fzus51 kbox 240504
cwfbox
expires:202608241800;;261106

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt mon aug 24 2026

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


anz231-241800-
cape cod bay-
104 am edt mon aug 24 2026

.rest of tonight...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 1 foot at 3 seconds and ne 1 foot at 4 seconds. areas
of dense fog. vsby 1 nm or less.
.mon...sw winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. gusts up to 25 kt. seas 2 to 3 ft. wave detail: sw
2 ft at 3 seconds and ne 1 foot at 4 seconds. areas of dense fog
in the morning with vsby 1 nm or less. 
.mon night...sw winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas around 2 ft. wave
detail: sw 2 ft at 3 seconds and e 1 foot at 6 seconds. 
.tue...sw winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
seas around 2 ft. wave detail: se 2 ft at 7 seconds and sw 1 foot
at 3 seconds. 
.tue night...w winds 5 to 10 kt. seas around 2 ft in the evening,
then 1 foot or less. wave detail: s 1 foot at 4 seconds and se
1 foot at 11 seconds, becoming w 1 foot at 2 seconds and s 1 foot
at 3 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: nw 1 foot at 3 seconds and se 1 foot at 6 seconds. 
.thu...s winds 5 to 10 kt with gusts up to 20 kt. seas around
2 ft. 
.thu night and fri...s winds 5 to 10 kt. seas around 2 ft. a
chance of showers. 
.fri night...sw winds 5 to 10 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 240504
cwfbox
expires:202608241800;;261110

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt mon aug 24 2026

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


anz232-241800-
nantucket sound-
104 am edt mon aug 24 2026

.rest of tonight...sw winds around 10 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: sw 1 foot at 3 seconds and se
1 foot at 6 seconds. 
.mon...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: sw 2 ft at 3 seconds and se 1 foot at
6 seconds. 
.mon night...sw winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: sw 2 ft at 3 seconds and se
1 foot at 6 seconds. 
.tue...w winds 10 to 15 kt, becoming sw 15 to 20 kt in the
afternoon. seas 2 to 3 ft. wave detail: w 2 ft at 3 seconds and
se 2 ft at 6 seconds. 
.tue night through wed night...sw winds 15 to 20 kt. seas 2 to
3 ft. wave detail: w 2 ft at 4 seconds and se 2 ft at 6 seconds. 
.thu...s winds 10 to 15 kt. seas around 2 ft. wave detail: sw
2 ft at 3 seconds and e 1 foot at 9 seconds. 
.thu night and fri...s winds 10 to 15 kt. gusts up to 20 kt. seas
around 2 ft. a chance of showers. 
.fri night...sw winds 10 to 15 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 240504
cwfbox
expires:202608241800;;261111

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt mon aug 24 2026

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


anz233-241800-
vineyard sound-
104 am edt mon aug 24 2026

.rest of tonight...sw winds around 10 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: se 2 ft at 7 seconds and sw 1 foot
at 4 seconds. 
.mon...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 7 seconds.
.mon night...sw winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: sw 2 ft at 4 seconds and s
2 ft at 7 seconds. 
.tue...w winds 10 to 15 kt, becoming sw 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: s 4 ft
at 5 seconds and se 1 foot at 11 seconds. 
.tue night through wed night...sw winds 10 to 15 kt with gusts up
to 20 kt. seas 2 to 3 ft. wave detail: s 3 ft at 6 seconds and se
1 foot at 11 seconds. 
.thu...s winds 10 to 15 kt. seas around 2 ft. wave detail: sw
2 ft at 5 seconds and se 1 foot at 8 seconds. 
.thu night...s winds around 10 kt. seas around 2 ft. a chance of
showers. 
.fri...s winds 10 to 15 kt. seas around 2 ft. a chance of
showers. 
.fri night...sw winds 5 to 10 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 240504
cwfbox
expires:202608241800;;261112

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt mon aug 24 2026

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


anz234-241800-
buzzards bay-
104 am edt mon aug 24 2026

.rest of tonight...sw winds 5 to 10 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: sw 1 foot at 4 seconds and e
1 foot at 6 seconds. areas of dense fog. vsby 1 nm or less. 
.mon...sw winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. gusts up to 25 kt. seas 2 to 3 ft. wave detail: sw
2 ft at 3 seconds and s 2 ft at 6 seconds. areas of dense fog in
the morning with vsby 1 nm or less. 
.mon 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: s 2 ft at 5 seconds and se 1 foot at 11 seconds. 
.tue...w winds 10 to 15 kt, becoming sw 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: s 3 ft
at 5 seconds and se 1 foot at 11 seconds. 
.tue 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: s 3 ft at 5 seconds and se 1 foot at 11 seconds. 
.wed and wed night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: s 2 ft at 6 seconds and se 1 foot
at 10 seconds. 
.thu...s winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. 
.thu night and fri...s winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. a chance of showers. 
.fri night...sw winds 5 to 10 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 240504
cwfbox
expires:202608241800;;261113

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt mon aug 24 2026

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


anz235-241800-
rhode island sound-
104 am edt mon aug 24 2026

.rest of tonight...sw winds 5 to 10 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: se 3 ft at 7 seconds and w 1 foot at
4 seconds. 
.mon...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: s 3 ft
at 7 seconds and w 1 foot at 3 seconds. 
.mon night...sw winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: s 3 ft at 7 seconds and w
1 foot at 4 seconds. 
.tue...w winds 10 to 15 kt, becoming sw 15 to 20 kt in the
afternoon. seas 2 to 3 ft. wave detail: sw 3 ft at 5 seconds and
se 1 foot at 11 seconds.
.tue 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 se 1 foot at 11 seconds. 
.wed and wed night...sw winds 10 to 15 kt. seas 2 to 3 ft. wave
detail: sw 3 ft at 5 seconds and se 2 ft at 9 seconds. 
.thu...s winds 10 to 15 kt. seas 2 to 3 ft. 
.thu night...s winds 10 to 15 kt. seas 2 to 3 ft. a chance of
showers. 
.fri...s winds around 10 kt. seas 2 to 3 ft. a chance of showers.
.fri night...w winds 5 to 10 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 240504
cwfbox
expires:202608241800;;261116

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt mon aug 24 2026

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


anz236-241800-
narragansett bay-
104 am edt mon aug 24 2026

.rest of tonight...sw winds 5 to 10 kt. waves around 2 ft. 
.mon...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. waves 2 to 3 ft. 
.mon night...sw winds 5 to 10 kt. gusts up to 20 kt in the
evening. waves around 2 ft. 
.tue...w winds 5 to 10 kt, becoming sw 10 to 15 kt with gusts up
to 20 kt in the afternoon. waves 2 to 3 ft. 
.tue night...w winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. waves around 2 ft. 
.wed and wed night...sw winds 5 to 10 kt. waves around 2 ft. 
.thu...s winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. 
.thu night...s winds 5 to 10 kt. waves around 2 ft. a chance of
showers. 
.fri...s winds 5 to 10 kt. waves around 2 ft. a chance of
showers. 
.fri night...w winds 5 to 10 kt. 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 240504
cwfbox
expires:202608241800;;261104

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt mon aug 24 2026

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


anz250-241800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 am edt mon aug 24 2026

.rest of tonight...sw winds around 10 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 7 seconds and s 2 ft at 4 seconds. areas of
fog. 
.mon...sw winds 5 to 10 kt, becoming s 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: se 3 ft
at 7 seconds and sw 2 ft at 4 seconds. 
.mon night...sw winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: sw 2 ft at 3 seconds and se
2 ft at 6 seconds. 
.tue...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 2 ft
at 6 seconds and sw 1 foot at 3 seconds. 
.tue night...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s
2 ft at 4 seconds and se 1 foot at 11 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 10 seconds and w 1 foot at 3 seconds. 
.thu...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. 
.thu night and fri...s winds 10 to 15 kt. gusts up to 20 kt. seas
2 to 3 ft. a chance of showers. 
.fri night...sw winds 5 to 10 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 240504
cwfbox
expires:202608241800;;261107

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt mon aug 24 2026

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


anz254-241800-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
104 am edt mon aug 24 2026

.rest of tonight...sw winds around 10 kt with gusts up to 20 kt.
seas 2 to 4 ft. wave detail: se 3 ft at 7 seconds and w 1 foot at
3 seconds. areas of fog. 
.mon...sw winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
seas 3 to 4 ft. wave detail: se 3 ft at 7 seconds and sw 1 foot
at 3 seconds. 
.mon night...sw winds around 10 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: se 3 ft at 6 seconds and w
1 foot at 3 seconds. patchy fog. vsby 1 to 3 nm. 
.tue...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: w 2 ft
at 4 seconds and s 2 ft at 6 seconds. 
.tue night through wed night...sw winds 10 to 15 kt with gusts up
to 20 kt. seas 2 to 4 ft. wave detail: se 3 ft at 10 seconds and
w 2 ft at 4 seconds. 
.thu...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 3 ft
at 7 seconds and w 1 foot at 3 seconds. 
.thu night and fri...s winds 10 to 15 kt. gusts up to 20 kt. seas
2 to 3 ft. a chance of showers. 
.fri night...sw winds 5 to 10 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 240504
cwfbox
expires:202608241800;;261108

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt mon aug 24 2026

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


anz255-241800-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
104 am edt mon aug 24 2026

.rest of tonight...sw winds around 10 kt with gusts up to 20 kt.
seas 3 to 4 ft. wave detail: s 4 ft at 7 seconds and sw 1 foot at
4 seconds. 
.mon...sw winds around 10 kt. gusts up to 20 kt in the afternoon.
seas 3 to 4 ft. wave detail: se 4 ft at 7 seconds and w 2 ft at
4 seconds. 
.mon night...sw winds around 10 kt. seas 2 to 3 ft. wave detail:
se 3 ft at 6 seconds and w 1 foot at 4 seconds. patchy fog after
midnight with vsby 1 to 3 nm. 
.tue...w winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 4 ft. wave detail: sw 3 ft at 5 seconds and se 1 foot
at 11 seconds. 
.tue night through wed night...sw winds 10 to 15 kt with gusts up
to 20 kt. seas 2 to 4 ft. wave detail: sw 4 ft at 5 seconds and
se 3 ft at 9 seconds. 
.thu...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s 2 ft at
7 seconds and w 1 foot at 4 seconds. 
.thu night and fri...s winds 10 to 15 kt. seas 2 to 3 ft. a
chance of showers. 
.fri night...sw winds 5 to 10 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.

$$