fzus51 kbox 171103
cwfbox
expires:202609180000;;597436

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am edt thu sep 17 2026

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


anz235-180000-
rhode island sound-
703 am edt thu sep 17 2026

.today...sw winds 5 to 10 kt. seas around 2 ft. wave detail: sw
1 foot at 4 seconds and se 1 foot at 9 seconds. 
.tonight...sw winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and
se 1 foot at 9 seconds. a chance of showers after midnight. 
.fri...nw winds 10 to 15 kt with gusts up to 20 kt, becoming n
5 to 10 kt in the afternoon. seas 2 to 3 ft. wave detail: sw 3 ft
at 5 seconds and se 1 foot at 10 seconds. a chance of showers in
the morning. 
.fri night...n winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. seas 2 to 3 ft. wave detail: n 3 ft at 5 seconds and w
2 ft at 5 seconds. 
.sat...ne winds 10 to 15 kt with gusts up to 20 kt, becoming e
5 to 10 kt in the afternoon. seas 2 to 3 ft. wave detail: ne 3 ft
at 5 seconds and sw 1 foot at 5 seconds. 
.sat night...se winds 5 to 10 kt. seas around 2 ft. wave detail:
e 2 ft at 8 seconds and se 1 foot at 3 seconds. 
.sun and sun night...se winds 10 to 15 kt, increasing to 15 to
20 kt. seas 2 to 4 ft. showers.
.mon...ne winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. a chance of showers. 
.mon night...ne winds 15 to 20 kt with gusts up to 25 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.

$$

fzus51 kbox 171103
cwfbox
expires:202609180000;;597439

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am edt thu sep 17 2026

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


anz236-180000-
narragansett bay-
703 am edt thu sep 17 2026

.today...sw winds 5 to 10 kt. waves 1 foot or less, then around
2 ft this afternoon. 
.tonight...sw winds 5 to 10 kt. gusts up to 20 kt after midnight.
waves around 2 ft. a chance of showers after midnight. 
.fri...n winds 5 to 10 kt. waves around 2 ft. a chance of showers
in the morning. 
.fri night...n winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. waves around 2 ft. 
.sat...ne winds 5 to 10 kt, becoming e in the afternoon. waves
around 2 ft. 
.sat night...se winds around 5 kt. waves 1 foot or less. 
.sun and sun night...se winds 10 to 15 kt, becoming ne. gusts up
to 20 kt. waves 2 to 3 ft. showers.
.mon...ne winds 15 to 20 kt with gusts up to 25 kt. waves 2 to
3 ft. a chance of showers. 
.mon night...ne 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 171103
cwfbox
expires:202609180000;;597437

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am edt thu sep 17 2026

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


anz237-180000-
block island sound-
703 am edt thu sep 17 2026

.today...sw winds 5 to 10 kt. seas around 2 ft. wave detail: sw
1 foot at 3 seconds and se 1 foot at 9 seconds. 
.tonight...sw winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 3 ft. wave detail: sw 2 ft at 4 seconds and e
1 foot at 9 seconds. a chance of showers after midnight. 
.fri...nw winds 5 to 10 kt, becoming n in the afternoon. seas
2 to 3 ft. wave detail: w 2 ft at 5 seconds and e 1 foot at
9 seconds. 
.fri night...n winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: ne 2 ft at 9 seconds and sw 1 foot at
5 seconds. 
.sat and sat night...se winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: ne 2 ft at 5 seconds and sw 1 foot
at 5 seconds. 
.sun and sun night...se winds 10 to 15 kt, becoming w 15 to
20 kt. seas 2 to 4 ft. wave detail: s 4 ft at 7 seconds and se
2 ft at 9 seconds. showers.
.mon...ne winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. a chance of showers. 
.mon night...ne winds 15 to 20 kt with gusts up to 25 kt. seas
3 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.

$$

fzus51 kbox 171103
cwfbox
expires:202609180000;;597431

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am edt thu sep 17 2026

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


anz255-180000-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
703 am edt thu sep 17 2026

.today...s winds 5 to 10 kt. seas around 2 ft. wave detail: e
2 ft at 8 seconds and w 1 foot at 4 seconds. 
.tonight...sw winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and e
2 ft at 8 seconds. a chance of showers after midnight. 
.fri...w winds 10 to 15 kt, becoming n in the afternoon. gusts up
to 20 kt. seas 2 to 4 ft. wave detail: sw 3 ft at 5 seconds and e
2 ft at 8 seconds. patchy fog in the morning. a chance of showers
in the morning. 
.fri night...n winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. seas 2 to 4 ft. wave detail: n 3 ft at 5 seconds and sw
2 ft at 5 seconds. 
.sat...ne winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. seas 2 to 4 ft. wave detail: ne 3 ft at 5 seconds and
sw 1 foot at 5 seconds. 
.sat night...e winds 5 to 10 kt. seas 2 to 3 ft. wave detail: ne
2 ft at 7 seconds and nw 1 foot at 4 seconds. 
.sun...se winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. a chance of showers. 
.sun night...se winds 15 to 20 kt. seas 3 to 5 ft. showers
likely. 
.mon...ne winds 20 to 25 kt. seas 3 to 5 ft. a chance of showers.
.mon night...ne winds 20 to 25 kt. seas 3 to 5 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.

$$