fzus51 kbox 270503
cwfbox
expires:202608271800;;426096

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

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


anz255-271800-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
103 am edt thu aug 27 2026

.rest of tonight...sw winds around 5 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 9 seconds and sw 1 foot at 6 seconds. 
.thu...s winds 5 to 10 kt with gusts up to 20 kt. seas 2 to 3 ft.
wave detail: se 3 ft at 8 seconds and sw 2 ft at 6 seconds. 
.thu night...s winds around 10 kt with gusts up to 20 kt. seas
3 to 4 ft. wave detail: s 3 ft at 5 seconds and se 3 ft at
9 seconds. a chance of showers after midnight. 
.fri...s winds 5 to 10 kt. seas 3 to 4 ft. wave detail: s 3 ft at
7 seconds. 
.fri night...sw winds 5 to 10 kt, becoming nw 10 to 15 kt with
gusts up to 20 kt after midnight. seas 3 to 4 ft. wave detail: s
4 ft at 7 seconds. 
.sat and sat night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. wave detail: se 4 ft at 7 seconds and sw 3 ft at
7 seconds. 
.sun through mon night...sw 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 270503
cwfbox
expires:202608271800;;426103

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

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


anz230-271800-
boston harbor-
103 am edt thu aug 27 2026

.rest of tonight...sw winds around 5 kt. waves 1 foot or less. 
.thu...s winds around 5 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. waves around 2 ft. 
.thu night...s winds 5 to 10 kt. gusts up to 20 kt in the
evening. waves around 2 ft in the evening, then 1 foot or less. a
chance of. 
.fri...s winds around 5 kt. waves 1 foot or less. a chance of
showers. 
.fri night...w winds 5 to 10 kt, becoming nw after midnight.
waves 1 foot or less, then around 2 ft after midnight. a chance
of showers in the evening. 
.sat and sat night...sw winds 5 to 10 kt. waves around 2 ft. 
.sun through mon...nw winds 5 to 10 kt. waves around 2 ft. 
.mon night...s winds 5 to 10 kt. waves 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 270503
cwfbox
expires:202608271800;;426094

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

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


anz231-271800-
cape cod bay-
103 am edt thu aug 27 2026

.rest of tonight...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 1 foot at 2 seconds and e 1 foot at 6 seconds. 
.thu...s 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 e 1 foot at 5 seconds. 
.thu night...s winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas 2 to 3 ft. wave
detail: s 1 foot at 3 seconds and e 1 foot at 10 seconds. patchy
fog after midnight. a chance of showers after midnight with vsby
1 to 3 nm. 
.fri...s winds 5 to 10 kt. seas around 2 ft. wave detail: s
1 foot at 2 seconds and e 1 foot at 9 seconds. 
.fri night...sw winds around 5 kt, becoming nw 10 to 15 kt with
gusts up to 20 kt after midnight. seas 2 to 3 ft. wave detail: sw
1 foot at 2 seconds and e 1 foot at 9 seconds. 
.sat and sat night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: n 2 ft at 4 seconds. 
.sun through mon...nw winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. 
.mon night...s 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 270503
cwfbox
expires:202608271800;;426098

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

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


anz232-271800-
nantucket sound-
103 am edt thu aug 27 2026

.rest of tonight...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 1 foot at 3 seconds and e 1 foot at 9 seconds. 
.thu...s winds 5 to 10 kt with gusts up to 20 kt. seas 2 to 3 ft.
wave detail: s 2 ft at 3 seconds and e 1 foot at 9 seconds. 
.thu night...s winds 5 to 10 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: s 2 ft at 3 seconds and e 1 foot at 9 seconds.
a chance of showers after midnight. 
.fri...s winds 5 to 10 kt. seas around 2 ft. wave detail: s 2 ft
at 5 seconds and e 1 foot at 9 seconds. 
.fri night...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: sw
2 ft at 4 seconds and se 1 foot at 8 seconds. 
.sat and sat night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: nw 2 ft at 7 seconds and ne 2 ft at
8 seconds. 
.sun through mon night...s winds 10 to 15 kt with gusts up to
20 kt. seas 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 270503
cwfbox
expires:202608271800;;426099

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

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


anz233-271800-
vineyard sound-
103 am edt thu aug 27 2026

.rest of tonight...sw winds around 5 kt. seas around 2 ft. wave
detail: sw 1 foot at 4 seconds and se 1 foot at 9 seconds. 
.thu...s winds 5 to 10 kt with gusts up to 20 kt. seas 2 to 3 ft.
wave detail: sw 2 ft at 5 seconds and se 1 foot at 9 seconds. 
.thu night...s winds 5 to 10 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: sw 2 ft at 5 seconds and se
1 foot at 9 seconds. a chance of showers after midnight. 
.fri...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. 
.fri night...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:
sw 2 ft at 6 seconds and se 2 ft at 8 seconds. 
.sat and sat night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: ne 2 ft at 6 seconds and w 2 ft at
7 seconds. 
.sun through mon...w winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. 
.mon night...sw 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 270503
cwfbox
expires:202608271800;;426100

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

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


anz234-271800-
buzzards bay-
103 am edt thu aug 27 2026

.rest of tonight...sw winds around 5 kt. seas around 2 ft. wave
detail: sw 1 foot at 4 seconds and se 1 foot at 8 seconds. 
.thu...s winds 5 to 10 kt with gusts up to 20 kt. seas 2 to 3 ft.
wave detail: sw 2 ft at 4 seconds and se 1 foot at 8 seconds. 
.thu night...s winds 5 to 10 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: s 2 ft at 4 seconds and se
1 foot at 9 seconds. patchy fog after midnight. a chance of
showers after midnight with vsby 1 to 3 nm. 
.fri...s winds 5 to 10 kt. seas around 2 ft. wave detail: sw 2 ft
at 6 seconds and se 1 foot at 10 seconds. 
.fri night...sw winds 5 to 10 kt, becoming nw with gusts up to
20 kt after midnight. seas around 2 ft. wave detail: sw 2 ft at
5 seconds and se 2 ft at 10 seconds. 
.sat and sat night...sw winds 5 to 10 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: ne 1 foot at 5 seconds and w
1 foot at 7 seconds. 
.sun through mon...w winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 3 ft. 
.mon night...s 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 270503
cwfbox
expires:202608271800;;426101

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

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


anz235-271800-
rhode island sound-
103 am edt thu aug 27 2026

.rest of tonight...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: sw 2 ft at 5 seconds and se 2 ft at 9 seconds. 
.thu...s winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: sw 2 ft at 6 seconds and se 2 ft at
9 seconds. 
.thu night...s winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. seas 2 to 3 ft. wave detail: s 3 ft at 5 seconds and se
2 ft at 9 seconds. a chance of showers and tstms after midnight. 
.fri...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s 3 ft
at 7 seconds and se 2 ft at 8 seconds. 
.fri night...w 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. 
.sat and sat night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: ne 3 ft at 7 seconds and w 2 ft at
7 seconds. 
.sun through mon night...sw winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft.  

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 270503
cwfbox
expires:202608271800;;426104

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

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


anz236-271800-
narragansett bay-
103 am edt thu aug 27 2026

.rest of tonight...sw winds around 5 kt. waves around 2 ft. 
.thu...s winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. gusts up to 20 kt. waves 2 to 3 ft. 
.thu night...s winds 5 to 10 kt. gusts up to 20 kt in the
evening. waves around 2 ft. a chance of. patchy fog after
midnight. a chance of. vsby 1 to 3 nm after midnight.
.fri...sw winds 5 to 10 kt. waves around 2 ft. a chance of
showers. patchy fog in the morning with vsby 1 to 3 nm. 
.fri night...w winds 5 to 10 kt, becoming nw after midnight.
waves around 2 ft. a chance of showers in the evening. 
.sat and sat night...sw winds 5 to 10 kt. waves around 2 ft. 
.sun through mon...w winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. 
.mon night...sw 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 270503
cwfbox
expires:202608271800;;426102

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

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


anz237-271800-
block island sound-
103 am edt thu aug 27 2026

.rest of tonight...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: se 2 ft at 9 seconds and sw 1 foot at 6 seconds. patchy
fog. vsby 1 to 3 nm. 
.thu...s winds 5 to 10 kt with gusts up to 20 kt. seas 2 to 3 ft.
wave detail: s 2 ft at 6 seconds and se 2 ft at 9 seconds. 
.thu night...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s
3 ft at 6 seconds and se 2 ft at 9 seconds. a chance of. 
.fri...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s 3 ft
at 7 seconds and se 3 ft at 8 seconds. 
.fri night...w winds 5 to 10 kt, becoming nw with gusts up to
20 kt after midnight. seas 2 to 3 ft. wave detail: s 3 ft at
7 seconds. 
.sat and sat night...sw winds 5 to 10 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: ne 3 ft at 8 seconds and sw 2 ft at
7 seconds. 
.sun through mon night...sw winds 10 to 15 kt with gusts up to
20 kt. seas 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 270503
cwfbox
expires:202608271800;;426092

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

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


anz250-271800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
103 am edt thu aug 27 2026

.rest of tonight...sw winds around 10 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 9 seconds and s 1 foot at 3 seconds. 
.thu...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: s 3 ft at 4 seconds and se 3 ft at 9 seconds. 
.thu night...s winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 4 ft. wave detail: s 3 ft at 4 seconds and se 3 ft at
9 seconds. a chance of. 
.fri...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 3 ft
at 8 seconds and s 2 ft at 4 seconds. a chance of showers. 
.fri night...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: se
3 ft at 8 seconds and nw 2 ft at 3 seconds. 
.sat and sat night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: e 3 ft at 8 seconds and nw 2 ft at
3 seconds. 
.sun through mon...nw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. 
.mon night...s 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 270503
cwfbox
expires:202608271800;;426095

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

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


anz254-271800-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
103 am edt thu aug 27 2026

.rest of tonight...sw winds 5 to 10 kt. seas around 3 ft. wave
detail: se 3 ft at 9 seconds and sw 1 foot at 5 seconds. 
.thu...s winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: se 3 ft at 9 seconds and s 2 ft at
4 seconds. 
.thu night...s winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 3 to 4 ft. wave detail: se 3 ft at 9 seconds and s
2 ft at 4 seconds. 
.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 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. 
.sat and sat night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. wave detail: se 3 ft at 7 seconds and nw 2 ft at
4 seconds. 
.sun through mon night...s winds 10 to 15 kt with gusts up to
20 kt. seas 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 kgyx 262102
cwfgyx
expires:202608271000;;409014

coastal waters forecast
national weather service gray me
502 pm edt wed aug 26 2026

coastal waters from stonington me to merrimack river ma out to 60 nm


anz154-271000-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
502 pm edt wed aug 26 2026

.tonight...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 3 ft
at 9 seconds. 
.thu...s winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 2 to 4 ft. wave detail: s 3 ft at
4 seconds and se 3 ft at 9 seconds.
.thu night...s winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. seas 3 to 5 ft. wave detail: s 4 ft at 5 seconds and se
3 ft at 9 seconds. a chance of showers after midnight. 
.fri...s winds 5 to 10 kt. seas 2 to 4 ft. wave detail: s 3 ft at
5 seconds and se 2 ft at 9 seconds. a chance of showers. 
.fri night...sw winds 5 to 10 kt, becoming n with gusts up to 20 kt
after midnight. seas 2 to 3 ft. wave detail: se 3 ft at 8 seconds
and se 2 ft at 4 seconds. a chance of showers in the evening. 
.sat...n winds 5 to 10 kt, becoming se in the afternoon. seas 2 to
3 ft. wave detail: se 2 ft at 8 seconds. 
.sat night...sw winds 5 to 10 kt. seas around 2 ft.
.sun...sw winds around 5 kt, becoming s 10 to 15 kt in the
afternoon. seas around 2 ft. 
.sun night...sw winds 10 to 15 kt, becoming w 5 to 10 kt after
midnight. seas 2 to 3 ft. 
.mon...nw winds 5 to 10 kt, becoming se in the afternoon. seas 2 to
3 ft. 
.mon night...s winds around 5 kt. seas 2 to 4 ft. a chance of
showers after midnight.  

$$