fzus51 kbox 300805
cwfbox
expires:202606302100;;154643

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

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


anz235-302100-
rhode island sound-
405 am edt tue jun 30 2026

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

.today...sw winds 5 to 10 kt, becoming s 10 to 15 kt with gusts
up to 20 kt this afternoon. seas 2 to 3 ft. wave detail: sw 3 ft
at 4 seconds and e 1 foot at 4 seconds. patchy fog this morning
with vsby 1 nm or less. 
.tonight...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...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...sw winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 3 to 5 ft. wave detail: sw
5 ft at 6 seconds and se 1 foot at 9 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 300805
cwfbox
expires:202606302100;;154646

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

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


anz236-302100-
narragansett bay-
405 am edt tue jun 30 2026

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

.today...s winds 5 to 10 kt. gusts up to 20 kt this afternoon.
waves 1 foot or less, then around 2 ft this afternoon. patchy fog
this morning with vsby 1 nm or less. 
.tonight...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...sw winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. gusts up to 20 kt. waves 2 to 3 ft. 
.thu and 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 300805
cwfbox
expires:202606302100;;154644

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

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


anz237-302100-
block island sound-
405 am edt tue jun 30 2026

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

.today...sw winds 5 to 10 kt, becoming s 10 to 15 kt with gusts
up to 20 kt this afternoon. seas 2 to 3 ft. wave detail: sw 2 ft
at 4 seconds and se 2 ft at 10 seconds. patchy fog this morning
with vsby 1 nm or less. 
.tonight...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: s 3 ft at 5 seconds and se 1 foot at
9 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
4 seconds. a chance of showers in the morning. 
.wed night...sw winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. seas 3 to 4 ft. wave detail:
sw 4 ft at 5 seconds and se 1 foot at 10 seconds. 
.thu and thu night...sw winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: s 4 ft at 7 seconds and w 2 ft at
3 seconds. 
.fri through sat...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: w 2 ft at 3 seconds and s 2 ft at
6 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 300805
cwfbox
expires:202606302100;;154638

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

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


anz255-302100-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
405 am edt tue jun 30 2026

...small craft advisory in effect from late tonight through
thursday afternoon...

.today...s winds 5 to 10 kt, increasing to 10 to 15 kt this
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. 
.tonight...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...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 after midnight. 
.thu...sw winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. wave detail: sw 6 ft at 7 seconds and w 2 ft at 4 seconds.
a chance of showers in the morning. 
.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.

$$