fzus51 kbox 042005
cwfbox
expires:202610050900;;534875

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sun oct 4 2026

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


anz231-050900-
cape cod bay-
405 pm edt sun oct 4 2026

.tonight...e winds around 5 kt, becoming n around 5 kt after
midnight. seas around 2 ft. wave detail: ne 1 foot at 3 seconds
and se 1 foot at 4 seconds. patchy fog. a chance of showers. vsby
1 to 3 nm, decreasing to 1 nm or less after midnight. 
.mon...w 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: nw
2 ft at 3 seconds and e 2 ft at 8 seconds. 
.mon night...nw winds 15 to 20 kt with gusts up to 25 kt. seas
around 3 ft. wave detail: nw 3 ft at 4 seconds and ne 1 foot at
4 seconds. 
.tue...nw winds 15 to 20 kt, becoming w 10 to 15 kt in the
afternoon. gusts up to 25 kt. seas 2 to 3 ft. wave detail: nw
3 ft at 6 seconds and e 1 foot at 9 seconds. 
.tue night...w winds 5 to 10 kt. seas around 2 ft. wave detail: n
2 ft at 5 seconds and e 1 foot at 8 seconds. 
.wed and wed night...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 n 1 foot at
5 seconds. 
.thu through fri night...w 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 042005
cwfbox
expires:202610050900;;534879

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sun oct 4 2026

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


anz232-050900-
nantucket sound-
405 pm edt sun oct 4 2026

...small craft advisory in effect from monday evening through
late monday night...

.tonight...e winds 5 to 10 kt, becoming n after midnight. seas
around 2 ft. wave detail: ne 2 ft at 4 seconds and se 1 foot at
4 seconds. patchy fog. showers, mainly this evening. vsby 1 to
3 nm, decreasing to 1 nm or less after midnight. 
.mon...w winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: w 2 ft at 4 seconds and se 2 ft at
7 seconds. patchy fog in the morning with vsby 1 to 3 nm. 
.mon night...nw winds 20 to 25 kt. seas 3 to 4 ft. wave detail:
sw 4 ft at 5 seconds and e 2 ft at 8 seconds. 
.tue...nw winds 15 to 20 kt with gusts up to 25 kt, becoming w
10 to 15 kt in the afternoon. seas 2 to 3 ft. wave detail: n 3 ft
at 5 seconds and sw 1 foot at 7 seconds. 
.tue night...w winds 10 to 15 kt, becoming nw 5 to 10 kt after
midnight. seas around 2 ft. wave detail: w 2 ft at 3 seconds and
ne 1 foot at 4 seconds. 
.wed and wed night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: sw 2 ft at 4 seconds and n 1 foot
at 3 seconds. 
.thu through fri night...w 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 042005
cwfbox
expires:202610050900;;534880

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sun oct 4 2026

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


anz233-050900-
vineyard sound-
405 pm edt sun oct 4 2026

.tonight...ne winds 5 to 10 kt, becoming n after midnight. seas
around 2 ft. wave detail: ne 1 foot at 3 seconds and se 1 foot at
4 seconds. patchy fog. showers likely this evening. a chance of
showers after midnight. 
.mon...nw winds 10 to 15 kt, becoming w 15 to 20 kt in the
afternoon. seas 2 to 3 ft. wave detail: w 2 ft at 4 seconds and
se 1 foot at 6 seconds. 
.mon night...nw winds 15 to 20 kt with gusts up to 25 kt. seas
around 3 ft. wave detail: w 3 ft at 5 seconds and e 1 foot at
6 seconds. 
.tue...nw winds 15 to 20 kt, becoming w 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: w 3 ft at 6 seconds and n
2 ft at 5 seconds. 
.tue night...nw winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. seas around 2 ft. wave detail: n 2 ft at
4 seconds and w 2 ft at 4 seconds. 
.wed and wed night...sw winds 15 to 20 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 4 seconds and sw 3 ft at 5 seconds. 
.thu through fri night...w 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 042005
cwfbox
expires:202610050900;;534881

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sun oct 4 2026

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


anz234-050900-
buzzards bay-
405 pm edt sun oct 4 2026

.tonight...ne winds 5 to 10 kt, becoming n after midnight. seas
1 foot or less. wave detail: ne 1 foot at 2 seconds and se 1 foot
at 4 seconds. showers likely, mainly this evening. patchy fog
this evening. 
.mon...w winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 3 ft. wave detail: w 2 ft
at 3 seconds and se 1 foot at 6 seconds. 
.mon night...nw winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 3 ft. wave detail: w 3 ft at 5 seconds and ne 1 foot at
5 seconds. 
.tue...nw winds 15 to 20 kt, becoming w 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: w 2 ft at 4 seconds and n
2 ft at 6 seconds. 
.tue night...w winds 10 to 15 kt, becoming nw 5 to 10 kt after
midnight. seas around 2 ft in the evening, then 1 foot or less.
wave detail: sw 2 ft at 5 seconds and n 2 ft at 6 seconds,
becoming nw 1 foot at 4 seconds and sw 1 foot at 8 seconds. 
.wed and wed night...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: se 4 ft at 4 seconds and sw 3 ft at
4 seconds. 
.thu through fri night...w 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 042005
cwfbox
expires:202610050900;;534882

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sun oct 4 2026

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


anz235-050900-
rhode island sound-
405 pm edt sun oct 4 2026

.tonight...ne winds 10 to 15 kt, becoming n 5 to 10 kt after
midnight. seas around 2 ft. wave detail: e 2 ft at 6 seconds and
se 2 ft at 9 seconds. patchy fog this evening. showers likely
this evening. 
.mon...w winds 10 to 15 kt, becoming nw 15 to 20 kt in the
afternoon. seas 2 to 3 ft. wave detail: w 3 ft at 4 seconds and
se 2 ft at 7 seconds. 
.mon night...nw winds 20 to 25 kt. seas 3 to 4 ft. wave detail: w
4 ft at 4 seconds and e 2 ft at 7 seconds. 
.tue...nw winds 15 to 20 kt with gusts up to 25 kt, becoming w
10 to 15 kt in the afternoon. seas 2 to 4 ft. wave detail: w 3 ft
at 5 seconds and n 2 ft at 4 seconds. 
.tue night...nw 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: n 2 ft at 4 seconds and sw 2 ft at 5 seconds. 
.wed and wed night...sw winds 15 to 20 kt. seas 2 to 3 ft. wave
detail: e 3 ft at 4 seconds and sw 3 ft at 5 seconds. 
.thu through fri night...w 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 042005
cwfbox
expires:202610050900;;534885

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sun oct 4 2026

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


anz236-050900-
narragansett bay-
405 pm edt sun oct 4 2026

.tonight...ne winds 5 to 10 kt, becoming n after midnight. waves
around 2 ft. patchy fog this evening. a chance of showers this
evening. 
.mon...w winds 5 to 10 kt, becoming nw 10 to 15 kt with gusts up
to 20 kt in the afternoon. waves 2 to 3 ft. 
.mon night...nw winds 10 to 15 kt with gusts up to 20 kt. waves
2 to 3 ft. 
.tue...nw winds 10 to 15 kt. gusts up to 20 kt in the morning.
waves around 2 ft. 
.tue night...w winds 5 to 10 kt. waves around 2 ft in the
evening, then 1 foot or less. 
.wed and wed night...sw winds 10 to 15 kt with gusts up to 25 kt.
waves 2 to 3 ft. 
.thu through fri night...w winds 10 to 15 kt with gusts up to
20 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 042005
cwfbox
expires:202610050900;;534873

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sun oct 4 2026

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


anz250-050900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 pm edt sun oct 4 2026

...small craft advisory in effect from monday morning through
tuesday afternoon...

.tonight...e winds around 5 kt, becoming n around 5 kt after
midnight. seas 2 to 4 ft. wave detail: e 3 ft at 8 seconds and n
1 foot at 3 seconds. patchy fog. a chance of showers, mainly this
evening. vsby 1 nm or less after midnight. 
.mon...w winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 3 to 5 ft. wave detail: e 4 ft at 7 seconds and w 2 ft at
3 seconds. 
.mon night...nw winds 15 to 20 kt with gusts up to 25 kt. seas
4 to 5 ft. wave detail: nw 4 ft at 5 seconds and e 4 ft at
8 seconds. 
.tue...nw winds 15 to 20 kt, becoming w 10 to 15 kt in the
afternoon. gusts up to 25 kt. seas 3 to 5 ft. wave detail: w 4 ft
at 6 seconds and n 2 ft at 5 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 n 1 foot at 5 seconds. 
.wed and wed night...sw winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and n 1 foot at
4 seconds. 
.thu through fri night...w 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 042005
cwfbox
expires:202610050900;;534876

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sun oct 4 2026

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


anz254-050900-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
405 pm edt sun oct 4 2026

...small craft advisory in effect from monday morning through
tuesday afternoon...

.tonight...e winds 5 to 10 kt, becoming n after midnight. seas
2 to 4 ft. wave detail: e 4 ft at 7 seconds and n 1 foot at
4 seconds. patchy fog. showers, mainly this evening. vsby 1 to
3 nm, decreasing to 1 nm or less after midnight. 
.mon...nw winds 5 to 10 kt, becoming w 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 3 to 5 ft. wave detail: e 4 ft at
8 seconds and w 2 ft at 4 seconds. patchy fog in the morning with
vsby 1 to 3 nm. 
.mon night...nw winds 20 to 25 kt. seas 4 to 5 ft. wave detail:
nw 4 ft at 5 seconds and e 4 ft at 8 seconds. 
.tue...nw winds 15 to 20 kt, becoming w 10 to 15 kt in the
afternoon. gusts up to 25 kt. seas 3 to 5 ft. wave detail: nw
4 ft at 6 seconds and e 2 ft at 8 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 6 seconds and n 2 ft at 6 seconds. 
.wed and wed night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: nw 2 ft at 5 seconds and s 2 ft at
5 seconds. 
.thu through fri night...w 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 042005
cwfbox
expires:202610050900;;534877

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sun oct 4 2026

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


anz255-050900-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
405 pm edt sun oct 4 2026

...small craft advisory in effect from monday afternoon through
tuesday afternoon...

.tonight...e winds around 10 kt, becoming n after midnight. seas
2 to 3 ft. wave detail: e 3 ft at 7 seconds and n 1 foot at
4 seconds. patchy fog. showers, mainly this evening. vsby 1 nm or
less. 
.mon...nw winds 10 to 15 kt, becoming w 15 to 20 kt in the
afternoon. seas 3 to 5 ft. wave detail: w 3 ft at 4 seconds and e
3 ft at 6 seconds. patchy fog in the morning with vsby 1 to 3 nm.
.mon night...nw winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 ft. wave detail: nw 6 ft at 6 seconds and se 3 ft at
7 seconds. 
.tue...nw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: w 5 ft at 7 seconds and e 2 ft at 8 seconds. 
.tue night...nw winds 10 to 15 kt. seas 2 to 3 ft. wave detail:
sw 3 ft at 6 seconds and n 1 foot at 6 seconds. 
.wed and wed night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: sw 3 ft at 5 seconds and n 1 foot at
4 seconds. 
.thu through fri night...w 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.

$$