fzus51 kbox 240247
cwfbox
expires:202604241600;;885524

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1047 pm edt thu apr 23 2026

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


anz231-241600-
cape cod bay-
1047 pm edt thu apr 23 2026

.tonight...n winds 5 to 10 kt. gusts up to 20 kt this evening.
seas around 2 ft this evening, then 1 foot or less. wave detail:
n 1 foot at 3 seconds and nw 1 foot at 3 seconds. 
.fri...n winds 5 to 10 kt, becoming ne in the afternoon. seas
around 2 ft. wave detail: n 1 foot at 3 seconds and n 1 foot at
4 seconds. 
.fri night...ne winds around 5 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...e winds around 5 kt. 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 and mon night...ne winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt. seas 2 to 3 ft. a chance of showers. 
.tue...ne winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. 
.tue night...e winds 5 to 10 kt. seas 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 240247
cwfbox
expires:202604241600;;885528

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1047 pm edt thu apr 23 2026

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


anz232-241600-
nantucket sound-
1047 pm edt thu apr 23 2026

.tonight...n winds 5 to 10 kt. seas around 2 ft. wave detail: n
1 foot at 3 seconds and nw 1 foot at 3 seconds. 
.fri...n winds 5 to 10 kt. seas around 2 ft. wave detail: n
1 foot at 3 seconds and e 1 foot at 6 seconds. 
.fri night...e winds around 5 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 with gusts up to 20 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 and mon night...ne winds 15 to 20 kt, diminishing to 10 to
15 kt. gusts up to 25 kt. seas 2 to 3 ft. a chance of showers. 
.tue...ne winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. 
.tue night...e winds 10 to 15 kt. seas 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 240247
cwfbox
expires:202604241600;;885529

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1047 pm edt thu apr 23 2026

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


anz233-241600-
vineyard sound-
1047 pm edt thu apr 23 2026

.tonight...n winds 5 to 10 kt. seas around 2 ft. wave detail: sw
2 ft at 6 seconds and n 1 foot at 4 seconds. 
.fri...n winds 5 to 10 kt, becoming e in the afternoon. seas
around 2 ft. wave detail: s 2 ft at 7 seconds and n 1 foot at
3 seconds. 
.fri night...se winds 5 to 10 kt, becoming e after midnight. 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 nw 1 foot at 6 seconds. 
.sat night...e winds 5 to 10 kt. 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 and sun night...ne winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: e 2 ft at 12 seconds and ne 1 foot
at 3 seconds. a chance of showers. 
.mon and mon night...ne winds 15 to 20 kt, diminishing to 10 to
15 kt. seas 2 to 3 ft. a chance of showers. 
.tue...ne winds 10 to 15 kt. seas around 2 ft. 
.tue night...e winds around 10 kt. seas around 2 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 240247
cwfbox
expires:202604241600;;885530

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1047 pm edt thu apr 23 2026

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


anz234-241600-
buzzards bay-
1047 pm edt thu apr 23 2026

.tonight...n winds 5 to 10 kt. gusts up to 20 kt this evening.
seas around 2 ft. wave detail: n 1 foot at 4 seconds and sw
1 foot at 6 seconds. 
.fri...n winds 5 to 10 kt, becoming e in the afternoon. seas
around 2 ft in the morning, then 1 foot or less. wave detail: n
1 foot at 2 seconds and n 1 foot at 3 seconds, becoming ne 1 foot
at 2 seconds and nw 1 foot at 4 seconds. 
.fri night...se winds 5 to 10 kt, becoming e after midnight. seas
1 foot or less. wave detail: e 1 foot at 2 seconds and se 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 5 to 10 kt. seas 1 foot or less. wave
detail: e 1 foot at 2 seconds and nw 1 foot at 4 seconds. 
.sun and 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. 
.mon through tue night...e winds 15 to 20 kt. seas 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 240247
cwfbox
expires:202604241600;;885531

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1047 pm edt thu apr 23 2026

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


anz235-241600-
rhode island sound-
1047 pm edt thu apr 23 2026

.tonight...n winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s
3 ft at 6 seconds and n 1 foot at 4 seconds. 
.fri...n winds around 10 kt, becoming se in the afternoon. seas
around 2 ft. wave detail: s 2 ft at 7 seconds and n 1 foot at
2 seconds. 
.fri night...se winds 5 to 10 kt, becoming e after midnight. seas
around 2 ft. wave detail: se 2 ft at 7 seconds and ne 1 foot at
2 seconds. 
.sat...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. 
.sat night through sun night...ne winds 15 to 20 kt. seas 2 to
3 ft. wave detail: e 3 ft at 9 seconds and e 2 ft at 3 seconds. a
chance of showers. 
.mon...ne winds 15 to 20 kt. seas 2 to 3 ft. wave detail: ne 2 ft
at 3 seconds and se 2 ft at 6 seconds. a chance of showers. 
.mon night...ne winds 10 to 15 kt with gusts up to 20 kt. seas
around 2 ft. 
.tue and tue night...ne winds 10 to 15 kt. seas 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 240247
cwfbox
expires:202604241600;;885534

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1047 pm edt thu apr 23 2026

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


anz236-241600-
narragansett bay-
1047 pm edt thu apr 23 2026

.tonight...n winds 5 to 10 kt. gusts up to 20 kt this evening.
waves around 2 ft. 
.fri...n winds 5 to 10 kt, becoming e in the afternoon. waves
around 2 ft. 
.fri night...s winds 5 to 10 kt, becoming e after midnight. waves
1 foot or less. 
.sat...ne winds 5 to 10 kt, becoming e in the afternoon. waves
1 foot or less. 
.sat night through sun night...ne winds 5 to 10 kt. waves around
2 ft. a chance of showers. 
.mon and mon night...ne winds 10 to 15 kt. gusts up to 20 kt.
waves 2 to 3 ft. 
.tue and tue night...ne winds 5 to 10 kt. waves around 2 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 240247
cwfbox
expires:202604241600;;885522

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1047 pm edt thu apr 23 2026

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


anz250-241600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1047 pm edt thu apr 23 2026

.tonight...n winds 5 to 10 kt. gusts up to 20 kt this evening.
seas 2 to 3 ft. wave detail: n 2 ft at 4 seconds and se 2 ft at
7 seconds. 
.fri...n winds around 10 kt, becoming e in the afternoon. seas
2 to 3 ft. wave detail: n 2 ft at 5 seconds and nw 1 foot at
3 seconds. 
.fri night...e winds around 5 kt, becoming ne 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 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 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. 
.tue night...e winds 10 to 15 kt with gusts up to 20 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 240247
cwfbox
expires:202604241600;;885525

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1047 pm edt thu apr 23 2026

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


anz254-241600-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1047 pm edt thu apr 23 2026

.tonight...nw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
2 ft at 7 seconds and n 1 foot at 3 seconds. 
.fri...n winds 5 to 10 kt. seas 2 to 3 ft. wave detail: n 2 ft at
4 seconds and se 2 ft at 7 seconds. 
.fri night...n winds 5 to 10 kt. seas around 2 ft. wave detail:
ne 2 ft at 5 seconds and se 2 ft at 7 seconds. 
.sat...ne 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 and sun...ne winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: e 3 ft at 14 seconds and n 2 ft at 4 seconds. 
.sun night...ne winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 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. 
.mon and mon night...ne winds 15 to 20 kt, diminishing to 10 to
15 kt. gusts up to 25 kt. seas 2 to 3 ft. a chance of showers. 
.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. 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 240247
cwfbox
expires:202604241600;;885526

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1047 pm edt thu apr 23 2026

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


anz255-241600-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1047 pm edt thu apr 23 2026

.tonight...n winds 5 to 10 kt. seas 2 to 3 ft. wave detail: sw
3 ft at 7 seconds and e 2 ft at 8 seconds. 
.fri...n winds 5 to 10 kt. seas 2 to 3 ft. wave detail: n 2 ft at
3 seconds and s 2 ft at 7 seconds. 
.fri night...se winds around 5 kt, becoming ne after midnight.
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 5 to 10 kt. seas 2 to 3 ft. wave detail: ne
3 ft at 10 seconds and e 3 ft at 15 seconds. 
.sun and sun night...ne winds 15 to 20 kt. seas 2 to 3 ft. wave
detail: e 3 ft at 12 seconds and ne 2 ft at 3 seconds. a chance
of showers. 
.mon and mon night...ne winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 3 ft. a chance of showers. 
.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. seas 3 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.

$$