fzus51 kbox 211405
cwfbox
expires:202606220300;;128118

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am edt sun jun 21 2026

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


anz235-220300-
rhode island sound-
1004 am edt sun jun 21 2026

.this afternoon...sw winds 10 to 15 kt. gusts up to 20 kt. seas
2 to 3 ft. wave detail: s 3 ft at 8 seconds and w 2 ft at
4 seconds. 
.tonight...w winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas 2 to 3 ft. wave
detail: s 3 ft at 8 seconds and w 1 foot at 4 seconds. 
.mon...s winds around 5 kt, becoming se 10 to 15 kt in the
afternoon. seas around 2 ft. wave detail: s 2 ft at 8 seconds and
sw 1 foot at 5 seconds. a chance of showers in the afternoon. 
.mon night...s winds 15 to 20 kt. seas 3 to 5 ft. wave detail: s
4 ft at 6 seconds. showers with a chance of tstms. 
.tue...sw winds 10 to 15 kt with gusts up to 20 kt, becoming n in
the afternoon. seas 3 to 5 ft. wave detail: sw 4 ft at 7 seconds.
showers, mainly in the morning. 
.tue night...sw winds 5 to 10 kt, becoming nw after midnight.
seas 2 to 4 ft. wave detail: sw 3 ft at 7 seconds and e 1 foot at
6 seconds. 
.wed through thu night...s winds 5 to 10 kt. seas 2 to 3 ft.  

winds and seas higher in and near tstms.

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 211405
cwfbox
expires:202606220300;;128121

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am edt sun jun 21 2026

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


anz236-220300-
narragansett bay-
1004 am edt sun jun 21 2026

.this afternoon...w winds 10 to 15 kt. gusts up to 20 kt. waves
around 2 ft. a slight chance of showers. 
.tonight...w winds 5 to 10 kt, becoming nw after midnight. waves
around 2 ft. 
.mon...se winds around 5 kt, becoming s in the afternoon. waves
around 2 ft. a chance of showers in the afternoon. 
.mon night...s winds 10 to 15 kt with gusts up to 20 kt. waves
2 to 3 ft. showers with a chance of tstms. 
.tue...w winds 10 to 15 kt, becoming n 5 to 10 kt in the
afternoon. waves 2 to 3 ft. showers, mainly in the morning. 
.tue night...w winds around 5 kt. waves around 2 ft. 
.wed through thu night...s winds 5 to 10 kt. waves around 2 ft.  

winds and waves higher in and near tstms.

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 211405
cwfbox
expires:202606220300;;128119

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am edt sun jun 21 2026

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


anz237-220300-
block island sound-
1004 am edt sun jun 21 2026

.this afternoon...w winds 5 to 10 kt, becoming sw 10 to 15 kt.
seas 2 to 3 ft. wave detail: s 3 ft at 8 seconds and w 1 foot at
5 seconds. 
.tonight...sw winds 10 to 15 kt, becoming w around 5 kt after
midnight. seas 2 to 3 ft. wave detail: s 2 ft at 8 seconds and w
1 foot at 3 seconds. 
.mon...se winds around 5 kt, increasing to 5 to 10 kt in the
afternoon. seas around 2 ft. wave detail: s 2 ft at 6 seconds. a
chance of showers in the afternoon. 
.mon night...s winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 4 ft. wave detail: s 3 ft at 6 seconds. showers with a
chance of tstms. 
.tue...w winds around 10 kt, becoming nw in the afternoon. seas
3 to 4 ft. wave detail: se 3 ft at 6 seconds and w 1 foot at
5 seconds. showers, mainly in the morning. 
.tue night...w winds around 5 kt, becoming nw after midnight.
seas 2 to 4 ft. wave detail: se 3 ft at 7 seconds. 
.wed through thu night...s winds 5 to 10 kt. seas 2 to 3 ft.  

winds and seas higher in and near tstms.

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 211405
cwfbox
expires:202606220300;;128113

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am edt sun jun 21 2026

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


anz255-220300-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1004 am edt sun jun 21 2026

.this afternoon...sw winds 10 to 15 kt. seas 3 to 4 ft. wave
detail: s 3 ft at 8 seconds and w 2 ft at 4 seconds. 
.tonight...sw winds 10 to 15 kt, becoming w 5 to 10 kt after
midnight. seas 2 to 3 ft. wave detail: sw 3 ft at 8 seconds and w
1 foot at 3 seconds. 
.mon...sw winds around 5 kt, becoming s in the afternoon. seas
2 to 3 ft. wave detail: se 2 ft at 7 seconds and w 1 foot at
3 seconds. 
.mon night...s winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 4 ft, building to 4 to 6 ft after midnight. wave detail: sw
4 ft at 6 seconds and e 1 foot at 8 seconds, becoming s 4 ft at
5 seconds and e 2 ft at 10 seconds. a chance of showers in the
evening. showers after midnight. 
.tue...s winds 15 to 20 kt, becoming w 10 to 15 kt in the
afternoon. seas 4 to 6 ft. wave detail: s 4 ft at 7 seconds and w
1 foot at 6 seconds. showers.
.tue night...nw winds 5 to 10 kt. seas 3 to 5 ft. wave detail: s
4 ft at 7 seconds and nw 3 ft at 5 seconds. a chance of showers
in the evening. 
.wed through thu night...s winds 5 to 10 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.

$$