fzus51 kbox 220504
cwfbox
expires:202607221800;;389393

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt wed jul 22 2026

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


anz231-221800-
cape cod bay-
104 am edt wed jul 22 2026

...small craft advisory in effect through this evening...

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

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 220504
cwfbox
expires:202607221800;;389397

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt wed jul 22 2026

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


anz232-221800-
nantucket sound-
104 am edt wed jul 22 2026

...small craft advisory in effect through this evening...

.rest of tonight...sw winds around 25 kt with gusts up to 30 kt.
seas 4 to 6 ft. wave detail: s 5 ft at 6 seconds and e 1 foot at
11 seconds. patchy fog. showers likely with a chance of tstms.
vsby 1 to 3 nm. 
.wed...sw winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: s 5 ft at 7 seconds and sw 3 ft at 4 seconds.
showers likely with a chance of tstms in the morning, then a
chance of showers in the afternoon. patchy fog in the morning
with vsby 1 to 3 nm. 
.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: sw 4 ft at 8 seconds and se 4 ft at
9 seconds. patchy fog in the evening. a chance of showers after
midnight. vsby 1 to 3 nm. 
.thu...n winds around 10 kt, becoming ne in the afternoon. seas
2 to 4 ft. wave detail: s 2 ft at 8 seconds and e 2 ft at
10 seconds. 
.thu night...e winds 5 to 10 kt, becoming ne after midnight. seas
2 to 3 ft. wave detail: sw 1 foot at 6 seconds and e 1 foot at
7 seconds. 
.fri and fri night...e winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 1 foot at 4 seconds and s 1 foot at 7 seconds. 
.sat through sun night...s 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 220504
cwfbox
expires:202607221800;;389398

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt wed jul 22 2026

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


anz233-221800-
vineyard sound-
104 am edt wed jul 22 2026

...small craft advisory in effect through this evening...

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

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 220504
cwfbox
expires:202607221800;;389399

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt wed jul 22 2026

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


anz234-221800-
buzzards bay-
104 am edt wed jul 22 2026

...small craft advisory in effect through this evening...

.rest of tonight...sw winds 20 to 25 kt with gusts up to 30 kt.
seas 3 to 5 ft. wave detail: s 5 ft at 5 seconds and ne 1 foot at
11 seconds. patchy fog. showers likely with a chance of tstms.
vsby 1 to 3 nm. 
.wed...sw winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: sw 5 ft at 6 seconds. a chance of showers. a
chance of tstms in the morning. patchy fog in the morning with
vsby 1 to 3 nm. 
.wed night...sw winds 15 to 20 kt with gusts up to 25 kt,
becoming nw 5 to 10 kt after midnight. seas 3 to 5 ft. wave
detail: sw 4 ft at 9 seconds and sw 3 ft at 4 seconds. 
.thu...n winds 5 to 10 kt, becoming e in the afternoon. seas 2 to
3 ft. wave detail: e 3 ft at 9 seconds and sw 2 ft at 9 seconds. 
.thu night...se winds 5 to 10 kt, becoming sw after midnight.
seas around 2 ft. wave detail: sw 2 ft at 8 seconds and se 2 ft
at 8 seconds. 
.fri and fri night...e winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 1 foot at 4 seconds and s 1 foot at 7 seconds. 
.sat through sun night...sw 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 220504
cwfbox
expires:202607221800;;389400

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt wed jul 22 2026

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


anz235-221800-
rhode island sound-
104 am edt wed jul 22 2026

...small craft advisory in effect through this evening...

.rest of tonight...sw winds 20 to 25 kt with gusts up to 30 kt.
seas 5 to 8 ft. wave detail: sw 8 ft at 7 seconds and se 4 ft at
8 seconds. patchy fog. showers likely with a chance of tstms.
vsby 1 to 3 nm. 
.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 4 ft at 7 seconds.
showers likely with a chance of tstms in the morning, then a
chance of showers in the afternoon. patchy fog in the morning
with vsby 1 to 3 nm. 
.wed night...sw winds 15 to 20 kt with gusts up to 25 kt,
becoming nw around 10 kt after midnight. seas 5 to 7 ft. wave
detail: s 7 ft at 9 seconds and se 4 ft at 9 seconds. 
.thu...n winds 5 to 10 kt, becoming e in the afternoon. seas 4 to
6 ft. wave detail: s 6 ft at 9 seconds and e 4 ft at 10 seconds. 
.thu night...s winds 5 to 10 kt, becoming nw after midnight. seas
3 to 4 ft. wave detail: s 4 ft at 8 seconds and se 3 ft at
7 seconds. 
.fri and fri night...e winds 5 to 10 kt. seas 2 to 4 ft. wave
detail: se 4 ft at 7 seconds and w 1 foot at 7 seconds. 
.sat through sun night...sw 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 220504
cwfbox
expires:202607221800;;389403

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt wed jul 22 2026

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


anz236-221800-
narragansett bay-
104 am edt wed jul 22 2026

.rest of tonight...s winds 15 to 20 kt with gusts up to 25 kt.
waves 3 to 5 ft. patchy fog. showers likely with a chance of
tstms. vsby 1 to 3 nm. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. waves 3 to
5 ft. patchy fog in the morning. showers with a chance of tstms
in the morning with vsby 1 to 3 nm. 
.wed night...sw winds 10 to 15 kt with gusts up to 20 kt,
becoming nw 5 to 10 kt after midnight. waves 2 to 4 ft. 
.thu...n winds 5 to 10 kt, becoming ne in the afternoon. waves
2 to 3 ft. 
.thu night...s winds 5 to 10 kt, becoming nw after midnight.
waves 2 to 3 ft. 
.fri and fri night...ne winds 5 to 10 kt. waves around 2 ft. 
.sat through sun night...sw 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 220504
cwfbox
expires:202607221800;;389391

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt wed jul 22 2026

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


anz250-221800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 am edt wed jul 22 2026

...small craft advisory in effect through this evening...

.rest of tonight...s winds 15 to 20 kt with gusts up to 30 kt.
seas 3 to 5 ft. wave detail: s 4 ft at 6 seconds. patchy fog.
showers likely with a chance of tstms. vsby 1 nm or less. 
.wed...s winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: s 5 ft at 8 seconds and se 5 ft at 8 seconds.
patchy fog in the morning. showers with a chance of tstms in the
morning with vsby 1 to 3 nm. 
.wed night...sw winds 10 to 15 kt with gusts up to 25 kt,
becoming w after midnight. seas 3 to 5 ft. wave detail: s 5 ft at
8 seconds and se 4 ft at 10 seconds. 
.thu...nw winds 5 to 10 kt, becoming e in the afternoon. seas
2 to 4 ft. wave detail: se 3 ft at 8 seconds and e 2 ft at
10 seconds. 
.thu night...s winds around 5 kt, becoming sw after midnight.
seas 2 to 3 ft. wave detail: se 3 ft at 8 seconds and nw 1 foot
at 3 seconds. 
.fri and fri night...s winds around 5 kt. seas 2 to 3 ft. wave
detail: se 2 ft at 7 seconds and s 1 foot at 2 seconds. 
.sat through sun 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 220504
cwfbox
expires:202607221800;;389394

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt wed jul 22 2026

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


anz254-221800-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
104 am edt wed jul 22 2026

...small craft advisory in effect through this evening...

.rest of tonight...s winds 20 to 25 kt with gusts up to 30 kt.
seas 5 to 7 ft. wave detail: s 7 ft at 6 seconds and e 1 foot at
11 seconds. patchy fog. showers likely with a chance of tstms.
vsby 1 to 3 nm. 
.wed...s winds 20 to 25 kt with gusts up to 30 kt. seas 6 to
9 ft. wave detail: sw 8 ft at 6 seconds and se 5 ft at 9 seconds.
showers likely with a chance of tstms in the morning, then a
chance of showers in the afternoon. patchy fog in the morning
with vsby 1 to 3 nm. 
.wed night...sw winds 15 to 20 kt, becoming w 10 to 15 kt after
midnight. gusts up to 25 kt. seas 5 to 8 ft. wave detail: s 8 ft
at 9 seconds and se 5 ft at 10 seconds. patchy fog. showers
likely. vsby 1 to 3 nm. 
.thu...nw winds 5 to 10 kt, becoming ne in the afternoon. seas
4 to 6 ft. wave detail: se 5 ft at 9 seconds and e 2 ft at
10 seconds. a chance of showers in the morning. 
.thu night...e winds around 5 kt, becoming n after midnight. seas
3 to 5 ft. wave detail: s 4 ft at 8 seconds and se 2 ft at
8 seconds. 
.fri and fri night...e winds 5 to 10 kt. seas 2 to 4 ft. wave
detail: se 3 ft at 7 seconds and w 1 foot at 3 seconds. 
.sat through sun 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 220504
cwfbox
expires:202607221800;;389395

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt wed jul 22 2026

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


anz255-221800-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
104 am edt wed jul 22 2026

...small craft advisory in effect through this evening...

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

$$