fzus51 kbox 131405
cwfbox
expires:202609140300;;383347

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sun sep 13 2026

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


anz231-140300-
cape cod bay-
1005 am edt sun sep 13 2026

.this afternoon...se winds around 10 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: n 1 foot at 3 seconds and se
1 foot at 3 seconds. patchy fog. showers. a slight chance of
tstms, then a chance of tstms. some tstms may produce frequent
lightning and heavy rainfall. vsby 1 to 3 nm, decreasing to 1 nm
or less. 
.tonight...w winds 5 to 10 kt. seas around 2 ft. wave detail: se
2 ft at 3 seconds and nw 1 foot at 4 seconds. patchy fog. a
chance of showers after midnight. vsby 1 nm or less. 
.mon...nw winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: n 2 ft at 4 seconds and s 1 foot at 6 seconds.
a chance of showers in the morning. 
.mon night...n winds 10 to 15 kt with gusts up to 25 kt. seas
2 to 4 ft. wave detail: n 3 ft at 4 seconds and sw 1 foot at
6 seconds. 
.tue...ne winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. gusts up to 20 kt. seas 2 to 3 ft. wave detail: n 2 ft
at 5 seconds and s 1 foot at 6 seconds. 
.tue night...e winds 5 to 10 kt, becoming s after midnight. seas
around 2 ft. wave detail: n 2 ft at 5 seconds and se 1 foot at
8 seconds. 
.wed through thu...s winds 5 to 10 kt. seas around 2 ft. 
.thu night...s 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 131405
cwfbox
expires:202609140300;;383351

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sun sep 13 2026

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


anz232-140300-
nantucket sound-
1005 am edt sun sep 13 2026

.this afternoon...se winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: se 2 ft at 3 seconds and n 1 foot at
3 seconds. patchy fog. showers. a slight chance of tstms, then a
chance of tstms. some tstms may produce frequent lightning and
heavy rainfall. vsby 1 to 3 nm, decreasing to 1 nm or less. 
.tonight...w winds 5 to 10 kt. gusts up to 20 kt in the evening.
seas 2 to 3 ft. wave detail: sw 2 ft at 6 seconds and nw 1 foot
at 3 seconds. patchy fog. vsby 1 nm or less. 
.mon...nw winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: nw 2 ft at 3 seconds and e 1 foot at
4 seconds. patchy fog in the morning. showers likely in the
morning with vsby 1 to 3 nm.
.mon night...n winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. seas 2 to 3 ft. wave detail: n
3 ft at 4 seconds and sw 1 foot at 6 seconds. 
.tue...ne winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. gusts up to 20 kt. seas 2 to 3 ft. wave detail: n 2 ft
at 4 seconds and s 1 foot at 5 seconds. 
.tue night...e winds 5 to 10 kt, becoming se after midnight. seas
around 2 ft. wave detail: n 2 ft at 5 seconds and e 1 foot at
5 seconds. 
.wed through thu 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 131405
cwfbox
expires:202609140300;;383352

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sun sep 13 2026

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


anz233-140300-
vineyard sound-
1005 am edt sun sep 13 2026

.this afternoon...se winds around 10 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: se 2 ft at 4 seconds and n 1 foot at
3 seconds. patchy fog. showers with a chance of tstms. some tstms
may produce frequent lightning and heavy rainfall. vsby 1 nm or
less. 
.tonight...w winds 5 to 10 kt. seas around 2 ft. wave detail: sw
2 ft at 6 seconds and nw 1 foot at 3 seconds. patchy fog. a
chance of showers after midnight. vsby 1 nm or less. 
.mon...nw winds around 10 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: sw 2 ft at 6 seconds and nw 1 foot at
3 seconds. showers likely in the morning. 
.mon night...n winds 10 to 15 kt with gusts up to 25 kt. seas
2 to 3 ft. wave detail: n 1 foot at 3 seconds and sw 1 foot at
6 seconds. 
.tue...ne winds 10 to 15 kt. gusts up to 20 kt in the morning.
seas 2 to 3 ft. wave detail: n 2 ft at 3 seconds and s 1 foot at
6 seconds. 
.tue night...e winds 5 to 10 kt, becoming s after midnight. seas
1 foot or less. wave detail: nw 1 foot at 3 seconds and e 1 foot
at 3 seconds. 
.wed through thu 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 131405
cwfbox
expires:202609140300;;383353

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sun sep 13 2026

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


anz234-140300-
buzzards bay-
1005 am edt sun sep 13 2026

.this afternoon...se winds around 10 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: n 2 ft at 6 seconds and se 1 foot at
4 seconds. patchy fog. showers with a chance of tstms. some tstms
may produce frequent lightning and heavy rainfall. vsby 1 nm or
less. 
.tonight...w winds 5 to 10 kt. seas around 2 ft. wave detail: w
2 ft at 5 seconds and se 1 foot at 4 seconds. patchy fog. a
chance of showers after midnight. vsby 1 nm or less. 
.mon...nw winds 5 to 10 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: w 1 foot at 4 seconds and e 1 foot at
4 seconds. a chance of showers in the morning.
.mon night...n winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: n 1 foot at 3 seconds and sw 1 foot at
6 seconds. 
.tue...ne winds 5 to 10 kt. gusts up to 20 kt in the morning.
seas around 2 ft. wave detail: n 1 foot at 3 seconds and s 1 foot
at 5 seconds. 
.tue night...e winds 5 to 10 kt, becoming s after midnight. seas
1 foot or less. wave detail: e 1 foot at 2 seconds and nw 1 foot
at 3 seconds. 
.wed through thu...s winds 5 to 10 kt. seas around 2 ft. 
.thu night...s 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 131405
cwfbox
expires:202609140300;;383354

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sun sep 13 2026

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


anz235-140300-
rhode island sound-
1005 am edt sun sep 13 2026

.this afternoon...s winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: se 3 ft at 5 seconds and n 1 foot at
3 seconds. patchy fog. showers with a chance of tstms. some tstms
may produce frequent lightning and heavy rainfall. vsby 1 nm or
less. 
.tonight...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 5 seconds and nw 1 foot at 3 seconds. patchy fog. a
chance of showers after midnight. vsby 1 nm or less. 
.mon...nw winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: se 3 ft at 5 seconds and nw 1 foot at
3 seconds. a chance of showers in the morning. 
.mon night...n winds 10 to 15 kt with gusts up to 25 kt. seas
2 to 3 ft. wave detail: n 2 ft at 3 seconds and s 2 ft at
6 seconds. 
.tue...ne winds 10 to 15 kt with gusts up to 20 kt, becoming e
5 to 10 kt in the afternoon. seas 2 to 3 ft. wave detail: n 2 ft
at 3 seconds and s 1 foot at 5 seconds. 
.tue night...e winds 5 to 10 kt, becoming s after midnight. seas
around 2 ft. wave detail: nw 1 foot at 2 seconds and e 1 foot at
4 seconds. 
.wed through thu night...s winds 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.

$$

fzus51 kbox 131405
cwfbox
expires:202609140300;;383357

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sun sep 13 2026

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


anz236-140300-
narragansett bay-
1005 am edt sun sep 13 2026

.this afternoon...se winds 5 to 10 kt. gusts up to 20 kt. waves
around 2 ft. patchy fog. showers with a chance of tstms. some
tstms may produce frequent lightning and heavy rainfall. vsby
1 nm or less. 
.tonight...w winds 5 to 10 kt. waves around 2 ft. patchy fog. a
chance of showers after midnight. vsby 1 nm or less.
.mon...nw winds around 10 kt with gusts up to 20 kt. waves around
2 ft. a chance of showers in the morning. 
.mon night...n winds around 10 kt with gusts up to 20 kt. waves
around 2 ft. 
.tue...ne winds 5 to 10 kt, becoming e in the afternoon. waves
around 2 ft. 
.tue night...s winds around 5 kt. waves 1 foot or less. 
.wed through thu...s winds 5 to 10 kt. waves around 2 ft. 
.thu night...s 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 131405
cwfbox
expires:202609140300;;383345

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sun sep 13 2026

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


anz250-140300-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1005 am edt sun sep 13 2026

.this afternoon...se winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: se 3 ft at 4 seconds and n 1 foot at
4 seconds. patchy fog. showers with a slight chance of tstms.
some tstms may produce frequent lightning and heavy rainfall.
vsby 1 to 3 nm, decreasing to 1 nm or less. 
.tonight...s winds 5 to 10 kt, becoming w after midnight. seas
around 2 ft. wave detail: se 2 ft at 4 seconds and se 2 ft at
10 seconds. patchy fog. a chance of showers after midnight. vsby
1 nm or less. 
.mon...nw winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: n 3 ft at 5 seconds and se 3 ft at 9 seconds.
a chance of showers in the morning. 
.mon night...n winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 4 ft. wave detail: n 4 ft at 5 seconds and s 2 ft at
7 seconds. 
.tue...ne 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
3 ft at 5 seconds and s 2 ft at 6 seconds. 
.tue night...se winds 5 to 10 kt, becoming s after midnight. seas
2 to 3 ft. wave detail: e 2 ft at 5 seconds and nw 1 foot at
4 seconds. 
.wed through thu...se winds 5 to 10 kt. seas 2 to 3 ft. 
.thu night...s 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 131405
cwfbox
expires:202609140300;;383348

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sun sep 13 2026

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


anz254-140300-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1005 am edt sun sep 13 2026

.this afternoon...se winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 3 ft. wave detail: se 3 ft at 4 seconds and ne 1 foot
at 3 seconds. patchy fog. showers. a slight chance of tstms, then
a chance of tstms. some tstms may produce frequent lightning and
heavy rainfall. vsby 1 to 3 nm, decreasing to 1 nm or less. 
.tonight...sw winds 10 to 15 kt with gusts up to 20 kt, becoming
w 5 to 10 kt after midnight. seas 2 to 3 ft. wave detail: se 3 ft
at 5 seconds and se 2 ft at 9 seconds. patchy fog. a chance of
showers in the evening. vsby 1 nm or less. 
.mon...nw winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: nw 3 ft at 4 seconds and s 3 ft at 7 seconds.
patchy fog in the morning. a chance of showers in the morning
with vsby 1 nm or less. 
.mon night...n winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 4 ft. wave detail: n 4 ft at 5 seconds and nw 3 ft at
4 seconds. 
.tue...ne winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: n 4 ft at 5 seconds and se 2 ft at 9 seconds. 
.tue night...e winds 5 to 10 kt, becoming se after midnight. seas
2 to 4 ft. wave detail: e 3 ft at 7 seconds and n 2 ft at
5 seconds. 
.wed through thu night...s winds 5 to 10 kt. seas 2 to 4 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 131405
cwfbox
expires:202609140300;;383349

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sun sep 13 2026

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


anz255-140300-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1005 am edt sun sep 13 2026

.this afternoon...s winds 10 to 15 kt with gusts up to 25 kt.
seas around 3 ft. wave detail: s 3 ft at 6 seconds and ne 1 foot
at 4 seconds. patchy fog. showers. a slight chance of tstms, then
a chance of tstms. some tstms may produce frequent lightning and
heavy rainfall. vsby 1 nm or less. 
.tonight...sw winds 10 to 15 kt with gusts up to 20 kt, becoming
w 5 to 10 kt after midnight. seas 2 to 3 ft. wave detail: s 3 ft
at 6 seconds and nw 2 ft at 2 seconds. patchy fog. vsby 1 nm or
less. 
.mon...nw winds 10 to 15 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: s 3 ft at 6 seconds and n 2 ft at 4 seconds.
patchy fog in the morning. a chance of showers in the morning
with vsby 1 nm or less. 
.mon night...n winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 4 ft. wave detail: n 3 ft at 4 seconds and sw 2 ft at
6 seconds. 
.tue and tue night...e winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. wave detail: n 3 ft at 5 seconds and s 1 foot at
5 seconds. 
.wed through thu night...s winds 5 to 10 kt. seas 2 to 4 ft. wave
detail: e 3 ft at 7 seconds and n 1 foot at 6 seconds.  

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.

$$