fzus51 kbox 270805
cwfbox
expires:202607272100;;682226

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt mon jul 27 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz231-272100-
cape cod bay-
404 am edt mon jul 27 2026

.today...ne winds around 5 kt. seas around 2 ft. wave detail: ne
2 ft at 8 seconds and n 1 foot at 4 seconds. 
.tonight...se winds around 5 kt, becoming sw after midnight. seas
around 2 ft. wave detail: e 2 ft at 5 seconds and e 1 foot at
11 seconds. 
.tue...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: s
2 ft at 8 seconds and s 1 foot at 2 seconds. 
.tue night...se winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 3 ft. wave detail: s 1 foot at 2 seconds and
e 1 foot at 5 seconds. scattered showers after midnight. 
.wed...e 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 3 seconds.
patchy fog. showers.
.wed night...e winds 10 to 15 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. seas 2 to 3 ft. wave
detail: e 2 ft at 4 seconds and se 2 ft at 5 seconds. showers
with a chance of tstms. 
.thu...ne winds 5 to 10 kt with gusts up to 20 kt. seas 2 to
4 ft. showers likely with a chance of tstms. 
.thu night...n winds 5 to 10 kt. seas 2 to 3 ft. a chance of
showers and tstms. 
.fri and fri night...n winds 5 to 10 kt, becoming nw. seas 2 to
3 ft.  

winds and seas higher in and near tstms.

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 270805
cwfbox
expires:202607272100;;682230

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt mon jul 27 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz232-272100-
nantucket sound-
404 am edt mon jul 27 2026

.today...ne winds 5 to 10 kt. seas around 2 ft. wave detail: nw
1 foot at 6 seconds and ne 1 foot at 6 seconds. 
.tonight...se winds 5 to 10 kt, becoming sw after midnight. seas
around 2 ft. wave detail: s 1 foot at 3 seconds and se 1 foot at
7 seconds. 
.tue...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: s
2 ft at 3 seconds and e 2 ft at 10 seconds. 
.tue night...se winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. gusts up to 25 kt. seas 2 to 3 ft. wave detail:
se 2 ft at 4 seconds and se 1 foot at 8 seconds. scattered
showers after midnight. 
.wed...e winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: e 4 ft at 5 seconds and s 1 foot at 5 seconds.
patchy fog. showers.
.wed night...se winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. seas 2 to 4 ft. wave detail: e 4 ft at 5 seconds
and sw 1 foot at 7 seconds. a chance of tstms. showers in the
evening, then a chance of showers after midnight. 
.thu...se winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. a chance of showers and tstms. 
.thu night...nw winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. a chance of showers. 
.fri and fri night...n winds 10 to 15 kt, becoming nw 5 to 10 kt.
seas 2 to 3 ft.  

winds and seas higher in and near tstms.

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 270805
cwfbox
expires:202607272100;;682231

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt mon jul 27 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz233-272100-
vineyard sound-
404 am edt mon jul 27 2026

.today...n winds around 5 kt, becoming e this afternoon. seas
around 2 ft. wave detail: ne 1 foot at 3 seconds and nw 1 foot at
6 seconds. 
.tonight...s winds 5 to 10 kt. seas around 2 ft. wave detail: sw
1 foot at 3 seconds and se 1 foot at 7 seconds. 
.tue...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: s
2 ft at 3 seconds and e 2 ft at 7 seconds. 
.tue night...se winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. gusts up to 25 kt. seas 2 to 3 ft. wave detail: s
3 ft at 5 seconds and ne 1 foot at 10 seconds. scattered showers
after midnight. 
.wed...se winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: s 4 ft at 7 seconds and e 3 ft at 4 seconds.
patchy fog. showers. vsby 1 to 3 nm. 
.wed night...e winds 15 to 20 kt, becoming se around 10 kt after
midnight. seas 2 to 4 ft. wave detail: e 3 ft at 4 seconds and sw
2 ft at 7 seconds. showers likely with a chance of tstms. 
.thu...ne winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. showers likely with a chance of tstms. 
.thu night...n winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. a chance of showers and tstms. 
.fri and fri night...nw winds 5 to 10 kt. seas 2 to 3 ft.  

winds and seas higher in and near tstms.

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 270805
cwfbox
expires:202607272100;;682232

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt mon jul 27 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz234-272100-
buzzards bay-
404 am edt mon jul 27 2026

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

winds and seas higher in and near tstms.

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 270805
cwfbox
expires:202607272100;;682233

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt mon jul 27 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz235-272100-
rhode island sound-
404 am edt mon jul 27 2026

.today...n winds around 5 kt, becoming se this afternoon. seas
around 2 ft. wave detail: se 2 ft at 7 seconds and n 1 foot at
4 seconds. 
.tonight...s winds around 10 kt. seas 2 to 3 ft. wave detail: se
2 ft at 7 seconds and sw 1 foot at 2 seconds. patchy fog after
midnight with vsby 1 to 3 nm. 
.tue...s winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: se 3 ft at 7 seconds and s 2 ft at
3 seconds. 
.tue night...se winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: s 4 ft at 5 seconds. patchy fog.
scattered showers. a chance of tstms in the evening with vsby
1 to 3 nm. 
.wed...se winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: s 5 ft at 7 seconds and se 1 foot at
10 seconds. patchy fog. widespread showers. vsby 1 to 3 nm. 
.wed night...e winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. seas 3 to 5 ft. wave detail: s 5 ft at 7 seconds
and se 1 foot at 10 seconds. showers likely with a chance of
tstms. 
.thu...ne winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
5 ft. showers likely with a chance of tstms. 
.thu night...n winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 4 ft. a chance of showers and tstms. 
.fri and fri night...nw winds 10 to 15 kt, becoming w 5 to 10 kt.
seas 2 to 3 ft.  

winds and seas higher in and near tstms.

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 270805
cwfbox
expires:202607272100;;682236

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt mon jul 27 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz236-272100-
narragansett bay-
404 am edt mon jul 27 2026

.today...n winds around 5 kt, becoming s this afternoon. waves
around 2 ft. 
.tonight...s winds 5 to 10 kt. waves around 2 ft. patchy fog
after midnight with vsby 1 to 3 nm. 
.tue...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. 
.tue night...se winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. gusts up to 25 kt. waves 2 to 3 ft. scattered
showers in the evening, then numerous showers after midnight.
patchy fog after midnight. 
.wed...e winds 15 to 20 kt with gusts up to 30 kt. waves 2 to
4 ft. patchy fog. showers. vsby 1 to 3 nm. 
.wed night...e winds 10 to 15 kt. gusts up to 20 kt in the
evening. waves 2 to 3 ft. showers likely with a chance of tstms. 
.thu...ne winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
3 ft. showers likely with a chance of tstms. 
.thu night...n winds 10 to 15 kt. waves 2 to 3 ft. a chance of
showers and tstms. 
.fri and fri night...nw winds 5 to 10 kt. waves around 2 ft.  

winds and waves higher in and near tstms.

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 270805
cwfbox
expires:202607272100;;682224

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt mon jul 27 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz250-272100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
404 am edt mon jul 27 2026

.today...ne winds around 5 kt. seas 2 to 3 ft. wave detail: e
3 ft at 7 seconds. 
.tonight...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e
3 ft at 7 seconds and s 1 foot at 3 seconds. 
.tue...s winds 5 to 10 kt, becoming se 10 to 15 kt with gusts up
to 25 kt in the afternoon. seas 2 to 4 ft. wave detail: e 3 ft at
8 seconds and s 2 ft at 3 seconds. 
.tue night...se winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 4 ft. wave detail: s 2 ft at 3 seconds and e 2 ft at
6 seconds. 
.wed...e winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: e 4 ft at 5 seconds and se 2 ft at 9 seconds.
patchy fog. scattered showers in the morning. showers in the
afternoon with vsby 1 to 3 nm. 
.wed night...e winds 10 to 15 kt with gusts up to 25 kt. seas
3 to 4 ft. wave detail: e 4 ft at 6 seconds and se 2 ft at
10 seconds. showers. a chance of tstms in the evening. 
.thu...ne winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
5 ft. showers likely with a chance of tstms. 
.thu night...n winds around 10 kt. seas 4 to 6 ft. a chance of
showers and tstms. 
.fri...n winds 5 to 10 kt. seas 3 to 5 ft. 
.fri night...nw winds around 5 kt. seas 2 to 4 ft. 

winds and seas higher in and near tstms.

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 270805
cwfbox
expires:202607272100;;682227

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt mon jul 27 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz254-272100-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
404 am edt mon jul 27 2026

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

winds and seas higher in and near tstms.

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 270805
cwfbox
expires:202607272100;;682228

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt mon jul 27 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz255-272100-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
404 am edt mon jul 27 2026

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

winds and seas higher in and near tstms.

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.

$$