fzus51 kbox 270504
cwfbox
expires:202607271800;;673176

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

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


anz231-271800-
cape cod bay-
104 am edt mon jul 27 2026

.rest of tonight...ne winds around 5 kt. seas around 2 ft. wave
detail: ne 2 ft at 8 seconds and ne 1 foot at 3 seconds. 
.mon...ne winds around 5 kt. seas around 2 ft. wave detail: ne
2 ft at 8 seconds and n 1 foot at 4 seconds. 
.mon night...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 and wed night...e winds 15 to 20 kt with gusts up to 30 kt.
seas 2 to 3 ft. wave detail: se 3 ft at 4 seconds and e 2 ft at
3 seconds. showers. a chance of tstms through the night. patchy
fog. vsby 1 to 3 nm. 
.thu...ne winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
4 ft. showers likely. 
.thu night...n 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 5 to 10 kt, becoming sw. 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 270504
cwfbox
expires:202607271800;;673180

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

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


anz232-271800-
nantucket sound-
104 am edt mon jul 27 2026

.rest of tonight...n winds 5 to 10 kt. seas around 2 ft. wave
detail: ne 2 ft at 6 seconds and nw 1 foot at 6 seconds. 
.mon...ne winds 5 to 10 kt. seas around 2 ft. wave detail: ne
1 foot at 6 seconds and nw 1 foot at 6 seconds. 
.mon night...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 and wed night...e winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: e 4 ft at 5 seconds and s 1 foot at
5 seconds. widespread showers. patchy fog. vsby 1 to 3 nm. 
.thu and thu night...ne winds around 15 kt, becoming n. gusts up
to 20 kt. seas 2 to 4 ft. a chance of showers. 
.fri and fri night...n winds 5 to 10 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 270504
cwfbox
expires:202607271800;;673181

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

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


anz233-271800-
vineyard sound-
104 am edt mon jul 27 2026

.rest of tonight...n winds around 5 kt. seas around 2 ft. wave
detail: ne 1 foot at 3 seconds and w 1 foot at 5 seconds. 
.mon...n winds around 5 kt, becoming e in the afternoon. seas
around 2 ft. wave detail: ne 1 foot at 3 seconds and nw 1 foot at
6 seconds. 
.mon night...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 and wed night...ne winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: s 4 ft at 7 seconds and e 3 ft at
4 seconds. widespread showers. patchy fog. vsby 1 to 3 nm. 
.thu and thu night...ne winds 15 to 20 kt, becoming n 10 to
15 kt. gusts up to 25 kt. seas 2 to 4 ft. a chance of showers. 
.fri and fri night...nw winds around 10 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 270504
cwfbox
expires:202607271800;;673182

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

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


anz234-271800-
buzzards bay-
104 am edt mon jul 27 2026

.rest of tonight...n winds around 5 kt. seas 1 foot or less. wave
detail: ne 1 foot at 2 seconds and w 1 foot at 6 seconds. 
.mon...n winds around 5 kt, becoming e in the afternoon. seas
1 foot or less. wave detail: ne 1 foot at 2 seconds and nw 1 foot
at 6 seconds. 
.mon night...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 and wed night...ne winds 20 to 25 kt with gusts up to 30 kt.
seas 2 to 3 ft. wave detail: e 3 ft at 3 seconds and s 3 ft at
6 seconds. widespread showers. patchy fog. vsby 1 to 3 nm. 
.thu...ne winds 15 to 20 kt with gusts up to 25 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, becoming w. 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 270504
cwfbox
expires:202607271800;;673183

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

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


anz235-271800-
rhode island sound-
104 am edt mon jul 27 2026

.rest of tonight...n winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: se 2 ft at 7 seconds and ne 1 foot at 4 seconds. 
.mon...n winds around 5 kt, becoming se in the afternoon. seas
around 2 ft. wave detail: se 2 ft at 7 seconds and n 1 foot at
4 seconds. 
.mon night...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 and wed night...ne 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. widespread showers. patchy fog. vsby 1 to 3 nm. 
.thu...ne winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. a chance of showers and 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 around 10 kt, becoming w. 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 270504
cwfbox
expires:202607271800;;673186

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

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


anz236-271800-
narragansett bay-
104 am edt mon jul 27 2026

.rest of tonight...n winds around 5 kt. waves around 2 ft. 
.mon...n winds around 5 kt, becoming s in the afternoon. waves
around 2 ft. 
.mon night...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 and wed night...ne winds 15 to 20 kt with gusts up to 30 kt.
waves 2 to 4 ft. widespread showers. patchy fog. vsby 1 to 3 nm. 
.thu...n winds 10 to 15 kt with gusts up to 25 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, becoming w. 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 270504
cwfbox
expires:202607271800;;673174

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

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


anz250-271800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 am edt mon jul 27 2026

.rest of tonight...ne winds around 5 kt. seas 2 to 3 ft. wave
detail: e 3 ft at 7 seconds. 
.mon...ne winds around 5 kt. seas 2 to 3 ft. wave detail: e 3 ft
at 7 seconds. 
.mon night...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, then showers in the
afternoon with vsby 1 to 3 nm. 
.wed night...e winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 4 ft. showers with a chance of tstms. patchy fog in the
evening. vsby 1 to 3 nm. 
.thu...ne winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. showers likely. 
.thu night...n winds 10 to 15 kt with gusts up to 20 kt. seas
4 to 6 ft. a chance of showers. 
.fri...n winds 5 to 10 kt. seas 3 to 5 ft. 
.fri night...sw 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 270504
cwfbox
expires:202607271800;;673177

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

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


anz254-271800-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
104 am edt mon jul 27 2026

.rest of tonight...ne winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 7 seconds and nw 1 foot at 3 seconds. 
.mon...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. 
.mon night...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 and wed night...e winds 15 to 20 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. scattered showers in the morning, then showers
likely. patchy fog in the morning. patchy fog through the night.
vsby 1 to 3 nm. 
.thu and thu night...ne winds 10 to 15 kt, becoming n. gusts up
to 20 kt. seas 4 to 6 ft. a chance of showers. 
.fri...n winds 5 to 10 kt. seas 4 to 6 ft. 
.fri night...w 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 270504
cwfbox
expires:202607271800;;673178

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

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


anz255-271800-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
104 am edt mon jul 27 2026

.rest of tonight...n winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: ne 2 ft at 6 seconds and se 2 ft at 7 seconds. 
.mon...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. 
.mon night...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 and wed night...e winds 15 to 20 kt with gusts up to 25 kt.
seas 4 to 5 ft. wave detail: se 5 ft at 6 seconds and nw 3 ft at
7 seconds. widespread showers. a chance of showers after
midnight. patchy fog. vsby 1 to 3 nm. 
.thu...ne winds 15 to 20 kt. seas 4 to 5 ft. a chance of showers.
.thu night...n winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 5 ft. a chance of showers. 
.fri and fri night...nw winds 10 to 15 kt, becoming w 5 to 10 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.

$$