fzus51 kbox 090806
cwfbox
expires:202603092100;;887710

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
406 am edt mon mar 9 2026

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


anz231-092100-
cape cod bay-
406 am edt mon mar 9 2026

.today...sw winds 5 to 10 kt, becoming s 10 to 15 kt with gusts
up to 20 kt this afternoon. seas around 2 ft. wave detail: s 2 ft
at 8 seconds and e 2 ft at 9 seconds. patchy fog this morning
with vsby 1 nm or less. 
.tonight...sw winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas around 2 ft. wave
detail: sw 1 foot at 4 seconds and e 1 foot at 9 seconds. patchy
fog after midnight with vsby 1 to 3 nm. 
.tue...sw winds 5 to 10 kt. seas around 2 ft. wave detail: sw
1 foot at 2 seconds and s 1 foot at 5 seconds. 
.tue night...sw winds 5 to 10 kt. seas around 2 ft in the
evening, then 1 foot or less. wave detail: sw 1 foot at 3 seconds
and e 1 foot at 8 seconds. 
.wed...s winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 1 foot or less, then around
2 ft in the afternoon. wave detail: sw 1 foot at 3 seconds and e
1 foot at 8 seconds. 
.wed night...s 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 e 1 foot at
8 seconds. a chance of rain. 
.thu...sw winds around 20 kt with gusts up to 25 kt. seas 3 to
4 ft. rain likely. 
.thu night...nw winds 20 to 25 kt. seas 3 to 5 ft. a chance of
rain and snow. 
.fri...sw winds 15 to 20 kt. seas 2 to 4 ft. 
.fri night...s winds 20 to 25 kt. seas 2 to 4 ft. a chance of
rain and snow.  

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 090806
cwfbox
expires:202603092100;;887714

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
406 am edt mon mar 9 2026

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


anz232-092100-
nantucket sound-
406 am edt mon mar 9 2026

.today...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s 2 ft
at 8 seconds and w 1 foot at 4 seconds. patchy dense fog. vsby
1 nm or less. 
.tonight...sw winds around 10 kt. seas 2 to 3 ft. wave detail: s
2 ft at 7 seconds and sw 1 foot at 3 seconds. patchy fog. vsby
1 nm or less. 
.tue...sw winds around 10 kt. seas around 2 ft. wave detail: sw
1 foot at 3 seconds and s 1 foot at 7 seconds. patchy fog in the
morning with vsby 1 nm or less. 
.tue night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
sw 1 foot at 3 seconds and se 1 foot at 7 seconds. patchy fog in
the evening with vsby 1 nm or less. 
.wed...s winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: sw
2 ft at 4 seconds and e 1 foot at 8 seconds. 
.wed night...s winds 20 to 25 kt with gusts up to 30 kt. seas
2 to 4 ft, building to 4 to 6 ft after midnight. wave detail: sw
4 ft at 5 seconds and e 1 foot at 9 seconds, becoming sw 5 ft at
5 seconds and e 1 foot at 9 seconds. 
.thu...sw winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. rain likely. 
.thu night...nw winds 20 to 25 kt. seas 4 to 6 ft. a chance of
rain and snow. 
.fri...sw winds 15 to 20 kt. seas 2 to 4 ft. 
.fri night...s winds 25 to 30 kt. seas 2 to 4 ft. a chance of
rain.  

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 090806
cwfbox
expires:202603092100;;887715

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
406 am edt mon mar 9 2026

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


anz233-092100-
vineyard sound-
406 am edt mon mar 9 2026

.today...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s 3 ft
at 7 seconds and e 1 foot at 9 seconds. patchy dense fog this
morning, then patchy fog this afternoon. vsby 1 nm or less. 
.tonight...sw winds around 10 kt. seas 2 to 3 ft. wave detail: s
2 ft at 7 seconds and sw 1 foot at 3 seconds. patchy fog. vsby
1 nm or less. 
.tue...sw winds 5 to 10 kt. seas around 2 ft. wave detail: s 2 ft
at 7 seconds and w 1 foot at 3 seconds. patchy fog in the morning
with vsby 1 nm or less. 
.tue night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
s 2 ft at 7 seconds and sw 1 foot at 3 seconds. 
.wed...s winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: se
2 ft at 7 seconds and sw 1 foot at 3 seconds. 
.wed night...s winds 20 to 25 kt, becoming sw 25 to 30 kt after
midnight. seas 3 to 5 ft, building to 5 to 7 ft after midnight.
wave detail: sw 5 ft at 5 seconds and e 1 foot at 9 seconds,
becoming s 6 ft at 7 seconds and sw 2 ft at 4 seconds. a chance
of rain after midnight. 
.thu...sw winds 25 to 30 kt. seas 6 to 9 ft. rain likely. 
.thu night...nw winds 20 to 25 kt. seas 4 to 6 ft. a chance of
rain. 
.fri...sw winds 15 to 20 kt. seas 2 to 3 ft. 
.fri night...s winds 25 to 30 kt. seas 3 to 5 ft. a chance of
rain.  

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 090806
cwfbox
expires:202603092100;;887716

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
406 am edt mon mar 9 2026

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


anz234-092100-
buzzards bay-
406 am edt mon mar 9 2026

.today...sw winds 5 to 10 kt. seas around 2 ft. wave detail: sw
2 ft at 7 seconds and sw 1 foot at 3 seconds. patchy fog this
morning with vsby 1 nm or less. 
.tonight...sw winds 5 to 10 kt. seas around 2 ft. wave detail: s
2 ft at 6 seconds and sw 1 foot at 3 seconds. patchy fog. vsby
1 nm or less. 
.tue...sw winds 5 to 10 kt. seas around 2 ft. wave detail: s 2 ft
at 7 seconds and sw 1 foot at 3 seconds. patchy fog in the
morning with vsby 1 nm or less. 
.tue night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
s 2 ft at 7 seconds and sw 1 foot at 3 seconds. 
.wed...s winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas around 2 ft. wave detail: sw
2 ft at 4 seconds and se 1 foot at 8 seconds. 
.wed night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
2 to 4 ft, building to 4 to 6 ft after midnight. wave detail: sw
4 ft at 5 seconds and e 1 foot at 8 seconds, becoming sw 5 ft at
5 seconds and e 1 foot at 8 seconds. a chance of rain after
midnight. 
.thu...w winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. rain likely. 
.thu night...nw winds 20 to 25 kt. seas 4 to 6 ft. a chance of
rain. 
.fri...sw winds 15 to 20 kt. seas 2 to 3 ft. 
.fri night...s winds 25 to 30 kt. seas 3 to 5 ft. a chance of
rain.  

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 090806
cwfbox
expires:202603092100;;887717

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
406 am edt mon mar 9 2026

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


anz235-092100-
rhode island sound-
406 am edt mon mar 9 2026

.today...sw winds 5 to 10 kt. seas 3 to 4 ft. wave detail: s 4 ft
at 8 seconds and e 1 foot at 9 seconds. patchy fog. vsby 1 nm or
less. 
.tonight...sw winds 10 to 15 kt. seas 2 to 4 ft. wave detail: s
3 ft at 7 seconds and sw 1 foot at 3 seconds. patchy fog. vsby
1 nm or less. 
.tue...sw winds around 10 kt. seas 2 to 3 ft. wave detail: s 3 ft
at 7 seconds and w 1 foot at 3 seconds. patchy fog in the morning
with vsby 1 nm or less. 
.tue night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s
3 ft at 7 seconds and se 1 foot at 8 seconds. patchy fog in the
evening with vsby 1 nm or less. 
.wed...s winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: s 3 ft
at 7 seconds and se 1 foot at 8 seconds. 
.wed night...s winds 20 to 25 kt, becoming sw 25 to 30 kt after
midnight. seas 4 to 6 ft, building to 5 to 8 ft after midnight.
wave detail: se 6 ft at 7 seconds, becoming s 8 ft at 7 seconds
and sw 1 foot at 4 seconds. a chance of rain after midnight. 
.thu...w winds 25 to 30 kt. seas 7 to 10 ft. rain likely. 
.thu night...nw winds 20 to 25 kt. seas 5 to 7 ft. a chance of
rain. 
.fri...sw winds 15 to 20 kt. seas 2 to 4 ft. 
.fri night...s winds 25 to 30 kt. seas 4 to 6 ft. a chance of
rain.  

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 090806
cwfbox
expires:202603092100;;887720

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
406 am edt mon mar 9 2026

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


anz236-092100-
narragansett bay-
406 am edt mon mar 9 2026

.today...s winds 5 to 10 kt. waves 2 to 3 ft. patchy dense fog
this morning with vsby 1 nm or less. 
.tonight...sw winds 5 to 10 kt. waves 2 to 3 ft. patchy fog. vsby
1 nm or less. 
.tue...sw winds 5 to 10 kt. waves around 2 ft. patchy fog in the
morning with vsby 1 nm or less. 
.tue night...sw winds 5 to 10 kt. waves around 2 ft. 
.wed...s winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. waves around 2 ft. 
.wed night...s winds 15 to 20 kt, becoming sw 20 to 25 kt after
midnight. gusts up to 30 kt. waves 3 to 5 ft. a chance of rain. 
.thu...w winds 20 to 25 kt with gusts up to 30 kt. waves 4 to
6 ft. rain likely. 
.thu night...nw winds 15 to 20 kt with gusts up to 25 kt. waves
2 to 3 ft, except 4 to 6 ft at the bay entrance. a chance of rain
and snow. 
.fri...sw winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
3 ft. 
.fri night...s winds 20 to 25 kt with gusts up to 30 kt. waves
3 to 5 ft. a chance of rain.  

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 090806
cwfbox
expires:202603092100;;887708

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
406 am edt mon mar 9 2026

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


anz250-092100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
406 am edt mon mar 9 2026

.today...sw winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
4 ft. wave detail: s 3 ft at 7 seconds and e 3 ft at 9 seconds.
patchy fog this morning with vsby 1 nm or less. 
.tonight...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 e 2 ft at 9 seconds. 
.tue...sw winds around 10 kt. seas 2 to 3 ft. wave detail: w 2 ft
at 3 seconds and s 2 ft at 6 seconds. 
.tue night...sw winds 10 to 15 kt. seas 2 to 3 ft. wave detail: s
2 ft at 7 seconds and e 2 ft at 8 seconds. 
.wed...se winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: se 3 ft at 4 seconds and e 2 ft at 9 seconds. 
.wed night...s winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. gusts up to 30 kt. seas 3 to 5 ft, building to 5 to
7 ft after midnight. wave detail: s 4 ft at 5 seconds and e 2 ft
at 7 seconds, becoming sw 6 ft at 5 seconds and ne 2 ft at
7 seconds. a chance of rain. 
.thu...sw winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. rain likely. 
.thu night...nw winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 7 ft. a chance of rain and snow. 
.fri...sw winds 20 to 25 kt. seas 3 to 5 ft. 
.fri night...s winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 ft. rain likely with a chance of snow.  

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 090806
cwfbox
expires:202603092100;;887711

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
406 am edt mon mar 9 2026

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


anz254-092100-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
406 am edt mon mar 9 2026

...small craft advisory in effect until 10 am edt this morning...

.today...sw winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt this afternoon. seas 3 to 5 ft. wave detail: s
3 ft at 8 seconds and e 3 ft at 9 seconds. patchy fog. vsby 1 nm
or less. 
.tonight...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: s 3 ft at 7 seconds and e 2 ft at 9 seconds.
patchy fog. vsby 1 nm or less. 
.tue...sw winds around 10 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: s 3 ft at 7 seconds and e 2 ft at
9 seconds. patchy fog. vsby 1 nm or less. 
.tue night...sw winds around 10 kt. seas 2 to 3 ft. wave detail:
s 2 ft at 7 seconds and e 2 ft at 8 seconds. patchy fog in the
evening with vsby 1 nm or less. 
.wed...s winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: s 3 ft at 5 seconds and w 1 foot at
3 seconds. 
.wed night...s winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft, building to 5 to 7 ft after midnight. wave detail: sw
5 ft at 4 seconds and e 1 foot at 9 seconds, becoming s 7 ft at
7 seconds and sw 1 foot at 4 seconds. 
.thu...sw winds 20 to 25 kt with gusts up to 30 kt. seas 6 to
9 ft. rain likely. 
.thu night...nw winds 20 to 25 kt with gusts up to 30 kt. seas
6 to 9 ft. a chance of rain and snow. 
.fri...w winds 20 to 25 kt. seas 4 to 6 ft. 
.fri night...s winds 25 to 30 kt. seas 4 to 6 ft. a chance of
rain.  

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 090806
cwfbox
expires:202603092100;;887712

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
406 am edt mon mar 9 2026

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


anz255-092100-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
406 am edt mon mar 9 2026

...small craft advisory in effect until 10 am edt this morning...

.today...sw winds 5 to 10 kt. seas 3 to 5 ft. wave detail: s 4 ft
at 7 seconds and e 2 ft at 9 seconds. patchy fog. vsby 1 nm or
less. 
.tonight...sw winds around 10 kt. seas 3 to 4 ft. wave detail: s
3 ft at 7 seconds and e 2 ft at 9 seconds. patchy fog. vsby 1 nm
or less. 
.tue...sw winds around 10 kt. seas 2 to 3 ft. wave detail: s 3 ft
at 7 seconds and e 1 foot at 9 seconds. patchy fog. vsby 1 nm or
less. 
.tue night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: sw
3 ft at 7 seconds and e 1 foot at 8 seconds. patchy fog in the
evening with vsby 1 nm or less. 
.wed...s winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. seas 2 to 4 ft. wave detail: se 4 ft at 7 seconds. 
.wed night...s winds 20 to 25 kt, increasing to 25 to 30 kt after
midnight. seas 4 to 6 ft, building to 7 to 10 ft after midnight.
wave detail: s 6 ft at 6 seconds and e 1 foot at 9 seconds,
becoming s 10 ft at 7 seconds and sw 1 foot at 4 seconds. 
.thu...sw winds 25 to 30 kt with gusts up to 35 kt. seas 9 to
12 ft. rain likely. 
.thu night...nw winds 25 to 30 kt. seas 7 to 10 ft. a chance of
rain and snow. 
.fri...w winds 20 to 25 kt. seas 4 to 6 ft. 
.fri night...s winds 25 to 30 kt with gusts up to 35 kt. seas
4 to 6 ft. a chance of rain.  

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.

$$