fzus51 kbox 120851
cwfbox
expires:202609122200;;316807

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
451 am edt sat sep 12 2026

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


anz231-122200-
cape cod bay-
451 am edt sat sep 12 2026

.today...e winds 5 to 10 kt, becoming se with gusts up to 20 kt
this afternoon. seas 1 foot or less, then around 2 ft this
afternoon. wave detail: n 1 foot at 4 seconds and s 1 foot at
6 seconds, becoming ne 1 foot at 3 seconds and se 1 foot at
4 seconds. 
.tonight...s winds around 10 kt. seas around 2 ft. wave detail: s
1 foot at 2 seconds and n 1 foot at 3 seconds. 
.sun...se winds around 10 kt with gusts up to 20 kt. seas around
2 ft. wave detail: nw 1 foot at 3 seconds and se 1 foot at
3 seconds. patchy fog. showers. vsby 1 to 3 nm, decreasing to
1 nm or less in the afternoon. 
.sun night...sw winds 5 to 10 kt, becoming w after midnight. seas
1 foot or less, then around 2 ft after midnight. wave detail: se
1 foot at 2 seconds and w 1 foot at 4 seconds, becoming w 1 foot
at 2 seconds and se 1 foot at 3 seconds. patchy fog. vsby 1 nm or
less, increasing to 1 to 3 nm after midnight. 
.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
5 seconds. patchy fog in the morning. a chance of showers in the
morning. 
.mon night...n winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 3 ft. wave detail: n 3 ft at 4 seconds and s 1 foot at
7 seconds. 
.tue through wed night...sw winds 10 to 15 kt with gusts up to
20 kt. seas around 2 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 120851
cwfbox
expires:202609122200;;316811

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
451 am edt sat sep 12 2026

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


anz232-122200-
nantucket sound-
451 am edt sat sep 12 2026

.today...e winds 5 to 10 kt, becoming se this afternoon. seas
around 2 ft this morning, then 1 foot or less. wave detail: n
1 foot at 3 seconds and s 1 foot at 6 seconds, becoming ne 1 foot
at 3 seconds and s 1 foot at 6 seconds. 
.tonight...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: s 1 foot at 3 seconds and ne 1 foot at
3 seconds. 
.sun...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 ne 1 foot at
4 seconds. patchy fog. showers likely in the morning. showers in
the afternoon. vsby 1 to 3 nm, decreasing to 1 nm or less in the
afternoon. 
.sun night...w winds 5 to 10 kt. gusts up to 20 kt in the
evening. seas around 2 ft. wave detail: se 2 ft at 4 seconds and
w 1 foot at 3 seconds. patchy fog. vsby 1 nm or less, increasing
to 1 to 3 nm after midnight. 
.mon...nw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: nw 2 ft at 3 seconds and se 1 foot at
5 seconds. patchy fog in the morning. a chance of showers in the
morning with vsby 1 to 3 nm. 
.mon night...n winds 15 to 20 kt. seas 2 to 3 ft. wave detail: n
3 ft at 3 seconds and se 1 foot at 6 seconds. 
.tue through wed 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 120851
cwfbox
expires:202609122200;;316812

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
451 am edt sat sep 12 2026

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


anz233-122200-
vineyard sound-
451 am edt sat sep 12 2026

.today...e winds 5 to 10 kt, becoming se this afternoon. seas
around 2 ft. wave detail: sw 2 ft at 6 seconds and n 1 foot at
3 seconds. 
.tonight...s winds around 10 kt. gusts up to 20 kt after
midnight. seas around 2 ft. wave detail: n 1 foot at 3 seconds
and se 1 foot at 4 seconds. 
.sun...se winds around 10 kt. gusts up to 20 kt in the morning.
seas around 2 ft. wave detail: se 2 ft at 5 seconds and n 1 foot
at 4 seconds. patchy fog. showers. vsby 1 to 3 nm, decreasing to
1 nm or less in the afternoon. 
.sun night...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: sw
2 ft at 6 seconds and w 1 foot at 3 seconds. patchy fog. vsby
1 nm or less, increasing to 1 to 3 nm after midnight. 
.mon...nw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: w 2 ft at 4 seconds and ne 2 ft 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
around 2 ft. wave detail: n 1 foot at 3 seconds and s 1 foot at
5 seconds. 
.tue through wed night...sw winds 10 to 15 kt. seas around 2 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 120851
cwfbox
expires:202609122200;;316813

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
451 am edt sat sep 12 2026

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


anz234-122200-
buzzards bay-
451 am edt sat sep 12 2026

.today...e winds around 5 kt, becoming se this afternoon. seas
around 2 ft. wave detail: n 1 foot at 3 seconds and sw 1 foot at
6 seconds. 
.tonight...s winds around 10 kt. gusts up to 20 kt after
midnight. seas around 2 ft. wave detail: n 1 foot at 3 seconds
and se 1 foot at 4 seconds. 
.sun...se winds around 10 kt. gusts up to 20 kt in the morning.
seas around 2 ft. wave detail: ne 2 ft at 4 seconds and s 1 foot
at 3 seconds. patchy fog. showers. vsby 1 to 3 nm, decreasing to
1 nm or less in the afternoon. 
.sun night...w winds 5 to 10 kt. seas around 2 ft. wave detail: e
1 foot at 3 seconds and sw 1 foot at 5 seconds. patchy fog. vsby
1 nm or less, increasing to 1 to 3 nm after midnight. 
.mon...nw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: ne 2 ft at 4 seconds and nw 1 foot at
2 seconds. a chance of showers in the morning. 
.mon night...n winds 10 to 15 kt. seas around 2 ft. wave detail:
n 1 foot at 3 seconds and s 1 foot at 5 seconds. 
.tue through wed night...sw winds 10 to 15 kt with gusts up to
20 kt. seas around 2 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 120851
cwfbox
expires:202609122200;;316814

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
451 am edt sat sep 12 2026

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


anz235-122200-
rhode island sound-
451 am edt sat sep 12 2026

.today...ne winds 5 to 10 kt, becoming se this afternoon. seas
around 2 ft. wave detail: s 2 ft at 6 seconds and n 1 foot at
3 seconds. 
.tonight...s winds around 10 kt. gusts up to 20 kt after
midnight. seas around 2 ft. wave detail: s 2 ft at 6 seconds and
n 1 foot at 3 seconds. 
.sun...se winds 10 to 15 kt. gusts up to 20 kt in the morning.
seas 2 to 3 ft. wave detail: se 3 ft at 5 seconds and n 1 foot at
4 seconds. patchy fog. showers. vsby 1 to 3 nm, decreasing to
1 nm or less in the afternoon. 
.sun night...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 5 seconds and w 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 20 kt. seas 2 to
3 ft. wave detail: n 2 ft at 3 seconds and s 2 ft at 6 seconds. a
chance of showers in the morning. 
.mon night...n winds 15 to 20 kt. seas 2 to 3 ft. wave detail: n
2 ft at 3 seconds and s 2 ft at 6 seconds. 
.tue through wed night...sw winds 10 to 15 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 120851
cwfbox
expires:202609122200;;316817

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
451 am edt sat sep 12 2026

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


anz236-122200-
narragansett bay-
451 am edt sat sep 12 2026

.today...ne winds around 5 kt, becoming se this afternoon. waves
around 2 ft. 
.tonight...s winds 5 to 10 kt. waves 1 foot or less, then around
2 ft after midnight. 
.sun...se winds 5 to 10 kt. waves around 2 ft. patchy fog.
showers. vsby 1 to 3 nm, decreasing to 1 nm or less in the
afternoon. 
.sun night...w winds around 5 kt. waves around 2 ft. 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. waves around
2 ft. a chance of showers in the morning. 
.mon night...n winds 5 to 10 kt. waves around 2 ft. 
.tue through wed night...sw winds 5 to 10 kt. waves around 2 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 120851
cwfbox
expires:202609122200;;316805

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
451 am edt sat sep 12 2026

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


anz250-122200-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
451 am edt sat sep 12 2026

.today...e winds 5 to 10 kt, becoming se 10 to 15 kt with gusts
up to 20 kt this afternoon. seas around 2 ft. wave detail: s 2 ft
at 5 seconds and n 1 foot at 3 seconds. 
.tonight...s winds 10 to 15 kt with gusts up to 20 kt. seas
around 2 ft. wave detail: se 2 ft at 4 seconds and n 1 foot at
3 seconds. 
.sun...se winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: se 2 ft at 4 seconds and w 1 foot at
3 seconds. patchy fog. showers. vsby 1 to 3 nm, decreasing to
1 nm or less in the afternoon. 
.sun night...s winds 5 to 10 kt, becoming w with gusts up to
20 kt after midnight. seas 2 to 3 ft. wave detail: se 2 ft at
4 seconds and sw 1 foot at 3 seconds. patchy fog. vsby 1 nm or
less, increasing to 1 to 3 nm after midnight. 
.mon...nw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: nw 3 ft at 4 seconds and e 2 ft at 6 seconds.
patchy fog 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 se 2 ft at
7 seconds. 
.tue through wed 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 120851
cwfbox
expires:202609122200;;316808

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
451 am edt sat sep 12 2026

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


anz254-122200-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
451 am edt sat sep 12 2026

.today...e winds 5 to 10 kt, becoming se this afternoon. seas
around 2 ft. wave detail: n 1 foot at 5 seconds and s 1 foot at
6 seconds. 
.tonight...s winds around 10 kt with gusts up to 20 kt. seas
around 2 ft. wave detail: s 2 ft at 6 seconds and n 1 foot at
4 seconds. 
.sun...se winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: s 2 ft at 4 seconds and n 1 foot at 3 seconds.
patchy fog. a chance of showers in the morning. showers in the
afternoon. vsby 1 to 3 nm, decreasing to 1 nm or less in the
afternoon. 
.sun night...sw winds 10 to 15 kt, becoming w 5 to 10 kt after
midnight. gusts up to 20 kt. seas 2 to 4 ft. wave detail: se 3 ft
at 5 seconds and w 1 foot at 4 seconds. patchy fog. vsby 1 nm or
less, increasing to 1 to 3 nm after midnight. 
.mon...nw winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
4 ft. wave detail: n 3 ft at 4 seconds and se 3 ft at 6 seconds.
patchy fog in the morning with vsby 1 to 3 nm. 
.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 se 2 ft at
6 seconds. 
.tue through wed night...s 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 120851
cwfbox
expires:202609122200;;316809

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
451 am edt sat sep 12 2026

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


anz255-122200-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
451 am edt sat sep 12 2026

.today...e winds 5 to 10 kt, becoming se this afternoon. seas
around 2 ft. wave detail: s 2 ft at 6 seconds and n 1 foot at
4 seconds. 
.tonight...se winds 10 to 15 kt with gusts up to 20 kt. seas
around 2 ft. wave detail: s 2 ft at 5 seconds and n 1 foot at
4 seconds. 
.sun...se winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: s 3 ft at 5 seconds and ne 1 foot at
4 seconds. patchy fog. showers. vsby 1 to 3 nm, decreasing to
1 nm or less in the afternoon. 
.sun night...w winds 5 to 10 kt. gusts up to 20 kt in the
evening. seas 3 to 4 ft. wave detail: se 3 ft at 5 seconds and w
2 ft at 2 seconds. patchy fog. vsby 1 nm or less, increasing to
1 to 3 nm after midnight. 
.mon...nw winds 10 to 15 kt with gusts up to 20 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 to 3 nm. 
.mon night...n winds 15 to 20 kt. seas 2 to 4 ft. wave detail: n
3 ft at 4 seconds and se 2 ft at 6 seconds. 
.tue through wed 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.

$$