fzus51 kbox 251704
cwfbox
expires:202605260600;;631007

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt mon may 25 2026

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


anz231-260600-
cape cod bay-
104 pm edt mon may 25 2026

.this afternoon...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. areas
of fog. a chance of showers. vsby 1 nm or less. 
.tonight...sw winds around 5 kt, becoming nw after midnight. seas
around 2 ft. wave detail: sw 1 foot at 2 seconds and e 1 foot at
5 seconds. areas of fog. vsby 1 to 3 nm. 
.tue...nw winds around 5 kt, becoming s 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas around 2 ft. wave detail: sw
1 foot at 2 seconds and e 1 foot at 6 seconds. areas of fog in
the morning with vsby 1 to 3 nm. 
.tue night...sw winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas around 2 ft. wave detail: sw 1 foot at 2 seconds
and e 1 foot at 6 seconds. 
.wed...sw winds 5 to 10 kt. seas around 2 ft. wave detail: sw
1 foot at 2 seconds and se 1 foot at 7 seconds. a chance of
showers in the afternoon. 
.wed night...w winds 5 to 10 kt, becoming n after midnight. seas
1 foot or less, then around 2 ft after midnight. wave detail: w
1 foot at 2 seconds and se 1 foot at 6 seconds, becoming nw
1 foot at 3 seconds and e 1 foot at 8 seconds. a chance of
showers in the evening. 
.thu through fri...ne winds 5 to 10 kt. seas around 2 ft. 
.fri night...sw winds 5 to 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 251704
cwfbox
expires:202605260600;;631011

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt mon may 25 2026

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


anz232-260600-
nantucket sound-
104 pm edt mon may 25 2026

.this afternoon...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. wave detail: sw 2 ft at 4 seconds and e 2 ft at
8 seconds. areas of fog. a chance of showers. vsby 1 nm or less. 
.tonight...sw winds 10 to 15 kt, becoming w 5 to 10 kt after
midnight. seas 2 to 4 ft. wave detail: sw 2 ft at 4 seconds and e
2 ft at 8 seconds. areas of fog. vsby 1 nm or less. 
.tue...ne winds around 5 kt, becoming s in the afternoon. seas
2 to 3 ft. wave detail: e 2 ft at 7 seconds and sw 1 foot at
7 seconds. areas of fog in the morning with vsby 1 to 3 nm. 
.tue night...sw winds 10 to 15 kt. seas 2 to 3 ft. wave detail:
sw 2 ft at 4 seconds and e 1 foot at 7 seconds. 
.wed...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: sw 2 ft at 4 seconds and se 1 foot
at 7 seconds. areas of fog in the morning with vsby 1 nm or less.
.wed night...w winds 10 to 15 kt with gusts up to 20 kt, becoming
n after midnight. seas 2 to 3 ft. wave detail: w 2 ft at
4 seconds and se 1 foot at 7 seconds. a chance of showers in the
evening. 
.thu through fri...n winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. 
.fri night...sw winds 10 to 15 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 251704
cwfbox
expires:202605260600;;631012

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt mon may 25 2026

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


anz233-260600-
vineyard sound-
104 pm edt mon may 25 2026

.this afternoon...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. wave detail: sw 3 ft at 4 seconds and se 3 ft at
8 seconds. areas of fog. a chance of showers. vsby 1 nm or less. 
.tonight...sw winds 10 to 15 kt, becoming w 5 to 10 kt after
midnight. seas 2 to 3 ft. wave detail: s 3 ft at 7 seconds. areas
of fog. vsby 1 nm or less. 
.tue...n winds around 5 kt, becoming sw 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: s 2 ft at 7 seconds.
areas of fog in the morning with vsby 1 to 3 nm. 
.tue night...sw winds 10 to 15 kt. seas 2 to 3 ft. wave detail: s
3 ft at 7 seconds. areas of fog after midnight with vsby 1 nm or
less. 
.wed...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: s 3 ft at 7 seconds. areas of fog in
the morning with vsby 1 to 3 nm.
.wed night...w winds 10 to 15 kt with gusts up to 20 kt, becoming
n after midnight. seas 2 to 3 ft. wave detail: sw 3 ft at
6 seconds and se 1 foot at 7 seconds. a chance of showers in the
evening. 
.thu through fri...w winds 10 to 15 kt. seas around 2 ft. 
.fri night...sw winds 10 to 15 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 251704
cwfbox
expires:202605260600;;631013

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt mon may 25 2026

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


anz234-260600-
buzzards bay-
104 pm edt mon may 25 2026

.this afternoon...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. areas of fog. a chance of showers. vsby 1 to 3 nm. 
.tonight...sw winds 5 to 10 kt, becoming nw after midnight. seas
2 to 3 ft. wave detail: sw 2 ft at 4 seconds and se 2 ft at
7 seconds. areas of fog. vsby 1 to 3 nm, decreasing to 1 nm or
less after midnight. 
.tue...ne winds around 5 kt, becoming sw 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas around 2 ft. wave detail: s
2 ft at 6 seconds. areas of fog in the morning with vsby 1 to
3 nm. 
.tue night...sw winds 10 to 15 kt. seas around 2 ft. wave detail:
sw 2 ft at 4 seconds and se 1 foot at 8 seconds. areas of fog
after midnight. 
.wed...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: sw 2 ft at 4 seconds and s 1 foot at
7 seconds. areas of fog in the morning with vsby 1 to 3 nm. 
.wed night...w winds 10 to 15 kt with gusts up to 20 kt, becoming
n 5 to 10 kt after midnight. seas around 2 ft. wave detail: s
2 ft at 6 seconds. 
.thu through fri...w winds 10 to 15 kt. seas around 2 ft. 
.fri night...sw winds 10 to 15 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 251704
cwfbox
expires:202605260600;;631014

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt mon may 25 2026

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


anz235-260600-
rhode island sound-
104 pm edt mon may 25 2026

.this afternoon...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 3 to 5 ft. wave detail: se 5 ft at 8 seconds and sw 3 ft at
7 seconds. areas of fog. a chance of showers. vsby 1 nm or less. 
.tonight...sw winds 10 to 15 kt, becoming nw 5 to 10 kt after
midnight. seas 3 to 5 ft. wave detail: se 5 ft at 8 seconds and
sw 3 ft at 11 seconds. areas of fog. vsby 1 nm or less. 
.tue...ne winds around 5 kt, becoming sw 10 to 15 kt in the
afternoon. seas 2 to 4 ft. wave detail: se 4 ft at 8 seconds and
s 2 ft at 7 seconds. areas of fog in the morning with vsby 1 nm
or less. 
.tue night...sw winds 10 to 15 kt. seas 2 to 3 ft. wave detail:
sw 3 ft at 7 seconds and se 3 ft at 8 seconds. areas of fog after
midnight with vsby 1 nm or less. 
.wed...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: s 3 ft at 7 seconds. areas of fog in
the morning with vsby 1 nm or less. 
.wed night...w winds 10 to 15 kt with gusts up to 20 kt, becoming
nw after midnight. seas 2 to 3 ft. wave detail: s 3 ft at
7 seconds. a chance of showers in the evening. 
.thu and thu night...n winds 10 to 15 kt, diminishing to 5 to
10 kt. seas 2 to 3 ft. a chance of showers. 
.fri...w winds 10 to 15 kt. seas around 2 ft. 
.fri night...sw 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 251704
cwfbox
expires:202605260600;;631017

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt mon may 25 2026

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


anz236-260600-
narragansett bay-
104 pm edt mon may 25 2026

.this afternoon...w winds around 10 kt. waves 2 to 3 ft. areas of
fog. a chance of showers. 
.tonight...sw winds 5 to 10 kt, becoming nw after midnight. waves
2 to 3 ft. areas of fog. vsby 1 nm or less after midnight. 
.tue...n winds around 5 kt, becoming s 10 to 15 kt in the
afternoon. waves around 2 ft. areas of fog in the morning with
vsby 1 nm or less. 
.tue night...sw winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. waves around 2 ft. 
.wed...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. waves around 2 ft. 
.wed night...w winds 5 to 10 kt, becoming nw after midnight.
waves around 2 ft. 
.thu and thu night...n winds 5 to 10 kt. waves around 2 ft. a
chance of showers. 
.fri...w winds 5 to 10 kt. waves around 2 ft. 
.fri night...sw winds around 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 251704
cwfbox
expires:202605260600;;631005

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt mon may 25 2026

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


anz250-260600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 pm edt mon may 25 2026

...small craft advisory in effect through late tonight...

.this afternoon...w winds 5 to 10 kt. seas 3 to 5 ft. wave
detail: se 5 ft at 8 seconds and sw 1 foot at 2 seconds. areas of
fog. a chance of showers. vsby 1 nm or less. 
.tonight...sw winds 5 to 10 kt, becoming nw after midnight. seas
3 to 5 ft. wave detail: se 5 ft at 8 seconds and sw 1 foot at
4 seconds. areas of fog. vsby 1 to 3 nm, decreasing to 1 nm or
less after midnight. 
.tue...w winds around 5 kt, becoming s 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 2 to 4 ft. wave detail: se 4 ft
at 8 seconds. areas of fog in the morning with vsby 1 nm or less.
.tue night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 4 ft. wave detail: se 3 ft at 8 seconds and s 2 ft at
3 seconds. 
.wed...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: sw 2 ft
at 4 seconds and se 2 ft at 7 seconds. 
.wed night...nw winds 5 to 10 kt, becoming n after midnight. seas
around 2 ft. wave detail: nw 2 ft at 3 seconds and se 2 ft at
7 seconds. 
.thu through fri...ne winds 5 to 10 kt. seas around 2 ft. 
.fri night...sw winds 10 to 15 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 251704
cwfbox
expires:202605260600;;631008

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt mon may 25 2026

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


anz254-260600-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
104 pm edt mon may 25 2026

...small craft advisory in effect through late tonight...

.this afternoon...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 4 to 6 ft. wave detail: se 6 ft at 8 seconds and sw 1 foot
at 6 seconds. areas of fog. a chance of showers. vsby 1 nm or
less. 
.tonight...sw winds 10 to 15 kt, becoming w 5 to 10 kt after
midnight. seas 4 to 6 ft. wave detail: se 5 ft at 8 seconds and
sw 1 foot at 5 seconds. areas of fog. vsby 1 nm or less. 
.tue...n winds around 5 kt, becoming sw in the afternoon. seas
3 to 4 ft. wave detail: s 4 ft at 7 seconds. areas of fog in the
morning with vsby 1 nm or less. 
.tue night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 4 ft. wave detail: sw 3 ft at 5 seconds and se 3 ft at
8 seconds. 
.wed...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 4 ft. wave detail: sw 3 ft at 6 seconds and se 3 ft at
7 seconds. 
.wed night...w winds 10 to 15 kt, becoming n after midnight. seas
2 to 3 ft. wave detail: w 3 ft at 6 seconds and se 2 ft at
7 seconds. a chance of showers in the evening. 
.thu through fri...n winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. 
.fri night...sw 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 251704
cwfbox
expires:202605260600;;631009

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt mon may 25 2026

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


anz255-260600-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
104 pm edt mon may 25 2026

...small craft advisory in effect through late tonight...

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

$$