fzus51 kbox 302003
cwfbox
expires:202605310900;;910991

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

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


anz231-310900-
cape cod bay-
403 pm edt sat may 30 2026

...storm warning in effect until 8 pm edt this evening...

.tonight...ne winds 25 to 30 kt with gusts up to 40 kt, becoming
n 10 to 15 kt with gusts up to 20 kt after midnight. seas 5 to
7 ft. wave detail: ne 7 ft at 6 seconds and nw 3 ft at 9 seconds.
showers likely this evening. 
.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 302003
cwfbox
expires:202605310900;;910995

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

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


anz232-310900-
nantucket sound-
403 pm edt sat may 30 2026

...storm warning in effect until 8 pm edt this evening...

.tonight...n winds 25 to 30 kt with gusts up to 40 kt,
diminishing to 20 to 25 kt after midnight. seas 4 to 6 ft. wave
detail: ne 6 ft at 5 seconds and w 2 ft at 7 seconds. showers
likely this evening. 
.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 302003
cwfbox
expires:202605310900;;910996

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

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


anz233-310900-
vineyard sound-
403 pm edt sat may 30 2026

...storm warning in effect until 8 pm edt this evening...

.tonight...n winds 25 to 30 kt with gusts up to 40 kt,
diminishing to 15 to 20 kt after midnight. seas 3 to 5 ft,
subsiding to 2 to 3 ft after midnight. wave detail: ne 4 ft at
4 seconds and w 2 ft at 7 seconds, becoming ne 3 ft at 7 seconds
and nw 1 foot at 6 seconds. a chance of showers this evening. 
.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 302003
cwfbox
expires:202605310900;;910997

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

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


anz234-310900-
buzzards bay-
403 pm edt sat may 30 2026

...storm warning in effect until 8 pm edt this evening...

.tonight...n winds 25 to 30 kt with gusts up to 35 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
seas 3 to 5 ft, subsiding to 2 ft after midnight. wave detail: ne
4 ft at 4 seconds and w 1 foot at 7 seconds, becoming ne 2 ft at
4 seconds and nw 1 foot at 9 seconds. a chance of showers this
evening. 
.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 302003
cwfbox
expires:202605310900;;910998

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

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


anz235-310900-
rhode island sound-
403 pm edt sat may 30 2026

...storm warning in effect until 8 pm edt this evening...

.tonight...n winds 25 to 30 kt with gusts up to 40 kt,
diminishing to 15 to 20 kt after midnight. seas 4 to 6 ft,
subsiding to 2 to 4 ft after midnight. wave detail: ne 6 ft at
5 seconds and sw 2 ft at 7 seconds, becoming ne 4 ft at 7 seconds
and w 1 foot at 6 seconds. a slight chance of showers this
evening. 
.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 302003
cwfbox
expires:202605310900;;911001

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

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


anz236-310900-
narragansett bay-
403 pm edt sat may 30 2026

...gale warning in effect until 8 pm edt this evening...

.tonight...n winds 20 to 25 kt with gusts up to 35 kt,
diminishing to 5 to 10 kt after midnight. waves 2 to 3 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 302003
cwfbox
expires:202605310900;;910989

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

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


anz250-310900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
403 pm edt sat may 30 2026

...storm warning in effect until 8 pm edt this evening...

.tonight...ne winds 20 to 25 kt with gusts up to 35 kt, becoming
n 10 to 15 kt with gusts up to 20 kt after midnight. seas 8 to
11 ft, subsiding to 6 to 9 ft after midnight. wave detail: ne
11 ft at 8 seconds and w 1 foot at 8 seconds, becoming e 8 ft at
8 seconds and w 1 foot at 8 seconds. a chance of showers this
evening. 
.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 302003
cwfbox
expires:202605310900;;910992

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

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


anz254-310900-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
403 pm edt sat may 30 2026

...storm warning in effect until 8 pm edt this evening...

.tonight...ne winds 25 to 30 kt with gusts up to 40 kt, becoming
n 20 to 25 kt after midnight. seas 9 to 12 ft, subsiding to 7 to
10 ft after midnight. wave detail: ne 11 ft at 9 seconds and s
2 ft at 7 seconds, becoming ne 10 ft at 9 seconds and sw 1 foot
at 6 seconds. patchy fog this evening. showers likely this
evening with vsby 1 to 3 nm. 
.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 302003
cwfbox
expires:202605310900;;910993

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

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


anz255-310900-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
403 pm edt sat may 30 2026

...storm warning in effect until 8 pm edt this evening...

.tonight...n winds 25 to 35 kt with gusts up to 45 kt,
diminishing to 20 to 25 kt with gusts up to 30 kt after midnight.
seas 6 to 9 ft. wave detail: ne 9 ft at 7 seconds and w 4 ft at
6 seconds. a chance of showers this evening. 
.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.

$$