fzus51 kbox 300505
cwfbox
expires:202606301800;;145168

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt tue jun 30 2026

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


anz231-301800-
cape cod bay-
104 am edt tue jun 30 2026

.rest of tonight...s winds around 5 kt. seas 1 foot or less. wave
detail: n 1 foot at 3 seconds and s 1 foot at 6 seconds. patchy
fog. vsby 1 to 3 nm. 
.tue...s winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 1 foot or less, then around
2 ft in the afternoon. wave detail: n 1 foot at 3 seconds and s
1 foot at 8 seconds, becoming s 1 foot at 2 seconds and ne 1 foot
at 3 seconds. 
.tue night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 4 ft. wave detail: sw 2 ft at 3 seconds and e 1 foot at
4 seconds. a chance of showers. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: sw 2 ft at 4 seconds and e 1 foot at
5 seconds. a chance of showers in the morning. 
.wed night through thu night...sw winds 15 to 20 kt with gusts up
to 25 kt. seas 2 to 4 ft. wave detail: sw 3 ft at 4 seconds and
se 1 foot at 10 seconds. 
.fri and fri night...w winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 1 foot at 3 seconds and se 1 foot at 5 seconds. 
.sat and sat night...sw winds 5 to 10 kt. seas 1 foot or less. 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 300505
cwfbox
expires:202606301800;;145172

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt tue jun 30 2026

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


anz232-301800-
nantucket sound-
104 am edt tue jun 30 2026

.rest of tonight...s winds around 5 kt. seas 1 foot or less. wave
detail: ne 1 foot at 2 seconds and nw 1 foot at 5 seconds. patchy
fog. vsby 1 nm or less. 
.tue...s winds 5 to 10 kt, becoming sw 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 1 foot or less, then around 2 ft
in the afternoon. wave detail: n 1 foot at 4 seconds and s 1 foot
at 6 seconds, becoming sw 2 ft at 3 seconds and e 1 foot at
3 seconds. patchy fog in the morning with vsby 1 nm or less. 
.tue night...sw winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. gusts up to 25 kt. seas 2 to 3 ft. wave detail:
sw 3 ft at 4 seconds and e 1 foot at 3 seconds. a chance of
showers after midnight. 
.wed...sw winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
4 ft. wave detail: sw 4 ft at 4 seconds and e 1 foot at
4 seconds. a chance of showers in the morning. 
.wed night through thu night...sw winds 15 to 20 kt with gusts up
to 25 kt. seas 2 to 4 ft. wave detail: sw 3 ft at 4 seconds and
se 1 foot at 10 seconds. 
.fri through sat...w winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: s 2 ft at 5 seconds and se 1 foot at
10 seconds. 
.sat night...w 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 300505
cwfbox
expires:202606301800;;145173

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt tue jun 30 2026

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


anz233-301800-
vineyard sound-
104 am edt tue jun 30 2026

.rest of tonight...sw winds around 5 kt. seas around 2 ft. wave
detail: nw 1 foot at 2 seconds and e 1 foot at 2 seconds. patchy
fog. vsby 1 nm or less. 
.tue...sw winds 5 to 10 kt, increasing to 10 to 15 kt with 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 ne
1 foot at 4 seconds, becoming sw 2 ft at 4 seconds and s 1 foot
at 10 seconds. patchy fog in the morning with vsby 1 nm or less. 
.tue night...sw winds 10 to 15 kt, increasing to 15 to 20 kt with
gusts up to 25 kt after midnight. seas 2 to 4 ft. wave detail: sw
4 ft at 5 seconds and e 1 foot at 4 seconds. a chance of showers
after midnight. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: sw 4 ft at 5 seconds and e 1 foot at
5 seconds. a chance of showers in the morning. 
.wed night through thu night...sw winds 10 to 15 kt with gusts up
to 25 kt. seas 2 to 4 ft. wave detail: sw 4 ft at 6 seconds and
se 1 foot at 10 seconds. 
.fri through sat...sw winds 15 to 20 kt. seas 2 to 3 ft. wave
detail: s 3 ft at 5 seconds and w 1 foot at 2 seconds. 
.sat night...w winds 10 to 15 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 300505
cwfbox
expires:202606301800;;145174

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt tue jun 30 2026

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


anz234-301800-
buzzards bay-
104 am edt tue jun 30 2026

.rest of tonight...sw winds around 5 kt. seas 1 foot or less.
wave detail: n 1 foot at 3 seconds and s 1 foot at 6 seconds.
patchy fog. vsby 1 nm or less. 
.tue...sw winds 5 to 10 kt, becoming s 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 1 foot or less, then around 2 ft
in the afternoon. wave detail: nw 1 foot at 3 seconds and ne
1 foot at 4 seconds, becoming sw 2 ft at 3 seconds and ne 1 foot
at 3 seconds. patchy fog in the morning with vsby 1 nm or less. 
.tue 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 e 1 foot at
4 seconds. a chance of showers. 
.wed...sw winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
4 ft. wave detail: sw 4 ft at 4 seconds and e 1 foot at
5 seconds. a chance of showers in the morning. 
.wed night through thu night...sw winds 15 to 20 kt with gusts up
to 25 kt. seas 2 to 4 ft. wave detail: sw 4 ft at 5 seconds and
se 1 foot at 10 seconds. 
.fri and fri night...w winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: s 2 ft at 5 seconds and se 1 foot at
8 seconds. 
.sat...sw winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. 
.sat night...w 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 300505
cwfbox
expires:202606301800;;145175

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt tue jun 30 2026

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


anz235-301800-
rhode island sound-
104 am edt tue jun 30 2026

.rest of tonight...sw winds around 5 kt. seas around 2 ft. wave
detail: se 2 ft at 5 seconds and nw 1 foot at 2 seconds. patchy
fog. vsby 1 nm or less. 
.tue...sw winds 5 to 10 kt, becoming s 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: sw 3 ft
at 4 seconds and e 1 foot at 4 seconds. patchy fog in the morning
with vsby 1 nm or less. 
.tue night...sw winds 10 to 15 kt, increasing to 15 to 20 kt with
gusts up to 25 kt after midnight. seas 2 to 4 ft. wave detail: sw
4 ft at 5 seconds and e 2 ft at 5 seconds. a chance of showers
after midnight. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: sw 5 ft at 5 seconds and e 1 foot at
5 seconds. a chance of showers in the morning. 
.wed night and thu...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 5 ft. wave detail: sw 5 ft at 5 seconds and se 1 foot
at 10 seconds.
.thu night...sw winds 10 to 15 kt with gusts up to 25 kt. seas
2 to 4 ft. wave detail: w 4 ft at 5 seconds and se 1 foot at
3 seconds. 
.fri through sat...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 3 ft. 
.sat night...w winds 10 to 15 kt. seas 2 to 3 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 300505
cwfbox
expires:202606301800;;145178

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt tue jun 30 2026

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


anz236-301800-
narragansett bay-
104 am edt tue jun 30 2026

.rest of tonight...sw winds around 5 kt. waves 1 foot or less.
patchy fog. vsby 1 nm or less. 
.tue...s winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
waves 1 foot or less, then around 2 ft in the afternoon. patchy
fog in the morning with vsby 1 nm or less. 
.tue night...sw winds 10 to 15 kt. gusts up to 20 kt after
midnight. waves 2 to 3 ft. a chance of showers. 
.wed...sw winds 10 to 15 kt with gusts up to 25 kt. waves 2 to
3 ft. 
.wed night through thu night...sw winds 10 to 15 kt with gusts up
to 25 kt. waves 2 to 3 ft. 
.fri and fri night...w winds 10 to 15 kt with gusts up to 20 kt.
waves 2 to 3 ft. 
.sat and sat night...w winds 10 to 15 kt, diminishing to 5 to
10 kt. waves 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 300505
cwfbox
expires:202606301800;;145166

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt tue jun 30 2026

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


anz250-301800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 am edt tue jun 30 2026

.rest of tonight...sw winds around 5 kt. seas around 2 ft. wave
detail: se 2 ft at 10 seconds and n 1 foot at 3 seconds. patchy
fog. vsby 1 nm or less. 
.tue...s 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: s 3 ft
at 4 seconds and se 2 ft at 10 seconds. patchy fog in the morning
with vsby 1 nm or less. 
.tue night...s winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 4 ft. wave detail: sw 3 ft at 4 seconds and e 1 foot at
4 seconds. a chance of showers. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: sw 3 ft at 5 seconds and se 1 foot at
5 seconds. a chance of showers in the morning. 
.wed night through thu night...sw winds 15 to 20 kt with gusts up
to 25 kt. seas 2 to 4 ft. wave detail: sw 3 ft at 5 seconds and
se 1 foot at 10 seconds. 
.fri and fri night...w winds 5 to 10 kt. seas around 2 ft. wave
detail: w 1 foot at 3 seconds and se 1 foot at 6 seconds. 
.sat and 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 300505
cwfbox
expires:202606301800;;145169

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt tue jun 30 2026

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


anz254-301800-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
104 am edt tue jun 30 2026

.rest of tonight...s winds around 5 kt. seas around 2 ft. wave
detail: se 2 ft at 10 seconds and n 1 foot at 3 seconds. patchy
fog. vsby 1 nm or less. 
.tue...s 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: s 2 ft
at 4 seconds and se 2 ft at 10 seconds. patchy fog in the morning
with vsby 1 nm or less. 
.tue night...s winds 10 to 15 kt, becoming sw 15 to 20 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 10 seconds. patchy fog after
midnight. a chance of showers after midnight with vsby 1 nm or
less. 
.wed...sw winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: sw 5 ft at 5 seconds and e 1 foot at
3 seconds. a chance of showers in the morning. 
.wed night through thu night...sw winds 15 to 20 kt with gusts up
to 25 kt. seas 3 to 5 ft. wave detail: sw 5 ft at 6 seconds and
se 1 foot at 10 seconds. 
.fri through sat...w winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: s 3 ft at 6 seconds and w 1 foot at
3 seconds. 
.sat night...w 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 300505
cwfbox
expires:202606301800;;145170

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt tue jun 30 2026

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


anz255-301800-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
104 am edt tue jun 30 2026

.rest of tonight...s winds around 5 kt. seas around 2 ft. wave
detail: s 2 ft at 6 seconds and se 2 ft at 10 seconds. patchy
fog. vsby 1 nm or less. 
.tue...s winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: s 2 ft at 6 seconds and
se 2 ft at 10 seconds. patchy fog. vsby 1 nm or less. 
.tue night...s winds 10 to 15 kt, becoming sw 15 to 20 kt with
gusts up to 25 kt after midnight. seas 2 to 4 ft. wave detail: sw
4 ft at 5 seconds and se 2 ft at 10 seconds. patchy fog. vsby
1 nm or less. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
5 ft. wave detail: w 5 ft at 6 seconds and e 1 foot at 4 seconds.
.wed night and thu...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 4 to 6 ft. wave detail: w 6 ft at 6 seconds and se 1 foot at
10 seconds. a chance of showers through the day. 
.thu night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: w 5 ft at 5 seconds and se 1 foot at
3 seconds. 
.fri through sat...w winds 15 to 20 kt. seas 2 to 4 ft. 
.sat night...w winds 10 to 15 kt. seas 2 to 3 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.

$$