fzus51 kbox 172006
cwfbox
expires:202603180900;;862955

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt tue mar 17 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz235-180900-
rhode island sound-
405 pm edt tue mar 17 2026

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

.tonight...w winds 20 to 25 kt, becoming nw 15 to 20 kt after
midnight. gusts up to 30 kt. seas 7 to 10 ft, subsiding to 5 to
8 ft after midnight. wave detail: s 10 ft at 11 seconds and w
3 ft at 5 seconds, becoming s 8 ft at 11 seconds and nw 2 ft at
5 seconds. 
.wed...nw winds 10 to 15 kt with gusts up to 20 kt, becoming sw
5 to 10 kt in the afternoon. seas 5 to 7 ft, subsiding to 3 to
5 ft in the afternoon. wave detail: s 7 ft at 10 seconds and nw
1 foot at 5 seconds, becoming s 5 ft at 10 seconds and nw 1 foot
at 5 seconds. 
.wed night...s winds 5 to 10 kt. seas 3 to 4 ft. wave detail: s
4 ft at 10 seconds. 
.thu...se winds 5 to 10 kt. seas 3 to 4 ft. wave detail: se 4 ft
at 9 seconds. 
.thu night through fri night...sw winds 5 to 10 kt. seas 2 to
4 ft. wave detail: se 4 ft at 9 seconds and sw 2 ft at 3 seconds.
.sat through sun...sw winds 15 to 20 kt. seas 2 to 4 ft. wave
detail: sw 4 ft at 5 seconds and se 3 ft at 9 seconds. a chance
of rain. 
.sun night...w winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 4 ft. a chance of rain and snow.  

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 172006
cwfbox
expires:202603180900;;862958

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt tue mar 17 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz236-180900-
narragansett bay-
405 pm edt tue mar 17 2026

...small craft advisory in effect until 6 pm edt this evening...

.tonight...w winds 15 to 20 kt, becoming nw 10 to 15 kt after
midnight. gusts up to 25 kt. waves 3 to 5 ft, subsiding to 2 to
3 ft after midnight. at the bay entrance, waves 4 to 6 ft. 
.wed...nw winds 5 to 10 kt, becoming sw in the afternoon. waves
2 to 3 ft. 
.wed night...s winds 5 to 10 kt, diminishing to around 5 kt after
midnight. waves 2 to 3 ft. 
.thu...se winds around 5 kt, becoming s in the afternoon. waves
2 to 3 ft. 
.thu night through fri night...w winds 5 to 10 kt. waves around
2 ft. 
.sat through sun...sw winds 10 to 15 kt with gusts up to 20 kt.
waves 2 to 3 ft. a chance of rain. 
.sun night...w winds 10 to 15 kt with gusts up to 20 kt. waves
2 to 3 ft. a chance of rain and snow.  

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 172006
cwfbox
expires:202603180900;;862956

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt tue mar 17 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz237-180900-
block island sound-
405 pm edt tue mar 17 2026

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

.tonight...w winds 15 to 20 kt, becoming nw 10 to 15 kt after
midnight. gusts up to 30 kt. seas 6 to 9 ft. wave detail: s 8 ft
at 11 seconds and w 4 ft at 5 seconds. 
.wed...nw winds 5 to 10 kt with gusts up to 20 kt, becoming sw in
the afternoon. seas 4 to 6 ft. wave detail: s 6 ft at 11 seconds
and w 2 ft at 4 seconds. 
.wed night...s winds 5 to 10 kt. seas 3 to 4 ft. wave detail: se
4 ft at 10 seconds. 
.thu...se winds 5 to 10 kt. seas 3 to 4 ft. wave detail: se 4 ft
at 9 seconds. 
.thu night through fri night...sw winds 5 to 10 kt. seas 2 to
4 ft. wave detail: se 4 ft at 9 seconds and sw 1 foot at
4 seconds. 
.sat through sun...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. wave detail: sw 4 ft at 5 seconds and se 3 ft at
9 seconds. a chance of rain. 
.sun night...w winds 15 to 20 kt. seas 3 to 4 ft. a chance of
rain and snow.  

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 172006
cwfbox
expires:202603180900;;862950

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt tue mar 17 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz255-180900-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
405 pm edt tue mar 17 2026

...small craft advisory in effect through thursday morning...

.tonight...w winds 20 to 25 kt, becoming nw 15 to 20 kt after
midnight. gusts up to 30 kt. seas 9 to 12 ft, subsiding to 7 to
10 ft after midnight. wave detail: s 12 ft at 11 seconds and w
2 ft at 5 seconds, becoming s 10 ft at 11 seconds and nw 3 ft at
5 seconds. 
.wed...nw winds 15 to 20 kt, becoming w 5 to 10 kt in the
afternoon. seas 5 to 8 ft, subsiding to 4 to 6 ft in the
afternoon. wave detail: s 8 ft at 10 seconds and nw 1 foot at
5 seconds, becoming s 6 ft at 10 seconds and nw 1 foot at
4 seconds. 
.wed night...s winds around 5 kt. seas 3 to 5 ft. wave detail: s
5 ft at 10 seconds. 
.thu...se winds 5 to 10 kt. seas 3 to 4 ft. wave detail: s 4 ft
at 9 seconds. 
.thu night...s winds 5 to 10 kt. seas 2 to 4 ft. wave detail: se
4 ft at 9 seconds. 
.fri and fri night...sw winds 5 to 10 kt. seas 2 to 4 ft. wave
detail: se 3 ft at 9 seconds and sw 2 ft at 3 seconds. 
.sat through sun...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 5 ft. a chance of rain. 
.sun night...sw winds 20 to 25 kt. seas 4 to 6 ft. a chance of
rain and snow.  

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.

$$