fzus51 kbox 240206
cwfbox
expires:202603241500;;195528

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt mon mar 23 2026

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


anz231-241500-
cape cod bay-
1006 pm edt mon mar 23 2026

.overnight...n winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 4 ft. wave detail: n 4 ft at 6 seconds and se 2 ft at
9 seconds. 
.tue...n winds 10 to 15 kt with gusts up to 20 kt, diminishing to
5 to 10 kt in the afternoon. seas 2 to 4 ft. wave detail: ne 4 ft
at 7 seconds and n 2 ft at 4 seconds. 
.tue night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: ne 3 ft at 7 seconds and sw 2 ft at
3 seconds. 
.wed...w 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 ne 2 ft at 7 seconds. 
.wed night and thu...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: sw 2 ft at 3 seconds and ne 1 foot
at 7 seconds. a chance of rain through the day. 
.thu night...sw winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. seas 3 to 4 ft. wave detail: sw 2 ft at 3 seconds
and s 2 ft at 8 seconds. a chance of rain in the evening, then
rain likely after midnight. 
.fri...nw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. rain likely. 
.fri night and sat...n winds 15 to 20 kt. seas 2 to 4 ft. 
.sat night...sw 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 240206
cwfbox
expires:202603241500;;195532

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt mon mar 23 2026

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


anz232-241500-
nantucket sound-
1006 pm edt mon mar 23 2026

.overnight...n winds 15 to 20 kt. seas 2 to 4 ft. wave detail: n
3 ft at 5 seconds and se 2 ft at 9 seconds. 
.tue...n winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. seas 2 to 4 ft. wave detail: ne 3 ft at 7 seconds and
n 2 ft at 3 seconds. 
.tue night...sw winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and
ne 3 ft at 9 seconds. 
.wed...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: w 2 ft at 4 seconds and ne 2 ft at
9 seconds. 
.wed night and thu...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and se 1 foot
at 8 seconds. 
.thu night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. wave detail: sw 4 ft at 4 seconds and s 3 ft at
8 seconds. rain likely after midnight. 
.fri...nw winds 20 to 25 kt. seas 3 to 5 ft. rain likely. 
.fri night and sat...n winds 15 to 20 kt, diminishing to 10 to
15 kt. seas 2 to 4 ft. 
.sat night...w 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 240206
cwfbox
expires:202603241500;;195533

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt mon mar 23 2026

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


anz233-241500-
vineyard sound-
1006 pm edt mon mar 23 2026

.overnight...n winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: n 2 ft at 4 seconds and s 2 ft at
8 seconds. 
.tue...n winds 10 to 15 kt, becoming nw 5 to 10 kt in the
afternoon. seas 2 to 3 ft. wave detail: nw 2 ft at 3 seconds and
ne 2 ft at 6 seconds. 
.tue night...sw winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds
and ne 2 ft at 8 seconds. 
.wed...w 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 3 ft
at 4 seconds and se 1 foot at 8 seconds. 
.wed night and thu...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: sw 4 ft at 5 seconds and se 1 foot
at 8 seconds. 
.thu night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 ft. wave detail: s 5 ft at 7 seconds. rain likely after
midnight. 
.fri...nw winds 20 to 25 kt. seas 4 to 6 ft. rain likely. 
.fri night and sat...n winds 15 to 20 kt. seas 2 to 4 ft. 
.sat night...w 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 240206
cwfbox
expires:202603241500;;195534

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt mon mar 23 2026

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


anz234-241500-
buzzards bay-
1006 pm edt mon mar 23 2026

.overnight...n winds 10 to 15 kt. seas around 2 ft. wave detail:
n 2 ft at 4 seconds and s 2 ft at 8 seconds. 
.tue...n winds 10 to 15 kt, becoming w 5 to 10 kt in the
afternoon. seas around 2 ft. wave detail: n 2 ft at 4 seconds and
s 2 ft at 8 seconds. 
.tue night...sw winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. seas around 2 ft. wave detail: sw 2 ft at
4 seconds and ne 2 ft at 7 seconds. 
.wed...w winds 5 to 10 kt, becoming sw 15 to 20 kt in the
afternoon. seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and
e 2 ft at 9 seconds. 
.wed night and thu...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: sw 4 ft at 5 seconds and se 1 foot
at 8 seconds. 
.thu night...sw winds 20 to 25 kt. seas 3 to 5 ft. wave detail: s
5 ft at 7 seconds. rain likely after midnight. 
.fri...nw winds 20 to 25 kt. seas 3 to 5 ft. rain likely. 
.fri night through sat night...w 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 240206
cwfbox
expires:202603241500;;195535

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt mon mar 23 2026

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


anz235-241500-
rhode island sound-
1006 pm edt mon mar 23 2026

.overnight...n winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 4 ft. wave detail: s 4 ft at 8 seconds and n 3 ft at
4 seconds. 
.tue...n winds 10 to 15 kt with gusts up to 20 kt, becoming w
5 to 10 kt in the afternoon. seas 2 to 4 ft. wave detail: se 4 ft
at 8 seconds and n 2 ft at 4 seconds. 
.tue night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 4 ft. wave detail: sw 3 ft at 4 seconds and se 3 ft at
8 seconds. 
.wed...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: sw 3 ft at 5 seconds and se 2 ft at
8 seconds. 
.wed night and thu...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 4 ft. wave detail: sw 4 ft at 5 seconds and se 1 foot
at 8 seconds. 
.thu night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 7 ft. wave detail: sw 6 ft at 6 seconds and s 6 ft at
9 seconds. rain likely after midnight. 
.fri...nw winds 20 to 25 kt. seas 5 to 7 ft. rain likely. 
.fri night...n winds 15 to 20 kt. seas 3 to 5 ft. 
.sat and sat night...nw winds 15 to 20 kt, becoming w. 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 240206
cwfbox
expires:202603241500;;195538

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt mon mar 23 2026

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


anz236-241500-
narragansett bay-
1006 pm edt mon mar 23 2026

.overnight...n winds around 10 kt. waves 2 to 3 ft. 
.tue...n winds 5 to 10 kt, becoming nw in the afternoon. waves
2 to 3 ft. 
.tue night...sw winds 10 to 15 kt. gusts up to 20 kt after
midnight. waves around 2 ft. 
.wed...w winds 5 to 10 kt, becoming sw 10 to 15 kt with gusts up
to 20 kt in the afternoon. waves 2 to 3 ft. 
.wed night and thu...sw winds 15 to 20 kt with gusts up to 25 kt.
waves 2 to 3 ft. 
.thu night...sw winds 15 to 20 kt with gusts up to 25 kt. waves
3 to 5 ft. a chance of rain in the evening, then rain likely
after midnight. 
.fri...nw winds 15 to 20 kt. waves 3 to 5 ft. rain likely. 
.fri night through sat 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 240206
cwfbox
expires:202603241500;;195526

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt mon mar 23 2026

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


anz250-241500-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1006 pm edt mon mar 23 2026

...small craft advisory in effect through tuesday afternoon...

.overnight...n winds 15 to 20 kt. seas 6 to 7 ft. wave detail: ne
7 ft at 8 seconds and se 3 ft at 9 seconds. a slight chance of
rain and snow. 
.tue...n winds 10 to 15 kt with gusts up to 20 kt, becoming w
5 to 10 kt in the afternoon. seas 5 to 7 ft. wave detail: ne 6 ft
at 9 seconds and se 3 ft at 9 seconds. 
.tue night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: e 5 ft at 9 seconds and sw 3 ft at
3 seconds. 
.wed...w winds 10 to 15 kt, becoming sw 15 to 20 kt in the
afternoon. seas 3 to 4 ft. wave detail: w 3 ft at 4 seconds and e
3 ft at 9 seconds. 
.wed night and thu...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 5 ft. wave detail: s 4 ft at 4 seconds and e 2 ft at
9 seconds. a chance of rain through the day. 
.thu night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 ft. wave detail: sw 4 ft at 4 seconds and se 3 ft at
7 seconds. a chance of rain in the evening, then rain likely
after midnight. 
.fri...nw winds 20 to 25 kt. seas 4 to 6 ft. rain likely. 
.fri night and sat...n winds 20 to 25 kt, diminishing to 15 to
20 kt. seas 4 to 6 ft. 
.sat 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 240206
cwfbox
expires:202603241500;;195529

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt mon mar 23 2026

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


anz254-241500-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1006 pm edt mon mar 23 2026

...small craft advisory in effect through tuesday afternoon...

.overnight...n winds 15 to 20 kt with gusts up to 25 kt. seas
5 to 8 ft. wave detail: ne 7 ft at 8 seconds and s 4 ft at
9 seconds. 
.tue...n winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. seas 5 to 7 ft. wave detail: ne 7 ft at 9 seconds and
s 3 ft at 9 seconds. 
.tue night...sw winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. seas 4 to 6 ft. wave detail: ne 5 ft at 9 seconds
and sw 3 ft at 4 seconds. 
.wed...sw winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
5 ft. wave detail: w 3 ft at 4 seconds and ne 3 ft at 9 seconds. 
.wed night...sw winds around 15 kt with gusts up to 20 kt. seas
3 to 4 ft. wave detail: s 3 ft at 4 seconds and e 2 ft at
9 seconds. a chance of rain after midnight. 
.thu...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: s 4 ft at 5 seconds and se 1 foot at
9 seconds. 
.thu night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 ft, building to 5 to 8 ft after midnight. a chance of rain
after midnight. 
.fri...nw winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
8 ft. a chance of rain. 
.fri night and sat...n winds 15 to 20 kt with gusts up to 25 kt.
seas 4 to 6 ft. 
.sat night...w winds 10 to 15 kt with gusts up to 20 kt. seas
3 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 240206
cwfbox
expires:202603241500;;195530

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt mon mar 23 2026

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


anz255-241500-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1006 pm edt mon mar 23 2026

...small craft advisory in effect through tuesday afternoon...

.overnight...n winds 15 to 20 kt with gusts up to 25 kt. seas
4 to 6 ft. wave detail: n 4 ft at 5 seconds and s 4 ft at
8 seconds. 
.tue...n winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. seas 4 to 6 ft. wave detail: ne 4 ft at 8 seconds and
s 4 ft at 9 seconds. 
.tue night...sw winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. seas 3 to 5 ft. wave detail: w 4 ft at 5 seconds
and ne 4 ft at 9 seconds. 
.wed...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 3 to 5 ft. wave detail: sw 3 ft at 5 seconds and e 3 ft at
9 seconds. 
.wed night and thu...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 5 ft. wave detail: s 5 ft at 7 seconds and e 2 ft at
9 seconds. 
.thu night...sw winds 25 to 30 kt. seas 5 to 8 ft. wave detail:
sw 8 ft at 7 seconds and se 8 ft at 9 seconds. a chance of rain
after midnight. 
.fri...nw winds 25 to 30 kt. seas 6 to 9 ft. a chance of rain. 
.fri night...n winds 20 to 25 kt. seas 5 to 7 ft. a chance of
rain and snow. 
.sat...n winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. 
.sat night...w 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.

$$