fzus51 kbox 211506
cwfbox
expires:202602220400;;017623

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am est sat feb 21 2026

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


anz235-220400-
rhode island sound-
1005 am est sat feb 21 2026

...storm watch in effect from late sunday night through monday
afternoon...

.this afternoon...n winds around 10 kt. seas 3 to 4 ft. wave
detail: s 4 ft at 7 seconds and n 2 ft at 5 seconds. 
.tonight...ne winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s
3 ft at 8 seconds and e 2 ft at 6 seconds. 
.sun...ne winds 10 to 15 kt, becoming e 15 to 20 kt with gusts up
to 25 kt in the afternoon. seas 2 to 3 ft. wave detail: e 3 ft at
4 seconds and s 2 ft at 8 seconds. a chance of snow in the
afternoon. 
.sun night...ne winds 25 to 30 kt with gusts up to 40 kt,
increasing to 35 to 45 kt with gusts up to 50 kt after midnight.
seas 4 to 6 ft, building to 5 to 8 ft after midnight. wave
detail: e 6 ft at 5 seconds and s 1 foot at 7 seconds, becoming e
8 ft at 7 seconds and se 4 ft at 8 seconds. snow likely in the
evening, then snow after midnight. 
.mon...n winds 35 to 45 kt with gusts up to 55 kt. seas 8 to
11 ft. wave detail: n 9 ft at 6 seconds and e 9 ft at 10 seconds.
snow.
.mon night...nw winds 30 to 40 kt with gusts up to 45 kt,
diminishing to 20 to 25 kt with gusts up to 30 kt after midnight.
seas 7 to 10 ft, subsiding to 4 to 6 ft after midnight. wave
detail: n 7 ft at 6 seconds and s 7 ft at 12 seconds, becoming nw
6 ft at 5 seconds and s 4 ft at 11 seconds. snow likely in the
evening. a chance of light freezing spray after midnight. 
.tue...nw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. a chance of light freezing spray. 
.tue night...w winds 15 to 20 kt. seas 2 to 4 ft. 
.wed...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. a chance of rain and snow. 
.wed night...sw winds 15 to 20 kt. seas 4 to 6 ft. a chance of
rain.  

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 211506
cwfbox
expires:202602220400;;017626

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am est sat feb 21 2026

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


anz236-220400-
narragansett bay-
1005 am est sat feb 21 2026

...storm watch in effect from monday morning through monday
afternoon...

.this afternoon...n winds 5 to 10 kt. waves 2 to 3 ft. 
.tonight...ne winds around 5 kt. waves around 2 ft. 
.sun...ne winds 5 to 10 kt, becoming e 15 to 20 kt in the
afternoon. waves 2 to 3 ft. a chance of snow in the afternoon. 
.sun night...ne winds 20 to 25 kt with gusts up to 35 kt,
increasing to 25 to 35 kt with gusts up to 45 kt after midnight.
waves 2 to 3 ft. at the bay entrance, waves 3 to 4 ft, building
to 4 to 6 ft after midnight. snow likely in the evening, then
snow after midnight. 
.mon...n winds 30 to 40 kt with gusts up to 50 kt. waves around
3 ft, except 5 to 7 ft at the bay entrance. snow.
.mon night...nw winds 25 to 30 kt with gusts up to 40 kt,
diminishing to 15 to 20 kt with gusts up to 25 kt after midnight.
waves 2 to 3 ft. at the bay entrance, waves 5 to 7 ft, subsiding
to 3 to 4 ft after midnight. snow likely in the evening. 
.tue and tue night...w winds 10 to 15 kt. gusts up to 20 kt.
waves 2 to 3 ft. 
.wed...sw winds 10 to 15 kt. waves around 2 ft. a chance of snow
and rain. 
.wed night...sw winds 10 to 15 kt with gusts up to 20 kt. waves
2 to 4 ft. a chance of rain.  

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 211506
cwfbox
expires:202602220400;;017624

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am est sat feb 21 2026

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


anz237-220400-
block island sound-
1005 am est sat feb 21 2026

...storm watch in effect from late sunday night through monday
afternoon...

.this afternoon...nw winds 5 to 10 kt, becoming ne. seas 3 to
4 ft. wave detail: se 4 ft at 7 seconds. 
.tonight...e winds around 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 7 seconds. 
.sun...e winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: e 3 ft
at 4 seconds and s 2 ft at 8 seconds. a chance of snow in the
afternoon. 
.sun night...ne winds 25 to 30 kt with gusts up to 40 kt,
increasing to 30 to 40 kt with gusts up to 50 kt after midnight.
seas 4 to 6 ft, building to 5 to 8 ft after midnight. wave
detail: e 6 ft at 5 seconds and s 1 foot at 7 seconds, becoming e
8 ft at 8 seconds and se 2 ft at 8 seconds. snow.
.mon...n winds 35 to 45 kt with gusts up to 55 kt. seas 8 to
11 ft. wave detail: e 10 ft at 10 seconds and n 8 ft at
7 seconds. snow.
.mon night...nw winds 25 to 30 kt with gusts up to 40 kt,
diminishing to 15 to 20 kt with gusts up to 25 kt after midnight.
seas 7 to 10 ft, subsiding to 4 to 6 ft after midnight. wave
detail: se 8 ft at 11 seconds and s 6 ft at 12 seconds, becoming
se 5 ft at 11 seconds and w 4 ft at 5 seconds. snow likely in the
evening. a chance of light freezing spray after midnight. 
.tue...nw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. 
.tue night...w winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 4 ft. 
.wed...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. a chance of rain. 
.wed night...sw winds 15 to 20 kt. seas 3 to 5 ft. a chance of
rain.  

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 211506
cwfbox
expires:202602220400;;017618

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am est sat feb 21 2026

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


anz255-220400-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1005 am est sat feb 21 2026

...storm watch in effect from late sunday night through monday
evening...

.this afternoon...n winds 10 to 15 kt. seas 3 to 5 ft. wave
detail: e 3 ft at 6 seconds and s 3 ft at 7 seconds. a chance of
snow showers. 
.tonight...ne winds 5 to 10 kt. seas 3 to 4 ft. wave detail: ne
3 ft at 7 seconds and sw 3 ft at 8 seconds. 
.sun...ne winds 10 to 15 kt, becoming e 20 to 25 kt in the
afternoon. seas 3 to 5 ft. wave detail: e 4 ft at 4 seconds and e
3 ft at 8 seconds. 
.sun night...e winds 25 to 35 kt with gusts up to 40 kt, becoming
ne 35 to 45 kt with gusts up to 55 kt after midnight. seas 5 to
7 ft, building to 9 to 12 ft after midnight. wave detail: e 7 ft
at 6 seconds and e 2 ft at 9 seconds, becoming e 12 ft at
8 seconds. rain and snow. 
.mon...ne winds 45 to 50 kt with gusts up to 55 kt. seas 12 to
16 ft, building to 13 to 18 ft in the afternoon. s and e of
nantucket, seas 15 to 20 ft, building to 18 to 23 ft in the
afternoon. wave detail: e 16 ft at 10 seconds and ne 7 ft at
7 seconds, becoming e 17 ft at 11 seconds and s 10 ft at
12 seconds. rain and snow. 
.mon night...nw winds 40 to 50 kt with gusts up to 55 kt,
diminishing to 25 to 35 kt with gusts up to 40 kt after midnight.
seas 12 to 16 ft, subsiding to 9 to 12 ft after midnight. s and e
of nantucket, seas 16 to 21 ft, subsiding to 12 to 17 ft after
midnight. wave detail: n 11 ft at 7 seconds and e 11 ft at
11 seconds, becoming nw 11 ft at 7 seconds and e 8 ft at
11 seconds. snow likely, mainly in the evening. a chance of light
freezing spray after midnight. 
.tue...nw winds 20 to 25 kt. seas 6 to 9 ft. a chance of light
freezing spray. 
.tue night...w winds 15 to 20 kt. seas 4 to 6 ft. 
.wed...sw winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
4 ft. a chance of rain. 
.wed night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
4 to 6 ft. a chance of rain.  

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.

$$