fzus51 kbox 280803
cwfbox
expires:202608282100;;489798

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt fri aug 28 2026

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


anz231-282100-
cape cod bay-
403 am edt fri aug 28 2026

.today...s winds around 5 kt, becoming se this afternoon. seas
around 2 ft. wave detail: s 1 foot at 3 seconds and e 1 foot at
10 seconds. patchy fog this morning. a slight chance of showers
and tstms this afternoon. vsby 1 to 3 nm. 
.tonight...sw winds around 5 kt, becoming n 10 to 15 kt with
gusts up to 20 kt after midnight. seas 1 foot or less, then
around 2 ft after midnight. wave detail: sw 1 foot at 2 seconds
and e 1 foot at 11 seconds, becoming nw 1 foot at 3 seconds and e
1 foot at 10 seconds. 
.sat...n winds 10 to 15 kt with gusts up to 20 kt, becoming ne
5 to 10 kt in the afternoon. seas around 2 ft. wave detail: n
2 ft at 5 seconds. 
.sat night...s winds around 5 kt, becoming sw after midnight.
seas around 2 ft in the evening, then 1 foot or less. wave
detail: n 2 ft at 5 seconds, becoming w 1 foot at 4 seconds and
ne 1 foot at 5 seconds. 
.sun and sun night...w winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: w 1 foot at 3 seconds and ne 1 foot
at 5 seconds. 
.mon and mon night...n winds 5 to 10 kt, becoming se. seas 1 foot
or less. wave detail: nw 1 foot at 2 seconds and e 1 foot at
9 seconds. 
.tue and tue night...se winds 5 to 10 kt. seas 1 foot or less. 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 280803
cwfbox
expires:202608282100;;489802

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt fri aug 28 2026

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


anz232-282100-
nantucket sound-
403 am edt fri aug 28 2026

.today...s winds 5 to 10 kt. seas around 2 ft. wave detail: sw
2 ft at 6 seconds and se 1 foot at 9 seconds. 
.tonight...sw winds 5 to 10 kt, becoming nw 10 to 15 kt with
gusts up to 20 kt after midnight. seas around 2 ft. wave detail:
w 2 ft at 4 seconds and se 1 foot at 8 seconds. patchy fog. vsby
1 to 3 nm. 
.sat...n winds 10 to 15 kt with gusts up to 20 kt, becoming ne
5 to 10 kt in the afternoon. seas around 2 ft. wave detail: w
2 ft at 6 seconds and ne 2 ft at 7 seconds. 
.sat night...se winds around 5 kt, becoming sw after midnight.
seas around 2 ft. wave detail: sw 1 foot at 6 seconds and e
1 foot at 7 seconds. 
.sun and sun night...w 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 e 1 foot at
7 seconds. 
.mon and mon night...n winds 10 to 15 kt, becoming se 5 to 10 kt.
seas around 2 ft. wave detail: w 2 ft at 4 seconds and se 1 foot
at 8 seconds. 
.tue and tue 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 280803
cwfbox
expires:202608282100;;489803

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt fri aug 28 2026

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


anz233-282100-
vineyard sound-
403 am edt fri aug 28 2026

.today...s winds around 5 kt, becoming sw this afternoon. seas
around 2 ft. wave detail: s 2 ft at 7 seconds. patchy fog. a
slight chance of showers and tstms this afternoon. vsby 1 nm or
less. 
.tonight...sw winds 5 to 10 kt, becoming nw 10 to 15 kt after
midnight. seas around 2 ft. wave detail: sw 2 ft at 6 seconds and
se 2 ft at 8 seconds. patchy fog. vsby 1 to 3 nm. 
.sat...n winds 10 to 15 kt, becoming ne 5 to 10 kt in the
afternoon. seas around 2 ft. wave detail: ne 2 ft at 4 seconds
and w 2 ft at 6 seconds. 
.sat night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
e 1 foot at 5 seconds and s 1 foot at 6 seconds. 
.sun and sun night...w 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 se 1 foot
at 8 seconds. 
.mon and mon night...n winds 5 to 10 kt, becoming se. seas around
2 ft. wave detail: sw 2 ft at 5 seconds and se 1 foot at
9 seconds. 
.tue...se winds 5 to 10 kt. seas around 2 ft. a chance of
showers. 
.tue night...se winds around 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 280803
cwfbox
expires:202608282100;;489804

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt fri aug 28 2026

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


anz234-282100-
buzzards bay-
403 am edt fri aug 28 2026

.today...s winds around 5 kt, becoming sw this afternoon. seas
around 2 ft. wave detail: se 2 ft at 9 seconds and sw 1 foot at
5 seconds. patchy fog. a slight chance of showers and tstms this
afternoon. vsby 1 nm or less. 
.tonight...sw winds 5 to 10 kt, becoming n 10 to 15 kt after
midnight. seas around 2 ft. wave detail: se 2 ft at 9 seconds and
sw 1 foot at 5 seconds. patchy fog. vsby 1 to 3 nm. 
.sat...n winds 10 to 15 kt, becoming e around 5 kt in the
afternoon. seas around 2 ft. wave detail: n 1 foot at 2 seconds
and w 1 foot at 6 seconds. 
.sat night...s winds 5 to 10 kt, becoming sw after midnight. seas
around 2 ft in the evening, then 1 foot or less. wave detail: e
1 foot at 3 seconds and s 1 foot at 5 seconds, becoming sw 1 foot
at 4 seconds and se 1 foot at 7 seconds. 
.sun and sun night...w winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: sw 2 ft at 4 seconds and se 1 foot
at 7 seconds. 
.mon and mon night...n winds 5 to 10 kt, becoming se. seas around
2 ft, then 1 foot or less. wave detail: w 2 ft at 5 seconds and
se 1 foot at 9 seconds, becoming se 1 foot at 4 seconds and se
1 foot at 7 seconds. 
.tue...se winds 5 to 10 kt. seas around 2 ft. a chance of
showers. 
.tue night...se winds around 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 280803
cwfbox
expires:202608282100;;489805

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt fri aug 28 2026

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


anz235-282100-
rhode island sound-
403 am edt fri aug 28 2026

.today...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s 3 ft
at 8 seconds. patchy fog. a slight chance of showers and tstms
this afternoon. vsby 1 nm or less. 
.tonight...w winds 5 to 10 kt, becoming n 10 to 15 kt after
midnight. seas 2 to 3 ft. wave detail: s 3 ft at 7 seconds.
patchy fog. vsby 1 to 3 nm. 
.sat...n winds 10 to 15 kt, becoming e 5 to 10 kt in the
afternoon. seas 2 to 3 ft. wave detail: ne 3 ft at 7 seconds and
w 2 ft at 6 seconds. 
.sat night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
s 2 ft at 7 seconds. 
.sun and sun night...w 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 se 2 ft at
8 seconds. 
.mon and mon night...n winds 5 to 10 kt, becoming se. seas around
2 ft. wave detail: sw 2 ft at 5 seconds and se 1 foot at
8 seconds. 
.tue...se winds 5 to 10 kt. seas around 2 ft. a chance of
showers. 
.tue night...se winds 10 to 15 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 280803
cwfbox
expires:202608282100;;489808

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt fri aug 28 2026

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


anz236-282100-
narragansett bay-
403 am edt fri aug 28 2026

.today...s winds around 5 kt, increasing to 5 to 10 kt this
afternoon. waves around 2 ft. patchy fog. a slight chance of
showers and tstms this afternoon. vsby 1 nm or less, increasing
to 1 to 3 nm this afternoon. 
.tonight...w winds 5 to 10 kt, becoming n after midnight. waves
around 2 ft. patchy fog in the evening. 
.sat...n winds 5 to 10 kt, becoming se in the afternoon. waves
around 2 ft. 
.sat night...sw winds 5 to 10 kt. waves around 2 ft. 
.sun and sun night...w winds 10 to 15 kt with gusts up to 20 kt.
waves 2 to 3 ft. 
.mon and mon night...n winds 5 to 10 kt, becoming s. waves around
2 ft, then 1 foot or less. 
.tue...se winds 5 to 10 kt. waves around 2 ft. a chance of
showers. 
.tue night...se winds 5 to 10 kt. waves around 2 ft. a chance of
showers.  

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 280803
cwfbox
expires:202608282100;;489796

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt fri aug 28 2026

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


anz250-282100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
403 am edt fri aug 28 2026

.today...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 3 ft
at 8 seconds and s 2 ft at 3 seconds. patchy fog. a slight chance
of showers and tstms this afternoon. vsby 1 to 3 nm, decreasing
to 1 nm or less this afternoon. 
.tonight...sw winds 5 to 10 kt, becoming n 10 to 15 kt with gusts
up to 20 kt after midnight. seas 2 to 3 ft. wave detail: se 3 ft
at 8 seconds and nw 2 ft at 3 seconds. patchy fog in the evening
with vsby 1 nm or less. 
.sat...n winds 10 to 15 kt with gusts up to 20 kt, becoming ne
5 to 10 kt in the afternoon. seas 2 to 3 ft. wave detail: n 3 ft
at 7 seconds. 
.sat night...s winds 5 to 10 kt, becoming sw after midnight. seas
2 to 3 ft. wave detail: se 3 ft at 7 seconds and w 1 foot at
3 seconds. 
.sun...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas around 2 ft. wave detail: sw
2 ft at 3 seconds and se 2 ft at 7 seconds. 
.sun 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 se 2 ft at
8 seconds. 
.mon and mon night...ne winds 5 to 10 kt, becoming s. seas around
2 ft. 
.tue...se winds 5 to 10 kt. seas around 2 ft. a chance of
showers. 
.tue night...se 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 280803
cwfbox
expires:202608282100;;489799

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt fri aug 28 2026

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


anz254-282100-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
403 am edt fri aug 28 2026

.today...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 3 ft
at 7 seconds. patchy fog. vsby 1 to 3 nm. 
.tonight...sw winds 5 to 10 kt, becoming nw 10 to 15 kt with
gusts up to 20 kt after midnight. seas 2 to 3 ft. wave detail: s
3 ft at 7 seconds. patchy fog. vsby 1 to 3 nm, decreasing to 1 nm
or less after midnight. 
.sat...n winds 10 to 15 kt, becoming ne 5 to 10 kt in the
afternoon. seas 2 to 3 ft. wave detail: e 3 ft at 7 seconds and
nw 2 ft at 5 seconds. 
.sat night...se winds around 5 kt, becoming sw after midnight.
seas 2 to 3 ft. wave detail: e 3 ft at 6 seconds and sw 1 foot at
6 seconds. 
.sun...w winds 5 to 10 kt, becoming sw 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: sw 2 ft
at 4 seconds and se 2 ft at 7 seconds. 
.sun night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: w 3 ft at 4 seconds and se 2 ft at
8 seconds. a chance of showers after midnight. 
.mon...n winds 5 to 10 kt. seas around 2 ft. a chance of showers.
.mon night...se winds around 5 kt. seas around 2 ft. 
.tue and tue 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 280803
cwfbox
expires:202608282100;;489800

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt fri aug 28 2026

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


anz255-282100-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
403 am edt fri aug 28 2026

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

$$