fzus51 kbox 032005
cwfbox
expires:202608040900;;570456

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

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


anz231-040900-
cape cod bay-
405 pm edt mon aug 3 2026

...small craft advisory in effect until 8 pm edt this evening...

.tonight...sw winds 15 to 20 kt, becoming w 10 to 15 kt after
midnight. gusts up to 25 kt. seas 2 to 4 ft. wave detail: sw 3 ft
at 4 seconds and se 2 ft at 9 seconds. patchy fog this evening. a
chance of showers with a slight chance of tstms this evening with
vsby 1 to 3 nm. 
.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.  

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 032005
cwfbox
expires:202608040900;;570460

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

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


anz232-040900-
nantucket sound-
405 pm edt mon aug 3 2026

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

.tonight...sw winds 20 to 25 kt with gusts up to 35 kt, becoming
w 15 to 20 kt after midnight. seas 4 to 6 ft. wave detail: sw
4 ft at 5 seconds and s 2 ft at 9 seconds. a chance of showers. a
slight chance of tstms this evening. patchy fog this evening with
vsby 1 to 3 nm. 
.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 032005
cwfbox
expires:202608040900;;570461

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

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


anz233-040900-
vineyard sound-
405 pm edt mon aug 3 2026

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

.tonight...sw winds 20 to 25 kt with gusts up to 30 kt, becoming
nw 10 to 15 kt with gusts up to 20 kt after midnight. seas 5 to
7 ft, subsiding to 3 to 5 ft after midnight. wave detail: sw 7 ft
at 10 seconds and w 3 ft at 4 seconds, becoming sw 5 ft at
9 seconds and w 2 ft at 4 seconds. a chance of showers with a
slight chance of tstms this evening, then a slight chance of
showers after midnight. patchy fog this evening with vsby 1 to
3 nm. 
.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 e 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.  

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 032005
cwfbox
expires:202608040900;;570462

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

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


anz234-040900-
buzzards bay-
405 pm edt mon aug 3 2026

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

.tonight...sw winds 20 to 25 kt with gusts up to 30 kt, becoming
w 10 to 15 kt with gusts up to 20 kt after midnight. seas 3 to
5 ft. wave detail: sw 4 ft at 5 seconds and sw 4 ft at 9 seconds.
patchy fog this evening. a chance of showers with a slight chance
of tstms this evening with vsby 1 to 3 nm. 
.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.  

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 032005
cwfbox
expires:202608040900;;570463

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

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


anz235-040900-
rhode island sound-
405 pm edt mon aug 3 2026

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

.tonight...sw winds 20 to 25 kt with gusts up to 30 kt, becoming
nw 10 to 15 kt with gusts up to 20 kt after midnight. seas 5 to
8 ft, subsiding to 4 to 6 ft after midnight. wave detail: s 8 ft
at 9 seconds and w 2 ft at 4 seconds, becoming s 6 ft at
9 seconds and w 2 ft at 4 seconds. patchy fog this evening. a
chance of showers and tstms this evening with 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 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.  

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 032005
cwfbox
expires:202608040900;;570466

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

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


anz236-040900-
narragansett bay-
405 pm edt mon aug 3 2026

...small craft advisory in effect until 5 pm edt this afternoon...

.tonight...sw winds 15 to 20 kt with gusts up to 25 kt, becoming
nw 5 to 10 kt after midnight. waves 2 to 4 ft. patchy fog this
evening. a chance of showers and tstms this evening with vsby
1 to 3 nm. 
.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.  

winds and waves 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 032005
cwfbox
expires:202608040900;;570454

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

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


anz250-040900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 pm edt mon aug 3 2026

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

.tonight...sw winds 15 to 20 kt, becoming w 10 to 15 kt after
midnight. gusts up to 30 kt. seas 4 to 6 ft. wave detail: se 5 ft
at 8 seconds and sw 4 ft at 5 seconds. patchy fog this evening. a
chance of showers with a slight chance of tstms this evening with
vsby 1 to 3 nm. 
.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.  

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 032005
cwfbox
expires:202608040900;;570457

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

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


anz254-040900-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
405 pm edt mon aug 3 2026

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

.tonight...sw winds 20 to 25 kt with gusts up to 30 kt, becoming
w 15 to 20 kt after midnight. seas 5 to 8 ft, subsiding to 4 to
6 ft after midnight. wave detail: s 8 ft at 9 seconds and w 3 ft
at 5 seconds, becoming s 6 ft at 9 seconds and w 2 ft at
4 seconds. a chance of showers. a slight chance of tstms this
evening. patchy fog this evening with 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 032005
cwfbox
expires:202608040900;;570458

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

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


anz255-040900-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
405 pm edt mon aug 3 2026

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

.tonight...sw winds 20 to 25 kt with gusts up to 35 kt, becoming
w 15 to 20 kt after midnight. seas 6 to 9 ft. wave detail: s 9 ft
at 9 seconds and sw 5 ft at 5 seconds. showers likely with a
slight chance of tstms this evening, then a chance of showers
after midnight. patchy fog this evening with 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.

$$