fzus51 kbox 202304
cwfbox
expires:202607211200;;314475

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 pm edt mon jul 20 2026

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


anz231-211200-
cape cod bay-
704 pm edt mon jul 20 2026

...gale watch in effect from tuesday afternoon through wednesday
evening...

.tonight...s winds 5 to 10 kt. seas around 2 ft this evening,
then 1 foot or less. wave detail: sw 1 foot at 4 seconds and ne
1 foot at 5 seconds, becoming sw 1 foot at 3 seconds and e 1 foot
at 4 seconds. 
.tue...s winds 5 to 10 kt, becoming se 10 to 15 kt in the
afternoon. gusts up to 20 kt. seas 2 to 3 ft. wave detail: s 2 ft
at 4 seconds and e 1 foot at 12 seconds. 
.tue night...s winds 15 to 20 kt with gusts up to 30 kt. seas
3 to 4 ft. wave detail: s 4 ft at 4 seconds and e 1 foot at
11 seconds. showers with a chance of tstms. 
.wed...sw winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
4 ft. wave detail: sw 3 ft at 4 seconds and se 2 ft at 8 seconds.
showers likely with a chance of tstms in the morning, then a
chance of showers in the afternoon. 
.wed night...sw winds 15 to 20 kt with gusts up to 30 kt,
becoming w 5 to 10 kt with gusts up to 20 kt after midnight. seas
2 to 4 ft. wave detail: se 4 ft at 10 seconds and sw 3 ft at
4 seconds. showers likely. 
.thu...nw winds 5 to 10 kt, becoming ne in the afternoon. seas
around 2 ft. wave detail: s 2 ft at 6 seconds and s 2 ft at
10 seconds. a chance of showers in the morning. 
.thu night...se winds around 5 kt, becoming nw after midnight.
seas around 2 ft. 
.fri through sat night...s winds around 5 kt. seas around 2 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 202304
cwfbox
expires:202607211200;;314479

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 pm edt mon jul 20 2026

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


anz232-211200-
nantucket sound-
704 pm edt mon jul 20 2026

...gale watch in effect from tuesday afternoon through wednesday
evening...

.tonight...s winds around 10 kt. seas around 2 ft. wave detail:
sw 1 foot at 3 seconds and s 1 foot at 7 seconds. 
.tue...s winds 10 to 15 kt, becoming se 15 to 20 kt in the
afternoon. seas 2 to 3 ft. wave detail: s 2 ft at 4 seconds and e
1 foot at 12 seconds. a chance of showers in the afternoon. 
.tue night...s winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 4 ft, building to 4 to 6 ft after midnight. wave detail: sw
4 ft at 7 seconds and se 3 ft at 4 seconds, becoming sw 5 ft at
6 seconds and se 2 ft at 6 seconds. showers with a chance of
tstms. 
.wed...sw winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: sw 5 ft at 5 seconds and se 2 ft at 9 seconds.
showers. a chance of tstms in the morning. 
.wed night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 ft. wave detail: sw 5 ft at 5 seconds and se 3 ft at
9 seconds. showers with a chance of tstms. 
.thu...nw winds 10 to 15 kt, becoming n in the afternoon. seas
2 to 4 ft. wave detail: w 2 ft at 3 seconds and sw 2 ft at
8 seconds. showers likely in the morning. 
.thu night...se winds 5 to 10 kt, becoming ne after midnight.
seas 2 to 3 ft. 
.fri through sat night...ne winds 5 to 10 kt. seas around 2 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 202304
cwfbox
expires:202607211200;;314480

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 pm edt mon jul 20 2026

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


anz233-211200-
vineyard sound-
704 pm edt mon jul 20 2026

...gale watch in effect from tuesday afternoon through wednesday
evening...

.tonight...s winds around 10 kt. seas around 2 ft. wave detail:
sw 2 ft at 7 seconds and se 2 ft at 8 seconds. 
.tue...s winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: s 3 ft at 6 seconds and e 1 foot at
12 seconds. a chance of showers and tstms in the afternoon. 
.tue night...s winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 4 ft, building to 4 to 6 ft after midnight. wave detail: sw
4 ft at 7 seconds and se 2 ft at 7 seconds, becoming s 6 ft at
7 seconds and w 3 ft at 12 seconds. showers with a chance of
tstms. 
.wed...sw winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. wave detail: sw 7 ft at 8 seconds and s 4 ft at 7 seconds.
showers. a chance of tstms in the morning. 
.wed night...sw winds 20 to 25 kt with gusts up to 30 kt,
becoming w 10 to 15 kt with gusts up to 20 kt after midnight.
seas 4 to 6 ft. wave detail: sw 6 ft at 8 seconds and s 4 ft at
9 seconds. showers with a chance of tstms. 
.thu...nw winds 5 to 10 kt, becoming sw in the afternoon. seas
2 to 4 ft. wave detail: sw 4 ft at 9 seconds and nw 2 ft at
5 seconds. a chance of showers in the morning. 
.thu night...s winds 5 to 10 kt, becoming ne after midnight. seas
2 to 3 ft. 
.fri through sat night...e 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 202304
cwfbox
expires:202607211200;;314481

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 pm edt mon jul 20 2026

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


anz234-211200-
buzzards bay-
704 pm edt mon jul 20 2026

...gale watch in effect from tuesday afternoon through wednesday
evening...

.tonight...s winds around 10 kt. seas around 2 ft. wave detail: s
2 ft at 7 seconds and sw 1 foot at 3 seconds. 
.tue...s winds 10 to 15 kt, becoming se 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 3 ft. wave detail: s 2 ft
at 3 seconds and s 2 ft at 6 seconds. a chance of showers and
tstms in the afternoon. 
.tue night...s winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. wave detail: s 5 ft at 6 seconds and se 1 foot at
12 seconds. showers with a chance of tstms. 
.wed...sw winds 20 to 25 kt with gusts up to 35 kt. seas 3 to
5 ft. wave detail: sw 5 ft at 6 seconds and sw 5 ft at 9 seconds.
showers with a chance of tstms in the morning, then a chance of
showers in the afternoon. 
.wed night...sw winds 20 to 25 kt with gusts up to 30 kt,
becoming w 10 to 15 kt with gusts up to 20 kt after midnight.
seas 3 to 5 ft. wave detail: w 5 ft at 6 seconds and s 4 ft at
9 seconds. showers likely with a chance of tstms. 
.thu...nw winds 5 to 10 kt, becoming sw in the afternoon. seas
2 to 3 ft. wave detail: sw 3 ft at 9 seconds and se 3 ft at
12 seconds. a chance of showers in the morning. 
.thu night...s winds 5 to 10 kt, becoming n after midnight. seas
2 to 3 ft. 
.fri through sat night...e winds 5 to 10 kt. seas around 2 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 202304
cwfbox
expires:202607211200;;314482

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 pm edt mon jul 20 2026

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


anz235-211200-
rhode island sound-
704 pm edt mon jul 20 2026

...gale watch in effect from tuesday afternoon through wednesday
evening...

.tonight...s winds around 10 kt. seas 2 to 3 ft. wave detail: s
3 ft at 7 seconds and se 1 foot at 12 seconds. 
.tue...s winds 10 to 15 kt, becoming se 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: s 4 ft
at 7 seconds and e 1 foot at 12 seconds. a chance of showers and
tstms in the afternoon. 
.tue night...s winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft, building to 5 to 7 ft after midnight. wave detail: s
5 ft at 7 seconds and w 2 ft at 7 seconds, becoming s 7 ft at
7 seconds and e 1 foot at 12 seconds. showers with a chance of
tstms. 
.wed...sw winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
8 ft. wave detail: s 8 ft at 8 seconds and se 5 ft at 9 seconds.
showers with a chance of tstms in the morning, then a chance of
showers in the afternoon. 
.wed night...sw winds 20 to 25 kt with gusts up to 30 kt,
becoming w 10 to 15 kt with gusts up to 20 kt after midnight.
seas 5 to 8 ft. wave detail: s 8 ft at 9 seconds and se 4 ft at
9 seconds. showers likely. 
.thu...nw winds around 10 kt, becoming sw in the afternoon. seas
4 to 6 ft. wave detail: s 6 ft at 9 seconds and e 4 ft at
10 seconds. a chance of showers in the morning. 
.thu night...s winds 5 to 10 kt, becoming ne after midnight. seas
3 to 4 ft. 
.fri through sat night...e 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.

$$

fzus51 kbox 202304
cwfbox
expires:202607211200;;314485

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 pm edt mon jul 20 2026

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


anz236-211200-
narragansett bay-
704 pm edt mon jul 20 2026

.tonight...s winds 5 to 10 kt. waves around 2 ft. 
.tue...s winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
3 ft. a chance of showers and tstms in the afternoon. 
.tue night...s winds 15 to 20 kt with gusts up to 25 kt. waves
2 to 3 ft, building to 3 to 5 ft after midnight. showers with a
chance of tstms. 
.wed...sw winds 15 to 20 kt with gusts up to 30 kt. waves 3 to
5 ft. showers likely with a chance of tstms in the morning, then
a chance of showers in the afternoon. 
.wed night...sw winds 15 to 20 kt with gusts up to 25 kt,
becoming w 5 to 10 kt after midnight. waves 2 to 4 ft. a chance
of showers. 
.thu and thu night...n winds 5 to 10 kt. waves 2 to 3 ft. 
.fri through sat 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 202304
cwfbox
expires:202607211200;;314473

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 pm edt mon jul 20 2026

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


anz250-211200-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
704 pm edt mon jul 20 2026

...gale watch in effect from tuesday afternoon through wednesday
evening...

.tonight...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: s 2 ft at 4 seconds and se 2 ft at 8 seconds. 
.tue...s winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: s 3 ft at 4 seconds and e 1 foot at
12 seconds. 
.tue night...s winds 15 to 20 kt with gusts up to 30 kt. seas
3 to 5 ft. wave detail: s 4 ft at 5 seconds and se 1 foot at
11 seconds. showers with a chance of tstms. 
.wed...s winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: s 5 ft at 6 seconds and e 2 ft at 10 seconds.
showers likely with a chance of tstms in the morning, then a
chance of showers in the afternoon. 
.wed night...sw winds 15 to 20 kt with gusts up to 30 kt,
becoming w around 10 kt with gusts up to 20 kt after midnight.
seas 4 to 6 ft. wave detail: s 5 ft at 7 seconds and se 5 ft at
10 seconds. a chance of showers. 
.thu and thu night...w winds 5 to 10 kt. seas 2 to 4 ft. wave
detail: se 4 ft at 7 seconds and e 2 ft at 10 seconds. 
.fri through sat night...s winds around 5 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 202304
cwfbox
expires:202607211200;;314476

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 pm edt mon jul 20 2026

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


anz254-211200-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
704 pm edt mon jul 20 2026

...gale watch in effect from tuesday afternoon through wednesday
evening...

.tonight...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s
3 ft at 8 seconds and se 2 ft at 8 seconds. 
.tue...s winds 5 to 10 kt, becoming se 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: s 2 ft at
7 seconds and se 2 ft at 8 seconds. 
.tue night...s winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. gusts up to 30 kt. seas 3 to 5 ft, building to 5 to
7 ft after midnight. wave detail: s 4 ft at 6 seconds and se
1 foot at 11 seconds, becoming s 7 ft at 7 seconds. showers with
a chance of tstms. 
.wed...s winds 20 to 25 kt with gusts up to 30 kt. seas 6 to
9 ft. wave detail: s 8 ft at 8 seconds and se 4 ft at 9 seconds.
showers with a chance of tstms in the morning, then a chance of
showers in the afternoon. 
.wed night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
6 to 9 ft, subsiding to 5 to 7 ft after midnight. wave detail: s
8 ft at 9 seconds and se 4 ft at 10 seconds, becoming s 7 ft at
9 seconds and se 5 ft at 10 seconds. showers.
.thu...w winds 10 to 15 kt with gusts up to 20 kt, becoming n
5 to 10 kt in the afternoon. seas 5 to 7 ft. wave detail: s 7 ft
at 9 seconds and se 4 ft at 10 seconds. a chance of showers. 
.thu night...se winds 5 to 10 kt, becoming ne after midnight.
seas 3 to 5 ft. a chance of showers in the evening. 
.fri through sat night...e 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.

$$

fzus51 kbox 202304
cwfbox
expires:202607211200;;314477

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 pm edt mon jul 20 2026

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


anz255-211200-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
704 pm edt mon jul 20 2026

...gale watch in effect from tuesday afternoon through wednesday
evening...

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

$$