fzus51 kbox 241828
cwfbox
expires:202604250700;;453466

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
228 pm edt fri apr 24 2026

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


anz231-250700-
cape cod bay-
228 pm edt fri apr 24 2026

.this afternoon...ne winds 5 to 10 kt. seas around 2 ft. wave
detail: n 1 foot at 5 seconds and se 1 foot at 7 seconds. 
.tonight...ne winds 5 to 10 kt. seas around 2 ft in the evening,
then 1 foot or less. wave detail: n 1 foot at 4 seconds and n
1 foot at 5 seconds. 
.sat...ne winds 5 to 10 kt. seas 1 foot or less, then around 2 ft
in the afternoon. wave detail: n 1 foot at 3 seconds and n 1 foot
at 4 seconds, becoming ne 1 foot at 3 seconds and n 1 foot at
3 seconds. 
.sat night...se winds around 5 kt, becoming sw after midnight.
seas around 2 ft. wave detail: n 1 foot at 4 seconds and se
1 foot at 6 seconds. 
.sun and sun night...ne winds 5 to 10 kt. seas around 2 ft. wave
detail: e 2 ft at 10 seconds and n 1 foot at 4 seconds. 
.mon through tue...ne winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: n 2 ft at 3 seconds and e 2 ft at
3 seconds. 
.tue night...e winds 5 to 10 kt. seas 3 to 5 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 241828
cwfbox
expires:202604250700;;453470

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
228 pm edt fri apr 24 2026

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


anz232-250700-
nantucket sound-
228 pm edt fri apr 24 2026

.this afternoon...ne winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: nw 1 foot at 2 seconds and ne
1 foot at 3 seconds. 
.tonight...e winds 5 to 10 kt, becoming ne after midnight. seas
1 foot or less. wave detail: ne 1 foot at 3 seconds and nw 1 foot
at 3 seconds. 
.sat...ne winds 5 to 10 kt. seas around 2 ft. wave detail: ne
1 foot at 2 seconds and nw 1 foot at 5 seconds. 
.sat night...e winds around 5 kt. seas around 2 ft. wave detail:
e 2 ft at 9 seconds and e 1 foot at 3 seconds. 
.sun and sun night...ne winds 10 to 15 kt. seas around 2 ft. wave
detail: e 2 ft at 11 seconds and e 1 foot at 4 seconds. a chance
of showers. 
.mon...ne winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. wave detail: ne 2 ft at 3 seconds and se 2 ft at 6 seconds.
a chance of showers.
.mon night and tue...ne winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. 
.tue night...ne winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 5 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 241828
cwfbox
expires:202604250700;;453471

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
228 pm edt fri apr 24 2026

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


anz233-250700-
vineyard sound-
228 pm edt fri apr 24 2026

.this afternoon...e winds 5 to 10 kt. seas around 2 ft. wave
detail: nw 1 foot at 2 seconds and ne 1 foot at 2 seconds. 
.tonight...e winds 5 to 10 kt. seas 1 foot or less. wave detail:
e 1 foot at 2 seconds and nw 1 foot at 4 seconds. 
.sat...ne winds 5 to 10 kt. seas 1 foot or less. wave detail: ne
1 foot at 2 seconds and sw 1 foot at 6 seconds. 
.sat night...e winds 5 to 10 kt, diminishing to around 5 kt after
midnight. seas 1 foot or less, then around 2 ft after midnight.
wave detail: e 1 foot at 2 seconds and nw 1 foot at 4 seconds. 
.sun...e winds 5 to 10 kt. seas around 2 ft. wave detail: ne
1 foot at 3 seconds and s 1 foot at 7 seconds. a chance of
showers. 
.sun night...ne winds 10 to 15 kt. seas around 2 ft. wave detail:
e 2 ft at 12 seconds and ne 1 foot at 3 seconds. a chance of
showers. patchy fog after midnight with vsby 1 nm or less. 
.mon...ne winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. patchy dense fog. vsby 1 nm or less. 
.mon night through tue night...ne winds 10 to 15 kt with gusts up
to 20 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 241828
cwfbox
expires:202604250700;;453472

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
228 pm edt fri apr 24 2026

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


anz234-250700-
buzzards bay-
228 pm edt fri apr 24 2026

.this afternoon...ne winds 15 to 20 kt. seas 1 foot or less. wave
detail: ne 1 foot at 2 seconds and nw 1 foot at 4 seconds. 
.tonight...e winds 5 to 10 kt. seas 1 foot or less. wave detail:
e 1 foot at 2 seconds and nw 1 foot at 5 seconds. 
.sat...ne winds 5 to 10 kt. seas 1 foot or less. wave detail: ne
1 foot at 2 seconds and nw 1 foot at 4 seconds. 
.sat night...e winds around 5 kt. seas 1 foot or less. wave
detail: e 1 foot at 2 seconds and nw 1 foot at 4 seconds. 
.sun...e winds 5 to 10 kt. seas 1 foot or less, then around 2 ft
in the afternoon. wave detail: ne 1 foot at 3 seconds and s
1 foot at 6 seconds, becoming ne 1 foot at 3 seconds and s 1 foot
at 7 seconds. a chance of showers in the afternoon. 
.sun night...ne winds 10 to 15 kt. seas around 2 ft. wave detail:
e 2 ft at 12 seconds and ne 1 foot at 3 seconds. a chance of
showers. patchy fog after midnight with vsby 1 nm or less. 
.mon through tue night...ne winds 10 to 15 kt with gusts up to
20 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 241828
cwfbox
expires:202604250700;;453473

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
228 pm edt fri apr 24 2026

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


anz235-250700-
rhode island sound-
228 pm edt fri apr 24 2026

.this afternoon...se winds 10 to 15 kt. seas around 2 ft. wave
detail: se 2 ft at 7 seconds and ne 1 foot at 2 seconds. 
.tonight...se winds 10 to 15 kt, becoming e 5 to 10 kt after
midnight. seas around 2 ft. wave detail: se 2 ft at 7 seconds and
ne 1 foot at 2 seconds. 
.sat...ne winds 5 to 10 kt, becoming se in the afternoon. seas
around 2 ft. wave detail: e 1 foot at 3 seconds and w 1 foot at
4 seconds. 
.sat night...e winds 5 to 10 kt. seas around 2 ft. wave detail: e
1 foot at 3 seconds and w 1 foot at 4 seconds. a chance of
showers after midnight. 
.sun...e winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: ne 2 ft at 4 seconds and
s 2 ft at 7 seconds. a chance of showers. 
.sun night...ne winds 10 to 15 kt. seas 2 to 3 ft. wave detail: e
3 ft at 9 seconds and se 2 ft at 5 seconds. patchy dense fog. a
chance of showers. vsby 1 nm or less. 
.mon...ne winds around 15 kt with gusts up to 20 kt. seas 2 to
3 ft. widespread dense fog. vsby 1 nm or less. 
.mon night through tue night...ne winds 15 to 20 kt. seas 2 to
4 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 241828
cwfbox
expires:202604250700;;453476

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
228 pm edt fri apr 24 2026

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


anz236-250700-
narragansett bay-
228 pm edt fri apr 24 2026

.this afternoon...se winds 10 to 15 kt. waves 1 foot or less. 
.tonight...se winds 10 to 15 kt, becoming e around 5 kt after
midnight. waves 1 foot or less. 
.sat...ne winds around 5 kt, becoming se in the afternoon. waves
1 foot or less. 
.sat night...se winds 5 to 10 kt, becoming e after midnight.
waves 1 foot or less. 
.sun...e winds 5 to 10 kt. waves around 2 ft. a chance of
showers. 
.sun night...ne winds 5 to 10 kt. waves around 2 ft. a chance of
showers in the evening. patchy fog after midnight with vsby 1 nm
or less. 
.mon...ne winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. patchy dense fog. vsby 1 nm or less. 
.mon night and tue...ne winds 10 to 15 kt. waves around 2 ft. 
.tue night...ne winds 10 to 15 kt. waves 2 to 3 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 241828
cwfbox
expires:202604250700;;453464

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
228 pm edt fri apr 24 2026

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


anz250-250700-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
228 pm edt fri apr 24 2026

.this afternoon...e winds 5 to 10 kt. seas around 2 ft. wave
detail: ne 2 ft at 5 seconds and nw 1 foot at 3 seconds. 
.tonight...ne winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. seas around 2 ft. wave detail: e 2 ft at 6 seconds and
nw 1 foot at 3 seconds. 
.sat...ne winds 5 to 10 kt. seas 2 to 3 ft. wave detail: nw 3 ft
at 4 seconds and ne 2 ft at 4 seconds. 
.sat night...s winds around 5 kt, becoming w around 5 kt after
midnight. seas 2 to 3 ft. wave detail: e 3 ft at 9 seconds and e
3 ft at 13 seconds. 
.sun and sun night...ne winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: nw 2 ft at 2 seconds and e 2 ft at 10 seconds. 
.mon through tue...ne winds 5 to 10 kt. seas around 2 ft. wave
detail: nw 2 ft at 3 seconds and ne 2 ft at 3 seconds. 
.tue night...e winds around 10 kt. seas 4 to 6 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 241828
cwfbox
expires:202604250700;;453467

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
228 pm edt fri apr 24 2026

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


anz254-250700-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
228 pm edt fri apr 24 2026

.this afternoon...n winds 10 to 15 kt. seas 2 to 3 ft. wave
detail: ne 2 ft at 6 seconds and se 2 ft at 7 seconds. 
.tonight...ne winds 5 to 10 kt, becoming n 10 to 15 kt after
midnight. seas around 2 ft. wave detail: ne 2 ft at 5 seconds and
se 2 ft at 7 seconds. 
.sat...n winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 2 ft
at 7 seconds and e 2 ft at 15 seconds. 
.sat night...ne winds around 5 kt. seas 2 to 3 ft. wave detail: e
3 ft at 14 seconds and n 2 ft at 4 seconds. 
.sun...ne winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e 3 ft
at 13 seconds and n 1 foot at 4 seconds. 
.sun night...e winds 5 to 10 kt, becoming ne 10 to 15 kt after
midnight. seas 2 to 3 ft. wave detail: e 2 ft at 12 seconds and
ne 1 foot at 4 seconds. a chance of showers after midnight. 
.mon through tue...ne winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. 
.tue night...e winds 10 to 15 kt with gusts up to 20 kt. seas
5 to 7 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 241828
cwfbox
expires:202604250700;;453468

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
228 pm edt fri apr 24 2026

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


anz255-250700-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
228 pm edt fri apr 24 2026

.this afternoon...ne winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: s 2 ft at 7 seconds and n 1 foot
at 3 seconds. 
.tonight...ne winds 5 to 10 kt. seas around 2 ft. wave detail: s
2 ft at 6 seconds and n 1 foot at 3 seconds. 
.sat...ne winds 5 to 10 kt. seas 2 to 3 ft. wave detail: ne 2 ft
at 6 seconds and se 2 ft at 15 seconds. 
.sat night...e winds around 5 kt. seas 2 to 3 ft. wave detail: ne
3 ft at 10 seconds and e 3 ft at 15 seconds. 
.sun...e winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: e 3 ft at 12 seconds and
ne 2 ft at 3 seconds. a chance of showers. 
.sun night...ne winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 3 ft. wave detail: e 3 ft at 13 seconds and
ne 2 ft at 4 seconds. patchy fog. a chance of showers. vsby 1 to
3 nm, decreasing to 1 nm or less after midnight. 
.mon...ne winds 15 to 20 kt. seas 2 to 3 ft. patchy fog. a chance
of showers. vsby 1 nm or less. 
.mon night...ne winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 3 ft. patchy fog. vsby 1 nm or less. 
.tue...ne winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
3 ft. patchy fog. vsby 1 nm or less. 
.tue night...ne winds 10 to 15 kt with gusts up to 20 kt. seas
5 to 7 ft. patchy fog. vsby 1 to 3 nm.  

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.

$$