fzus51 kbox 230807
cwfbox
expires:202603232100;;156625

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

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


anz231-232100-
cape cod bay-
406 am edt mon mar 23 2026

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

.today...n winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: n 4 ft at 5 seconds and s 2 ft at 8 seconds.
rain and sleet this morning, then scattered showers this
afternoon. 
.tonight...n winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. gusts up to 30 kt. seas 3 to 5 ft. wave detail: ne 5 ft
at 9 seconds and n 4 ft at 5 seconds. a chance of rain and snow
showers in the evening. 
.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 9 seconds and n 3 ft at 5 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 9 seconds and sw 2 ft at
3 seconds. 
.wed...sw winds around 10 kt, increasing to 15 to 20 kt with
gusts up to 25 kt in the afternoon. seas 2 to 3 ft. wave detail:
e 3 ft at 9 seconds and sw 2 ft at 3 seconds. 
.wed night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 3 ft. wave detail: sw 2 ft at 3 seconds and se 2 ft at
6 seconds. a chance of rain after midnight. 
.thu...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. a chance of rain. 
.thu night...sw winds 20 to 25 kt. seas 2 to 4 ft. rain likely. 
.fri...nw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. a chance of rain. 
.fri night...n winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 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 230807
cwfbox
expires:202603232100;;156629

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

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


anz232-232100-
nantucket sound-
406 am edt mon mar 23 2026

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

.today...n winds 15 to 20 kt with gusts up to 30 kt. seas 2 to
4 ft. wave detail: n 3 ft at 4 seconds and s 2 ft at 7 seconds.
rain this morning, then showers likely this afternoon. 
.tonight...n winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. gusts up to 30 kt. seas 2 to 4 ft. wave detail: n 3 ft
at 4 seconds and e 2 ft at 10 seconds. a chance of rain and snow
showers in the evening. 
.tue...n winds 10 to 15 kt with gusts up to 20 kt, becoming nw
5 to 10 kt in the afternoon. seas 2 to 4 ft. wave detail: e 3 ft
at 9 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: sw 3 ft at 4 seconds and e 2 ft at
9 seconds. 
.wed and wed night...sw winds 15 to 20 kt. seas 2 to 3 ft. wave
detail: sw 3 ft at 4 seconds and e 2 ft at 9 seconds. 
.thu...sw winds 15 to 20 kt. seas 2 to 3 ft. wave detail: s 3 ft
at 5 seconds and e 1 foot at 10 seconds. 
.thu night and fri...sw winds 20 to 25 kt, becoming nw. seas 3 to
5 ft. a chance of rain. 
.fri night...n winds 15 to 20 kt with gusts up to 25 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 230807
cwfbox
expires:202603232100;;156630

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

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


anz233-232100-
vineyard sound-
406 am edt mon mar 23 2026

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

.today...n winds 15 to 20 kt with gusts up to 30 kt. seas 2 to
4 ft. wave detail: s 3 ft at 7 seconds and n 2 ft at 4 seconds.
rain this morning, then scattered showers this afternoon. 
.tonight...n winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: n 2 ft at 4 seconds and s 2 ft at 8 seconds. a
chance of rain and snow showers in the evening. 
.tue...n winds 10 to 15 kt with gusts up to 20 kt, becoming nw
5 to 10 kt in the afternoon. seas 2 to 3 ft. wave detail: s 2 ft
at 8 seconds and e 2 ft at 9 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 1 foot at 3 seconds. 
.wed and wed night...sw winds 15 to 20 kt. seas 2 to 4 ft. wave
detail: sw 3 ft at 5 seconds and s 1 foot at 8 seconds. 
.thu...sw winds 15 to 20 kt. seas 2 to 3 ft. wave detail: sw 3 ft
at 5 seconds and e 1 foot at 10 seconds. 
.thu night and fri...sw winds 20 to 25 kt, becoming nw. seas 3 to
5 ft. a chance of rain. 
.fri night...n winds 15 to 20 kt with gusts up to 25 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 230807
cwfbox
expires:202603232100;;156631

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

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


anz234-232100-
buzzards bay-
406 am edt mon mar 23 2026

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

.today...n winds 15 to 20 kt with gusts up to 30 kt. seas 2 to
4 ft. wave detail: n 2 ft at 4 seconds and sw 2 ft at 7 seconds.
rain this morning, then scattered showers this afternoon. 
.tonight...n winds 10 to 15 kt, becoming nw 5 to 10 kt after
midnight. gusts up to 25 kt. seas 2 to 3 ft. wave detail: n 2 ft
at 4 seconds and s 2 ft at 7 seconds. a chance of rain and snow
showers in the evening. 
.tue...n winds 10 to 15 kt with gusts up to 20 kt, becoming nw
5 to 10 kt in the afternoon. seas around 2 ft. wave detail: s
2 ft at 8 seconds and e 2 ft at 9 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 e 2 ft at 9 seconds. 
.wed...sw winds 10 to 15 kt, increasing to 15 to 20 kt with gusts
up to 25 kt in the afternoon. seas 2 to 4 ft. wave detail: sw
3 ft at 4 seconds and s 1 foot at 8 seconds. 
.wed night...sw winds 15 to 20 kt. seas 2 to 3 ft. wave detail: s
3 ft at 6 seconds and e 1 foot at 9 seconds. a chance of rain
after midnight. 
.thu...sw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
3 ft. 
.thu night and fri...sw winds 20 to 25 kt, becoming nw. seas 3 to
5 ft. a chance of rain. 
.fri 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 230807
cwfbox
expires:202603232100;;156632

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

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


anz235-232100-
rhode island sound-
406 am edt mon mar 23 2026

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

.today...n winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: s 5 ft at 8 seconds and n 3 ft at 4 seconds.
rain this morning, then scattered showers this afternoon. 
.tonight...n winds 10 to 15 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: s 4 ft at 8 seconds and n 3 ft at 4 seconds. a
chance of rain and snow showers in the evening. 
.tue...n winds 10 to 15 kt with gusts up to 20 kt, becoming nw
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, increasing to 15 to 20 kt
after midnight. seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds
and s 2 ft at 8 seconds. 
.wed and wed night...sw winds 15 to 20 kt. seas 2 to 4 ft. wave
detail: sw 4 ft at 5 seconds and se 1 foot at 8 seconds. 
.thu...sw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: sw 3 ft at 6 seconds and e 1 foot at
10 seconds. 
.thu night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 ft. a chance of rain. 
.fri...nw winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. a chance of rain. 
.fri night...n winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 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 230807
cwfbox
expires:202603232100;;156635

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

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


anz236-232100-
narragansett bay-
406 am edt mon mar 23 2026

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

.today...n winds 10 to 15 kt with gusts up to 30 kt. waves 2 to
3 ft. rain with a chance of sleet this morning, then scattered
showers this afternoon. 
.tonight...n winds 5 to 10 kt with gusts up to 25 kt. waves 2 to
3 ft. a chance of rain and snow showers in the evening. 
.tue...nw winds 5 to 10 kt. gusts up to 20 kt in the morning.
waves 2 to 3 ft. 
.tue night...sw winds 10 to 15 kt. waves around 2 ft. 
.wed and wed night...sw winds 15 to 20 kt. waves 2 to 3 ft. 
.thu...sw winds 15 to 20 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. rain likely. 
.fri...nw winds 15 to 20 kt with gusts up to 25 kt. waves 3 to
5 ft. a chance of rain. 
.fri night...n 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 230807
cwfbox
expires:202603232100;;156623

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

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


anz250-232100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
406 am edt mon mar 23 2026

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

.today...ne winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
8 ft. wave detail: ne 7 ft at 7 seconds and e 6 ft at 10 seconds.
rain, sleet with a chance of snow this morning, then scattered
rain and snow showers this afternoon. 
.tonight...n winds 15 to 20 kt with gusts up to 30 kt. seas 5 to
7 ft. wave detail: ne 7 ft at 7 seconds and se 3 ft at 9 seconds.
a chance of snow and rain showers in the evening. 
.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 7 ft
at 9 seconds and se 2 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. gusts up to 25 kt. seas 3 to 4 ft. wave detail: w 3 ft
at 4 seconds and e 3 ft at 9 seconds. 
.wed night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: s 4 ft at 5 seconds and e 1 foot at
10 seconds. a chance of rain after midnight. 
.thu...sw winds around 15 kt with gusts up to 20 kt. seas 2 to
3 ft. a chance of rain. 
.thu night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 ft. rain likely. 
.fri...nw winds 20 to 25 kt. seas 5 to 7 ft. rain likely. 
.fri night...n winds 20 to 25 kt. seas 4 to 6 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 230807
cwfbox
expires:202603232100;;156626

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

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


anz254-232100-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
406 am edt mon mar 23 2026

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

.today...n winds 15 to 20 kt with gusts up to 30 kt. seas 5 to
7 ft. wave detail: n 6 ft at 5 seconds and s 4 ft at 8 seconds.
rain this morning, then scattered showers this afternoon. 
.tonight...n winds 15 to 20 kt with gusts up to 30 kt. seas 5 to
8 ft. wave detail: e 7 ft at 10 seconds and ne 6 ft at 7 seconds.
a chance of rain and snow showers in the evening. 
.tue...n winds 10 to 15 kt. gusts up to 20 kt in the morning.
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 5 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 25 kt. seas 3 to
5 ft. wave detail: ne 4 ft at 9 seconds and w 3 ft at 4 seconds. 
.wed 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 se 2 ft at
8 seconds. 
.thu...sw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
3 ft. 
.thu night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 ft. a chance of rain. 
.fri...nw winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
8 ft. a chance of rain. 
.fri night...n winds 20 to 25 kt. seas 5 to 7 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 230807
cwfbox
expires:202603232100;;156627

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

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


anz255-232100-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
406 am edt mon mar 23 2026

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

.today...n winds 15 to 20 kt, increasing to 20 to 25 kt this
afternoon. gusts up to 30 kt. seas 4 to 6 ft. wave detail: s 5 ft
at 8 seconds and n 4 ft at 5 seconds. rain likely this morning,
then scattered showers this afternoon. 
.tonight...n winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. gusts up to 30 kt. seas 4 to 6 ft. wave detail: n 4 ft
at 5 seconds and s 4 ft at 8 seconds. scattered rain and snow
showers in the evening. 
.tue...n winds 15 to 20 kt, becoming nw 10 to 15 kt in the
afternoon. seas 4 to 6 ft. wave detail: ne 4 ft at 9 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: sw 4 ft at 5 seconds
and e 4 ft at 9 seconds. 
.wed and wed night...sw winds 15 to 20 kt. seas 3 to 5 ft. wave
detail: sw 4 ft at 5 seconds and e 3 ft at 9 seconds. 
.thu...sw winds 15 to 20 kt with gusts up to 25 kt. seas around
3 ft. wave detail: sw 3 ft at 6 seconds and e 1 foot at
9 seconds. 
.thu night and fri...sw winds 25 to 30 kt, becoming w. seas 5 to
8 ft. a chance of rain. 
.fri night...n winds 20 to 25 kt. seas 4 to 6 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.

$$