fzus51 kbox 040205
cwfbox
expires:202608041500;;582404

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt mon aug 3 2026

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


anz231-041500-
cape cod bay-
1005 pm edt mon aug 3 2026

.overnight...w winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: sw 3 ft at 4 seconds and se 2 ft at
9 seconds. a chance of showers. 
.tue...w winds 5 to 10 kt, becoming sw in the afternoon. seas
around 2 ft. wave detail: s 2 ft at 6 seconds and ne 2 ft at
8 seconds. 
.tue night...sw winds 5 to 10 kt. seas 1 foot or less. wave
detail: sw 1 foot at 2 seconds and s 1 foot at 6 seconds. 
.wed...s winds 5 to 10 kt. seas 1 foot or less, then around 2 ft
in the afternoon. wave detail: sw 1 foot at 2 seconds and s
1 foot at 6 seconds, becoming s 2 ft at 7 seconds and sw 1 foot
at 2 seconds. 
.wed night through thu night...sw 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
sw 1 foot at 2 seconds. 
.fri through sat night...sw winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft. wave detail: se 2 ft at 7 seconds and sw
1 foot at 2 seconds.  

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 040205
cwfbox
expires:202608041500;;582408

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt mon aug 3 2026

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


anz232-041500-
nantucket sound-
1005 pm edt mon aug 3 2026

...small craft advisory in effect until 2 am edt tuesday...

.overnight...sw winds 15 to 20 kt, becoming w. gusts up to 25 kt.
seas 3 to 5 ft. wave detail: sw 4 ft at 5 seconds and sw 2 ft at
9 seconds. a chance of showers. a slight chance of tstms. patchy
fog. 
.tue...w winds 5 to 10 kt, becoming sw in the afternoon. seas
2 to 3 ft. wave detail: s 2 ft at 8 seconds and w 1 foot at
3 seconds. 
.tue night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s
2 ft at 7 seconds and sw 1 foot at 3 seconds. 
.wed...s winds around 5 kt, becoming sw in the afternoon. seas
around 2 ft. wave detail: sw 1 foot at 4 seconds and s 1 foot at
7 seconds. 
.wed night through thu night...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 2 ft at 7 seconds. 
.fri through sat night...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 s
2 ft at 7 seconds.  

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 040205
cwfbox
expires:202608041500;;582409

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt mon aug 3 2026

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


anz233-041500-
vineyard sound-
1005 pm edt mon aug 3 2026

...small craft advisory in effect until 2 am edt tuesday...

.overnight...w winds 15 to 20 kt, becoming nw 10 to 15 kt. seas
4 to 6 ft. wave detail: sw 6 ft at 9 seconds and w 3 ft at
10 seconds. a chance of showers this evening. 
.tue...w winds 5 to 10 kt, becoming sw in the afternoon. seas
2 to 4 ft. wave detail: se 3 ft at 7 seconds and w 2 ft at
8 seconds. 
.tue night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s
3 ft at 7 seconds and sw 2 ft at 8 seconds. 
.wed...sw winds 5 to 10 kt. seas around 2 ft. wave detail: s 2 ft
at 7 seconds and sw 2 ft at 9 seconds. 
.wed night through thu night...sw 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
sw 2 ft at 4 seconds. 
.fri through sat night...sw winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft. wave detail: se 3 ft at 6 seconds and sw
2 ft at 4 seconds.  

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 040205
cwfbox
expires:202608041500;;582410

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt mon aug 3 2026

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


anz234-041500-
buzzards bay-
1005 pm edt mon aug 3 2026

...small craft advisory in effect until 2 am edt tuesday...

.overnight...w winds 15 to 20 kt, diminishing to 10 to 15 kt.
seas 3 to 5 ft. wave detail: sw 3 ft at 5 seconds and sw 3 ft at
9 seconds. a chance of showers.
.tue...w winds 5 to 10 kt, becoming sw in the afternoon. seas
2 to 3 ft. wave detail: s 2 ft at 8 seconds and w 1 foot at
4 seconds. 
.tue night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
s 2 ft at 7 seconds and sw 2 ft at 9 seconds. 
.wed...sw winds around 5 kt, increasing to around 10 kt in the
afternoon. seas around 2 ft. wave detail: s 2 ft at 7 seconds and
sw 1 foot at 4 seconds. 
.wed night through thu 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
sw 2 ft at 7 seconds. 
.fri through sat...sw winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: se 3 ft at 6 seconds and sw 2 ft at
4 seconds. 
.sat 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 040205
cwfbox
expires:202608041500;;582411

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt mon aug 3 2026

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


anz235-041500-
rhode island sound-
1005 pm edt mon aug 3 2026

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

.overnight...w winds 15 to 20 kt, becoming nw 10 to 15 kt. seas
5 to 7 ft. wave detail: s 7 ft at 9 seconds and w 2 ft at
4 seconds. a chance of showers. 
.tue...w winds 5 to 10 kt, becoming sw in the afternoon. seas
3 to 5 ft. wave detail: s 5 ft at 8 seconds and e 2 ft at
7 seconds. 
.tue night...sw winds 5 to 10 kt. seas 2 to 4 ft. wave detail: s
4 ft at 7 seconds and sw 1 foot at 4 seconds. 
.wed...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s 3 ft
at 7 seconds and sw 2 ft at 8 seconds. 
.wed night through thu night...sw winds 10 to 15 kt with gusts up
to 20 kt. seas 2 to 4 ft. wave detail: s 4 ft at 7 seconds and sw
2 ft at 4 seconds. 
.fri through sat night...sw winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 4 ft. wave detail: se 4 ft at 6 seconds and sw
2 ft at 4 seconds.  

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 040205
cwfbox
expires:202608041500;;582414

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt mon aug 3 2026

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


anz236-041500-
narragansett bay-
1005 pm edt mon aug 3 2026

.overnight...w winds 10 to 15 kt, becoming nw 5 to 10 kt. waves
2 to 4 ft. a slight chance of showers. 
.tue...w winds around 5 kt, becoming sw in the afternoon. waves
2 to 3 ft. 
.tue night...sw winds 5 to 10 kt, diminishing to around 5 kt
after midnight. waves around 2 ft. 
.wed...sw winds around 5 kt, increasing to 5 to 10 kt in the
afternoon. waves around 2 ft. 
.wed night through thu night...sw winds 10 to 15 kt with gusts up
to 20 kt. waves around 2 ft. 
.fri through sat night...sw winds 10 to 15 kt with gusts up to
20 kt. waves 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 040205
cwfbox
expires:202608041500;;582402

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt mon aug 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-
1005 pm edt mon aug 3 2026

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

.overnight...w winds 10 to 15 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: se 4 ft at 8 seconds and sw 3 ft at
5 seconds. a slight chance of showers. 
.tue...w winds 5 to 10 kt with gusts up to 20 kt, becoming sw in
the afternoon. seas 2 to 4 ft. wave detail: se 3 ft at 8 seconds
and sw 2 ft at 4 seconds. 
.tue night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s
2 ft at 7 seconds and e 2 ft at 11 seconds. 
.wed...s winds 5 to 10 kt. seas around 2 ft. wave detail: se 2 ft
at 7 seconds and sw 1 foot at 3 seconds. 
.wed night through thu night...sw winds 10 to 15 kt with gusts up
to 20 kt. seas around 2 ft. wave detail: s 2 ft at 4 seconds and
se 2 ft at 7 seconds. 
.fri through sat...sw winds 5 to 10 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: s 2 ft at 4 seconds and se 2 ft at
7 seconds. 
.sat 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 040205
cwfbox
expires:202608041500;;582405

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt mon aug 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-
1005 pm edt mon aug 3 2026

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

.overnight...w winds 15 to 20 kt with gusts up to 25 kt. seas
5 to 7 ft. wave detail: s 7 ft at 9 seconds and w 3 ft at
5 seconds. a chance of showers. a slight chance of tstms. patchy
fog. vsby 1 to 3 nm. 
.tue...w winds 5 to 10 kt, becoming sw in the afternoon. seas
3 to 5 ft. wave detail: s 5 ft at 8 seconds and w 1 foot at
4 seconds. 
.tue night...sw winds 5 to 10 kt. seas 2 to 4 ft. wave detail: s
3 ft at 7 seconds and w 1 foot at 4 seconds. 
.wed...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s 3 ft at
7 seconds and w 1 foot at 3 seconds. 
.wed night through thu night...sw winds 10 to 15 kt with gusts up
to 20 kt. seas 2 to 3 ft. wave detail: s 3 ft at 7 seconds and sw
1 foot at 3 seconds. 
.fri through sat night...sw winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 4 ft. wave detail: sw 3 ft at 5 seconds and se
1 foot at 7 seconds.  

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 040205
cwfbox
expires:202608041500;;582406

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt mon aug 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-
1005 pm edt mon aug 3 2026

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

.overnight...sw winds around 20 kt, becoming w. gusts up to
25 kt. seas 5 to 8 ft. wave detail: sw 8 ft at 9 seconds and w
3 ft at 5 seconds. showers likely with a slight chance of tstms,
then a chance of showers. patchy fog. vsby 1 to 3 nm. 
.tue...nw winds 5 to 10 kt, becoming sw in the afternoon. seas
4 to 6 ft. wave detail: s 6 ft at 8 seconds and sw 4 ft at
8 seconds. 
.tue night...sw winds 5 to 10 kt. seas 3 to 4 ft. wave detail: sw
4 ft at 7 seconds and e 1 foot at 9 seconds. 
.wed...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: sw 3 ft
at 7 seconds and e 1 foot at 9 seconds. 
.wed night through thu night...sw winds 10 to 15 kt with gusts up
to 20 kt. seas 2 to 4 ft. wave detail: se 4 ft at 7 seconds and w
2 ft at 4 seconds. 
.fri through sat night...sw winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 4 ft. wave detail: w 4 ft at 6 seconds and se
1 foot at 7 seconds.  

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.

$$