fzus51 kbox 251504
cwfbox
expires:202602260400;;233999

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am est wed feb 25 2026

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


anz231-260400-
cape cod bay-
1004 am est wed feb 25 2026

...small craft advisory in effect until 7 pm est this evening...

.this afternoon...s winds 15 to 20 kt with gusts up to 30 kt.
seas 2 to 4 ft. wave detail: s 2 ft at 3 seconds and ne 1 foot at
8 seconds. rain. snow, then a chance of snow. 
.tonight...sw winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: sw 2 ft at 3 seconds and se 1 foot at
7 seconds. 
.thu...w winds 10 to 15 kt with gusts up to 20 kt, diminishing to
5 to 10 kt in the afternoon. seas 2 to 3 ft. wave detail: s 2 ft
at 10 seconds and w 1 foot at 3 seconds. 
.thu night...nw winds 5 to 10 kt. gusts up to 20 kt after
midnight. seas around 2 ft. wave detail: s 2 ft at 10 seconds and
nw 1 foot at 4 seconds. 
.fri...nw winds 5 to 10 kt, becoming sw in the afternoon. seas
around 2 ft in the morning, then 1 foot or less. wave detail: nw
1 foot at 3 seconds and s 1 foot at 9 seconds. 
.fri night...sw winds 5 to 10 kt. seas 1 foot or less. wave
detail: w 1 foot at 3 seconds and ne 1 foot at 7 seconds. 
.sat through sun...nw winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. 
.sun night...nw winds 15 to 20 kt. seas 2 to 4 ft. a chance of
light freezing spray.  

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 251504
cwfbox
expires:202602260400;;234003

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am est wed feb 25 2026

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


anz232-260400-
nantucket sound-
1004 am est wed feb 25 2026

...small craft advisory in effect through late tonight...

.this afternoon...sw winds 15 to 20 kt with gusts up to 35 kt.
seas 3 to 5 ft. wave detail: s 3 ft at 4 seconds and e 1 foot at
10 seconds. rain, snow.
.tonight...sw winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: sw 3 ft at 4 seconds and s 2 ft at 9 seconds. 
.thu...w winds 5 to 10 kt. gusts up to 20 kt in the morning. seas
2 to 4 ft. wave detail: w 2 ft at 3 seconds and s 2 ft at
9 seconds. 
.thu night...w winds 5 to 10 kt, becoming nw after midnight. seas
2 to 3 ft. wave detail: s 2 ft at 9 seconds and w 1 foot at
3 seconds. 
.fri...nw winds 5 to 10 kt, becoming w in the afternoon. seas
around 2 ft. wave detail: s 2 ft at 9 seconds and nw 1 foot at
3 seconds. 
.fri night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
s 2 ft at 9 seconds and w 1 foot at 2 seconds. 
.sat through sun night...n 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 251504
cwfbox
expires:202602260400;;234004

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am est wed feb 25 2026

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


anz233-260400-
vineyard sound-
1004 am est wed feb 25 2026

...small craft advisory in effect through late tonight...

.this afternoon...sw winds 15 to 20 kt with gusts up to 30 kt.
seas 3 to 4 ft, building to 4 to 6 ft. wave detail: sw 3 ft at
5 seconds and se 1 foot at 10 seconds, becoming sw 5 ft at
7 seconds and se 5 ft at 12 seconds. rain with a chance of snow,
then a chance of rain. 
.tonight...sw winds 10 to 15 kt with gusts up to 25 kt. seas 4 to
6 ft. wave detail: sw 5 ft at 7 seconds. 
.thu...w winds 5 to 10 kt. gusts up to 20 kt in the morning. seas
3 to 5 ft. wave detail: sw 4 ft at 9 seconds and w 1 foot at
4 seconds. 
.thu night...w winds 5 to 10 kt, becoming nw after midnight. seas
2 to 4 ft. wave detail: s 3 ft at 9 seconds and w 1 foot at
4 seconds. 
.fri...nw winds 5 to 10 kt, becoming w in the afternoon. seas
2 to 3 ft. wave detail: s 3 ft at 9 seconds and nw 1 foot at
3 seconds. 
.fri night...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s
3 ft at 9 seconds and w 1 foot at 2 seconds. 
.sat through sun night...n 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 251504
cwfbox
expires:202602260400;;234005

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am est wed feb 25 2026

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


anz234-260400-
buzzards bay-
1004 am est wed feb 25 2026

...small craft advisory in effect through late tonight...

.this afternoon...sw winds 15 to 20 kt with gusts up to 30 kt.
seas 3 to 5 ft. wave detail: sw 4 ft at 6 seconds and se 3 ft at
11 seconds. rain and snow, then a chance of rain. 
.tonight...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: sw 4 ft at 7 seconds. 
.thu...w winds 5 to 10 kt. gusts up to 20 kt in the morning. seas
2 to 4 ft. wave detail: sw 3 ft at 9 seconds and w 1 foot at
4 seconds. 
.thu night...w winds 5 to 10 kt, becoming nw after midnight. seas
2 to 3 ft. wave detail: sw 3 ft at 9 seconds and w 1 foot at
4 seconds. 
.fri...nw winds around 5 kt, becoming sw in the afternoon. seas
around 2 ft. wave detail: s 2 ft at 9 seconds and nw 1 foot at
3 seconds. 
.fri night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
s 2 ft at 9 seconds and sw 1 foot at 3 seconds. 
.sat through sun night...n winds 15 to 20 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 251504
cwfbox
expires:202602260400;;234006

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am est wed feb 25 2026

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


anz235-260400-
rhode island sound-
1004 am est wed feb 25 2026

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

.this afternoon...sw winds 15 to 20 kt with gusts up to 30 kt.
seas 4 to 5 ft, building to 5 to 7 ft. wave detail: sw 5 ft at
5 seconds and se 1 foot at 10 seconds, becoming sw 7 ft at
7 seconds and s 6 ft at 14 seconds. rain with a chance of snow,
then a chance of rain. 
.tonight...sw winds 10 to 15 kt with gusts up to 25 kt. seas 5 to
7 ft. wave detail: sw 6 ft at 8 seconds and sw 2 ft at 5 seconds.
.thu...w winds 10 to 15 kt. gusts up to 20 kt in the morning.
seas 4 to 6 ft. wave detail: s 5 ft at 9 seconds and w 1 foot at
3 seconds. 
.thu night...w winds 5 to 10 kt, becoming n after midnight. seas
3 to 5 ft. wave detail: s 5 ft at 9 seconds. 
.fri...n winds 5 to 10 kt, becoming w in the afternoon. seas 2 to
4 ft. wave detail: s 4 ft at 9 seconds. 
.fri night...sw winds 5 to 10 kt. seas 2 to 4 ft. wave detail: s
4 ft at 9 seconds. 
.sat through sun...nw winds 10 to 15 kt. seas 2 to 3 ft. 
.sun night...n winds 15 to 20 kt. seas 2 to 3 ft. a chance of
light freezing spray.  

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 251504
cwfbox
expires:202602260400;;234009

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am est wed feb 25 2026

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


anz236-260400-
narragansett bay-
1004 am est wed feb 25 2026

...small craft advisory in effect until 7 pm est this evening...

.this afternoon...sw winds 10 to 15 kt with gusts up to 30 kt.
waves 2 to 4 ft. a chance of rain. snow, then a chance of snow. 
.tonight...sw winds 5 to 10 kt with gusts up to 20 kt. waves 2 to
4 ft. 
.thu...w winds 5 to 10 kt. waves 2 to 3 ft. 
.thu night...nw winds 5 to 10 kt. waves 2 to 3 ft. 
.fri and fri night...sw winds 5 to 10 kt. waves around 2 ft. 
.sat through sun night...n 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 251504
cwfbox
expires:202602260400;;233997

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am est wed feb 25 2026

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


anz250-260400-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1004 am est wed feb 25 2026

...small craft advisory in effect until 10 pm est this evening...

.this afternoon...s winds 20 to 25 kt with gusts up to 30 kt.
seas 3 to 5 ft. wave detail: s 5 ft at 4 seconds and se 3 ft at
10 seconds. snow. a chance of rain. 
.tonight...sw winds 15 to 20 kt with gusts up to 30 kt. seas 2 to
4 ft. wave detail: s 3 ft at 6 seconds. a chance of showers after
midnight. 
.thu...w winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: w 3 ft
at 4 seconds and se 2 ft at 10 seconds. 
.thu night...nw winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: w 3 ft at 4 seconds and se 2 ft at
10 seconds. 
.fri and fri night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: nw 2 ft at 3 seconds and se 2 ft at
9 seconds. 
.sat through sun...nw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. wave detail: s 3 ft at 4 seconds and se 2 ft at
8 seconds. 
.sun night...nw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. a chance of light freezing spray.  

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 251504
cwfbox
expires:202602260400;;234000

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am est wed feb 25 2026

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


anz254-260400-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1004 am est wed feb 25 2026

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

.this afternoon...s winds 15 to 20 kt. gusts up to 30 kt,
increasing to 40 kt. seas 3 to 4 ft, building to 4 to 6 ft. wave
detail: s 4 ft at 5 seconds and e 2 ft at 9 seconds, becoming sw
5 ft at 5 seconds and e 3 ft at 10 seconds. rain, snow.
.tonight...sw winds 15 to 20 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: s 5 ft at 9 seconds and w 4 ft at 5 seconds. 
.thu...w winds 10 to 15 kt with gusts up to 25 kt. seas 4 to
6 ft. wave detail: s 5 ft at 10 seconds and w 2 ft at 4 seconds. 
.thu night...nw winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 3 to 5 ft. wave detail: s 4 ft at 9 seconds and nw
2 ft at 4 seconds. 
.fri...nw winds 5 to 10 kt, becoming w in the afternoon. seas
2 to 4 ft. wave detail: s 4 ft at 9 seconds and nw 1 foot at
4 seconds. 
.fri night...s winds 5 to 10 kt. seas 2 to 4 ft. wave detail: s
4 ft at 9 seconds and nw 1 foot at 4 seconds. 
.sat through sun...nw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. 
.sun night...n winds 15 to 20 kt. seas 3 to 5 ft. a chance of
light freezing spray.  

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 251504
cwfbox
expires:202602260400;;234001

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am est wed feb 25 2026

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


anz255-260400-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1004 am est wed feb 25 2026

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

.this afternoon...sw winds 15 to 20 kt with gusts up to 30 kt.
seas 4 to 6 ft, building to 5 to 8 ft. wave detail: sw 4 ft at
6 seconds and e 2 ft at 10 seconds, becoming e 7 ft at 11 seconds
and sw 6 ft at 7 seconds. rain.
.tonight...sw winds around 15 kt with gusts up to 25 kt. seas
5 to 8 ft. wave detail: sw 7 ft at 9 seconds and w 1 foot at
5 seconds. 
.thu...w winds 10 to 15 kt. gusts up to 25 kt in the morning.
seas 5 to 7 ft. wave detail: sw 6 ft at 9 seconds and w 1 foot at
3 seconds. 
.thu night...w winds around 10 kt, becoming nw after midnight.
seas 3 to 5 ft. wave detail: s 5 ft at 9 seconds. 
.fri...n winds 5 to 10 kt, becoming w in the afternoon. seas 3 to
4 ft. wave detail: s 4 ft at 9 seconds. 
.fri night...s winds 5 to 10 kt. seas 3 to 4 ft. wave detail: s
4 ft at 9 seconds. 
.sat through sun...nw winds 10 to 15 kt. seas 2 to 3 ft. 
.sun night...n winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. a chance of light freezing spray.  

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.

$$