fzus51 kbox 301506
cwfbox
expires:202512310400;;499072

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 am est tue dec 30 2025

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


anz231-310400-
cape cod bay-
1006 am est tue dec 30 2025

...gale warning in effect through wednesday morning...

.this afternoon...w winds 25 to 30 kt with gusts up to 45 kt.
seas 3 to 5 ft. wave detail: w 5 ft at 5 seconds and sw 3 ft at
8 seconds. light freezing spray. 
.tonight...w winds 25 to 30 kt, diminishing to 20 to 25 kt after
midnight. gusts up to 40 kt. seas 3 to 5 ft. wave detail: w 5 ft
at 5 seconds and sw 3 ft at 8 seconds. light freezing spray. 
.wed...w winds 15 to 20 kt, becoming sw 10 to 15 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: w 4 ft
at 4 seconds and sw 2 ft at 9 seconds. light freezing spray in
the morning. 
.wed night...sw winds 10 to 15 kt. seas around 2 ft. wave detail:
sw 2 ft at 3 seconds and sw 2 ft at 8 seconds. a chance of snow
in the evening, then snow likely after midnight with vsby 1 nm or
less. 
.thu...w winds 10 to 15 kt, becoming nw 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 3 ft. wave detail: nw
3 ft at 4 seconds and s 2 ft at 8 seconds. a chance of snow in
the morning. light freezing spray in the afternoon. vsby 1 to
3 nm in the morning. 
.thu night...w winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 3 ft. wave detail: n 3 ft at 5 seconds and sw 2 ft at
8 seconds. light freezing spray in the evening. 
.fri through sat 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 301506
cwfbox
expires:202512310400;;499076

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 am est tue dec 30 2025

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


anz232-310400-
nantucket sound-
1006 am est tue dec 30 2025

...gale warning in effect through wednesday morning...

.this afternoon...w winds 25 to 30 kt with gusts up to 40 kt.
seas 5 to 7 ft. wave detail: w 6 ft at 5 seconds and sw 3 ft at
9 seconds. 
.tonight...w winds 25 to 30 kt with gusts up to 40 kt. seas 5 to
7 ft. wave detail: w 5 ft at 5 seconds and sw 3 ft at 9 seconds. 
.wed...w winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. seas 4 to 6 ft, subsiding to 2 to 4 ft in the
afternoon. wave detail: w 4 ft at 5 seconds and sw 3 ft at
9 seconds, becoming w 3 ft at 4 seconds and sw 2 ft at 8 seconds.
.wed night...w winds around 15 kt with gusts up to 20 kt. seas
2 to 4 ft. wave detail: w 2 ft at 4 seconds and sw 2 ft at
7 seconds. a chance of snow in the evening, then snow likely
after midnight with vsby 1 nm or less. 
.thu...nw winds 15 to 20 kt. seas 2 to 4 ft. wave detail: w 3 ft
at 4 seconds and sw 2 ft at 8 seconds. snow likely in the morning
with vsby 1 nm or less. 
.thu night...nw winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 4 ft. wave detail: nw 3 ft at 4 seconds and sw 2 ft at
8 seconds. a chance of light freezing spray. 
.fri through sat night...nw winds 15 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 301506
cwfbox
expires:202512310400;;499077

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 am est tue dec 30 2025

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


anz233-310400-
vineyard sound-
1006 am est tue dec 30 2025

...gale warning in effect through wednesday morning...

.this afternoon...w winds 25 to 30 kt with gusts up to 45 kt.
seas 5 to 8 ft. wave detail: sw 8 ft at 9 seconds and w 3 ft at
5 seconds. 
.tonight...w winds 25 to 30 kt with gusts up to 40 kt. seas 5 to
8 ft. wave detail: sw 7 ft at 9 seconds and w 3 ft at 6 seconds. 
.wed...w winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. seas 4 to 6 ft. wave detail: sw 6 ft at 8 seconds and
w 3 ft at 5 seconds. 
.wed night...w winds 15 to 20 kt. seas 3 to 5 ft. wave detail: sw
4 ft at 7 seconds and w 1 foot at 4 seconds. a chance of snow in
the evening, then snow likely after midnight with vsby 1 nm or
less. 
.thu...nw winds 15 to 20 kt. seas 3 to 5 ft. wave detail: sw 4 ft
at 8 seconds and w 2 ft at 4 seconds. a chance of snow in the
morning. light freezing spray in the afternoon. vsby 1 nm or less
in the morning. 
.thu night...nw winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 4 ft. wave detail: sw 4 ft at 8 seconds and nw 2 ft at
4 seconds. light freezing spray in the evening. a chance of light
freezing spray after midnight. 
.fri through sat night...nw winds 15 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 301506
cwfbox
expires:202512310400;;499078

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 am est tue dec 30 2025

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


anz234-310400-
buzzards bay-
1006 am est tue dec 30 2025

...gale warning in effect through wednesday morning...

.this afternoon...w winds 25 to 30 kt with gusts up to 40 kt.
seas 4 to 6 ft. wave detail: sw 6 ft at 8 seconds and w 4 ft at
5 seconds. light freezing spray. 
.tonight...w winds 25 to 30 kt with gusts up to 40 kt. seas 4 to
6 ft. wave detail: sw 6 ft at 8 seconds and w 4 ft at 5 seconds.
light freezing spray. 
.wed...w winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. seas 3 to 5 ft. wave detail: sw 5 ft at 8 seconds and
w 3 ft at 5 seconds. light freezing spray in the morning. 
.wed night...w winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 4 ft. wave detail: sw 3 ft at 7 seconds and w 1 foot at
4 seconds. a chance of snow in the evening, then snow likely
after midnight with vsby 1 nm or less. 
.thu...nw winds 15 to 20 kt. seas 2 to 4 ft. wave detail: sw 3 ft
at 7 seconds and w 2 ft at 4 seconds. a chance of snow in the
morning. light freezing spray in the afternoon. vsby 1 to 3 nm in
the morning. 
.thu night...nw winds 15 to 20 kt. seas 2 to 3 ft. wave detail:
sw 3 ft at 8 seconds and n 2 ft at 4 seconds. light freezing
spray in the evening. 
.fri through sat 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 301506
cwfbox
expires:202512310400;;499079

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 am est tue dec 30 2025

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


anz235-310400-
rhode island sound-
1006 am est tue dec 30 2025

...gale warning in effect through wednesday morning...

.this afternoon...w winds 25 to 30 kt with gusts up to 45 kt.
seas 7 to 10 ft. wave detail: sw 9 ft at 9 seconds and w 5 ft at
6 seconds. 
.tonight...w winds 25 to 30 kt with gusts up to 40 kt. seas 6 to
9 ft. wave detail: sw 9 ft at 9 seconds and w 5 ft at 6 seconds. 
.wed...w winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. seas 5 to 7 ft, subsiding to 4 to 5 ft in the
afternoon. wave detail: w 7 ft at 7 seconds and e 1 foot at
12 seconds, becoming sw 5 ft at 6 seconds and e 1 foot at
12 seconds. 
.wed night...w winds 15 to 20 kt with gusts up to 25 kt. seas
4 to 6 ft. wave detail: sw 5 ft at 6 seconds and e 1 foot at
12 seconds. a chance of snow in the evening, then snow likely
after midnight with vsby 1 nm or less. 
.thu...nw winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. wave detail: sw 5 ft at 8 seconds and nw 3 ft at 4 seconds.
a chance of snow in the morning. light freezing spray in the
afternoon. vsby 1 nm or less in the morning. 
.thu night...nw winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 4 ft. wave detail: sw 4 ft at 8 seconds and nw 3 ft at
4 seconds. light freezing spray, mainly in the evening. 
.fri through sat...nw winds 15 to 20 kt. seas 2 to 4 ft. 
.sat 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 301506
cwfbox
expires:202512310400;;499082

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 am est tue dec 30 2025

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


anz236-310400-
narragansett bay-
1006 am est tue dec 30 2025

...gale warning in effect through late tonight...

.this afternoon...w winds 20 to 25 kt with gusts up to 40 kt.
waves 3 to 5 ft. light freezing spray. 
.tonight...w winds 15 to 20 kt with gusts up to 35 kt. waves 3 to
5 ft. light freezing spray. 
.wed...w winds 15 to 20 kt, becoming sw 10 to 15 kt in the
afternoon. gusts up to 25 kt. waves 2 to 4 ft. 
.wed night...sw winds 10 to 15 kt. gusts up to 20 kt after
midnight. waves 2 to 3 ft. a chance of snow. vsby 1 to 3 nm after
midnight. 
.thu...nw winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
3 ft. a chance of snow in the morning. light freezing spray in
the afternoon. 
.thu night...w winds 10 to 15 kt with gusts up to 20 kt. waves
2 to 3 ft. 
.fri through sat night...nw winds 10 to 15 kt with gusts up to
20 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 301506
cwfbox
expires:202512310400;;499070

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 am est tue dec 30 2025

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


anz250-310400-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1006 am est tue dec 30 2025

...gale warning in effect through wednesday morning...

.this afternoon...w winds 30 to 35 kt with gusts up to 45 kt.
seas 6 to 9 ft. wave detail: w 8 ft at 7 seconds and se 2 ft at
11 seconds. light freezing spray. 
.tonight...w winds 25 to 30 kt. gusts up to 45 kt in the evening.
seas 6 to 9 ft, subsiding to 5 to 7 ft after midnight. wave
detail: w 8 ft at 7 seconds and se 1 foot at 11 seconds, becoming
sw 7 ft at 7 seconds and se 1 foot at 12 seconds. light freezing
spray. 
.wed...w winds 20 to 25 kt, becoming sw 15 to 20 kt in the
afternoon. gusts up to 30 kt. seas 4 to 6 ft. wave detail: w 6 ft
at 5 seconds and s 2 ft at 9 seconds. 
.wed night...sw winds 15 to 20 kt. seas 2 to 4 ft. wave detail:
sw 3 ft at 4 seconds and s 1 foot at 8 seconds. a chance of snow
after midnight with vsby 1 to 3 nm. 
.thu...w winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: nw 4 ft at 5 seconds and e 2 ft at 14 seconds.
a chance of snow in the morning. light freezing spray in the
afternoon. vsby 1 to 3 nm in the morning. 
.thu night...nw winds around 20 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: nw 5 ft at 5 seconds and e 2 ft at
13 seconds. a chance of light freezing spray. 
.fri...w winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. a chance of light freezing spray. 
.fri night through sat night...nw winds 15 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 301506
cwfbox
expires:202512310400;;499073

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 am est tue dec 30 2025

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


anz254-310400-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1006 am est tue dec 30 2025

...gale warning in effect through wednesday morning...

.this afternoon...w winds 25 to 30 kt with gusts up to 45 kt.
seas 7 to 10 ft, except 10 to 14 ft s and e of nantucket. wave
detail: w 7 ft at 6 seconds and sw 6 ft at 9 seconds. 
.tonight...w winds 25 to 30 kt with gusts up to 40 kt. seas 7 to
10 ft. wave detail: w 7 ft at 6 seconds and sw 4 ft at 9 seconds.
.wed...w winds 20 to 25 kt, becoming sw 15 to 20 kt in the
afternoon. seas 5 to 7 ft. wave detail: w 6 ft at 6 seconds and s
3 ft at 10 seconds. 
.wed night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
4 to 6 ft. wave detail: w 3 ft at 5 seconds and s 3 ft at
8 seconds. a chance of snow in the evening, then snow likely
after midnight with vsby 1 nm or less. 
.thu...w winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. wave detail: nw 4 ft at 4 seconds and s 3 ft at 8 seconds.
snow likely in the morning with vsby 1 nm or less. 
.thu night...nw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: n 4 ft at 5 seconds and s 3 ft at
9 seconds. a chance of light freezing spray. 
.fri and fri night...w winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 5 ft. 
.sat and sat 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 301506
cwfbox
expires:202512310400;;499074

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 am est tue dec 30 2025

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


anz255-310400-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1006 am est tue dec 30 2025

...gale warning in effect through wednesday morning...

.this afternoon...w winds 30 to 35 kt with gusts up to 45 kt.
seas 9 to 13 ft. wave detail: w 13 ft at 9 seconds and w 3 ft at
5 seconds. 
.tonight...w winds 30 to 35 kt, becoming 25 to 35 kt after
midnight. gusts up to 45 kt. seas 9 to 13 ft. wave detail: w
12 ft at 9 seconds and w 3 ft at 6 seconds. 
.wed...w winds 25 to 30 kt, diminishing to 15 to 20 kt in the
afternoon. seas 7 to 10 ft, subsiding to 5 to 7 ft in the
afternoon. wave detail: w 10 ft at 7 seconds and e 1 foot at
12 seconds, becoming sw 7 ft at 8 seconds and w 1 foot at
5 seconds. 
.wed night...w winds 15 to 20 kt with gusts up to 25 kt. seas
5 to 8 ft. wave detail: sw 7 ft at 7 seconds and w 1 foot at
4 seconds. a chance of snow in the evening, then snow likely
after midnight with vsby 1 nm or less. 
.thu...nw winds 20 to 25 kt. seas 5 to 8 ft. wave detail: sw 7 ft
at 8 seconds and nw 2 ft at 5 seconds. snow likely in the morning
with vsby 1 nm or less. 
.thu night...nw winds 20 to 25 kt. seas 4 to 6 ft. wave detail: w
6 ft at 7 seconds and e 2 ft at 13 seconds. a chance of light
freezing spray. 
.fri...w winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. a chance of light freezing spray. 
.fri night...w winds 15 to 20 kt with gusts up to 25 kt. seas
4 to 6 ft. 
.sat and sat night...nw winds around 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.

$$