fzus51 kbox 311405
cwfbox
expires:202606010300;;951733

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sun may 31 2026

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


anz231-010300-
cape cod bay-
1005 am edt sun may 31 2026

...small craft advisory in effect until 11 am edt this morning...

.this afternoon...w winds 5 to 10 kt, becoming sw. seas 2 to
3 ft. wave detail: n 3 ft at 7 seconds and s 1 foot at 9 seconds.
scattered showers. 
.tonight...sw winds 5 to 10 kt, becoming w after midnight. seas
2 to 3 ft. wave detail: ne 3 ft at 7 seconds and sw 1 foot at
3 seconds. numerous showers in the evening. 
.mon...ne winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. wave detail: n 1 foot at 3 seconds and se 1 foot at
9 seconds. 
.mon night...ne winds 5 to 10 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 311405
cwfbox
expires:202606010300;;951737

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sun may 31 2026

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


anz232-010300-
nantucket sound-
1005 am edt sun may 31 2026

...small craft advisory in effect until 11 am edt this morning...

.this afternoon...w winds 5 to 10 kt, becoming sw 10 to 15 kt
with gusts up to 20 kt. seas 2 to 4 ft. wave detail: e 3 ft at
10 seconds and w 2 ft at 3 seconds. scattered showers. 
.tonight...w winds 5 to 10 kt. gusts up to 20 kt in the evening.
seas 2 to 4 ft. wave detail: sw 2 ft at 3 seconds and e 2 ft at
5 seconds. numerous showers, mainly in the evening. 
.mon...ne 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. gusts up to 20 kt in the
evening. 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 311405
cwfbox
expires:202606010300;;951738

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sun may 31 2026

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


anz233-010300-
vineyard sound-
1005 am edt sun may 31 2026

.this afternoon...sw winds 10 to 15 kt. 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. scattered showers. 
.tonight...w winds 5 to 10 kt. gusts up to 20 kt in the evening.
seas 2 to 3 ft. wave detail: se 2 ft at 6 seconds and e 2 ft at
10 seconds. numerous showers in the evening. 
.mon...n winds around 10 kt, becoming ne in the afternoon. gusts
up to 20 kt. seas around 2 ft. wave detail: w 2 ft at 5 seconds
and ne 1 foot at 5 seconds. scattered showers in the morning. 
.mon night...ne winds 5 to 10 kt. 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 311405
cwfbox
expires:202606010300;;951739

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sun may 31 2026

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


anz234-010300-
buzzards bay-
1005 am edt sun may 31 2026

.this afternoon...w winds 5 to 10 kt, becoming sw 10 to 15 kt
with gusts up to 20 kt. seas around 2 ft. wave detail: sw 2 ft at
3 seconds and e 2 ft at 9 seconds. scattered showers. 
.tonight...w winds 5 to 10 kt. gusts up to 20 kt in the evening.
seas around 2 ft. wave detail: s 2 ft at 5 seconds and e 2 ft at
9 seconds. numerous showers in the evening. 
.mon...ne winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. wave detail: e 2 ft at 10 seconds and w 1 foot at
5 seconds. scattered showers in the morning. 
.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 311405
cwfbox
expires:202606010300;;951740

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sun may 31 2026

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


anz235-010300-
rhode island sound-
1005 am edt sun may 31 2026

.this afternoon...w winds 5 to 10 kt, becoming sw 15 to 20 kt.
seas 2 to 3 ft. wave detail: w 3 ft at 4 seconds and se 3 ft at
10 seconds. isolated showers. 
.tonight...w winds 10 to 15 kt. gusts up to 20 kt in the evening.
seas 2 to 4 ft. wave detail: se 4 ft at 11 seconds and sw 3 ft at
4 seconds. numerous showers, mainly in the evening. 
.mon...n winds around 10 kt, becoming ne in the afternoon. gusts
up to 20 kt. 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 with gusts up to 20 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 311405
cwfbox
expires:202606010300;;951743

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sun may 31 2026

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


anz236-010300-
narragansett bay-
1005 am edt sun may 31 2026

.this afternoon...w winds around 5 kt, becoming sw 10 to 15 kt
with gusts up to 20 kt. waves around 2 ft. scattered showers. 
.tonight...w winds 5 to 10 kt. gusts up to 20 kt in the evening.
waves around 2 ft. numerous showers in the evening. 
.mon...ne winds 5 to 10 kt with gusts up to 20 kt. waves around
2 ft. scattered showers in the morning. 
.mon night...e 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.  

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 311405
cwfbox
expires:202606010300;;951731

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sun may 31 2026

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


anz250-010300-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1005 am edt sun may 31 2026

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

.this afternoon...w winds 5 to 10 kt, becoming sw. seas 4 to
5 ft. wave detail: e 5 ft at 9 seconds and n 3 ft at 6 seconds.
scattered showers. 
.tonight...sw winds 5 to 10 kt, becoming nw 10 to 15 kt with
gusts up to 20 kt after midnight. seas 3 to 5 ft. wave detail: e
5 ft at 9 seconds and ne 2 ft at 6 seconds. numerous 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.  

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 311405
cwfbox
expires:202606010300;;951734

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sun may 31 2026

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


anz254-010300-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1005 am edt sun may 31 2026

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

.this afternoon...nw winds 5 to 10 kt, becoming sw with gusts up
to 20 kt. seas 5 to 7 ft. wave detail: e 7 ft at 9 seconds and n
3 ft at 5 seconds. scattered showers. 
.tonight...sw winds 5 to 10 kt with gusts up to 20 kt, becoming w
after midnight. seas 4 to 6 ft. wave detail: e 6 ft at 9 seconds
and ne 2 ft at 6 seconds. scattered 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 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 311405
cwfbox
expires:202606010300;;951735

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sun may 31 2026

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


anz255-010300-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1005 am edt sun may 31 2026

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

.this afternoon...nw winds around 10 kt, becoming sw with gusts
up to 20 kt. seas 5 to 7 ft. wave detail: e 6 ft at 10 seconds
and se 3 ft at 11 seconds. isolated showers. 
.tonight...w winds 10 to 15 kt. gusts up to 20 kt in the evening.
seas 4 to 6 ft. wave detail: e 5 ft at 10 seconds and w 3 ft at
4 seconds. numerous showers, mainly in the evening. 
.mon...n winds around 10 kt, becoming ne in the afternoon. gusts
up to 20 kt. 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 with gusts up to 20 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.

$$