fzus51 kbox 300805
cwfbox
expires:202609302100;;289772

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

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


anz231-302100-
cape cod bay-
405 am edt wed sep 30 2026

.today...nw winds around 5 kt, becoming e this afternoon. seas
around 2 ft. wave detail: n 1 foot at 5 seconds and s 1 foot at
7 seconds. 
.tonight...sw winds 5 to 10 kt. seas around 2 ft. wave detail: ne
1 foot at 4 seconds and sw 1 foot at 4 seconds. 
.thu...sw 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: sw
1 foot at 2 seconds and ne 1 foot at 4 seconds. 
.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 ne 1 foot at
4 seconds. 
.fri...sw winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: sw 2 ft at 3 seconds and se 1 foot at
3 seconds. 
.fri night...sw winds 10 to 15 kt, becoming nw after midnight.
gusts up to 20 kt. seas 2 to 3 ft. wave detail: sw 2 ft at
3 seconds and se 1 foot at 3 seconds. a chance of showers. 
.sat through sun...e winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. 
.sun night...se 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:202609302100;;289776

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

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


anz232-302100-
nantucket sound-
405 am edt wed sep 30 2026

.today...n winds around 5 kt, becoming s this afternoon. seas
around 2 ft. wave detail: s 1 foot at 5 seconds and n 1 foot at
5 seconds. 
.tonight...sw winds 5 to 10 kt. seas around 2 ft. wave detail: n
1 foot at 4 seconds and sw 1 foot at 4 seconds. patchy fog after
midnight with vsby 1 nm or less. 
.thu...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: sw 2 ft at 4 seconds and ne 1 foot
at 4 seconds. patchy fog in the morning with vsby 1 to 3 nm. 
.thu night...sw winds around 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: sw 2 ft at 4 seconds and ne 1 foot at
4 seconds. 
.fri...sw winds 15 to 20 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
2 seconds. 
.fri night...sw winds 15 to 20 kt, becoming w 10 to 15 kt after
midnight. gusts up to 25 kt. seas 2 to 3 ft. wave detail: sw 3 ft
at 6 seconds and w 2 ft at 3 seconds. a chance of showers. 
.sat...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. a chance of showers. 
.sat night and sun...ne winds 5 to 10 kt, becoming e 10 to 15 kt.
seas around 2 ft. 
.sun night...se winds 5 to 10 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:202609302100;;289777

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

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


anz233-302100-
vineyard sound-
405 am edt wed sep 30 2026

.today...n winds around 5 kt, becoming sw this afternoon. seas
1 foot or less. wave detail: sw 1 foot at 5 seconds and n 1 foot
at 5 seconds. 
.tonight...sw winds 5 to 10 kt. seas 1 foot or less. wave detail:
sw 1 foot at 2 seconds and n 1 foot at 4 seconds. patchy fog
after midnight with vsby 1 to 3 nm. 
.thu...sw 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: sw
3 ft at 4 seconds and ne 1 foot at 4 seconds. 
.thu night...sw winds around 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: sw 3 ft at 4 seconds and e 1 foot at
9 seconds. 
.fri...sw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: sw 4 ft at 4 seconds and e 1 foot at
2 seconds. 
.fri night...sw winds 15 to 20 kt with gusts up to 25 kt,
becoming w 10 to 15 kt after midnight. seas 2 to 4 ft. wave
detail: sw 4 ft at 6 seconds and sw 2 ft at 3 seconds. a chance
of showers. 
.sat...n winds 10 to 15 kt. seas 2 to 3 ft. a chance of showers. 
.sat night and sun...e winds 5 to 10 kt. seas around 2 ft. 
.sun night...ne 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:202609302100;;289778

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

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


anz234-302100-
buzzards bay-
405 am edt wed sep 30 2026

.today...n winds around 5 kt, becoming sw this afternoon. seas
1 foot or less. wave detail: sw 1 foot at 5 seconds and n 1 foot
at 5 seconds. 
.tonight...sw winds 5 to 10 kt. seas 1 foot or less. wave detail:
sw 1 foot at 3 seconds and n 1 foot at 4 seconds. patchy fog
after midnight with vsby 1 nm or less. 
.thu...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 25 kt in the afternoon. seas 2 to 3 ft. wave detail: sw
2 ft at 4 seconds and ne 1 foot at 4 seconds. 
.thu 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 ne 1 foot at
4 seconds. 
.fri...sw winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: sw
3 ft at 4 seconds and e 1 foot at 2 seconds. 
.fri night...sw winds 15 to 20 kt with gusts up to 25 kt,
becoming w around 10 kt after midnight. seas 2 to 4 ft. wave
detail: sw 3 ft at 6 seconds and sw 2 ft at 3 seconds. a chance
of showers. 
.sat...n winds 10 to 15 kt. seas around 2 ft. a chance of
showers. 
.sat night and sun...e winds 5 to 10 kt. seas around 2 ft. 
.sun night...e 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 300805
cwfbox
expires:202609302100;;289779

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

.today...n winds around 5 kt, becoming sw around 5 kt this
afternoon. seas around 2 ft. wave detail: nw 2 ft at 3 seconds
and se 2 ft at 9 seconds. 
.tonight...sw winds 5 to 10 kt. seas around 2 ft. wave detail: se
2 ft at 9 seconds and sw 1 foot at 2 seconds. 
.thu...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and ne 1 foot
at 4 seconds. 
.thu night...sw winds around 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: sw 3 ft at 4 seconds and e 1 foot at
9 seconds. 
.fri...sw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: sw 4 ft at 6 seconds and w 2 ft at 3 seconds. 
.fri night...sw winds 15 to 20 kt with gusts up to 25 kt,
becoming w 10 to 15 kt after midnight. seas 3 to 4 ft. wave
detail: sw 4 ft at 7 seconds and sw 2 ft at 3 seconds. a chance
of showers. 
.sat...ne winds 10 to 15 kt. seas 2 to 4 ft. a chance of showers.
.sat night and sun...ne winds 5 to 10 kt, becoming e 10 to 15 kt.
seas around 2 ft. 
.sun night...ne winds around 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:202609302100;;289782

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

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


anz236-302100-
narragansett bay-
405 am edt wed sep 30 2026

.today...nw winds around 5 kt, becoming s this afternoon. waves
1 foot or less. 
.tonight...sw winds 5 to 10 kt. waves 1 foot or less. 
.thu...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. waves 2 to 3 ft. 
.thu night...sw winds 10 to 15 kt. gusts up to 20 kt in the
evening. waves around 2 ft. 
.fri...sw winds 10 to 15 kt with gusts up to 25 kt. waves 2 to
3 ft. 
.fri night...sw winds 10 to 15 kt with gusts up to 20 kt,
becoming nw after midnight. waves 2 to 3 ft. a chance of showers.
.sat through sun...e winds 5 to 10 kt. waves around 2 ft. 
.sun night...s winds 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:202609302100;;289770

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

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


anz250-302100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 am edt wed sep 30 2026

.today...n winds around 5 kt, becoming s this afternoon. seas
3 to 4 ft. wave detail: e 3 ft at 9 seconds and n 1 foot at
4 seconds. 
.tonight...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e
3 ft at 9 seconds and w 1 foot at 2 seconds. 
.thu...sw 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: e 3 ft
at 9 seconds and sw 2 ft at 3 seconds. 
.thu night...sw 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 e 2 ft at
9 seconds. 
.fri...sw 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 e 2 ft at 8 seconds. 
.fri night...sw winds 10 to 15 kt, becoming nw after midnight.
gusts up to 20 kt. seas 2 to 3 ft. wave detail: sw 3 ft at
4 seconds and e 2 ft at 11 seconds. a chance of showers. 
.sat through sun...e winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. 
.sun night...s winds 5 to 10 kt. seas 2 to 4 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:202609302100;;289773

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

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


anz254-302100-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
405 am edt wed sep 30 2026

.today...nw winds around 5 kt. seas 3 to 4 ft. wave detail: e
3 ft at 9 seconds and n 1 foot at 5 seconds. 
.tonight...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e
3 ft at 9 seconds and w 1 foot at 4 seconds. patchy fog after
midnight with vsby 1 nm or less. 
.thu...sw 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: e 3 ft
at 9 seconds and w 2 ft at 3 seconds. patchy fog in the morning
with vsby 1 nm or less. 
.thu night...sw winds around 15 kt with gusts up to 20 kt. seas
3 to 4 ft. wave detail: sw 3 ft at 4 seconds and e 2 ft at
9 seconds. 
.fri...sw winds 10 to 15 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: sw 4 ft at 5 seconds and e 2 ft at 8 seconds. 
.fri night...sw winds 15 to 20 kt, becoming w 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 e 2 ft at 11 seconds. a chance of showers. 
.sat...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. a chance of showers. 
.sat night and sun...ne winds 5 to 10 kt. seas 2 to 3 ft. 
.sun night...se winds 5 to 10 kt. seas 3 to 5 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:202609302100;;289774

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

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

$$