fzus51 kbox 310203
cwfbox
expires:202605311500;;924637

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt sat may 30 2026

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


anz231-311500-
cape cod bay-
1003 pm edt sat may 30 2026

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

.overnight...ne winds 15 to 20 kt, becoming n 10 to 15 kt. gusts
up to 25 kt. seas 5 to 7 ft. wave detail: ne 6 ft at 6 seconds
and n 3 ft at 10 seconds. 
.sun...nw winds 10 to 15 kt, becoming sw around 5 kt in the
afternoon. seas 2 to 4 ft. wave detail: n 4 ft at 7 seconds. 
.sun night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: ne
2 ft at 6 seconds and sw 1 foot at 3 seconds. a chance of
showers. 
.mon...nw winds 5 to 10 kt, becoming ne 10 to 15 kt in the
afternoon. seas around 2 ft. wave detail: nw 1 foot at 2 seconds
and ne 1 foot at 6 seconds. a chance of showers in the morning. 
.mon night...ne winds 5 to 10 kt, diminishing to around 5 kt
after midnight. seas around 2 ft. wave detail: e 2 ft at
4 seconds. 
.tue and tue night...se winds 5 to 10 kt. seas around 2 ft. wave
detail: se 1 foot at 3 seconds and ne 1 foot at 5 seconds. 
.wed through thu 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 310203
cwfbox
expires:202605311500;;924641

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt sat may 30 2026

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


anz232-311500-
nantucket sound-
1003 pm edt sat may 30 2026

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

.overnight...n winds 25 to 30 kt, diminishing to 20 to 25 kt.
seas 4 to 6 ft. wave detail: ne 5 ft at 5 seconds and w 2 ft at
7 seconds. 
.sun...n winds 10 to 15 kt, becoming w in the afternoon. seas
3 to 5 ft. wave detail: e 4 ft at 7 seconds and nw 1 foot at
4 seconds. 
.sun night...sw winds 5 to 10 kt. seas 2 to 4 ft. wave detail: e
3 ft at 8 seconds and sw 2 ft at 3 seconds. a chance of showers. 
.mon...nw winds 5 to 10 kt, becoming ne 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: e 2 ft at 8 seconds and w
1 foot at 4 seconds. a chance of showers in the morning. 
.mon night...ne winds 5 to 10 kt. seas 2 to 3 ft. wave detail: ne
2 ft at 7 seconds and sw 1 foot at 6 seconds. 
.tue and tue night...ne winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: e 2 ft at 9 seconds and s 1 foot at 5 seconds. 
.wed...ne winds 15 to 20 kt. seas 2 to 3 ft. 
.wed night and thu...ne winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. a chance of showers.
.thu 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 310203
cwfbox
expires:202605311500;;924642

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt sat may 30 2026

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


anz233-311500-
vineyard sound-
1003 pm edt sat may 30 2026

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

.overnight...n winds 20 to 25 kt, diminishing to 15 to 20 kt.
seas 2 to 4 ft. wave detail: ne 3 ft at 4 seconds and w 1 foot at
6 seconds. 
.sun...nw winds 5 to 10 kt, becoming sw 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: sw 2 ft
at 3 seconds and e 1 foot at 8 seconds. 
.sun night...sw winds 10 to 15 kt, becoming w 5 to 10 kt after
midnight. seas 2 to 3 ft. wave detail: sw 2 ft at 4 seconds and s
1 foot at 10 seconds. a chance of showers. 
.mon...nw winds 5 to 10 kt, becoming ne 10 to 15 kt in the
afternoon. seas around 2 ft. wave detail: sw 2 ft at 6 seconds
and s 1 foot at 10 seconds. a chance of showers. 
.mon night...ne winds 10 to 15 kt, diminishing to around 5 kt
after midnight. seas around 2 ft. wave detail: sw 2 ft at
6 seconds and ne 1 foot at 5 seconds. 
.tue and tue night...ne winds 5 to 10 kt. seas around 2 ft. wave
detail: s 1 foot at 5 seconds and e 1 foot at 10 seconds. 
.wed through thu night...nw 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 310203
cwfbox
expires:202605311500;;924643

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt sat may 30 2026

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


anz234-311500-
buzzards bay-
1003 pm edt sat may 30 2026

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

.overnight...n winds 15 to 20 kt, diminishing to 10 to 15 kt.
gusts up to 25 kt. seas 2 to 4 ft. wave detail: ne 3 ft at
4 seconds and w 1 foot at 6 seconds. 
.sun...nw winds 5 to 10 kt, becoming sw 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas around 2 ft. wave detail: sw 2 ft
at 3 seconds and ne 1 foot at 5 seconds. 
.sun night...sw winds 10 to 15 kt, becoming w 5 to 10 kt after
midnight. seas around 2 ft. wave detail: sw 2 ft at 4 seconds and
se 1 foot at 10 seconds. a chance of showers. 
.mon...nw winds 5 to 10 kt, becoming ne 10 to 15 kt in the
afternoon. seas around 2 ft. wave detail: w 1 foot at 5 seconds
and se 1 foot at 9 seconds. a chance of showers. 
.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 6 seconds. 
.tue and tue night...ne winds 5 to 10 kt. seas around 2 ft. wave
detail: e 1 foot at 5 seconds and e 1 foot at 8 seconds. 
.wed through thu night...w 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 310203
cwfbox
expires:202605311500;;924644

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt sat may 30 2026

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


anz235-311500-
rhode island sound-
1003 pm edt sat may 30 2026

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

.overnight...n winds 20 to 25 kt, diminishing to 15 to 20 kt.
seas 3 to 5 ft. wave detail: ne 5 ft at 5 seconds and sw 1 foot
at 7 seconds. 
.sun...nw winds 10 to 15 kt, becoming sw in the afternoon. seas
2 to 3 ft. wave detail: w 3 ft at 3 seconds and e 3 ft at
9 seconds. 
.sun night...w winds 10 to 15 kt. seas 2 to 3 ft. wave detail: sw
3 ft at 4 seconds and se 2 ft at 10 seconds. 
.mon...nw winds 5 to 10 kt, becoming ne 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: sw 2 ft at 6 seconds and
se 2 ft at 10 seconds. a chance of showers. 
.mon night...ne winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. seas 2 to 3 ft. wave detail: ne 3 ft at 6 seconds
and sw 2 ft at 6 seconds. 
.tue and tue night...ne winds 10 to 15 kt. seas around 2 ft. wave
detail: se 2 ft at 4 seconds and e 2 ft at 9 seconds. 
.wed through thu night...nw winds 10 to 15 kt with gusts up to
20 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 310203
cwfbox
expires:202605311500;;924647

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt sat may 30 2026

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


anz236-311500-
narragansett bay-
1003 pm edt sat may 30 2026

.overnight...n winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt. waves around 2 ft. 
.sun...nw winds 5 to 10 kt, becoming sw in the afternoon. waves
around 2 ft. 
.sun night...w winds 5 to 10 kt. waves around 2 ft. 
.mon...nw winds 5 to 10 kt, becoming ne in the afternoon. waves
around 2 ft. a chance of showers. 
.mon night...ne winds 5 to 10 kt. waves around 2 ft. 
.tue and tue night...nw winds 5 to 10 kt. waves around 2 ft. 
.wed through thu night...w 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 310203
cwfbox
expires:202605311500;;924635

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt sat may 30 2026

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


anz250-311500-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1003 pm edt sat may 30 2026

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

.overnight...ne winds 15 to 20 kt, becoming n 10 to 15 kt. gusts
up to 25 kt. seas 7 to 10 ft. wave detail: ne 9 ft at 8 seconds
and w 1 foot at 6 seconds. 
.sun...nw winds 5 to 10 kt, becoming sw in the afternoon. seas
5 to 7 ft. wave detail: e 6 ft at 9 seconds and sw 1 foot at
6 seconds. a chance of showers in the afternoon. 
.sun night...sw winds 5 to 10 kt. seas 4 to 5 ft. wave detail: e
5 ft at 9 seconds and sw 1 foot at 5 seconds. a chance of
showers. 
.mon...ne winds 10 to 15 kt. seas 3 to 4 ft. wave detail: e 4 ft
at 9 seconds and sw 1 foot at 6 seconds. a chance of showers in
the morning. 
.mon night...e winds around 5 kt, becoming nw after midnight.
seas 3 to 4 ft. wave detail: e 4 ft at 9 seconds and s 1 foot at
5 seconds. 
.tue and tue night...sw winds 5 to 10 kt. seas 3 to 4 ft. wave
detail: e 3 ft at 9 seconds and s 1 foot at 5 seconds. 
.wed and wed night...ne winds 10 to 15 kt with gusts up to 20 kt,
becoming sw. seas 3 to 4 ft. 
.thu and thu night...e winds 5 to 10 kt, becoming sw. 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.

$$

fzus51 kbox 310203
cwfbox
expires:202605311500;;924638

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt sat may 30 2026

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


anz254-311500-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1003 pm edt sat may 30 2026

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

.overnight...n winds 20 to 25 kt with gusts up to 30 kt. seas
9 to 12 ft, subsiding to 7 to 10 ft. wave detail: ne 11 ft at
9 seconds and s 1 foot at 7 seconds, becoming ne 10 ft at
9 seconds and sw 1 foot at 6 seconds. a slight chance of showers.
.sun...n winds 10 to 15 kt with gusts up to 20 kt, becoming w
5 to 10 kt in the afternoon. seas 6 to 9 ft, subsiding to 5 to
7 ft in the afternoon. wave detail: ne 8 ft at 9 seconds and w
1 foot at 6 seconds, becoming e 7 ft at 9 seconds and w 1 foot at
5 seconds. 
.sun night...sw winds 5 to 10 kt. seas 4 to 6 ft. wave detail: e
6 ft at 9 seconds and sw 1 foot at 4 seconds. a chance of
showers. 
.mon...nw winds 5 to 10 kt, becoming ne 10 to 15 kt in the
afternoon. seas 3 to 5 ft. wave detail: e 4 ft at 9 seconds and
sw 1 foot at 6 seconds. a chance of showers in the morning. 
.mon night...ne winds 5 to 10 kt. seas 3 to 4 ft. wave detail: e
4 ft at 9 seconds and s 1 foot at 6 seconds. 
.tue and tue night...e winds 5 to 10 kt. seas 3 to 4 ft. wave
detail: e 4 ft at 9 seconds and s 1 foot at 5 seconds. 
.wed...ne winds 15 to 20 kt. seas 3 to 5 ft. 
.wed night...ne winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 5 ft. a chance of showers. 
.thu...ne winds 10 to 15 kt with gusts up to 20 kt. seas 5 to
7 ft. a chance of showers. 
.thu night...w winds 10 to 15 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.

$$

fzus51 kbox 310203
cwfbox
expires:202605311500;;924639

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt sat may 30 2026

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


anz255-311500-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1003 pm edt sat may 30 2026

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

.overnight...n winds 25 to 30 kt, diminishing to 20 to 25 kt.
seas 6 to 9 ft. wave detail: ne 9 ft at 7 seconds and w 3 ft at
6 seconds. 
.sun...n winds 15 to 20 kt, becoming w 10 to 15 kt in the
afternoon. seas 5 to 7 ft. wave detail: e 7 ft at 10 seconds and
nw 3 ft at 4 seconds. 
.sun night...sw winds 10 to 15 kt. seas 3 to 5 ft. wave detail: e
5 ft at 10 seconds and w 3 ft at 4 seconds. a chance of showers
after midnight. 
.mon...w winds around 10 kt, becoming ne in the afternoon. seas
3 to 5 ft. wave detail: e 4 ft at 9 seconds and sw 3 ft at
6 seconds. a chance of showers in the morning. 
.mon night through tue night...ne winds 10 to 15 kt. seas 2 to
4 ft. wave detail: ne 4 ft at 9 seconds and sw 2 ft at 6 seconds.
.wed and wed night...ne winds 15 to 20 kt. seas 3 to 5 ft. wave
detail: ne 5 ft at 5 seconds and s 4 ft at 8 seconds. a chance of
showers. 
.thu...ne winds 10 to 15 kt with gusts up to 20 kt. seas 4 to
6 ft. a chance of showers. 
.thu night...nw winds 10 to 15 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.

$$