fzus51 kbox 040204
cwfbox
expires:202609041500;;864286

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu sep 3 2026

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


anz231-041500-
cape cod bay-
1003 pm edt thu sep 3 2026

.overnight...nw winds around 5 kt. seas around 2 ft. wave detail:
sw 1 foot at 2 seconds and e 1 foot at 4 seconds. areas of fog.
vsby 1 to 3 nm, decreasing to 1 nm or less. 
.fri...nw winds around 5 kt, becoming ne in the afternoon. seas
around 2 ft. wave detail: se 2 ft at 9 seconds and sw 1 foot at
2 seconds. areas of fog in the morning with vsby 1 to 3 nm. 
.fri night...sw winds around 5 kt, becoming nw after midnight.
seas around 2 ft. wave detail: se 2 ft at 8 seconds and sw 1 foot
at 4 seconds. 
.sat...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: e 3 ft at 9 seconds and n 2 ft at 4 seconds. 
.sat night and sun...n winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: se 4 ft at 9 seconds and n 3 ft at
4 seconds. 
.sun night...nw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e
3 ft at 8 seconds and n 2 ft at 5 seconds. 
.mon through tue night...se 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 040204
cwfbox
expires:202609041500;;864290

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu sep 3 2026

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


anz232-041500-
nantucket sound-
1003 pm edt thu sep 3 2026

.overnight...w winds 5 to 10 kt. seas around 2 ft. wave detail: w
1 foot at 3 seconds and e 1 foot at 5 seconds. areas of fog. vsby
1 to 3 nm. 
.fri...nw winds around 5 kt. seas around 2 ft. wave detail: w
1 foot at 3 seconds and se 1 foot at 7 seconds. areas of fog in
the morning with vsby 1 to 3 nm.
.fri night...sw winds 5 to 10 kt, becoming nw 10 to 15 kt after
midnight. seas around 2 ft. wave detail: sw 1 foot at 4 seconds
and se 1 foot at 7 seconds. 
.sat...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: n 2 ft at 3 seconds and se 1 foot at
8 seconds. 
.sat night and sun...n winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 3 ft. wave detail: ne 3 ft at 4 seconds and e 2 ft at
8 seconds. 
.sun night...n 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: e 3 ft
at 9 seconds and ne 2 ft at 3 seconds. 
.mon through tue 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 040204
cwfbox
expires:202609041500;;864291

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu sep 3 2026

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


anz233-041500-
vineyard sound-
1003 pm edt thu sep 3 2026

.overnight...w winds around 5 kt. seas around 2 ft. wave detail:
sw 2 ft at 4 seconds and se 1 foot at 5 seconds. areas of fog.
vsby 1 to 3 nm. 
.fri...w winds 5 to 10 kt. seas around 2 ft. wave detail: w
1 foot at 4 seconds and se 1 foot at 7 seconds. areas of fog in
the morning with vsby 1 to 3 nm.
.fri night...w winds 5 to 10 kt, becoming nw after midnight. seas
around 2 ft. wave detail: sw 2 ft at 5 seconds and se 1 foot at
7 seconds. 
.sat...n winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas around 2 ft. wave detail: n 2 ft at 4 seconds and se 1 foot
at 8 seconds. 
.sat night and sun...ne winds 15 to 20 kt. seas 2 to 3 ft. wave
detail: ne 2 ft at 3 seconds and s 1 foot at 7 seconds. 
.sun night...n winds 5 to 10 kt, becoming nw after midnight. seas
around 2 ft in the evening, then 1 foot or less. wave detail: ne
1 foot at 3 seconds and sw 1 foot at 6 seconds, becoming ne
1 foot at 4 seconds and nw 1 foot at 5 seconds. 
.mon through tue 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 040204
cwfbox
expires:202609041500;;864292

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu sep 3 2026

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


anz234-041500-
buzzards bay-
1003 pm edt thu sep 3 2026

.overnight...w winds around 5 kt. seas around 2 ft. wave detail:
s 1 foot at 4 seconds and se 1 foot at 8 seconds. areas of fog.
vsby 1 to 3 nm. 
.fri...nw winds around 5 kt, becoming w in the afternoon. seas
1 foot or less. wave detail: w 1 foot at 4 seconds and se 1 foot
at 7 seconds. areas of fog in the morning with vsby 1 to 3 nm. 
.fri night...w winds 5 to 10 kt, becoming nw after midnight. seas
around 2 ft in the evening, then 1 foot or less. wave detail: sw
1 foot at 5 seconds and se 1 foot at 7 seconds, becoming nw
1 foot at 5 seconds and se 1 foot at 7 seconds. 
.sat...n winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: nw 1 foot at 4 seconds and e 1 foot
at 7 seconds. 
.sat night...ne winds 10 to 15 kt with gusts up to 20 kt. seas
around 2 ft. wave detail: ne 2 ft at 3 seconds and sw 1 foot at
6 seconds. 
.sun...n winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: ne 2 ft at 3 seconds and w 1 foot at
7 seconds. 
.sun night...n winds 5 to 10 kt, becoming nw after midnight. seas
around 2 ft in the evening, then 1 foot or less. 
.mon through tue night...sw 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 040204
cwfbox
expires:202609041500;;864293

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu sep 3 2026

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


anz235-041500-
rhode island sound-
1003 pm edt thu sep 3 2026

.overnight...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: sw
2 ft at 4 seconds and s 2 ft at 7 seconds. areas of fog. vsby
1 nm or less. 
.fri...w winds 5 to 10 kt. seas around 2 ft. wave detail: sw 2 ft
at 5 seconds and se 2 ft at 7 seconds. areas of fog in the
morning with vsby 1 to 3 nm.
.fri night...w winds around 10 kt, becoming n after midnight.
seas around 2 ft. wave detail: sw 2 ft at 5 seconds and se 2 ft
at 8 seconds. 
.sat...n winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: n 2 ft at 5 seconds and se 2 ft at
8 seconds. 
.sat night and sun...ne winds 15 to 20 kt. seas 2 to 3 ft. wave
detail: ne 3 ft at 4 seconds and sw 2 ft at 7 seconds. 
.sun night...n winds 5 to 10 kt, becoming nw after midnight. seas
around 2 ft. wave detail: ne 2 ft at 4 seconds and s 1 foot at
7 seconds. 
.mon through tue night...s 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 040204
cwfbox
expires:202609041500;;864296

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu sep 3 2026

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


anz236-041500-
narragansett bay-
1003 pm edt thu sep 3 2026

.overnight...w winds around 5 kt. waves around 2 ft. areas of fog
with vsby 1 nm or less. 
.fri...nw winds 5 to 10 kt. waves around 2 ft. areas of fog in
the morning with vsby 1 to 3 nm. 
.fri night...w winds 5 to 10 kt, becoming nw after midnight.
waves around 2 ft. 
.sat...n winds 5 to 10 kt. waves around 2 ft. a chance of showers
in the afternoon. 
.sat night...ne winds 5 to 10 kt. waves around 2 ft. a chance of
showers in the evening. 
.sun and sun night...nw winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. 
.mon through tue night...sw 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 040204
cwfbox
expires:202609041500;;864284

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu sep 3 2026

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


anz250-041500-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1003 pm edt thu sep 3 2026

.overnight...n winds around 5 kt. seas 2 to 3 ft. wave detail: e
2 ft at 6 seconds and se 2 ft at 9 seconds. areas of fog. vsby
1 to 3 nm, decreasing to 1 nm or less. 
.fri...nw winds around 5 kt, becoming ne in the afternoon. seas
2 to 3 ft. wave detail: s 3 ft at 5 seconds and se 3 ft at
8 seconds. areas of fog in the morning with vsby 1 to 3 nm. 
.fri night...sw winds 5 to 10 kt, becoming nw after midnight.
seas 2 to 3 ft. wave detail: se 2 ft at 8 seconds and s 1 foot at
4 seconds. 
.sat...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: e 3 ft at 6 seconds and nw 2 ft at 3 seconds. 
.sat night and sun...n winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 5 ft. wave detail: n 5 ft at 6 seconds and se 5 ft at
9 seconds. 
.sun night...nw winds 5 to 10 kt. seas 3 to 4 ft. wave detail: nw
4 ft at 5 seconds and ne 4 ft at 10 seconds. 
.mon through tue night...se winds 5 to 10 kt. seas 2 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 040204
cwfbox
expires:202609041500;;864287

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu sep 3 2026

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


anz254-041500-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1003 pm edt thu sep 3 2026

.overnight...w winds around 5 kt. seas 2 to 3 ft. wave detail: e
2 ft at 6 seconds and se 2 ft at 9 seconds. areas of fog. vsby
1 to 3 nm, decreasing to 1 nm or less. 
.fri...n winds around 5 kt. seas 2 to 3 ft. wave detail: se 2 ft
at 7 seconds and sw 1 foot at 4 seconds. areas of fog in the
morning with vsby 1 to 3 nm.
.fri night...sw winds around 5 kt, becoming nw after midnight.
seas 2 to 3 ft. wave detail: se 2 ft at 7 seconds and sw 1 foot
at 5 seconds. 
.sat...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: n 3 ft at 4 seconds and se 2 ft at 8 seconds.
patchy fog in the morning with vsby 1 to 3 nm. 
.sat night...n winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: e 5 ft at 7 seconds and sw 1 foot at
6 seconds. 
.sun and sun night...nw winds 15 to 20 kt with gusts up to 25 kt.
seas 4 to 6 ft. wave detail: n 6 ft at 7 seconds and ne 6 ft at
8 seconds. 
.mon and mon night...nw winds 10 to 15 kt, becoming w 5 to 10 kt.
seas 3 to 5 ft. 
.tue and tue night...w winds 5 to 10 kt. seas 2 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 040204
cwfbox
expires:202609041500;;864288

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu sep 3 2026

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


anz255-041500-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1003 pm edt thu sep 3 2026

.overnight...w 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. areas of fog. vsby
1 to 3 nm. 
.fri...nw 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. areas of fog in the
morning with vsby 1 to 3 nm.
.fri night...w winds 5 to 10 kt, becoming nw after midnight. seas
2 to 3 ft. wave detail: sw 2 ft at 5 seconds and e 2 ft at
7 seconds. 
.sat...n winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 4 ft. wave detail: n 2 ft at 5 seconds and se 2 ft at
8 seconds. 
.sat night and sun...n winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 5 ft. wave detail: ne 5 ft at 7 seconds and sw 2 ft at
7 seconds. 
.sun night...n winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 3 to 5 ft. wave detail: e 4 ft at 9 seconds and nw
2 ft at 6 seconds. 
.mon through tue night...w winds 10 to 15 kt. seas 2 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.

$$