fzus51 kbox 280203
cwfbox
expires:202608281500;;475176

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu aug 27 2026

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


anz231-281500-
cape cod bay-
1003 pm edt thu aug 27 2026

.overnight...s winds 5 to 10 kt. seas around 2 ft. wave detail: s
1 foot at 2 seconds and e 1 foot at 11 seconds. a slight chance
of showers. 
.fri...s winds around 5 kt. seas around 2 ft. wave detail: s
1 foot at 2 seconds and e 1 foot at 10 seconds. 
.fri night...sw winds around 5 kt, becoming nw after midnight.
seas around 2 ft. wave detail: sw 1 foot at 2 seconds and e
1 foot at 10 seconds. 
.sat...ne winds 5 to 10 kt. seas around 2 ft. wave detail: nw
1 foot at 3 seconds and ne 1 foot at 7 seconds. 
.sat night through sun night...w winds 10 to 15 kt with gusts up
to 20 kt. seas around 2 ft. wave detail: n 2 ft at 5 seconds. 
.mon...n winds 5 to 10 kt. seas 1 foot or less. wave detail: w
1 foot at 2 seconds and se 1 foot at 9 seconds. 
.mon night through tue 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 280203
cwfbox
expires:202608281500;;475180

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu aug 27 2026

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


anz232-281500-
nantucket sound-
1003 pm edt thu aug 27 2026

.overnight...s winds 10 to 15 kt, diminishing to 5 to 10 kt. seas
around 2 ft. wave detail: s 2 ft at 3 seconds and se 1 foot at
9 seconds. a chance of showers.
.fri...s winds 5 to 10 kt. seas around 2 ft. wave detail: s
1 foot at 5 seconds and e 1 foot at 9 seconds. 
.fri night...sw winds 5 to 10 kt, becoming nw after midnight.
seas around 2 ft. wave detail: sw 1 foot at 3 seconds and se
1 foot at 8 seconds. patchy fog after midnight with 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 8 seconds
and w 1 foot at 6 seconds. 
.sat night through 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...w winds around 10 kt. seas around 2 ft. wave detail: w
2 ft at 3 seconds and se 1 foot at 8 seconds. 
.mon night and tue...se winds 5 to 10 kt, becoming e. seas around
2 ft. a chance of showers. 
.tue night...e 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 280203
cwfbox
expires:202608281500;;475181

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu aug 27 2026

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


anz233-281500-
vineyard sound-
1003 pm edt thu aug 27 2026

.overnight...s winds 5 to 10 kt. seas around 2 ft. wave detail: s
2 ft at 4 seconds and se 1 foot at 9 seconds. a slight chance of
showers. 
.fri...sw winds 5 to 10 kt. seas around 2 ft. wave detail: s 2 ft
at 7 seconds. 
.fri night...sw winds 5 to 10 kt, becoming nw after midnight.
seas around 2 ft. wave detail: sw 2 ft at 6 seconds and se 1 foot
at 10 seconds. patchy fog after midnight. 
.sat...n winds 10 to 15 kt, becoming e 5 to 10 kt in the
afternoon. seas around 2 ft. wave detail: sw 2 ft at 6 seconds
and ne 2 ft at 8 seconds. 
.sat night through 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 4 seconds and e
1 foot at 5 seconds. 
.mon...sw winds 5 to 10 kt. seas around 2 ft. wave detail: sw
2 ft at 5 seconds and se 1 foot at 8 seconds. 
.mon night and tue...s winds 5 to 10 kt, becoming e. seas around
2 ft. a chance of showers. 
.tue night...e 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 280203
cwfbox
expires:202608281500;;475182

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu aug 27 2026

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


anz234-281500-
buzzards bay-
1003 pm edt thu aug 27 2026

.overnight...s winds 5 to 10 kt. seas around 2 ft. wave detail: s
2 ft at 4 seconds and se 1 foot at 9 seconds. a slight chance of
showers. 
.fri...sw winds 5 to 10 kt. seas around 2 ft. wave detail: sw
1 foot at 5 seconds and se 1 foot at 9 seconds. 
.fri night...sw winds 5 to 10 kt, becoming nw after midnight.
seas around 2 ft. wave detail: sw 1 foot at 5 seconds and se
1 foot at 8 seconds. 
.sat...n winds around 10 kt, becoming e in the afternoon. seas
around 2 ft. wave detail: ne 1 foot at 5 seconds and sw 1 foot at
6 seconds. 
.sat night through 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 4 seconds and e
1 foot at 3 seconds. 
.mon...sw winds 5 to 10 kt. seas around 2 ft. wave detail: sw
1 foot at 4 seconds and se 1 foot at 8 seconds. 
.mon night through tue night...e 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 280203
cwfbox
expires:202608281500;;475183

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu aug 27 2026

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


anz235-281500-
rhode island sound-
1003 pm edt thu aug 27 2026

.overnight...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s
2 ft at 4 seconds and se 2 ft at 9 seconds. a slight chance of
showers. 
.fri...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s 3 ft
at 7 seconds. 
.fri night...sw winds 5 to 10 kt, becoming nw after midnight.
seas 2 to 3 ft. wave detail: s 3 ft at 7 seconds. patchy fog
after midnight with vsby 1 nm or less. 
.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
sw 2 ft at 6 seconds. 
.sat night through 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 7 seconds. 
.mon...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: sw 2 ft
at 5 seconds and se 1 foot at 8 seconds. 
.mon night through tue night...e 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 280203
cwfbox
expires:202608281500;;475186

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu aug 27 2026

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


anz236-281500-
narragansett bay-
1003 pm edt thu aug 27 2026

.overnight...s winds 5 to 10 kt. waves around 2 ft. a slight
chance of showers. a slight chance of tstms. 
.fri...s winds around 5 kt, increasing to 5 to 10 kt in the
afternoon. waves around 2 ft. 
.fri night...sw winds 5 to 10 kt, becoming nw after midnight.
waves around 2 ft. 
.sat...n winds 5 to 10 kt, becoming e in the afternoon. waves
around 2 ft. 
.sat night through sun night...w winds 10 to 15 kt with gusts up
to 20 kt. waves around 2 ft. 
.mon...w winds 5 to 10 kt. waves around 2 ft. 
.mon night through tue night...e 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 280203
cwfbox
expires:202608281500;;475174

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu aug 27 2026

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


anz250-281500-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1003 pm edt thu aug 27 2026

.overnight...s winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt. seas 2 to 4 ft. wave detail: s 3 ft at
4 seconds and se 3 ft at 9 seconds. a slight chance of showers. a
slight chance of tstms. 
.fri...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 3 ft
at 8 seconds and sw 2 ft at 4 seconds. 
.fri night...sw winds around 5 kt, becoming nw after midnight.
seas 2 to 3 ft. wave detail: se 3 ft at 8 seconds and sw 1 foot
at 3 seconds. 
.sat...n winds around 10 kt, becoming ne in the afternoon. seas
2 to 3 ft. wave detail: n 3 ft at 7 seconds. 
.sat night and sun...s winds 5 to 10 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: se 3 ft at 7 seconds and sw 1 foot
at 4 seconds. 
.sun night...sw winds 10 to 15 kt, becoming w 5 to 10 kt after
midnight. gusts up to 20 kt. seas 2 to 3 ft. wave detail: sw 2 ft
at 3 seconds and se 2 ft at 8 seconds. 
.mon...ne winds 5 to 10 kt. seas around 2 ft. 
.mon night...se winds around 5 kt. seas around 2 ft. a chance of
showers. 
.tue and tue night...e winds 5 to 10 kt. seas 2 to 3 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 280203
cwfbox
expires:202608281500;;475177

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu aug 27 2026

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


anz254-281500-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1003 pm edt thu aug 27 2026

.overnight...s winds 5 to 10 kt. seas around 3 ft. wave detail:
se 3 ft at 9 seconds and s 2 ft at 4 seconds. a slight chance of
showers. 
.fri...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 3 ft
at 7 seconds. 
.fri night...sw winds 5 to 10 kt, becoming w 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 5 to 10 kt. seas 2 to 3 ft. wave detail: se 3 ft
at 8 seconds and nw 2 ft at 5 seconds. 
.sat night through sun night...w winds 10 to 15 kt with gusts up
to 20 kt. seas 2 to 3 ft. wave detail: se 3 ft at 7 seconds. 
.mon...nw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: w 2 ft
at 4 seconds and se 1 foot at 8 seconds. 
.mon night and tue...e winds 5 to 10 kt. seas around 2 ft. a
chance of showers. 
.tue night...e 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 280203
cwfbox
expires:202608281500;;475178

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu aug 27 2026

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


anz255-281500-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1003 pm edt thu aug 27 2026

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

$$