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;;673184

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


anz237-271800-
block island sound-
104 am edt mon jul 27 2026

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

$$