fzus51 kbox 311505
cwfbox
expires:202602010400;;855196

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am est sat jan 31 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz231-010400-
cape cod bay-
1005 am est sat jan 31 2026

...gale warning in effect from late tonight through late sunday
night...

.this afternoon...w winds 5 to 10 kt. seas around 2 ft. wave
detail: n 2 ft at 5 seconds. 
.tonight...n winds 10 to 15 kt with gusts up to 20 kt, becoming
ne 20 to 25 kt with gusts up to 30 kt after midnight. seas 2 to
4 ft. wave detail: n 4 ft at 4 seconds and e 1 foot at
16 seconds. light freezing spray after midnight. a chance of snow
after midnight. 
.sun...ne winds 25 to 35 kt, becoming n 30 to 40 kt in the
afternoon. seas 4 to 6 ft, building to 6 to 9 ft in the
afternoon. wave detail: n 6 ft at 5 seconds and e 1 foot at
16 seconds, becoming n 9 ft at 7 seconds and e 2 ft at 9 seconds.
snow.
.sun night...n winds 30 to 40 kt with gusts up to 45 kt, becoming
nw 25 to 35 kt after midnight. seas 8 to 11 ft. wave detail: ne
11 ft at 8 seconds and n 8 ft at 7 seconds. snow likely in the
evening. light freezing spray likely after midnight. 
.mon...nw winds 20 to 25 kt, diminishing to 10 to 15 kt in the
afternoon. seas 6 to 9 ft, subsiding to 4 to 6 ft in the
afternoon. wave detail: ne 9 ft at 11 seconds and n 6 ft at
7 seconds, becoming ne 6 ft at 11 seconds and n 4 ft at
7 seconds. light freezing spray likely in the morning. 
.mon night...nw winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas 3 to 5 ft. wave
detail: ne 5 ft at 11 seconds and n 4 ft at 7 seconds. 
.tue through wed night...nw 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 311505
cwfbox
expires:202602010400;;855200

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am est sat jan 31 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz232-010400-
nantucket sound-
1005 am est sat jan 31 2026

...gale warning in effect from late tonight through late sunday
night...

.this afternoon...w winds 5 to 10 kt. seas around 2 ft, then
1 foot or less. wave detail: nw 1 foot at 4 seconds, becoming nw
1 foot at 4 seconds and e 1 foot at 16 seconds. 
.tonight...n winds 10 to 15 kt with gusts up to 20 kt, becoming
ne 20 to 25 kt with gusts up to 30 kt after midnight. seas 2 to
4 ft. wave detail: n 3 ft at 4 seconds and e 1 foot at
17 seconds. light freezing spray after midnight. a chance of snow
after midnight. 
.sun...ne winds 25 to 35 kt, becoming n 35 to 40 kt in the
afternoon. seas 5 to 7 ft. wave detail: n 6 ft at 5 seconds and e
2 ft at 8 seconds. snow.
.sun night...n winds 30 to 40 kt with gusts up to 45 kt, becoming
nw 25 to 35 kt after midnight. seas 6 to 9 ft. wave detail: n
6 ft at 6 seconds and ne 4 ft at 10 seconds. snow likely, mainly
in the evening. light freezing spray likely after midnight. 
.mon...nw winds 20 to 25 kt, diminishing to 10 to 15 kt in the
afternoon. seas 5 to 7 ft. wave detail: n 4 ft at 5 seconds and e
4 ft at 12 seconds. light freezing spray likely in the morning. 
.mon night...nw winds 10 to 15 kt. seas 3 to 5 ft. wave detail: n
3 ft at 7 seconds and e 3 ft at 12 seconds. 
.tue through wed night...nw 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 311505
cwfbox
expires:202602010400;;855201

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am est sat jan 31 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz233-010400-
vineyard sound-
1005 am est sat jan 31 2026

...freezing spray advisory in effect from 10 pm est this evening
through sunday afternoon...
...gale warning in effect from sunday morning through late sunday
night...

.this afternoon...nw winds 5 to 10 kt. seas 1 foot or less. wave
detail: nw 1 foot at 5 seconds. 
.tonight...n winds 10 to 15 kt with gusts up to 20 kt, becoming
ne 20 to 25 kt with gusts up to 30 kt after midnight. seas around
2 ft, building to 3 to 5 ft after midnight. wave detail: n 1 foot
at 3 seconds and w 1 foot at 4 seconds, becoming ne 2 ft at
3 seconds and w 1 foot at 5 seconds. light freezing spray after
midnight. a chance of snow after midnight. 
.sun...n winds 25 to 35 kt, becoming 30 to 35 kt in the
afternoon. seas 4 to 6 ft. wave detail: n 4 ft at 5 seconds and e
2 ft at 8 seconds. light freezing spray. snow.
.sun night...nw winds 25 to 35 kt. seas 3 to 5 ft. wave detail: n
4 ft at 5 seconds and e 3 ft at 10 seconds. light freezing spray.
a chance of snow in the evening. 
.mon...nw winds 15 to 20 kt with gusts up to 25 kt, diminishing
to 10 to 15 kt in the afternoon. seas 3 to 5 ft. wave detail: n
3 ft at 5 seconds and e 3 ft at 12 seconds. light freezing spray
likely in the morning.
.mon night...nw winds 10 to 15 kt. seas 2 to 3 ft. wave detail: n
2 ft at 5 seconds and se 1 foot at 12 seconds. 
.tue through wed night...nw 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 311505
cwfbox
expires:202602010400;;855202

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am est sat jan 31 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz234-010400-
buzzards bay-
1005 am est sat jan 31 2026

...freezing spray advisory in effect from 10 pm est this evening
through sunday afternoon...
...gale warning in effect from sunday morning through late sunday
night...

.this afternoon...nw winds 5 to 10 kt. seas 1 foot or less. wave
detail: n 1 foot at 5 seconds. 
.tonight...n winds 10 to 15 kt with gusts up to 20 kt, increasing
to 20 to 25 kt with gusts up to 30 kt after midnight. seas around
2 ft, building to 3 to 5 ft after midnight. wave detail: nw
1 foot at 4 seconds, becoming nw 2 ft at 4 seconds. light
freezing spray after midnight. a chance of snow after midnight. 
.sun...n winds 25 to 35 kt, becoming 30 to 35 kt in the
afternoon. seas 4 to 6 ft, subsiding to 3 to 4 ft in the
afternoon. wave detail: n 4 ft at 5 seconds, becoming n 4 ft at
5 seconds and e 2 ft at 8 seconds. light freezing spray. snow.
.sun night...n winds 25 to 35 kt with gusts up to 40 kt, becoming
nw 20 to 25 kt with gusts up to 30 kt after midnight. seas 3 to
4 ft. wave detail: n 4 ft at 5 seconds and e 3 ft at 10 seconds.
light freezing spray. a chance of snow in the evening. 
.mon...nw winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: n 3 ft at 5 seconds and e
3 ft at 12 seconds. freezing spray likely in the morning. 
.mon night...nw winds 5 to 10 kt. seas around 2 ft. wave detail:
nw 2 ft at 3 seconds and n 2 ft at 7 seconds. 
.tue through wed night...nw 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 311505
cwfbox
expires:202602010400;;855203

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am est sat jan 31 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz235-010400-
rhode island sound-
1005 am est sat jan 31 2026

...freezing spray advisory in effect from 10 pm est this evening
through sunday afternoon...
...gale warning in effect from late tonight through late sunday
night...

.this afternoon...nw winds 5 to 10 kt. seas 1 foot or less. wave
detail: nw 1 foot at 4 seconds. 
.tonight...n winds 15 to 20 kt, increasing to 20 to 25 kt with
gusts up to 30 kt after midnight. seas 2 to 3 ft, building to
3 to 5 ft after midnight. wave detail: n 2 ft at 3 seconds and sw
1 foot at 5 seconds, becoming n 4 ft at 4 seconds and w 1 foot at
5 seconds. light freezing spray after midnight. a chance of snow
after midnight. 
.sun...n winds 25 to 35 kt, becoming 30 to 35 kt in the
afternoon. seas 5 to 7 ft. wave detail: n 6 ft at 5 seconds and e
2 ft at 9 seconds. light freezing spray. a chance of snow. 
.sun night...n winds 25 to 35 kt with gusts up to 40 kt, becoming
nw 20 to 25 kt with gusts up to 30 kt after midnight. seas 5 to
7 ft. wave detail: n 5 ft at 5 seconds and se 3 ft at 11 seconds.
light freezing spray. 
.mon...nw winds 15 to 20 kt with gusts up to 25 kt, diminishing
to 10 to 15 kt in the afternoon. seas 4 to 6 ft. wave detail: se
5 ft at 12 seconds and n 4 ft at 5 seconds. light freezing spray
likely in the morning. 
.mon night...nw winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 4 ft. wave detail: n 3 ft at 5 seconds and se
3 ft at 12 seconds. 
.tue through wed night...nw 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 311505
cwfbox
expires:202602010400;;855206

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am est sat jan 31 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz236-010400-
narragansett bay-
1005 am est sat jan 31 2026

...freezing spray advisory in effect from 10 pm est this evening
through sunday afternoon...
...gale warning in effect from late tonight through sunday
evening...

.this afternoon...nw winds around 5 kt. waves 1 foot or less. 
.tonight...n winds 10 to 15 kt with gusts up to 20 kt, increasing
to 15 to 20 kt with gusts up to 30 kt after midnight. waves 2 to
3 ft. freezing spray after midnight. 
.sun...n winds 25 to 30 kt with gusts up to 40 kt. waves around
3 ft. freezing spray. a chance of snow. 
.sun night...n winds 20 to 25 kt, becoming nw 15 to 20 kt after
midnight. gusts up to 30 kt. waves 2 to 3 ft. light freezing
spray. 
.mon and mon night...nw winds 10 to 15 kt with gusts up to 20 kt.
waves 2 to 3 ft. 
.tue through wed night...nw winds 5 to 10 kt. waves 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 311505
cwfbox
expires:202602010400;;855194

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am est sat jan 31 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz250-010400-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1005 am est sat jan 31 2026

...gale warning in effect from sunday morning through late sunday
night...

.this afternoon...w winds 5 to 10 kt. seas around 2 ft. wave
detail: w 2 ft at 4 seconds and n 1 foot at 5 seconds. 
.tonight...n winds 10 to 15 kt with gusts up to 20 kt, becoming
ne 20 to 25 kt with gusts up to 30 kt after midnight. seas around
2 ft, building to 3 to 5 ft after midnight. wave detail: n 2 ft
at 4 seconds, becoming n 5 ft at 4 seconds. light freezing spray
after midnight. a chance of snow after midnight. 
.sun...ne winds 25 to 35 kt, becoming n 30 to 40 kt in the
afternoon. seas 6 to 9 ft, building to 10 to 14 ft in the
afternoon. wave detail: ne 9 ft at 7 seconds, becoming n 13 ft at
7 seconds and e 1 foot at 8 seconds. light freezing spray. a
chance of snow. 
.sun night...n winds 35 to 40 kt, becoming nw 25 to 30 kt after
midnight. seas 12 to 16 ft. wave detail: ne 14 ft at 9 seconds
and n 6 ft at 8 seconds. a chance of snow in the evening. light
freezing spray likely after midnight. 
.mon...nw winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. gusts up to 30 kt. seas 10 to 14 ft, subsiding to 8 to
11 ft in the afternoon. wave detail: ne 12 ft at 11 seconds and
nw 4 ft at 7 seconds, becoming ne 10 ft at 11 seconds and n 5 ft
at 8 seconds. light freezing spray likely in the morning. 
.mon night...nw winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 5 to 8 ft, subsiding to 4 to 6 ft after midnight.
wave detail: e 7 ft at 11 seconds and n 5 ft at 8 seconds,
becoming e 5 ft at 11 seconds and n 4 ft at 7 seconds. 
.tue...nw winds 5 to 10 kt. seas 3 to 5 ft. 
.tue night through wed night...nw 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 311505
cwfbox
expires:202602010400;;855197

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am est sat jan 31 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz254-010400-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1005 am est sat jan 31 2026

...storm warning in effect from sunday morning through late
sunday night...

.this afternoon...w winds 5 to 10 kt. seas around 2 ft. wave
detail: w 2 ft at 5 seconds and n 1 foot at 6 seconds. 
.tonight...n winds 10 to 15 kt with gusts up to 20 kt, becoming
ne 20 to 25 kt with gusts up to 35 kt after midnight. seas around
2 ft, building to 3 to 5 ft after midnight. wave detail: n 2 ft
at 5 seconds and e 1 foot at 17 seconds, becoming ne 5 ft at
5 seconds and w 1 foot at 5 seconds. light freezing spray after
midnight. a chance of snow after midnight. 
.sun...ne winds 30 to 40 kt with gusts up to 50 kt. seas 7 to
10 ft, building to 11 to 15 ft in the afternoon. wave detail: n
10 ft at 6 seconds and e 1 foot at 16 seconds, becoming n 14 ft
at 7 seconds and e 2 ft at 9 seconds. snow.
.sun night...n winds 35 to 45 kt with gusts up to 50 kt, becoming
nw 25 to 35 kt with gusts up to 40 kt after midnight. seas 13 to
18 ft. wave detail: ne 17 ft at 9 seconds and nw 8 ft at
8 seconds. snow likely, mainly in the evening. 
.mon...nw winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. gusts up to 30 kt. seas 11 to 15 ft, subsiding to 8 to
11 ft in the afternoon. wave detail: ne 14 ft at 11 seconds and s
5 ft at 16 seconds, becoming ne 11 ft at 11 seconds and n 5 ft at
7 seconds. light freezing spray likely in the morning. 
.mon night...nw winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 6 to 9 ft, subsiding to 5 to 7 ft after midnight.
wave detail: ne 9 ft at 11 seconds and nw 5 ft at 7 seconds,
becoming ne 6 ft at 11 seconds and n 5 ft at 8 seconds. 
.tue...nw winds 5 to 10 kt. seas 3 to 5 ft. 
.tue night and wed...w winds 5 to 10 kt. seas 2 to 4 ft. 
.wed night...nw winds around 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 311505
cwfbox
expires:202602010400;;855198

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am est sat jan 31 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz255-010400-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1005 am est sat jan 31 2026

...storm warning in effect from sunday morning through late
sunday night...

.this afternoon...nw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: w 2 ft at 6 seconds and n 1 foot at 5 seconds. 
.tonight...n winds 15 to 20 kt, becoming ne 25 to 30 kt with
gusts up to 35 kt after midnight. seas 2 to 3 ft, building to
4 to 6 ft after midnight. wave detail: n 2 ft at 4 seconds and w
2 ft at 5 seconds, becoming ne 5 ft at 5 seconds and sw 1 foot at
5 seconds. light freezing spray after midnight. a chance of snow
after midnight. 
.sun...n winds 35 to 45 kt with gusts up to 50 kt. seas 7 to
10 ft, building to 9 to 13 ft in the afternoon. wave detail: n
10 ft at 6 seconds and e 1 foot at 16 seconds, becoming n 11 ft
at 7 seconds and e 4 ft at 8 seconds. snow.
.sun night...n winds 35 to 45 kt with gusts up to 50 kt, becoming
nw 25 to 35 kt with gusts up to 40 kt after midnight. seas 10 to
14 ft, except 14 to 19 ft s and e of nantucket. wave detail: e
10 ft at 10 seconds and n 9 ft at 7 seconds. light freezing spray
likely. snow likely in the evening. a chance of snow after
midnight. 
.mon...nw winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. seas 8 to 11 ft, subsiding to 6 to 9 ft in the
afternoon. s and e of nantucket, seas 11 to 15 ft, subsiding to
9 to 12 ft in the afternoon. wave detail: e 8 ft at 12 seconds
and n 7 ft at 6 seconds, becoming e 8 ft at 12 seconds and nw
5 ft at 6 seconds. light freezing spray likely. 
.mon night...nw winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 5 to 7 ft. wave detail: e 6 ft at 12 seconds and nw
4 ft at 6 seconds. 
.tue...w winds around 10 kt. seas 3 to 5 ft. 
.tue night through wed 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.

$$