fzus51 kbox 270503
cwfbox
expires:202609271800;;120062

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt sun sep 27 2026

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


anz235-271800-
rhode island sound-
103 am edt sun sep 27 2026

...storm warning in effect until 10 am edt this morning...

.rest of tonight...ne winds 25 to 30 kt with gusts up to 45 kt.
seas 6 to 9 ft. wave detail: ne 9 ft at 8 seconds and sw 1 foot
at 10 seconds. showers.
.sun...e winds 25 to 30 kt, diminishing to 15 to 20 kt in the
afternoon. seas 6 to 9 ft. wave detail: ne 9 ft at 9 seconds and
s 6 ft at 12 seconds. a chance of showers in the morning. showers
likely in the afternoon. 
.sun night...e winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. seas 4 to 6 ft. wave detail:
ne 6 ft at 7 seconds and s 5 ft at 8 seconds. showers.
.mon...e winds 10 to 15 kt. seas 3 to 4 ft. wave detail: se 4 ft
at 7 seconds and e 3 ft at 8 seconds. showers likely. 
.mon night...se winds 10 to 15 kt, becoming sw after midnight.
seas 3 to 4 ft. wave detail: se 4 ft at 7 seconds and e 2 ft at
11 seconds. showers likely in the evening. 
.tue and tue night...nw winds 10 to 15 kt. seas 2 to 4 ft. wave
detail: sw 4 ft at 7 seconds and e 1 foot at 10 seconds. 
.wed through thu night...sw 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 270503
cwfbox
expires:202609271800;;120065

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt sun sep 27 2026

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


anz236-271800-
narragansett bay-
103 am edt sun sep 27 2026

...storm warning in effect until 10 am edt this morning...

.rest of tonight...ne winds 25 to 30 kt with gusts up to 40 kt.
waves around 3 ft, except 4 to 6 ft at the bay entrance. showers.
.sun...e winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. gusts up to 30 kt. waves around 3 ft, except 4 to 6 ft
at the bay entrance. showers likely. 
.sun night...ne winds 10 to 15 kt with gusts up to 25 kt. waves
2 to 3 ft. showers.
.mon...ne winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
waves 2 to 3 ft. showers.
.mon night...e winds 10 to 15 kt, becoming sw after midnight.
waves 2 to 3 ft. showers likely, mainly in the evening. 
.tue and tue night...nw winds 5 to 10 kt. waves 2 to 3 ft. 
.wed through thu night...sw winds 5 to 10 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 270503
cwfbox
expires:202609271800;;120063

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt sun sep 27 2026

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


anz237-271800-
block island sound-
103 am edt sun sep 27 2026

...storm warning in effect until 10 am edt this morning...

.rest of tonight...ne winds 25 to 35 kt with gusts up to 50 kt.
seas 7 to 10 ft. wave detail: ne 9 ft at 8 seconds and sw 1 foot
at 10 seconds. showers.
.sun...e winds 25 to 30 kt with gusts up to 40 kt, diminishing to
15 to 20 kt with gusts up to 30 kt in the afternoon. seas 6 to
9 ft. wave detail: s 9 ft at 8 seconds and e 9 ft at 8 seconds.
showers likely. 
.sun night...e winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. seas 4 to 6 ft. wave detail: e
6 ft at 8 seconds and s 4 ft at 8 seconds. showers.
.mon...e winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
5 ft. wave detail: se 4 ft at 7 seconds and e 3 ft at 9 seconds.
showers.
.mon night...se winds 10 to 15 kt with gusts up to 20 kt,
becoming sw after midnight. seas 3 to 4 ft. wave detail: s 3 ft
at 7 seconds and e 2 ft at 9 seconds. showers likely in the
evening. 
.tue and tue night...nw winds 5 to 10 kt. seas 2 to 4 ft. wave
detail: w 3 ft at 6 seconds and e 2 ft at 9 seconds. 
.wed through thu night...sw winds 5 to 10 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 270503
cwfbox
expires:202609271800;;120057

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt sun sep 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-
103 am edt sun sep 27 2026

...storm warning in effect until 10 am edt this morning...

.rest of tonight...e winds 25 to 30 kt with gusts up to 35 kt.
seas 8 to 11 ft. wave detail: e 11 ft at 10 seconds and se 4 ft
at 11 seconds. showers likely. 
.sun...e winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. gusts up to 30 kt. seas 8 to 11 ft, subsiding to 6 to
9 ft in the afternoon. wave detail: e 11 ft at 10 seconds and sw
6 ft at 14 seconds, becoming e 9 ft at 9 seconds and s 7 ft at
9 seconds. a chance of showers. 
.sun night...e winds 10 to 15 kt with gusts up to 25 kt. seas
5 to 7 ft. wave detail: s 6 ft at 8 seconds and e 5 ft at
9 seconds. showers likely, mainly in the evening. 
.mon...se winds 5 to 10 kt. seas 4 to 6 ft. wave detail: sw 4 ft
at 7 seconds and e 4 ft at 9 seconds. a chance of showers. 
.mon night...s winds 5 to 10 kt, becoming sw after midnight. seas
4 to 6 ft. wave detail: sw 4 ft at 7 seconds and e 4 ft at
9 seconds. a chance of showers. 
.tue...w winds 10 to 15 kt, becoming nw in the afternoon. seas
4 to 6 ft. wave detail: sw 4 ft at 7 seconds and e 3 ft at
8 seconds. 
.tue night...nw winds 5 to 10 kt. seas 2 to 4 ft.
.wed through thu night...sw winds 10 to 15 kt. seas 2 to 4 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.

$$