fzus51 kbox 171705
cwfbox
expires:202606180600;;906490

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt wed jun 17 2026

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


anz231-180600-
cape cod bay-
105 pm edt wed jun 17 2026

...gale watch in effect from thursday morning through thursday
evening...

.this afternoon...se winds 5 to 10 kt. seas around 2 ft. wave
detail: nw 1 foot at 3 seconds and se 1 foot at 3 seconds. 
.tonight...s winds 5 to 10 kt. seas around 2 ft in the evening,
then 1 foot or less. wave detail: s 1 foot at 3 seconds and nw
1 foot at 3 seconds, becoming s 1 foot at 3 seconds and nw 1 foot
at 4 seconds. 
.thu...s winds 10 to 15 kt with gusts up to 25 kt, increasing to
15 to 20 kt with gusts up to 35 kt in the afternoon. seas 2 to
3 ft. wave detail: se 3 ft at 5 seconds. a chance of showers in
the afternoon. 
.thu night...sw winds 15 to 20 kt with gusts up to 30 kt,
diminishing to around 10 kt with gusts up to 20 kt after
midnight. seas 3 to 5 ft, subsiding to 2 ft after midnight. wave
detail: s 4 ft at 4 seconds and e 3 ft at 7 seconds, becoming s
2 ft at 4 seconds and se 1 foot at 7 seconds. patchy fog in the
evening. a chance of showers in the evening with vsby 1 nm or
less. 
.fri and fri night...w winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 3 ft. wave detail: se 3 ft at 8 seconds and w 2 ft at
3 seconds. 
.sat through sun night...sw winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft. wave detail: s 2 ft at 8 seconds and w
1 foot 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 171705
cwfbox
expires:202606180600;;906494

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt wed jun 17 2026

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


anz232-180600-
nantucket sound-
105 pm edt wed jun 17 2026

...small craft advisory in effect from thursday morning through
late thursday night...

.this afternoon...s winds 5 to 10 kt. seas around 2 ft. wave
detail: s 1 foot at 3 seconds and nw 1 foot at 5 seconds. 
.tonight...s winds 5 to 10 kt. seas around 2 ft. wave detail: se
1 foot at 6 seconds and sw 1 foot at 6 seconds. 
.thu...s winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. gusts up to 30 kt. seas 2 to 3 ft, building to 3 to
5 ft in the afternoon. wave detail: s 2 ft at 4 seconds and s
2 ft at 7 seconds, becoming se 4 ft at 7 seconds. 
.thu night...sw winds 20 to 25 kt, becoming w 15 to 20 kt after
midnight. gusts up to 30 kt. seas 3 to 5 ft. wave detail: se 4 ft
at 7 seconds and nw 1 foot at 7 seconds. patchy fog in the
evening with vsby 1 nm or less. 
.fri and fri night...w winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: w 3 ft at 4 seconds and s 2 ft at
8 seconds. 
.sat through sun night...sw winds 15 to 20 kt with gusts up to
25 kt. seas 2 to 4 ft. wave detail: w 4 ft at 4 seconds and s
2 ft at 8 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 171705
cwfbox
expires:202606180600;;906495

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt wed jun 17 2026

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


anz233-180600-
vineyard sound-
105 pm edt wed jun 17 2026

...small craft advisory in effect from thursday morning through
late thursday night...

.this afternoon...sw winds around 10 kt. seas around 2 ft. wave
detail: nw 2 ft at 6 seconds and sw 1 foot at 4 seconds. 
.tonight...s winds 5 to 10 kt. seas around 2 ft. wave detail: sw
2 ft at 8 seconds and se 1 foot at 4 seconds. 
.thu...s winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. gusts up to 30 kt. seas 2 to 4 ft, building to 4 to
6 ft in the afternoon. wave detail: s 3 ft at 7 seconds and se
3 ft at 8 seconds, becoming s 6 ft at 6 seconds and se 5 ft at
9 seconds. patchy fog in the afternoon with vsby 1 to 3 nm.
.thu night...sw winds 20 to 25 kt with gusts up to 30 kt,
becoming w 15 to 20 kt after midnight. seas 4 to 6 ft. wave
detail: sw 6 ft at 6 seconds and e 2 ft at 7 seconds. patchy fog
in the evening with vsby 1 to 3 nm. 
.fri and fri night...w winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 5 ft. wave detail: sw 5 ft at 9 seconds and w 3 ft at
5 seconds. 
.sat through sun night...sw winds 15 to 20 kt with gusts up to
25 kt. seas 2 to 4 ft. wave detail: sw 4 ft at 7 seconds and w
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 171705
cwfbox
expires:202606180600;;906496

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt wed jun 17 2026

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


anz234-180600-
buzzards bay-
105 pm edt wed jun 17 2026

...gale watch in effect from thursday morning through thursday
evening...

.this afternoon...sw winds around 10 kt. seas around 2 ft. wave
detail: nw 2 ft at 6 seconds and sw 1 foot at 3 seconds. 
.tonight...s winds 5 to 10 kt. seas around 2 ft. wave detail: se
1 foot at 4 seconds and sw 1 foot at 6 seconds. 
.thu...s winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. gusts up to 35 kt. seas 2 to 3 ft, building to 3 to
5 ft in the afternoon. wave detail: s 3 ft at 7 seconds and s
2 ft at 3 seconds, becoming se 5 ft at 6 seconds. patchy fog in
the afternoon. a chance of showers in the afternoon with vsby
1 to 3 nm. 
.thu night...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: s 5 ft at 7 seconds and nw 1 foot at
9 seconds. patchy fog in the evening with vsby 1 to 3 nm. 
.fri and fri night...w winds 15 to 20 kt with gusts up to 30 kt.
seas 2 to 4 ft. wave detail: w 4 ft at 7 seconds and se 2 ft at
8 seconds. 
.sat through sun...w winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: w 4 ft at 5 seconds and se 2 ft at
6 seconds. 
.sun 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 171705
cwfbox
expires:202606180600;;906497

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt wed jun 17 2026

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


anz235-180600-
rhode island sound-
105 pm edt wed jun 17 2026

...small craft advisory in effect from thursday morning through
friday evening...

.this afternoon...s winds 5 to 10 kt. seas around 2 ft. wave
detail: nw 2 ft at 6 seconds and s 2 ft at 7 seconds. 
.tonight...s winds 10 to 15 kt. seas 2 to 3 ft. wave detail: s
3 ft at 7 seconds and nw 1 foot at 6 seconds. 
.thu...s winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft, building to 5 to 7 ft in the afternoon. wave detail: s 5 ft
at 7 seconds and se 2 ft at 8 seconds, becoming sw 7 ft at
7 seconds and e 4 ft at 8 seconds. patchy fog in the afternoon. a
chance of showers in the afternoon with vsby 1 nm or less. 
.thu night...sw winds 20 to 25 kt with gusts up to 30 kt,
becoming w 15 to 20 kt after midnight. seas 5 to 7 ft. wave
detail: sw 7 ft at 7 seconds and e 3 ft at 7 seconds. patchy fog
in the evening with vsby 1 to 3 nm. 
.fri and fri night...w winds 15 to 20 kt with gusts up to 25 kt.
seas 4 to 6 ft. wave detail: sw 6 ft at 9 seconds and w 3 ft at
5 seconds. 
.sat and sat night...w winds 20 to 25 kt, diminishing to 15 to
20 kt. seas 3 to 5 ft. wave detail: s 5 ft at 7 seconds and w
3 ft at 4 seconds. 
.sun and sun night...w winds 15 to 20 kt, diminishing to 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.

$$

fzus51 kbox 171705
cwfbox
expires:202606180600;;906500

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt wed jun 17 2026

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


anz236-180600-
narragansett bay-
105 pm edt wed jun 17 2026

...small craft advisory in effect from thursday morning through
thursday evening...

.this afternoon...s winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. 
.tonight...s winds 5 to 10 kt. waves around 2 ft. 
.thu...s winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. gusts up to 30 kt. waves 2 to 3 ft, building to 3 to
5 ft in the afternoon. patchy fog in the afternoon. a chance of
showers in the afternoon with vsby 1 to 3 nm. 
.thu night...sw winds 15 to 20 kt with gusts up to 30 kt,
becoming w around 10 kt after midnight. waves 2 to 4 ft. patchy
fog in the evening with vsby 1 to 3 nm.
.fri and fri night...w winds 15 to 20 kt with gusts up to 25 kt.
waves 2 to 4 ft. 
.sat through sun night...w winds 15 to 20 kt with gusts up to
25 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 171705
cwfbox
expires:202606180600;;906488

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt wed jun 17 2026

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


anz250-180600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
105 pm edt wed jun 17 2026

...gale watch in effect from thursday morning through thursday
evening...

.this afternoon...se winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: se 2 ft at 7 seconds and sw 1 foot
at 3 seconds. 
.tonight...s winds 10 to 15 kt. gusts up to 20 kt in the evening.
seas around 2 ft. wave detail: sw 2 ft at 3 seconds and se 2 ft
at 6 seconds. 
.thu...s winds 15 to 20 kt with gusts up to 25 kt, increasing to
20 to 25 kt with gusts up to 40 kt in the afternoon. seas 2 to
4 ft, building to 4 to 6 ft in the afternoon. wave detail: se
3 ft at 7 seconds and sw 1 foot at 3 seconds, becoming se 6 ft at
6 seconds. patchy fog in the afternoon. a chance of showers in
the afternoon with vsby 1 to 3 nm. 
.thu night...s winds 20 to 25 kt with gusts up to 35 kt, becoming
sw 10 to 15 kt with gusts up to 20 kt after midnight. seas 4 to
6 ft. wave detail: sw 6 ft at 7 seconds and se 4 ft at 7 seconds.
patchy fog in the evening. a chance of showers in the evening
with vsby 1 to 3 nm. 
.fri and fri night...w winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: w 3 ft at 4 seconds and se 3 ft at
7 seconds. 
.sat through sun night...sw winds 10 to 15 kt with gusts up to
25 kt. seas 2 to 3 ft. wave detail: w 3 ft at 4 seconds and se
2 ft at 8 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 171705
cwfbox
expires:202606180600;;906491

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt wed jun 17 2026

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


anz254-180600-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
105 pm edt wed jun 17 2026

...small craft advisory in effect from thursday afternoon through
friday evening...

.this afternoon...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. 
.tonight...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 7 seconds and sw 1 foot at 3 seconds. patchy fog after
midnight with vsby 1 to 3 nm. 
.thu...se winds 15 to 20 kt, becoming s 20 to 25 kt in the
afternoon. gusts up to 30 kt. seas 2 to 4 ft, building to 4 to
6 ft in the afternoon. wave detail: s 3 ft at 7 seconds and s
1 foot at 3 seconds, becoming s 6 ft at 6 seconds and e 1 foot at
7 seconds. patchy fog in the afternoon with vsby 1 nm or less. 
.thu night...s winds 20 to 25 kt, becoming sw 15 to 20 kt after
midnight. gusts up to 30 kt. seas 5 to 7 ft. wave detail: w 7 ft
at 6 seconds and e 4 ft at 7 seconds. patchy fog. vsby 1 nm or
less. 
.fri and fri night...w winds 15 to 20 kt with gusts up to 25 kt.
seas 4 to 6 ft. wave detail: s 6 ft at 9 seconds and w 4 ft at
5 seconds. 
.sat and sat night...w winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 5 ft. wave detail: w 4 ft at 5 seconds and s 4 ft at
8 seconds. 
.sun and sun night...w winds 10 to 15 kt with gusts up to 20 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 171705
cwfbox
expires:202606180600;;906492

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt wed jun 17 2026

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


anz255-180600-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
105 pm edt wed jun 17 2026

...small craft advisory in effect from thursday morning through
friday evening...

.this afternoon...s winds around 5 kt. seas 2 to 3 ft. wave
detail: sw 2 ft at 6 seconds and e 1 foot at 6 seconds. 
.tonight...s winds 5 to 10 kt. seas 2 to 4 ft. wave detail: sw
3 ft at 6 seconds and e 1 foot at 6 seconds. 
.thu...s winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. gusts up to 30 kt. seas 3 to 4 ft, building to 5 to
7 ft in the afternoon. wave detail: s 4 ft at 6 seconds and e
1 foot at 8 seconds, becoming sw 7 ft at 7 seconds and e 1 foot
at 8 seconds. patchy fog in the afternoon with vsby 1 to 3 nm. 
.thu night...sw winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. gusts up to 30 kt. seas 5 to 8 ft. wave detail: s
8 ft at 7 seconds and sw 3 ft at 4 seconds. patchy fog in the
evening with vsby 1 nm or less. 
.fri and fri night...w winds 15 to 20 kt with gusts up to 25 kt.
seas 5 to 7 ft. wave detail: sw 7 ft at 9 seconds and w 5 ft at
5 seconds. 
.sat and sat night...w winds 20 to 25 kt, diminishing to 15 to
20 kt. seas 4 to 6 ft. wave detail: sw 6 ft at 7 seconds and nw
2 ft at 4 seconds. 
.sun and sun night...w winds 15 to 20 kt, becoming sw 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.

$$