fzus51 kbox 310804
cwfbox
expires:202608312100;;653836

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt mon aug 31 2026

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


anz235-312100-
rhode island sound-
404 am edt mon aug 31 2026

.today...ne winds 5 to 10 kt, becoming se this afternoon. seas
around 2 ft. wave detail: sw 2 ft at 5 seconds and n 1 foot at
2 seconds. 
.tonight...s winds 5 to 10 kt. seas around 2 ft. wave detail: s
1 foot at 4 seconds and se 1 foot at 8 seconds. patchy fog after
midnight. showers likely after midnight. 
.tue...se winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas around 2 ft. wave detail: s 2 ft at 4 seconds and se 1 foot
at 8 seconds. patchy fog. showers likely. 
.tue night...e winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: se 3 ft at 5 seconds and se 1 foot at
9 seconds. a chance of showers.
.wed...e winds 10 to 15 kt. seas 2 to 3 ft. wave detail: e 3 ft
at 5 seconds and se 3 ft at 11 seconds. a chance of showers in
the afternoon. 
.wed night...se winds 10 to 15 kt. seas 2 to 3 ft. wave detail:
se 3 ft at 8 seconds and e 1 foot at 4 seconds. a chance of
showers in the evening, then showers likely with a chance of
tstms after midnight. 
.thu and thu night...sw winds 10 to 15 kt, becoming w 5 to 10 kt.
seas 2 to 3 ft. a chance of showers and tstms. 
.fri and fri night...nw winds 5 to 10 kt, increasing to 10 to
15 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 310804
cwfbox
expires:202608312100;;653839

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt mon aug 31 2026

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


anz236-312100-
narragansett bay-
404 am edt mon aug 31 2026

.today...n winds 5 to 10 kt, becoming se this afternoon. waves
around 2 ft this morning, then 1 foot or less.
.tonight...s winds 5 to 10 kt. waves 1 foot or less. patchy fog
after midnight. showers likely after midnight. 
.tue...se winds 5 to 10 kt, becoming e 10 to 15 kt with gusts up
to 20 kt in the afternoon. waves around 2 ft. patchy fog. showers
likely in the morning. a chance of showers in the afternoon. 
.tue night...e winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. waves around 2 ft. a
chance of showers. 
.wed...e winds 5 to 10 kt. waves around 2 ft. a chance of showers
in the afternoon. 
.wed night...se winds 5 to 10 kt. waves around 2 ft. a chance of
showers in the evening, then showers with a chance of tstms after
midnight. 
.thu...sw winds 5 to 10 kt. waves around 2 ft. showers with a
chance of tstms. 
.thu night...w winds 5 to 10 kt. waves around 2 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 310804
cwfbox
expires:202608312100;;653837

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt mon aug 31 2026

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


anz237-312100-
block island sound-
404 am edt mon aug 31 2026

.today...ne winds 5 to 10 kt, becoming se this afternoon. seas
around 2 ft. wave detail: sw 2 ft at 5 seconds and ne 1 foot at
2 seconds. 
.tonight...s winds 5 to 10 kt. seas around 2 ft. wave detail: e
1 foot at 3 seconds and s 1 foot at 5 seconds. patchy fog after
midnight. showers likely after midnight. 
.tue...se winds 5 to 10 kt, becoming e 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas around 2 ft. wave detail: s 2 ft
at 4 seconds and se 1 foot at 8 seconds. patchy fog. showers
likely in the morning. a chance of showers in the afternoon. 
.tue night...e winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: se 3 ft at 4 seconds and se 1 foot at
8 seconds. a chance of showers.
.wed...e winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: e 3 ft at 5 seconds and se 3 ft at 11 seconds.
a chance of showers in the afternoon. 
.wed night...se winds 5 to 10 kt, becoming s after midnight. seas
2 to 3 ft. wave detail: se 3 ft at 8 seconds and e 2 ft at
5 seconds. a chance of showers in the evening. showers likely
after midnight. 
.thu and thu night...sw winds around 10 kt, becoming w. 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 310804
cwfbox
expires:202608312100;;653831

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt mon aug 31 2026

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


anz255-312100-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
404 am edt mon aug 31 2026

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

$$