fzus51 kbox 301104
cwfbox
expires:202605010000;;778644

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am edt thu apr 30 2026

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


anz235-010000-
rhode island sound-
704 am edt thu apr 30 2026

.today...s winds around 5 kt. seas 2 to 4 ft. wave detail: se
3 ft at 10 seconds and e 2 ft at 5 seconds. patchy fog. scattered
showers. vsby 1 nm or less. 
.tonight...w winds 5 to 10 kt. seas 2 to 4 ft. wave detail: se
3 ft at 10 seconds and w 2 ft at 3 seconds. patchy fog in the
evening with vsby 1 to 3 nm. 
.fri...w winds around 10 kt, becoming sw with gusts up to 20 kt
in the afternoon. seas 3 to 4 ft. wave detail: sw 3 ft at
4 seconds and se 3 ft at 10 seconds. 
.fri night...w winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas 2 to 4 ft. wave
detail: sw 3 ft at 4 seconds and se 3 ft at 10 seconds. 
.sat...w winds 5 to 10 kt, becoming s in the afternoon. seas 2 to
3 ft. wave detail: s 2 ft at 5 seconds and se 2 ft at 9 seconds.
a chance of rain in the afternoon. 
.sat night...s winds around 10 kt, becoming nw after midnight.
seas 2 to 3 ft. wave detail: s 2 ft at 4 seconds and se 2 ft at
9 seconds. a chance of rain in the evening, then rain likely
after midnight. 
.sun...nw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. a chance of rain. 
.sun night through mon night...sw winds 20 to 25 kt with gusts up
to 30 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 301104
cwfbox
expires:202605010000;;778647

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am edt thu apr 30 2026

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


anz236-010000-
narragansett bay-
704 am edt thu apr 30 2026

.today...s winds around 5 kt. waves around 2 ft. patchy fog.
scattered showers. vsby 1 to 3 nm. 
.tonight...sw winds 5 to 10 kt, becoming nw after midnight. waves
around 2 ft. 
.fri...w winds 5 to 10 kt. waves around 2 ft. 
.fri night...w winds 5 to 10 kt. waves around 2 ft. 
.sat...w winds 5 to 10 kt, becoming s in the afternoon. waves
around 2 ft. a chance of rain in the afternoon. 
.sat night...s winds 5 to 10 kt, becoming nw after midnight.
waves around 2 ft. a chance of rain. 
.sun...nw winds 10 to 15 kt. waves around 2 ft. a chance of rain.
.sun night through mon night...sw winds 15 to 20 kt with gusts up
to 25 kt. waves 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 301104
cwfbox
expires:202605010000;;778645

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am edt thu apr 30 2026

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


anz237-010000-
block island sound-
704 am edt thu apr 30 2026

.today...s winds around 5 kt. seas 3 to 4 ft. wave detail: se
4 ft at 10 seconds and e 2 ft at 5 seconds. patchy fog. scattered
showers. vsby 1 nm or less. 
.tonight...w winds 5 to 10 kt. seas 3 to 4 ft. wave detail: se
3 ft at 10 seconds and w 2 ft at 3 seconds. 
.fri...w winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 3 to 4 ft. wave detail: se 3 ft at 10 seconds and w 2 ft at
3 seconds. 
.fri night...sw winds 10 to 15 kt, becoming w 5 to 10 kt after
midnight. seas 2 to 4 ft. wave detail: se 3 ft at 9 seconds and
sw 2 ft at 4 seconds. 
.sat...w winds 5 to 10 kt, becoming s in the afternoon. seas 2 to
3 ft. wave detail: se 2 ft at 9 seconds and sw 1 foot at
5 seconds. a chance of rain in the afternoon. 
.sat night...s winds 5 to 10 kt, becoming nw after midnight. seas
2 to 3 ft. wave detail: se 2 ft at 9 seconds and s 1 foot at
5 seconds. a chance of rain. 
.sun...nw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. a chance of rain. 
.sun night through mon night...sw winds 15 to 20 kt with gusts up
to 30 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 301104
cwfbox
expires:202605010000;;778639

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am edt thu apr 30 2026

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


anz255-010000-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
704 am edt thu apr 30 2026

...small craft advisory in effect through friday evening...

.today...s winds around 5 kt. seas 4 to 6 ft. wave detail: se
6 ft at 10 seconds and se 5 ft at 6 seconds. patchy fog.
scattered showers. vsby 1 nm or less. 
.tonight...w winds 5 to 10 kt. seas 3 to 5 ft. wave detail: se
5 ft at 10 seconds and w 2 ft at 5 seconds. patchy fog. vsby 1 nm
or less. 
.fri...w winds 10 to 15 kt with gusts up to 20 kt. seas 4 to
5 ft. wave detail: se 5 ft at 10 seconds and w 3 ft at 4 seconds.
patchy fog in the morning with vsby 1 to 3 nm. 
.fri night...w winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas 3 to 5 ft. wave
detail: se 4 ft at 9 seconds and w 3 ft at 5 seconds. 
.sat...w winds 5 to 10 kt, becoming s in the afternoon. seas 3 to
4 ft. wave detail: se 3 ft at 9 seconds and sw 2 ft at 5 seconds.
.sat night...s winds around 10 kt, becoming ne after midnight.
seas 3 to 4 ft. wave detail: se 3 ft at 10 seconds and s 2 ft at
6 seconds. rain likely. 
.sun...nw winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
4 ft. rain likely. 
.sun night...w winds 15 to 20 kt. seas 4 to 6 ft. 
.mon and mon night...sw winds 15 to 20 kt, increasing to 20 to
25 kt. gusts up to 30 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.

$$