fzus51 kbox 300204
cwfbox
expires:202604301500;;757635

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt wed apr 29 2026

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


anz250-301500-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1004 pm edt wed apr 29 2026

...small craft advisory in effect through friday morning...

.overnight...e winds 10 to 15 kt. gusts up to 20 kt. seas 5 to
7 ft. wave detail: e 7 ft at 10 seconds and e 1 foot at
2 seconds. patchy fog. a chance of showers. a slight chance of
tstms. vsby 1 nm or less. 
.thu...se winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt in the afternoon. seas 5 to 7 ft. wave detail: e
7 ft at 10 seconds and se 2 ft at 5 seconds. patchy fog. showers.
vsby 1 nm or less. 
.thu night...w winds 5 to 10 kt, becoming nw 10 to 15 kt after
midnight. seas 4 to 6 ft. wave detail: e 6 ft at 10 seconds and
ne 2 ft at 6 seconds. 
.fri...w winds 10 to 15 kt with gusts up to 20 kt, diminishing to
5 to 10 kt in the afternoon. seas 4 to 6 ft. wave detail: e 5 ft
at 10 seconds and w 2 ft at 3 seconds. 
.fri night...w winds around 10 kt. seas 4 to 5 ft. wave detail: e
4 ft at 9 seconds and w 1 foot at 3 seconds. 
.sat and sat night...w winds 5 to 10 kt. seas 3 to 5 ft. wave
detail: sw 5 ft at 3 seconds and e 4 ft at 9 seconds. a chance of
showers. 
.sun...nw winds 5 to 10 kt. seas around 3 ft. a chance of
showers. 
.sun night through mon night...s winds 15 to 20 kt with gusts up
to 25 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 300204
cwfbox
expires:202604301500;;757644

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt wed apr 29 2026

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


anz235-301500-
rhode island sound-
1004 pm edt wed apr 29 2026

.overnight...e winds 5 to 10 kt, becoming se. seas 2 to 4 ft.
wave detail: se 4 ft at 10 seconds and se 2 ft at 5 seconds.
patchy fog. a chance of showers. vsby 1 to 3 nm, decreasing to
1 nm or less. 
.thu...se winds 5 to 10 kt, becoming s in the afternoon. seas
2 to 4 ft. wave detail: se 4 ft at 10 seconds and se 2 ft at
5 seconds. patchy fog. showers likely. vsby 1 nm or less,
increasing to 1 to 3 nm in the afternoon. 
.thu night...w winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. seas 3 to 4 ft. wave detail: s 3 ft at 6 seconds and se
3 ft at 10 seconds. 
.fri...w winds 15 to 20 kt. seas 3 to 4 ft. wave detail: w 3 ft
at 4 seconds and se 3 ft at 10 seconds. 
.fri night...w winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas 2 to 4 ft. wave
detail: sw 3 ft at 4 seconds and se 2 ft at 10 seconds. 
.sat and sat night...nw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: s 3 ft at 5 seconds and se 2 ft at 9 seconds. a chance of
showers. 
.sun...w winds 15 to 20 kt. seas 2 to 3 ft. a chance of showers. 
.sun night and mon...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. 
.mon night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. a chance of showers.  

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 300204
cwfbox
expires:202604301500;;757647

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt wed apr 29 2026

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


anz236-301500-
narragansett bay-
1004 pm edt wed apr 29 2026

.overnight...e winds around 5 kt. waves around 2 ft. patchy fog.
a chance of showers. vsby 1 to 3 nm, decreasing to 1 nm or less. 
.thu...s winds around 5 kt. waves around 2 ft. patchy fog.
showers likely. vsby 1 nm or less, increasing to 1 to 3 nm in the
afternoon. 
.thu night...w winds 5 to 10 kt. waves around 2 ft. 
.fri...w winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
waves around 2 ft. 
.fri night...w winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. waves around 2 ft. 
.sat and sat night...nw winds 5 to 10 kt. waves around 2 ft. a
chance of showers. 
.sun...nw winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. a chance of showers. 
.sun night and mon...w winds 10 to 15 kt, becoming sw 15 to
20 kt. gusts up to 25 kt. waves 2 to 3 ft. 
.mon night...sw winds 10 to 15 kt with gusts up to 20 kt. waves
2 to 4 ft. a chance of showers.  

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 300204
cwfbox
expires:202604301500;;757637

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt wed apr 29 2026

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


anz231-301500-
cape cod bay-
1004 pm edt wed apr 29 2026

.overnight...e winds 5 to 10 kt. seas 2 to 3 ft. wave detail: ne
2 ft at 10 seconds and n 1 foot at 3 seconds. patchy fog. a
slight chance of showers, then showers likely with a slight
chance of tstms. vsby 1 nm or less. 
.thu...se winds 5 to 10 kt. seas 2 to 3 ft. wave detail: ne 2 ft
at 11 seconds and se 1 foot at 2 seconds. patchy fog. showers.
vsby 1 nm or less. 
.thu night...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: ne
2 ft at 11 seconds and sw 1 foot at 2 seconds. 
.fri...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: nw 1 foot
at 3 seconds and ne 1 foot at 5 seconds. 
.fri night...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: w
1 foot at 3 seconds and ne 1 foot at 5 seconds. 
.sat and sat night...w winds 5 to 10 kt. seas around 2 ft. wave
detail: w 1 foot at 3 seconds and e 1 foot at 4 seconds. a chance
of showers. 
.sun...nw winds 5 to 10 kt. seas around 2 ft. a chance of
showers. 
.sun night through mon night...sw winds 10 to 15 kt with gusts up
to 25 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 300204
cwfbox
expires:202604301500;;757641

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt wed apr 29 2026

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


anz232-301500-
nantucket sound-
1004 pm edt wed apr 29 2026

.overnight...e winds 5 to 10 kt. seas 2 to 4 ft. wave detail: e
2 ft at 5 seconds and e 2 ft at 10 seconds. patchy fog. a chance
of showers with a slight chance of tstms. vsby 1 nm or less. 
.thu...se winds 5 to 10 kt. seas 2 to 4 ft. wave detail: se 2 ft
at 5 seconds and se 2 ft at 11 seconds. patchy fog. showers. vsby
1 nm or less, increasing to 1 to 3 nm in the afternoon. 
.thu night...w winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. seas 2 to 4 ft. wave detail: e 2 ft at 5 seconds and e
2 ft at 10 seconds. patchy fog in the evening. 
.fri...w winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 4 ft. wave detail: w 2 ft at 3 seconds and e 2 ft at
5 seconds. 
.fri night...w winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas 2 to 4 ft. wave
detail: w 2 ft at 4 seconds and e 2 ft at 10 seconds. 
.sat and sat night...nw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: e 2 ft at 9 seconds and w 1 foot at 3 seconds. a chance
of showers. 
.sun...nw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. a chance of showers. 
.sun night through mon night...sw winds 15 to 20 kt with gusts up
to 25 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 300204
cwfbox
expires:202604301500;;757642

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt wed apr 29 2026

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


anz233-301500-
vineyard sound-
1004 pm edt wed apr 29 2026

.overnight...e winds 5 to 10 kt, becoming se. seas 2 to 3 ft.
wave detail: s 1 foot at 4 seconds and ne 1 foot at 4 seconds.
patchy fog. a chance of showers. vsby 1 to 3 nm, decreasing to
1 nm or less. 
.thu...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e 1 foot
at 5 seconds and sw 1 foot at 5 seconds. patchy fog. showers.
vsby 1 nm or less, increasing to 1 to 3 nm in the afternoon. 
.thu night...w winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. seas 2 to 3 ft. wave detail: w 2 ft at 4 seconds and e
1 foot at 5 seconds. 
.fri...w winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: sw 3 ft at 5 seconds and e 1 foot at
5 seconds. 
.fri night...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: sw 3 ft at 5 seconds and e 1 foot at 5 seconds. 
.sat and sat night...nw winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 2 ft at 5 seconds and sw 2 ft at 8 seconds. a chance
of showers. 
.sun...w winds 15 to 20 kt. seas 2 to 3 ft. a chance of showers. 
.sun night through mon night...sw winds 15 to 20 kt with gusts up
to 25 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 300204
cwfbox
expires:202604301500;;757643

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt wed apr 29 2026

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


anz234-301500-
buzzards bay-
1004 pm edt wed apr 29 2026

.overnight...e winds 5 to 10 kt, becoming se. seas around 2 ft.
wave detail: ne 1 foot at 2 seconds and s 1 foot at 4 seconds.
patchy fog. showers likely. vsby 1 nm or less. 
.thu...s winds around 5 kt. seas around 2 ft. wave detail: s
1 foot at 4 seconds and se 1 foot at 11 seconds. patchy fog.
showers likely. vsby 1 nm or less, increasing to 1 to 3 nm in the
afternoon. 
.thu night...w winds 5 to 10 kt. seas around 2 ft. wave detail:
sw 1 foot at 2 seconds and e 1 foot at 5 seconds. 
.fri...w winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and e 1 foot at
5 seconds. 
.fri night...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: sw 3 ft at 5 seconds and e 1 foot at 5 seconds. 
.sat and sat night...nw winds 5 to 10 kt. seas around 2 ft. wave
detail: n 2 ft at 8 seconds and sw 1 foot at 4 seconds. a chance
of showers. 
.sun...w winds 15 to 20 kt. seas around 2 ft. a chance of
showers. 
.sun night through mon night...sw winds 15 to 20 kt with gusts up
to 25 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 292304
cwfbox
expires:202604301200;;751341

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 pm edt wed apr 29 2026

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


anz255-301200-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
704 pm edt wed apr 29 2026

...small craft advisory in effect through friday morning...

.tonight...e winds 5 to 10 kt, becoming se after midnight. seas
4 to 6 ft. wave detail: e 6 ft at 6 seconds and e 6 ft at
10 seconds. patchy fog. a slight chance of showers this evening,
then a chance of showers with a slight chance of tstms after
midnight. vsby 1 nm or less. 
.thu...s winds 5 to 10 kt. seas 4 to 6 ft. wave detail: se 6 ft
at 6 seconds and se 6 ft at 10 seconds. patchy fog. showers
likely. vsby 1 nm or less, increasing to 1 to 3 nm in the
afternoon. 
.thu night...w winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. seas 4 to 6 ft. wave detail: se 5 ft at 10 seconds and
w 3 ft at 4 seconds. patchy fog in the evening. 
.fri...w winds around 15 kt with gusts up to 20 kt. seas 4 to
6 ft. wave detail: w 4 ft at 5 seconds and se 4 ft at 10 seconds.
.fri night...w winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 3 to 5 ft. wave detail: w 4 ft at 5 seconds and se
4 ft at 9 seconds. 
.sat...sw winds 5 to 10 kt, becoming s in the afternoon. seas
3 to 4 ft. wave detail: e 3 ft at 9 seconds and sw 2 ft at
5 seconds. a chance of showers in the afternoon. 
.sat night...s winds 5 to 10 kt, becoming n after midnight. seas
3 to 4 ft. a chance of showers in the evening, then showers
likely after midnight. 
.sun...nw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. a chance of showers. 
.sun night through mon night...sw winds 15 to 20 kt with gusts up
to 25 kt. seas 3 to 5 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 292304
cwfbox
expires:202604301200;;751340

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 pm edt wed apr 29 2026

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


anz254-301200-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
704 pm edt wed apr 29 2026

...small craft advisory in effect through friday morning...

.tonight...e winds 5 to 10 kt. seas 5 to 7 ft. wave detail: e
7 ft at 10 seconds and e 3 ft at 5 seconds. patchy fog. a slight
chance of showers this evening, then a chance of showers with a
slight chance of tstms after midnight. vsby 1 nm or less. 
.thu...se winds 5 to 10 kt. gusts up to 20 kt in the morning.
seas 5 to 7 ft. wave detail: e 7 ft at 10 seconds and s 3 ft at
5 seconds. patchy fog. showers. vsby 1 nm or less. 
.thu night...sw winds 5 to 10 kt, becoming w 10 to 15 kt after
midnight. seas 4 to 6 ft. wave detail: e 6 ft at 10 seconds and e
3 ft at 5 seconds. patchy fog in the evening. a chance of showers
in the evening with vsby 1 to 3 nm. 
.fri...w winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 4 to 5 ft. wave detail: e 5 ft at 10 seconds and e 3 ft at
5 seconds. 
.fri night...w winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 3 to 5 ft. wave detail: e 5 ft at 9 seconds and sw
2 ft at 4 seconds. 
.sat...sw winds 5 to 10 kt, becoming s in the afternoon. seas
3 to 5 ft. wave detail: e 4 ft at 9 seconds and e 2 ft at
5 seconds. a chance of showers in the afternoon. 
.sat night...s winds 5 to 10 kt, becoming e after midnight. seas
3 to 4 ft. a chance of showers in the evening, then showers
likely after midnight. 
.sun...nw winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
4 ft. a chance of showers. 
.sun night through mon night...sw winds 15 to 20 kt with gusts up
to 25 kt. seas 3 to 5 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.

$$