwfbox
expires:202606010600;;957189

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

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


anz250-010600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
105 pm edt sun may 31 2026

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

.this afternoon...s winds 5 to 10 kt. seas 4 to 5 ft. wave
detail: e 5 ft at 9 seconds and ne 3 ft at 6 seconds. a chance of
showers with isolated tstms. 
.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 in the 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 4 seconds. 
.mon night...se winds around 5 kt, becoming w around 5 kt after
midnight. seas 3 to 4 ft. wave detail: e 4 ft at 9 seconds and ne
2 ft at 6 seconds. 
.tue...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e 3 ft
at 10 seconds and ne 2 ft at 4 seconds. 
.tue night...s winds around 10 kt, becoming w after midnight.
seas 2 to 3 ft. wave detail: e 2 ft at 9 seconds and se 1 foot at
4 seconds. 
.wed through thu night...sw winds 5 to 10 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 311705
cwfbox
expires:202606010600;;957192

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

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


anz254-010600-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
105 pm edt sun may 31 2026

...small craft advisory in effect until 11 pm edt this evening...

.this afternoon...sw winds 10 to 15 kt. seas 5 to 7 ft. wave
detail: e 6 ft at 10 seconds and ne 3 ft at 6 seconds. 
.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
in the evening. 
.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 e 3 ft at 5 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...e winds around 5 kt, becoming s in the afternoon. seas
3 to 4 ft. wave detail: e 4 ft at 9 seconds and ne 2 ft at
5 seconds. 
.tue night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e
3 ft at 10 seconds and sw 1 foot at 4 seconds. 
.wed through thu...s winds 5 to 10 kt. seas 2 to 4 ft. 
.thu night...sw winds around 10 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 311705
cwfbox
expires:202606010600;;957193

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

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


anz255-010600-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
105 pm edt sun may 31 2026

...small craft advisory in effect until 11 pm edt this evening...

.this afternoon...sw winds 10 to 15 kt. seas 4 to 6 ft. wave
detail: e 6 ft at 10 seconds and se 3 ft at 11 seconds. 
.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 in the
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 2 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 10 seconds
and ne 3 ft at 4 seconds. 
.tue...ne winds around 5 kt, becoming se in the afternoon. seas
2 to 4 ft. wave detail: e 3 ft at 9 seconds and e 2 ft at
5 seconds. 
.tue night...s winds 5 to 10 kt, becoming sw after midnight. seas
2 to 3 ft. wave detail: e 3 ft at 10 seconds and se 2 ft at
13 seconds. 
.wed through thu night...sw winds 10 to 15 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.

$$