fzus51 kbox 201403
cwfbox
expires:202608210300;;052227

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt thu aug 20 2026

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


anz235-210300-
rhode island sound-
1003 am edt thu aug 20 2026

.this afternoon...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: s 2 ft at 6 seconds. 
.tonight...nw winds 5 to 10 kt, becoming ne 10 to 15 kt after
midnight. seas around 2 ft. wave detail: se 2 ft at 8 seconds and
sw 1 foot at 3 seconds. showers likely. patchy fog after
midnight. 
.fri...ne winds 10 to 15 kt. gusts up to 20 kt in the morning.
seas around 2 ft. wave detail: ne 2 ft at 5 seconds and s 1 foot
at 4 seconds. a chance of showers. 
.fri night...ne winds 10 to 15 kt. seas around 2 ft. wave detail:
ne 2 ft at 5 seconds and s 1 foot at 5 seconds. a chance of
showers in the evening, then showers likely after midnight.
patchy fog after midnight. 
.sat...e winds 10 to 15 kt. seas 2 to 3 ft. wave detail: ne 3 ft
at 5 seconds and sw 1 foot at 5 seconds. showers. patchy fog in
the morning. vsby 1 to 3 nm. 
.sat night...e winds around 10 kt, becoming se after midnight.
seas 2 to 3 ft. wave detail: s 3 ft at 6 seconds and se 3 ft at
10 seconds. showers likely. 
.sun...s winds 5 to 10 kt. seas 2 to 3 ft. a chance of showers. 
.sun night through mon night...w winds 10 to 15 kt with gusts up
to 20 kt. 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 201403
cwfbox
expires:202608210300;;052230

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt thu aug 20 2026

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


anz236-210300-
narragansett bay-
1003 am edt thu aug 20 2026

.this afternoon...w winds around 5 kt, becoming s. waves 1 foot
or less. 
.tonight...nw winds 5 to 10 kt, becoming ne after midnight. waves
1 foot or less. showers likely. patchy fog after midnight. 
.fri...ne winds 10 to 15 kt. waves 1 foot or less, then around
2 ft in the afternoon. a chance of showers. patchy fog in the
morning. 
.fri night...ne winds 5 to 10 kt. waves around 2 ft. a chance of
showers in the evening, then showers likely after midnight.
patchy fog after midnight. 
.sat...ne winds 5 to 10 kt. waves around 2 ft. showers. patchy
fog in the morning. vsby 1 to 3 nm. 
.sat night...ne winds 5 to 10 kt. waves around 2 ft. showers.
.sun...s winds 5 to 10 kt. waves around 2 ft. a chance of
showers. 
.sun night through mon night...w winds 10 to 15 kt with gusts up
to 20 kt. waves around 2 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 201403
cwfbox
expires:202608210300;;052228

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt thu aug 20 2026

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


anz237-210300-
block island sound-
1003 am edt thu aug 20 2026

.this afternoon...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: se 2 ft at 7 seconds and sw 1 foot at 4 seconds. 
.tonight...nw winds 5 to 10 kt, becoming ne after midnight. seas
around 2 ft. wave detail: se 2 ft at 8 seconds and w 1 foot at
3 seconds. showers likely. patchy fog after midnight. 
.fri...ne winds 10 to 15 kt. gusts up to 20 kt in the morning.
seas around 2 ft. wave detail: ne 2 ft at 5 seconds and s 1 foot
at 5 seconds. a chance of showers. patchy fog in the morning. 
.fri night...ne winds around 10 kt. seas around 2 ft. wave
detail: e 2 ft at 5 seconds and sw 1 foot at 5 seconds. a chance
of showers in the evening, then showers likely after midnight.
patchy fog after midnight. 
.sat...ne winds 10 to 15 kt. seas 2 to 3 ft. wave detail: e 3 ft
at 5 seconds and sw 1 foot at 5 seconds. showers. patchy fog in
the morning. vsby 1 to 3 nm. 
.sat night...ne winds 5 to 10 kt, becoming se after midnight.
seas 2 to 3 ft. wave detail: se 3 ft at 6 seconds. showers.
.sun...s winds 5 to 10 kt. seas 2 to 3 ft. a chance of showers. 
.sun night through mon night...w winds 10 to 15 kt. 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 201403
cwfbox
expires:202608210300;;052222

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt thu aug 20 2026

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


anz255-210300-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1003 am edt thu aug 20 2026

.this afternoon...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: se 2 ft at 8 seconds and sw 1 foot at 4 seconds. patchy
fog with vsby 1 to 3 nm. 
.tonight...w winds 5 to 10 kt, becoming ne after midnight. seas
around 2 ft. wave detail: se 2 ft at 8 seconds and sw 1 foot at
3 seconds. patchy fog. a chance of showers after midnight. vsby
1 nm or less. 
.fri...e winds 10 to 15 kt. gusts up to 20 kt in the morning.
seas around 2 ft. wave detail: e 2 ft at 6 seconds and sw 1 foot
at 3 seconds. a chance of showers. patchy fog in the morning with
vsby 1 nm or less. 
.fri night...e winds 10 to 15 kt. seas 2 to 3 ft. wave detail: se
3 ft at 5 seconds. patchy fog. a chance of showers in the
evening. showers likely after midnight. 
.sat...se winds 10 to 15 kt. seas 2 to 3 ft. wave detail: se 3 ft
at 5 seconds. showers. patchy fog in the morning. 
.sat night...s winds around 10 kt. seas 2 to 4 ft. wave detail:
se 3 ft at 7 seconds. showers.
.sun...s winds around 10 kt. seas 3 to 4 ft. showers likely. 
.sun night...sw winds around 10 kt. seas 2 to 3 ft. a chance of
showers. 
.mon and mon night...w winds 10 to 15 kt with gusts up to 20 kt.
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.

$$