fzus51 kbox 241704
cwfbox
expires:202608250600;;287722

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

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


anz231-250600-
cape cod bay-
104 pm edt mon aug 24 2026

.this afternoon...sw winds around 10 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: s 2 ft at 5 seconds and sw 1 foot
at 2 seconds. 
.tonight...sw winds 5 to 10 kt. seas around 2 ft. wave detail: sw
2 ft at 4 seconds and e 1 foot at 6 seconds. patchy fog after
midnight. 
.tue...sw winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
seas 1 foot or less, then around 2 ft in the afternoon. wave
detail: sw 1 foot at 3 seconds and e 1 foot at 6 seconds. patchy
fog in the morning. 
.tue night...w winds 5 to 10 kt. gusts up to 20 kt in the
evening. seas around 2 ft in the evening, then 1 foot or less.
wave detail: sw 1 foot at 3 seconds and e 1 foot at 6 seconds,
becoming w 1 foot at 2 seconds and se 1 foot at 6 seconds. 
.wed...nw winds around 5 kt, becoming e around 5 kt in the
afternoon. seas 1 foot or less, then around 2 ft in the
afternoon. wave detail: w 1 foot at 2 seconds and se 1 foot at
7 seconds, becoming w 1 foot at 3 seconds and se 1 foot at
7 seconds. 
.wed night...s winds 5 to 10 kt. seas around 2 ft. wave detail:
sw 1 foot at 3 seconds and e 1 foot at 11 seconds. 
.thu...s winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. 
.thu night and fri...s winds 5 to 10 kt. gusts up to 20 kt. seas
around 2 ft. a chance of showers. 
.fri night...w 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 241704
cwfbox
expires:202608250600;;287726

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

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


anz232-250600-
nantucket sound-
104 pm edt mon aug 24 2026

.this afternoon...sw winds around 10 kt. seas around 2 ft. wave
detail: sw 1 foot at 3 seconds and se 1 foot at 6 seconds. 
.tonight...sw winds 5 to 10 kt. seas around 2 ft. wave detail: sw
1 foot at 3 seconds and se 1 foot at 6 seconds. 
.tue...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. 
.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 2 ft at 4 seconds and e 1 foot at 6 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 1 foot at 4 seconds and e 1 foot at 6 seconds. 
.thu...s winds 10 to 15 kt. seas around 2 ft. wave detail: s 2 ft
at 6 seconds and sw 1 foot at 3 seconds. 
.thu night...s winds 10 to 15 kt with gusts up to 20 kt. seas
around 2 ft. showers likely. 
.fri...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. a chance of showers. 
.fri night...w winds around 10 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 241704
cwfbox
expires:202608250600;;287727

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

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


anz233-250600-
vineyard sound-
104 pm edt mon aug 24 2026

...small craft advisory in effect from tuesday morning through
tuesday evening...

.this afternoon...sw winds around 10 kt. seas around 2 ft. wave
detail: se 2 ft at 7 seconds and sw 1 foot at 3 seconds. 
.tonight...sw winds 5 to 10 kt. seas around 2 ft. wave detail: s
2 ft at 7 seconds and sw 1 foot at 3 seconds. 
.tue...w winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: s 2 ft at 6 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 2 ft at 6 seconds and se 1 foot at 11 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 2 ft at 5 seconds and se 2 ft at 10 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 9 seconds. 
.thu night...s winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. showers likely. 
.fri...sw winds around 10 kt. seas 2 to 3 ft. showers likely. 
.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 241704
cwfbox
expires:202608250600;;287728

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

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


anz234-250600-
buzzards bay-
104 pm edt mon aug 24 2026

...small craft advisory in effect from tuesday morning through
tuesday evening...

.this afternoon...sw winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: sw 1 foot at 4 seconds and e
1 foot at 8 seconds. 
.tonight...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 1 foot at 3 seconds and s 1 foot 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 3 ft. wave detail: sw
2 ft at 5 seconds and se 1 foot at 9 seconds. 
.tue night...sw winds 10 to 15 kt with gusts up to 20 kt,
becoming w 5 to 10 kt after midnight. seas 2 to 3 ft. wave
detail: s 2 ft at 6 seconds and se 1 foot at 11 seconds. 
.wed and wed night...sw winds 10 to 15 kt. seas around 2 ft. wave
detail: e 2 ft at 12 seconds and sw 1 foot at 5 seconds. 
.thu...s winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. wave detail: s 2 ft at 7 seconds and sw 1 foot at
3 seconds. 
.thu night and fri...s winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. showers likely. 
.fri night...w winds 5 to 10 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 241704
cwfbox
expires:202608250600;;287729

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

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


anz235-250600-
rhode island sound-
104 pm edt mon aug 24 2026

.this afternoon...sw winds 10 to 15 kt. seas 2 to 3 ft. wave
detail: s 3 ft at 6 seconds and se 1 foot at 12 seconds. 
.tonight...sw winds around 10 kt. seas 2 to 3 ft. wave detail: s
2 ft at 7 seconds and sw 1 foot at 3 seconds. 
.tue...w winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: s 3 ft at 6 seconds and se 1 foot at
11 seconds. 
.tue night...w winds 10 to 15 kt with gusts up to 20 kt, becoming
nw 5 to 10 kt after midnight. seas 2 to 3 ft. wave detail: sw
3 ft at 5 seconds and se 1 foot at 6 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 sw 2 ft at 4 seconds. 
.thu...s winds 10 to 15 kt. seas 2 to 3 ft. wave detail: sw 2 ft
at 4 seconds and se 2 ft at 8 seconds. 
.thu night...s winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. showers likely with a chance of tstms. 
.fri...sw winds around 10 kt. seas 2 to 3 ft. showers likely. 
.fri night...w winds 5 to 10 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 241704
cwfbox
expires:202608250600;;287732

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

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


anz236-250600-
narragansett bay-
104 pm edt mon aug 24 2026

.this afternoon...sw winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. 
.tonight...sw winds 5 to 10 kt. 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 around 2 ft. 
.tue night...w winds 5 to 10 kt. 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 and fri...s winds 5 to 10 kt. waves around 2 ft.
showers likely. 
.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 241704
cwfbox
expires:202608250600;;287720

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

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


anz250-250600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 pm edt mon aug 24 2026

.this afternoon...s winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: se 3 ft at 7 seconds and s 2 ft at
4 seconds. 
.tonight...s winds 10 to 15 kt with gusts up to 20 kt, becoming
sw 5 to 10 kt after midnight. seas 2 to 3 ft. wave detail: sw
2 ft at 4 seconds and se 2 ft at 7 seconds. patchy fog after
midnight. 
.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. patchy fog in the
morning with vsby 1 to 3 nm. 
.tue night...sw winds 5 to 10 kt, becoming w after midnight. seas
around 2 ft. wave detail: s 2 ft at 5 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 s 2 ft at 6 seconds. 
.thu...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: se 3 ft at 9 seconds and s 2 ft at 3 seconds. 
.thu night and fri...s winds 10 to 15 kt, diminishing to 5 to
10 kt. gusts up to 20 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 241704
cwfbox
expires:202608250600;;287723

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

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


anz254-250600-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
104 pm edt mon aug 24 2026

.this afternoon...s winds around 10 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 7 seconds and sw 1 foot at 3 seconds. 
.tonight...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
2 ft at 6 seconds and w 1 foot at 3 seconds. patchy fog. vsby
1 to 3 nm, decreasing to 1 nm or less after midnight. 
.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 3 seconds and s 2 ft at 6 seconds. patchy fog in the morning
with vsby 1 to 3 nm. 
.tue night...sw winds 10 to 15 kt with gusts up to 20 kt,
becoming w 5 to 10 kt after midnight. seas 2 to 3 ft. wave
detail: sw 2 ft at 5 seconds and se 2 ft at 6 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 s 2 ft at 6 seconds. 
.thu...s winds 5 to 10 kt with gusts up to 20 kt. seas 2 to 3 ft.
wave detail: se 3 ft at 8 seconds and sw 2 ft at 4 seconds. 
.thu night and fri...s winds around 10 kt with gusts up to 20 kt.
seas 2 to 4 ft. a chance of showers. 
.fri night...w winds 5 to 10 kt. seas 3 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 241704
cwfbox
expires:202608250600;;287724

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

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


anz255-250600-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
104 pm edt mon aug 24 2026

.this afternoon...sw winds around 10 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 6 seconds and sw 1 foot at 3 seconds. 
.tonight...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 6 seconds and sw 1 foot at 3 seconds. 
.tue...w winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: sw 2 ft at 5 seconds and se 2 ft at 6 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 2 ft at 5 seconds and se 2 ft at 6 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 9 seconds and e 3 ft at 13 seconds. 
.thu...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s 3 ft at
7 seconds and sw 2 ft at 3 seconds. 
.thu night...s winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 4 ft. showers likely with a chance of tstms. 
.fri...s winds around 10 kt. seas 3 to 4 ft. showers likely. 
.fri night...w winds 5 to 10 kt. seas 3 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.

$$