fzus51 kbox 132006
cwfbox
expires:202608140900;;134547

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt thu aug 13 2026

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


anz231-140900-
cape cod bay-
405 pm edt thu aug 13 2026

.tonight...sw winds 5 to 10 kt, becoming nw after midnight. seas
1 foot or less, then around 2 ft after midnight. wave detail: w
1 foot at 2 seconds and se 1 foot at 4 seconds, becoming nw
1 foot at 2 seconds and se 1 foot at 4 seconds. 
.fri...nw winds 10 to 15 kt, becoming n 5 to 10 kt in the
afternoon. seas around 2 ft in the morning, then 1 foot or less.
wave detail: n 1 foot at 3 seconds and s 1 foot at 5 seconds. 
.fri night...w winds around 5 kt, becoming n after midnight. seas
1 foot or less. wave detail: n 1 foot at 4 seconds and s 1 foot
at 4 seconds. 
.sat...n winds 5 to 10 kt. seas 1 foot or less. wave detail: n
1 foot at 3 seconds and s 1 foot at 5 seconds. 
.sat night...se winds around 5 kt, becoming sw around 5 kt after
midnight. seas 1 foot or less. wave detail: n 1 foot at 5 seconds
and s 1 foot at 5 seconds. 
.sun...sw winds around 5 kt, becoming s 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 1 foot or less, then around 2 ft
in the afternoon. wave detail: w 1 foot at 3 seconds and n 1 foot
at 4 seconds, becoming sw 1 foot at 3 seconds and ne 1 foot at
4 seconds. 
.sun night...s winds 10 to 15 kt with gusts up to 25 kt. seas
2 to 3 ft. showers. a chance of tstms after midnight. 
.mon...ne winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
3 ft. showers likely with a chance of tstms. 
.mon night through tue night...s winds 5 to 10 kt. seas around
2 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 132006
cwfbox
expires:202608140900;;134551

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt thu aug 13 2026

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


anz232-140900-
nantucket sound-
405 pm edt thu aug 13 2026

.tonight...w winds 5 to 10 kt, becoming nw after midnight. seas
around 2 ft. wave detail: e 1 foot at 3 seconds and sw 1 foot at
4 seconds. 
.fri...nw winds around 10 kt, becoming w in the afternoon. seas
around 2 ft in the morning, then 1 foot or less. wave detail: n
1 foot at 3 seconds and sw 1 foot at 5 seconds, becoming n 1 foot
at 2 seconds and sw 1 foot at 5 seconds. 
.fri night...w winds 5 to 10 kt, becoming n after midnight. seas
1 foot or less. wave detail: sw 1 foot at 3 seconds and ne 1 foot
at 3 seconds. 
.sat...n winds 5 to 10 kt. seas around 2 ft in the morning, then
1 foot or less. wave detail: n 1 foot at 3 seconds and s 1 foot
at 5 seconds, becoming n 1 foot at 3 seconds and s 1 foot at
6 seconds. 
.sat night and sun...s winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: s 2 ft at 3 seconds and nw 1 foot
at 3 seconds. 
.sun night...s winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. seas 2 to 4 ft. wave detail: sw 4 ft at 4 seconds and n
1 foot at 4 seconds. showers. a chance of tstms after midnight. 
.mon...w winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. showers likely with a chance of tstms. 
.mon night through tue night...se 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 132006
cwfbox
expires:202608140900;;134552

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt thu aug 13 2026

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


anz233-140900-
vineyard sound-
405 pm edt thu aug 13 2026

.tonight...w winds 5 to 10 kt, becoming nw after midnight. seas
around 2 ft. wave detail: sw 2 ft at 4 seconds and ne 1 foot at
4 seconds. 
.fri...nw winds 5 to 10 kt, becoming sw in the afternoon. seas
around 2 ft. wave detail: n 1 foot at 3 seconds and sw 1 foot at
5 seconds. 
.fri night...w winds 5 to 10 kt, becoming n after midnight. seas
1 foot or less. wave detail: n 1 foot at 3 seconds and sw 1 foot
at 4 seconds. 
.sat...n winds 5 to 10 kt. seas 1 foot or less. wave detail: n
1 foot at 3 seconds and sw 1 foot at 6 seconds. 
.sat night and sun...s 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
2 seconds. 
.sun night...s winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 3 ft, building to 3 to 5 ft after midnight. wave detail: sw
3 ft at 5 seconds and se 1 foot at 9 seconds, becoming sw 5 ft at
7 seconds and se 2 ft at 11 seconds. showers with a chance of
tstms. 
.mon...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. showers likely with a chance of tstms. 
.mon night through tue night...s 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 132006
cwfbox
expires:202608140900;;134553

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt thu aug 13 2026

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


anz234-140900-
buzzards bay-
405 pm edt thu aug 13 2026

.tonight...w winds 5 to 10 kt, becoming nw after midnight. seas
around 2 ft this evening, then 1 foot or less. wave detail: ne
1 foot at 4 seconds and sw 1 foot at 4 seconds, becoming w 1 foot
at 4 seconds and e 1 foot at 4 seconds. 
.fri...nw winds 5 to 10 kt, becoming sw in the afternoon. seas
1 foot or less, then around 2 ft in the afternoon. wave detail: n
1 foot at 3 seconds and sw 1 foot at 5 seconds, becoming n 1 foot
at 2 seconds and sw 1 foot at 4 seconds. 
.fri night...w winds 5 to 10 kt, becoming n after midnight. seas
1 foot or less. wave detail: sw 1 foot at 4 seconds and n 1 foot
at 4 seconds. 
.sat...ne winds 5 to 10 kt. seas 1 foot or less. wave detail: n
1 foot at 3 seconds and sw 1 foot at 5 seconds. 
.sat night and sun...s winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 3 ft. wave detail: s 2 ft at 3 seconds and e 1 foot at
3 seconds. 
.sun night...s winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 4 ft. wave detail: sw 4 ft at 5 seconds and nw 1 foot at
5 seconds. showers with a chance of tstms. 
.mon...w winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. showers likely with a chance of tstms. 
.mon night through tue night...s winds 10 to 15 kt with gusts up
to 20 kt. seas around 2 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 132006
cwfbox
expires:202608140900;;134554

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt thu aug 13 2026

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


anz235-140900-
rhode island sound-
405 pm edt thu aug 13 2026

.tonight...w winds 5 to 10 kt, becoming nw after midnight. seas
around 2 ft. wave detail: sw 2 ft at 5 seconds and ne 1 foot at
4 seconds. 
.fri...nw winds 5 to 10 kt, becoming sw in the afternoon. seas
around 2 ft. wave detail: sw 2 ft at 5 seconds and n 1 foot at
3 seconds. 
.fri night...w winds 5 to 10 kt, becoming n after midnight. seas
around 2 ft. wave detail: sw 2 ft at 4 seconds and n 1 foot at
3 seconds. 
.sat...n winds 5 to 10 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: n 1 foot at 3 seconds and s 1 foot at
6 seconds. 
.sat night and sun...s winds 15 to 20 kt. seas 2 to 3 ft. wave
detail: sw 3 ft at 4 seconds and e 1 foot at 2 seconds. 
.sun night...s winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 4 ft, building to 4 to 6 ft after midnight. wave detail: sw
4 ft at 5 seconds and se 1 foot at 9 seconds, becoming s 6 ft at
7 seconds and sw 2 ft at 4 seconds. showers with a chance of
tstms. 
.mon...sw winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. showers likely. 
.mon night through tue night...s 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 132006
cwfbox
expires:202608140900;;134557

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt thu aug 13 2026

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


anz236-140900-
narragansett bay-
405 pm edt thu aug 13 2026

.tonight...nw winds 5 to 10 kt. waves around 2 ft this evening,
then 1 foot or less. 
.fri...nw winds 5 to 10 kt, becoming w in the afternoon. waves
1 foot or less. 
.fri night...nw winds 5 to 10 kt, becoming n after midnight.
waves 1 foot or less. 
.sat...n winds 5 to 10 kt, becoming nw in the afternoon. waves
1 foot or less. 
.sat night and sun...s winds 10 to 15 kt with gusts up to 20 kt.
waves 2 to 3 ft. 
.sun night...s winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. waves 2 to 4 ft. showers with a chance of tstms. 
.mon...w winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
4 ft. showers likely. 
.mon night through tue night...s winds 5 to 10 kt. waves around
2 ft.  

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 132006
cwfbox
expires:202608140900;;134545

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt thu aug 13 2026

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


anz250-140900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 pm edt thu aug 13 2026

.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 1 foot at 3 seconds and se 1 foot at 4 seconds. 
.fri...nw winds 10 to 15 kt with gusts up to 20 kt, becoming w
5 to 10 kt in the afternoon. seas around 2 ft. wave detail: n
2 ft at 3 seconds and s 1 foot at 4 seconds. 
.fri night...nw winds 5 to 10 kt, becoming n after midnight. seas
around 2 ft. wave detail: n 1 foot at 3 seconds and s 1 foot at
4 seconds. 
.sat...n winds 5 to 10 kt, becoming ne in the afternoon. seas
around 2 ft. wave detail: n 2 ft at 4 seconds and s 1 foot at
5 seconds. 
.sat night...s winds around 5 kt, becoming sw after midnight.
seas around 2 ft. wave detail: n 1 foot at 3 seconds and s 1 foot
at 4 seconds. 
.sun...sw winds around 5 kt, becoming s 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: sw 2 ft
at 3 seconds and ne 1 foot at 4 seconds. 
.sun night...s winds 10 to 15 kt with gusts up to 25 kt. seas
2 to 3 ft. a chance of showers in the evening. showers likely
after midnight. 
.mon...e winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
3 ft. showers likely. 
.mon night through tue night...s winds 5 to 10 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 132006
cwfbox
expires:202608140900;;134548

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt thu aug 13 2026

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


anz254-140900-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
405 pm edt thu aug 13 2026

.tonight...w winds 5 to 10 kt, becoming nw with gusts up to 20 kt
after midnight. seas around 2 ft. wave detail: se 2 ft at
5 seconds and w 1 foot at 3 seconds. 
.fri...nw winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt in the afternoon. seas 2 to 3 ft. wave detail: n
2 ft at 4 seconds and s 1 foot at 5 seconds. 
.fri night...sw winds 5 to 10 kt, becoming n after midnight. seas
around 2 ft. wave detail: n 1 foot at 4 seconds and s 1 foot at
5 seconds. 
.sat...n winds 5 to 10 kt. seas around 2 ft. wave detail: n 2 ft
at 4 seconds and s 1 foot at 6 seconds. 
.sat night...n winds around 5 kt, becoming w around 5 kt after
midnight. seas around 2 ft. wave detail: n 1 foot at 4 seconds
and s 1 foot at 6 seconds. 
.sun...sw winds around 5 kt, becoming s 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 n 1 foot at 4 seconds. 
.sun night...s winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. seas 2 to 3 ft, building to 3 to
5 ft after midnight. a chance of showers in the evening. showers
likely after midnight. 
.mon...s winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. showers likely. 
.mon night through tue night...se 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 132006
cwfbox
expires:202608140900;;134549

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt thu aug 13 2026

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


anz255-140900-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
405 pm edt thu aug 13 2026

.tonight...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: sw
2 ft at 5 seconds and ne 1 foot at 5 seconds. 
.fri...nw winds 5 to 10 kt, becoming w in the afternoon. seas
2 to 3 ft. wave detail: sw 2 ft at 5 seconds and n 1 foot at
4 seconds. 
.fri night...w winds 5 to 10 kt, becoming n after midnight. seas
around 2 ft. wave detail: n 1 foot at 3 seconds and sw 1 foot at
5 seconds. 
.sat...ne winds 5 to 10 kt. seas around 2 ft. wave detail: n
1 foot at 3 seconds and sw 1 foot at 5 seconds. 
.sat night...se winds around 5 kt, becoming sw after midnight.
seas around 2 ft. wave detail: nw 1 foot at 3 seconds and ne
1 foot at 4 seconds. 
.sun...sw winds 5 to 10 kt, becoming s 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 ne 1 foot at 4 seconds. 
.sun night...s winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 4 ft, building to 4 to 6 ft after midnight. a chance of
showers in the evening, then showers likely with a chance of
tstms after midnight. 
.mon...sw winds 15 to 20 kt with gusts up to 25 kt. seas 5 to
7 ft. a chance of showers and tstms. 
.mon night...n winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 5 ft. 
.tue and tue night...ne winds 10 to 15 kt, becoming se 5 to
10 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.

$$