fzus51 kbox 231405
cwfbox
expires:202605240300;;512024

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sat may 23 2026

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


anz235-240300-
rhode island sound-
1005 am edt sat may 23 2026

...small craft advisory in effect from late tonight through late
sunday night...

.this afternoon...e winds around 10 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 8 seconds and e 2 ft at 4 seconds. 
.tonight...e winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. seas 2 to 3 ft, building to 3 to 5 ft after midnight.
wave detail: se 3 ft at 8 seconds and ne 1 foot at 3 seconds,
becoming se 4 ft at 8 seconds and ne 2 ft at 5 seconds. rain
likely after midnight. 
.sun...e winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. wave detail: se 7 ft at 9 seconds and e 4 ft at 5 seconds.
patchy fog. rain. vsby 1 to 3 nm.
.sun night...se winds 20 to 25 kt, becoming s 15 to 20 kt after
midnight. gusts up to 30 kt. seas 5 to 8 ft. wave detail: se 8 ft
at 9 seconds and sw 5 ft at 9 seconds. patchy fog. rain. vsby
1 to 3 nm. 
.mon...w winds 5 to 10 kt. seas 3 to 5 ft. wave detail: se 5 ft
at 9 seconds and sw 4 ft at 10 seconds. rain likely in the
morning, then a chance of showers in the afternoon. 
.mon night...w winds 5 to 10 kt. seas 3 to 4 ft. wave detail: se
4 ft at 8 seconds and s 2 ft at 7 seconds. 
.tue through wed night...nw 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.

$$

fzus51 kbox 231405
cwfbox
expires:202605240300;;512027

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sat may 23 2026

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


anz236-240300-
narragansett bay-
1005 am edt sat may 23 2026

.this afternoon...e winds 5 to 10 kt. waves around 2 ft. 
.tonight...se winds 10 to 15 kt. gusts up to 20 kt after
midnight. waves 2 to 3 ft. rain likely after midnight. 
.sun...e winds 15 to 20 kt with gusts up to 25 kt. waves 3 to
5 ft. patchy fog. rain. vsby 1 to 3 nm. 
.sun night...se winds 15 to 20 kt, becoming s 10 to 15 kt after
midnight. gusts up to 25 kt. waves 3 to 5 ft. patchy fog. rain.
vsby 1 to 3 nm. 
.mon...nw winds 5 to 10 kt, becoming w in the afternoon. waves
2 to 3 ft. a chance of rain in the morning. 
.mon night...w winds around 5 kt. waves 2 to 3 ft. 
.tue through wed night...nw 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 231405
cwfbox
expires:202605240300;;512025

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sat may 23 2026

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


anz237-240300-
block island sound-
1005 am edt sat may 23 2026

...small craft advisory in effect from late tonight through late
sunday night...

.this afternoon...e winds around 10 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 7 seconds and e 1 foot at 4 seconds. a slight
chance of rain. 
.tonight...e winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. seas 2 to 3 ft, building to 3 to
5 ft after midnight. wave detail: se 3 ft at 8 seconds and ne
1 foot at 3 seconds, becoming se 4 ft at 8 seconds and e 2 ft at
7 seconds. a chance of rain in the evening, then rain after
midnight. 
.sun...e winds 15 to 20 kt with gusts up to 30 kt. seas 5 to
7 ft. wave detail: se 7 ft at 9 seconds and e 3 ft at 4 seconds.
patchy fog. rain. vsby 1 to 3 nm.
.sun night...se winds 15 to 20 kt, becoming s 10 to 15 kt after
midnight. gusts up to 25 kt. seas 5 to 8 ft. wave detail: se 8 ft
at 9 seconds and s 7 ft at 10 seconds. patchy fog. rain. vsby
1 to 3 nm. 
.mon...w winds 5 to 10 kt. seas 3 to 5 ft. wave detail: se 5 ft
at 9 seconds and s 5 ft at 10 seconds. a chance of rain in the
morning, then a chance of showers in the afternoon. 
.mon night...w winds 5 to 10 kt. seas 3 to 4 ft. wave detail: se
4 ft at 8 seconds and s 2 ft at 8 seconds. 
.tue through wed night...nw 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.

$$

fzus51 kbox 231405
cwfbox
expires:202605240300;;512019

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sat may 23 2026

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


anz255-240300-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1005 am edt sat may 23 2026

...small craft advisory in effect from 8 pm edt this evening
through monday evening...

.this afternoon...e winds around 10 kt. seas 2 to 3 ft. wave
detail: ne 2 ft at 4 seconds and se 2 ft at 9 seconds. 
.tonight...e winds 10 to 15 kt. gusts up to 20 kt after midnight.
seas 2 to 4 ft. wave detail: se 4 ft at 8 seconds and ne 3 ft at
4 seconds. a chance of rain after midnight. 
.sun...se winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft, building to 5 to 8 ft in the afternoon. wave detail: se
6 ft at 9 seconds and e 3 ft at 4 seconds, becoming se 8 ft at
9 seconds and e 3 ft at 4 seconds. patchy fog. rain. vsby 1 to
3 nm in the afternoon. 
.sun night...se winds 20 to 25 kt with gusts up to 30 kt. seas
6 to 9 ft. wave detail: se 9 ft at 9 seconds and se 5 ft at
5 seconds. patchy fog. rain. vsby 1 to 3 nm, decreasing to 1 nm
or less after midnight. 
.mon...sw winds 10 to 15 kt with gusts up to 20 kt, becoming w
5 to 10 kt in the afternoon. seas 4 to 6 ft. wave detail: se 6 ft
at 9 seconds and sw 3 ft at 7 seconds. rain likely in the
morning, then a chance of showers in the afternoon. patchy fog in
the morning. 
.mon night...w winds 5 to 10 kt. seas 3 to 5 ft. wave detail: s
5 ft at 7 seconds and w 1 foot at 3 seconds. a chance of showers
in the evening. 
.tue through wed night...w 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.

$$