fzus51 kbox 232004
cwfbox
expires:202606240900;;788367

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt tue jun 23 2026

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


anz231-240900-
cape cod bay-
404 pm edt tue jun 23 2026

.tonight...n winds around 5 kt. seas 1 foot or less. wave detail:
sw 1 foot at 2 seconds and e 1 foot at 5 seconds. patchy fog.
showers likely, mainly this evening. vsby 1 to 3 nm. 
.wed...nw winds 5 to 10 kt, becoming sw in the afternoon. seas
1 foot or less. wave detail: w 1 foot at 2 seconds and e 1 foot
at 6 seconds. patchy fog in the morning with vsby 1 to 3 nm. 
.wed night...w winds around 5 kt. seas around 2 ft. wave detail:
sw 1 foot at 2 seconds and e 1 foot at 6 seconds. 
.thu...sw winds around 5 kt, becoming s in the afternoon. seas
1 foot or less, then around 2 ft in the afternoon. wave detail:
sw 1 foot at 2 seconds and e 1 foot at 4 seconds, becoming sw
1 foot at 2 seconds and e 1 foot at 7 seconds. 
.thu night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
se 2 ft at 9 seconds and s 1 foot at 2 seconds. 
.fri...s winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. gusts up to 20 kt. seas 2 to 3 ft. wave detail: sw
1 foot at 2 seconds and se 1 foot at 7 seconds. a chance of
showers. 
.fri night...sw winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas 2 to 3 ft in the
evening, then 1 foot or less. a chance of showers. 
.sat and sat night...ne winds around 5 kt, becoming s. seas
1 foot or less. a chance of showers. 
.sun and sun night...ne winds around 5 kt, becoming sw. seas
1 foot or less.  

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 232004
cwfbox
expires:202606240900;;788371

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt tue jun 23 2026

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


anz232-240900-
nantucket sound-
404 pm edt tue jun 23 2026

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

$$

fzus51 kbox 232004
cwfbox
expires:202606240900;;788372

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt tue jun 23 2026

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


anz233-240900-
vineyard sound-
404 pm edt tue jun 23 2026

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

$$

fzus51 kbox 232004
cwfbox
expires:202606240900;;788373

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt tue jun 23 2026

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


anz234-240900-
buzzards bay-
404 pm edt tue jun 23 2026

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

$$

fzus51 kbox 232004
cwfbox
expires:202606240900;;788374

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt tue jun 23 2026

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


anz235-240900-
rhode island sound-
404 pm edt tue jun 23 2026

.tonight...n winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 7 seconds. patchy fog. showers this evening. a chance of
showers after midnight. vsby 1 to 3 nm. 
.wed...nw winds 5 to 10 kt, becoming sw 10 to 15 kt in the
afternoon. seas 2 to 4 ft. wave detail: s 3 ft at 7 seconds and e
2 ft at 10 seconds. patchy fog in the morning with vsby 1 to
3 nm. 
.wed night...w winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. seas 2 to 4 ft. wave detail: s 4 ft at 8 seconds and se
3 ft at 8 seconds. 
.thu...w winds around 5 kt, becoming sw in the afternoon. seas
2 to 3 ft. wave detail: se 3 ft at 7 seconds. 
.thu night...sw winds around 10 kt. seas around 2 ft. wave
detail: se 2 ft at 7 seconds. a chance of showers after midnight.
.fri...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: s 3 ft at 7 seconds and se 2 ft at 9 seconds.
a chance of showers.
.fri night...sw winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas 2 to 3 ft. a
chance of showers. 
.sat and sat night...s winds 5 to 10 kt, becoming ne. seas 2 to
3 ft. a chance of showers. 
.sun and sun night...e winds 5 to 10 kt, becoming sw. seas 2 to
3 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.

$$

fzus51 kbox 232004
cwfbox
expires:202606240900;;788377

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt tue jun 23 2026

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


anz236-240900-
narragansett bay-
404 pm edt tue jun 23 2026

.tonight...n winds 5 to 10 kt. waves around 2 ft. patchy fog.
showers likely this evening. a chance of showers after midnight.
vsby 1 to 3 nm. 
.wed...nw winds 5 to 10 kt. waves around 2 ft. patchy fog in the
morning with vsby 1 to 3 nm. 
.wed night...w winds 5 to 10 kt. waves around 2 ft.
.thu...w winds around 5 kt, becoming sw in the afternoon. waves
around 2 ft. 
.thu night...sw winds 5 to 10 kt. waves around 2 ft. a chance of
showers after midnight. 
.fri...sw winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
3 ft. a chance of showers. 
.fri night...sw winds 5 to 10 kt. gusts up to 20 kt in the
evening. waves around 2 ft. a chance of showers after midnight. 
.sat and sat night...s winds 5 to 10 kt, becoming w. waves around
2 ft. a chance of showers. 
.sun and sun night...e winds 5 to 10 kt, becoming sw. waves
around 2 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.

$$

fzus51 kbox 232004
cwfbox
expires:202606240900;;788365

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt tue jun 23 2026

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


anz250-240900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
404 pm edt tue jun 23 2026

.tonight...nw winds around 5 kt. seas around 2 ft. wave detail:
se 2 ft at 6 seconds. patchy fog. a chance of showers. vsby 1 to
3 nm, decreasing to 1 nm or less after midnight. 
.wed...nw winds 5 to 10 kt, becoming w in the afternoon. seas
2 to 3 ft. wave detail: se 3 ft at 7 seconds. patchy fog in the
morning with vsby 1 nm or less. 
.wed night...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s
3 ft at 7 seconds and e 3 ft at 8 seconds. 
.thu...w winds around 5 kt, becoming s in the afternoon. seas
2 to 3 ft. wave detail: se 3 ft at 8 seconds and sw 2 ft at
5 seconds. 
.thu night...s winds around 10 kt. gusts up to 20 kt in the
evening. seas around 2 ft. wave detail: se 2 ft at 7 seconds. a
chance of showers after midnight. 
.fri...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: se 3 ft at 7 seconds and e 1 foot at
12 seconds. a chance of showers. 
.fri night...sw winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas 2 to 3 ft. a
chance of showers after midnight. 
.sat...ne winds around 5 kt. seas around 2 ft. a chance of
showers. 
.sat night through sun night...sw winds around 5 kt. seas around
2 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.

$$

fzus51 kbox 232004
cwfbox
expires:202606240900;;788368

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt tue jun 23 2026

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


anz254-240900-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
404 pm edt tue jun 23 2026

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

$$

fzus51 kbox 232004
cwfbox
expires:202606240900;;788369

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt tue jun 23 2026

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


anz255-240900-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
404 pm edt tue jun 23 2026

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

$$