fzus51 kbox 250805
cwfbox
expires:202603252100;;260068

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt wed mar 25 2026

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


anz231-252100-
cape cod bay-
405 am edt wed mar 25 2026

.today...w winds 10 to 15 kt, becoming sw 5 to 10 kt this
afternoon. seas around 2 ft. wave detail: w 2 ft at 3 seconds and
e 2 ft at 9 seconds. 
.tonight...s winds 10 to 15 kt. gusts up to 20 kt after midnight.
seas around 2 ft. wave detail: sw 1 foot at 3 seconds and ne
1 foot at 5 seconds. 
.thu...sw winds 15 to 20 kt with gusts up to 30 kt. seas 2 to
4 ft. wave detail: s 3 ft at 4 seconds and se 2 ft at 8 seconds. 
.thu night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 4 ft. wave detail: sw 3 ft at 4 seconds and s 3 ft at
8 seconds. a chance of rain in the evening, then rain after
midnight. 
.fri...nw winds around 15 kt, becoming n in the afternoon. gusts
up to 20 kt. seas 2 to 3 ft. wave detail: nw 2 ft at 4 seconds
and s 2 ft at 8 seconds. rain, mainly in the morning. 
.fri night...n winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: n 3 ft at 5 seconds and s 2 ft at
8 seconds. 
.sat through sun 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 250805
cwfbox
expires:202603252100;;260072

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt wed mar 25 2026

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


anz232-252100-
nantucket sound-
405 am edt wed mar 25 2026

.today...sw winds 10 to 15 kt. gusts up to 20 kt this morning.
seas 2 to 3 ft. wave detail: w 3 ft at 4 seconds and e 2 ft at
9 seconds. 
.tonight...s winds 10 to 15 kt. gusts up to 20 kt after midnight.
seas around 2 ft. wave detail: sw 2 ft at 3 seconds and ne 1 foot
at 5 seconds. 
.thu...s winds 15 to 20 kt, becoming sw 20 to 25 kt in the
afternoon. gusts up to 30 kt. seas 2 to 4 ft. wave detail: s 4 ft
at 4 seconds and e 1 foot at 9 seconds. 
.thu night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 ft. wave detail: s 4 ft at 6 seconds. rain after midnight.
.fri...w winds 15 to 20 kt, becoming n 10 to 15 kt in the
afternoon. seas 3 to 5 ft. wave detail: w 3 ft at 4 seconds and n
2 ft at 3 seconds. rain, mainly in the morning. 
.fri night...n winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 4 ft. wave detail: n 2 ft at 4 seconds and s
2 ft at 8 seconds. 
.sat through sun 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 250805
cwfbox
expires:202603252100;;260073

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt wed mar 25 2026

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


anz233-252100-
vineyard sound-
405 am edt wed mar 25 2026

.today...sw winds 10 to 15 kt. seas 2 to 3 ft. wave detail: sw
3 ft at 5 seconds and se 1 foot at 8 seconds. 
.tonight...s winds 10 to 15 kt. gusts up to 20 kt after midnight.
seas around 2 ft. wave detail: sw 2 ft at 4 seconds and se 1 foot
at 8 seconds. 
.thu...sw winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: sw 5 ft at 6 seconds and se 1 foot at
9 seconds. 
.thu night...sw winds 25 to 30 kt. seas 5 to 7 ft. wave detail:
sw 7 ft at 7 seconds. a chance of rain in the evening, then rain
after midnight. 
.fri...w winds 15 to 20 kt, becoming n 10 to 15 kt in the
afternoon. seas 4 to 6 ft. wave detail: sw 5 ft at 7 seconds and
n 1 foot at 3 seconds. rain, mainly in the morning. 
.fri night...n winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 4 ft. wave detail: sw 3 ft at 7 seconds and n
2 ft at 3 seconds. 
.sat through sun night...sw 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 250805
cwfbox
expires:202603252100;;260074

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt wed mar 25 2026

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


anz234-252100-
buzzards bay-
405 am edt wed mar 25 2026

.today...sw winds 10 to 15 kt. seas around 2 ft. wave detail: sw
2 ft at 5 seconds and se 1 foot at 8 seconds. 
.tonight...s winds 10 to 15 kt. gusts up to 20 kt after midnight.
seas around 2 ft. wave detail: sw 2 ft at 4 seconds and se 1 foot
at 9 seconds. 
.thu...sw winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
4 ft. wave detail: sw 4 ft at 5 seconds and e 1 foot at
9 seconds. 
.thu night...sw winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. seas 4 to 6 ft. wave detail: sw 5 ft at
7 seconds. a chance of rain in the evening, then rain after
midnight. 
.fri...nw winds 15 to 20 kt, becoming n 10 to 15 kt in the
afternoon. seas 3 to 5 ft. wave detail: sw 4 ft at 7 seconds and
n 1 foot at 3 seconds. rain, mainly in the morning. 
.fri night...n winds 10 to 15 kt. seas 2 to 3 ft. wave detail: ne
2 ft at 3 seconds and sw 2 ft at 7 seconds. 
.sat through sun night...sw winds 10 to 15 kt with gusts up 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 250805
cwfbox
expires:202603252100;;260075

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt wed mar 25 2026

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


anz235-252100-
rhode island sound-
405 am edt wed mar 25 2026

.today...sw winds 10 to 15 kt. seas 2 to 3 ft. wave detail: sw
3 ft at 5 seconds and se 2 ft at 8 seconds. 
.tonight...s winds 10 to 15 kt. gusts up to 20 kt after midnight.
seas around 2 ft. wave detail: s 2 ft at 4 seconds and se 1 foot
at 8 seconds. 
.thu...sw winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: s 5 ft at 7 seconds. 
.thu night...sw winds 25 to 30 kt. seas 5 to 8 ft. wave detail: s
8 ft at 8 seconds. a chance of rain in the evening, then rain
after midnight. 
.fri...w winds 15 to 20 kt, becoming n 10 to 15 kt in the
afternoon. seas 5 to 7 ft. wave detail: s 7 ft at 8 seconds and w
2 ft at 5 seconds. rain, mainly in the morning. 
.fri night...n winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 3 to 5 ft. wave detail: s 5 ft at 8 seconds and n
2 ft at 4 seconds. 
.sat through sun night...sw 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 250805
cwfbox
expires:202603252100;;260078

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt wed mar 25 2026

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


anz236-252100-
narragansett bay-
405 am edt wed mar 25 2026

.today...w winds 5 to 10 kt, becoming sw this afternoon. waves
around 2 ft. 
.tonight...s winds 10 to 15 kt. gusts up to 20 kt after midnight.
waves around 2 ft. 
.thu...sw winds 15 to 20 kt with gusts up to 25 kt. waves 2 to
3 ft. 
.thu night...sw winds 20 to 25 kt with gusts up to 30 kt. waves
3 to 5 ft. a chance of rain in the evening, then rain after
midnight. 
.fri...nw winds 10 to 15 kt. gusts up to 20 kt in the morning.
waves 2 to 4 ft. rain likely, mainly in the morning. 
.fri night...n winds 10 to 15 kt. waves 2 to 3 ft. 
.sat through sun night...sw winds 10 to 15 kt with gusts up to
20 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 250805
cwfbox
expires:202603252100;;260066

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt wed mar 25 2026

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


anz250-252100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 am edt wed mar 25 2026

...small craft advisory in effect until 7 am edt this morning...

.today...w winds 10 to 15 kt with gusts up to 20 kt, becoming s
this afternoon. seas 2 to 4 ft. wave detail: w 3 ft at 4 seconds
and e 3 ft at 9 seconds. 
.tonight...s winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: se 3 ft at 4 seconds and e 2 ft at 9 seconds. 
.thu...s winds 15 to 20 kt, becoming sw 20 to 25 kt in the
afternoon. gusts up to 30 kt. seas 3 to 5 ft. wave detail: se
4 ft at 4 seconds and e 3 ft at 9 seconds. a chance of showers in
the morning. 
.thu night...sw winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. gusts up to 30 kt. seas 4 to 6 ft. wave detail: s
4 ft at 6 seconds. a chance of rain in the evening, then rain
after midnight. 
.fri...nw winds 15 to 20 kt. seas 3 to 5 ft. wave detail: nw 3 ft
at 4 seconds and se 3 ft at 8 seconds. rain likely in the
morning. 
.fri night...n winds 15 to 20 kt. seas 3 to 5 ft. wave detail: n
4 ft at 6 seconds and se 2 ft at 8 seconds. 
.sat...ne winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
5 ft. 
.sat night through sun night...sw 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 250805
cwfbox
expires:202603252100;;260069

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt wed mar 25 2026

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


anz254-252100-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
405 am edt wed mar 25 2026

...small craft advisory in effect until 7 am edt this morning...

.today...w winds 15 to 20 kt, becoming sw 5 to 10 kt this
afternoon. seas 3 to 5 ft. wave detail: w 4 ft at 4 seconds and
ne 4 ft at 9 seconds. 
.tonight...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: s 3 ft at 4 seconds and e 2 ft at 9 seconds. 
.thu...s winds 15 to 20 kt, becoming sw 20 to 25 kt in the
afternoon. gusts up to 30 kt. seas 3 to 5 ft. wave detail: sw
5 ft at 6 seconds and e 4 ft at 9 seconds. 
.thu night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 8 ft. wave detail: sw 7 ft at 7 seconds. rain after
midnight. 
.fri...w winds 15 to 20 kt, becoming n in the afternoon. gusts up
to 25 kt. seas 5 to 7 ft. wave detail: s 6 ft at 8 seconds and n
3 ft at 4 seconds. rain, mainly in the morning. 
.fri night...n winds 10 to 15 kt with gusts up to 20 kt. seas
4 to 6 ft. wave detail: n 4 ft at 6 seconds and s 4 ft at
8 seconds. 
.sat and sat night...n winds 10 to 15 kt, becoming w. gusts up to
20 kt. seas 3 to 5 ft. 
.sun and sun night...w winds 15 to 20 kt, becoming sw 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 250805
cwfbox
expires:202603252100;;260070

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt wed mar 25 2026

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


anz255-252100-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
405 am edt wed mar 25 2026

...small craft advisory in effect until 7 am edt this morning...

.today...w winds 15 to 20 kt, becoming sw around 10 kt this
afternoon. seas 3 to 5 ft. wave detail: sw 4 ft at 5 seconds and
e 3 ft at 9 seconds. 
.tonight...s winds 10 to 15 kt. gusts up to 20 kt after midnight.
seas 2 to 3 ft. wave detail: s 3 ft at 4 seconds and e 2 ft at
9 seconds. 
.thu...s winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: sw 6 ft at 7 seconds and e 1 foot at
9 seconds. 
.thu night...sw winds 25 to 30 kt with gusts up to 35 kt. seas
7 to 10 ft. wave detail: sw 10 ft at 8 seconds. rain likely after
midnight. 
.fri...w winds 15 to 20 kt, becoming n in the afternoon. gusts up
to 25 kt. seas 6 to 9 ft. wave detail: sw 8 ft at 8 seconds and w
4 ft at 7 seconds. rain likely, mainly in the morning. 
.fri night...ne winds 10 to 15 kt, becoming n 15 to 20 kt after
midnight. seas 4 to 6 ft. wave detail: s 5 ft at 8 seconds and n
3 ft at 5 seconds. 
.sat...n winds 15 to 20 kt. seas 3 to 5 ft. 
.sat night through sun night...sw 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.

$$