fzus51 kbox 210505
cwfbox
expires:202606211800;;106984

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

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


anz235-211800-
rhode island sound-
105 am edt sun jun 21 2026

.rest of tonight...w winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: s 3 ft at 8 seconds and se 2 ft at 10 seconds. 
.sun...w winds 5 to 10 kt, becoming sw 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: sw 3 ft
at 4 seconds and s 3 ft at 8 seconds. 
.sun night...sw winds 10 to 15 kt with gusts up to 20 kt,
becoming w 5 to 10 kt after midnight. seas 2 to 3 ft. wave
detail: sw 3 ft at 4 seconds and s 3 ft at 8 seconds. 
.mon...sw winds around 5 kt, becoming s in the afternoon. seas
2 to 3 ft. wave detail: sw 2 ft at 6 seconds and s 1 foot at
9 seconds. a chance of showers in the afternoon. 
.mon night...s winds 15 to 20 kt with gusts up to 25 kt. seas
4 to 6 ft. wave detail: s 5 ft at 7 seconds. showers. a chance of
tstms after midnight. 
.tue...sw winds 15 to 20 kt, becoming nw 10 to 15 kt in the
afternoon. gusts up to 25 kt. seas 3 to 5 ft. wave detail: s 5 ft
at 7 seconds. showers likely with a chance of tstms in the
morning, then a chance of showers in the afternoon. 
.tue night...nw winds 5 to 10 kt. seas 2 to 4 ft.
.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 210505
cwfbox
expires:202606211800;;106987

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

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


anz236-211800-
narragansett bay-
105 am edt sun jun 21 2026

.rest of tonight...w winds 5 to 10 kt. waves around 2 ft.
.sun...w winds 5 to 10 kt, becoming sw 10 to 15 kt with gusts up
to 20 kt in the afternoon. waves around 2 ft. 
.sun night...w winds 10 to 15 kt, becoming nw around 5 kt after
midnight. waves around 2 ft. 
.mon...sw winds around 5 kt, becoming s in the afternoon. waves
2 to 3 ft. showers likely in the afternoon. 
.mon night...s winds 10 to 15 kt with gusts up to 20 kt. waves
2 to 4 ft. showers. a chance of tstms after midnight. 
.tue...sw winds 10 to 15 kt with gusts up to 20 kt, becoming nw
in the afternoon. waves 2 to 3 ft. showers in the morning. a
chance of showers in the afternoon. 
.tue night...nw winds 5 to 10 kt. waves 2 to 3 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 210505
cwfbox
expires:202606211800;;106985

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

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


anz237-211800-
block island sound-
105 am edt sun jun 21 2026

.rest of tonight...w winds around 5 kt. seas 2 to 3 ft. wave
detail: s 3 ft at 8 seconds and w 1 foot at 3 seconds. 
.sun...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s 3 ft at
8 seconds and sw 2 ft at 3 seconds. 
.sun night...sw winds 10 to 15 kt, becoming w around 5 kt after
midnight. seas 2 to 3 ft. wave detail: s 3 ft at 8 seconds and w
1 foot at 3 seconds. 
.mon...s winds around 5 kt, becoming se in the afternoon. seas
2 to 3 ft. wave detail: s 2 ft at 7 seconds and sw 1 foot at
2 seconds. showers likely in the afternoon. 
.mon night...s winds 15 to 20 kt with gusts up to 25 kt. seas
4 to 6 ft. wave detail: s 4 ft at 5 seconds. showers. a chance of
tstms after midnight. 
.tue...sw winds 10 to 15 kt with gusts up to 20 kt, becoming nw
5 to 10 kt in the afternoon. seas 3 to 5 ft. wave detail: sw 4 ft
at 6 seconds and se 2 ft at 7 seconds. showers in the morning. a
chance of showers in the afternoon. 
.tue night...nw winds 5 to 10 kt. seas 2 to 4 ft.
.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 210505
cwfbox
expires:202606211800;;106979

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

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


anz255-211800-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
105 am edt sun jun 21 2026

...small craft advisory in effect until 4 am edt early this
morning...

.rest of tonight...w winds around 10 kt. seas 3 to 5 ft. wave
detail: sw 5 ft at 7 seconds and e 1 foot at 12 seconds. 
.sun...sw winds 5 to 10 kt. seas 3 to 4 ft. wave detail: w 4 ft
at 6 seconds and se 1 foot at 12 seconds. 
.sun night...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 5 seconds and
sw 3 ft at 8 seconds. 
.mon...sw winds around 5 kt, becoming s in the afternoon. seas
2 to 3 ft. wave detail: s 2 ft at 7 seconds and w 1 foot at
3 seconds. a chance of showers in the afternoon. 
.mon night...se winds 15 to 20 kt, becoming s 20 to 25 kt after
midnight. gusts up to 30 kt. seas 5 to 7 ft. wave detail: sw 6 ft
at 7 seconds and se 3 ft at 6 seconds. a chance of showers in the
evening, then showers after midnight. 
.tue...sw winds 20 to 25 kt, becoming w 15 to 20 kt in the
afternoon. seas 4 to 6 ft. wave detail: sw 6 ft at 7 seconds and
se 1 foot at 8 seconds. showers with a chance of tstms. 
.tue night...nw winds 5 to 10 kt. seas 3 to 5 ft. a chance of
showers in the evening. 
.wed through thu night...se winds 5 to 10 kt. seas 2 to 4 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.

$$