fzus51 kbox 212303
cwfbox
expires:202610221200;;962875

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt wed oct 21 2026

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


anz231-221200-
cape cod bay-
703 pm edt wed oct 21 2026

...gale warning in effect through friday afternoon...

.tonight...ne winds 20 to 25 kt with gusts up to 35 kt. seas 4 to
6 ft. wave detail: n 6 ft at 5 seconds. a chance of light rain. 
.thu...n winds 20 to 25 kt with gusts up to 35 kt. seas 4 to
6 ft. wave detail: n 6 ft at 6 seconds. 
.thu night...n winds 25 to 30 kt with gusts up to 35 kt. seas
5 to 7 ft. wave detail: n 7 ft at 6 seconds. 
.fri...n winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. gusts up to 30 kt. seas 5 to 7 ft. wave detail: n 7 ft
at 7 seconds. 
.fri night...n winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas 3 to 5 ft. wave
detail: n 5 ft at 7 seconds. 
.sat and sat night...w winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: n 3 ft at 6 seconds. 
.sun through mon night...nw 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 212303
cwfbox
expires:202610221200;;962879

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt wed oct 21 2026

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


anz232-221200-
nantucket sound-
703 pm edt wed oct 21 2026

...gale warning in effect through friday afternoon...

.tonight...ne winds 25 to 30 kt with gusts up to 40 kt. seas 5 to
7 ft. wave detail: n 7 ft at 6 seconds. patchy fog. a chance of
rain. vsby 1 to 3 nm. 
.thu...n winds 25 to 30 kt with gusts up to 40 kt. seas 5 to
7 ft. wave detail: n 7 ft at 6 seconds. 
.thu night...n winds 20 to 25 kt with gusts up to 35 kt. seas
5 to 7 ft. wave detail: n 6 ft at 6 seconds. 
.fri...n winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. gusts up to 30 kt. seas 4 to 6 ft. wave detail: n 6 ft
at 6 seconds. 
.fri night...n winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. seas 3 to 5 ft. wave detail: n 4 ft at 5 seconds.
.sat and sat night...w winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: ne 3 ft at 9 seconds and n 1 foot at 3 seconds. 
.sun through mon night...nw 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 212303
cwfbox
expires:202610221200;;962880

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt wed oct 21 2026

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


anz233-221200-
vineyard sound-
703 pm edt wed oct 21 2026

...gale warning in effect through friday afternoon...

.tonight...ne winds 20 to 25 kt with gusts up to 35 kt. seas 4 to
6 ft. wave detail: n 5 ft at 6 seconds. a chance of light rain. 
.thu...n winds 20 to 25 kt with gusts up to 35 kt. seas 4 to
6 ft. wave detail: n 6 ft at 5 seconds. 
.thu night...n winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. gusts up to 30 kt. seas 3 to 4 ft. wave detail: ne 4 ft
at 7 seconds and nw 3 ft at 4 seconds. 
.fri...n winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: n 3 ft at 5 seconds. 
.fri night...ne winds 10 to 15 kt, becoming n 5 to 10 kt after
midnight. seas around 2 ft. wave detail: n 2 ft at 5 seconds. 
.sat and sat night...w winds 5 to 10 kt. seas 1 foot or less.
wave detail: n 1 foot at 2 seconds and ne 1 foot at 5 seconds. 
.sun through mon night...nw winds 5 to 10 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 212303
cwfbox
expires:202610221200;;962881

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt wed oct 21 2026

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


anz234-221200-
buzzards bay-
703 pm edt wed oct 21 2026

...gale warning in effect through friday afternoon...

.tonight...ne winds 20 to 25 kt with gusts up to 35 kt. seas 4 to
6 ft. wave detail: n 6 ft at 5 seconds. a chance of light rain. 
.thu...n winds 20 to 25 kt with gusts up to 35 kt. seas 4 to
6 ft, subsiding to 3 to 4 ft in the afternoon. wave detail: n
6 ft at 5 seconds, becoming n 4 ft at 5 seconds. 
.thu night...n winds 15 to 20 kt with gusts up to 30 kt. seas
around 3 ft. wave detail: n 3 ft at 4 seconds. 
.fri...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. 
.fri night...n winds 5 to 10 kt. seas around 2 ft in the evening,
then 1 foot or less. wave detail: n 2 ft at 5 seconds, becoming
ne 1 foot at 3 seconds and n 1 foot at 7 seconds. 
.sat and sat night...w winds 5 to 10 kt. seas 1 foot or less.
wave detail: n 1 foot at 3 seconds. 
.sun through mon night...nw winds 5 to 10 kt. seas 1 foot or
less.  

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 212303
cwfbox
expires:202610221200;;962882

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt wed oct 21 2026

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


anz235-221200-
rhode island sound-
703 pm edt wed oct 21 2026

...gale warning in effect through thursday evening...

.tonight...ne winds 25 to 30 kt with gusts up to 35 kt. seas 5 to
8 ft. wave detail: n 8 ft at 7 seconds. a chance of light rain. 
.thu...n winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. seas 5 to 8 ft. wave detail: n 8 ft at 6 seconds. 
.thu night...n winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. wave detail: ne 5 ft at 8 seconds and n 4 ft at
4 seconds. 
.fri...n winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: n 4 ft at 5 seconds. 
.fri night...ne winds 10 to 15 kt, becoming n 5 to 10 kt after
midnight. seas 2 to 3 ft. wave detail: n 2 ft at 5 seconds. 
.sat and sat night...w winds 5 to 10 kt. seas around 2 ft. wave
detail: ne 2 ft at 6 seconds and n 1 foot at 3 seconds. 
.sun through mon night...nw 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 212303
cwfbox
expires:202610221200;;962885

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt wed oct 21 2026

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


anz236-221200-
narragansett bay-
703 pm edt wed oct 21 2026

...small craft advisory in effect through thursday evening...

.tonight...ne winds 15 to 20 kt, becoming n 20 to 25 kt after
midnight. gusts up to 30 kt. waves 2 to 3 ft. a slight chance of
light rain. 
.thu...n winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. gusts up to 30 kt. waves 2 to 3 ft. 
.thu night...n winds 10 to 15 kt with gusts up to 25 kt. waves
2 to 3 ft. 
.fri...n winds 10 to 15 kt with gusts up to 25 kt. waves 2 to
3 ft. 
.fri night...n winds 5 to 10 kt. waves around 2 ft in the
evening, then 1 foot or less. 
.sat and sat night...w winds around 5 kt. waves 1 foot or less. 
.sun through mon night...nw 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 212303
cwfbox
expires:202610221200;;962873

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt wed oct 21 2026

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


anz250-221200-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
703 pm edt wed oct 21 2026

...small craft advisory in effect through thursday morning...
...gale warning in effect from thursday morning through friday
afternoon...

.tonight...ne winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. gusts up to 35 kt. seas 8 to 9 ft. wave detail: e 9 ft
at 10 seconds and nw 3 ft at 5 seconds. a slight chance of light
rain. 
.thu...n winds 20 to 25 kt with gusts up to 35 kt. seas 7 to
9 ft. wave detail: e 9 ft at 9 seconds and n 5 ft at 6 seconds. 
.thu night...n winds 25 to 30 kt with gusts up to 35 kt. seas
7 to 10 ft. wave detail: n 10 ft at 7 seconds. 
.fri...n winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. gusts up to 30 kt. seas 8 to 10 ft, subsiding to 6 to
9 ft in the afternoon. wave detail: ne 10 ft at 9 seconds and n
7 ft at 7 seconds, becoming ne 9 ft at 9 seconds and n 5 ft at
6 seconds. 
.fri night...n winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas 5 to 7 ft. wave
detail: ne 7 ft at 9 seconds and nw 2 ft at 6 seconds. 
.sat and sat night...w winds 5 to 10 kt. seas 3 to 5 ft. wave
detail: nw 5 ft at 3 seconds and ne 5 ft at 9 seconds. 
.sun through mon night...nw 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 212303
cwfbox
expires:202610221200;;962876

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt wed oct 21 2026

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


anz254-221200-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
703 pm edt wed oct 21 2026

...gale warning in effect through friday afternoon...

.tonight...ne winds 25 to 30 kt. gusts up to 45 kt after
midnight. seas 9 to 12 ft. wave detail: e 12 ft at 10 seconds and
n 5 ft at 5 seconds. patchy fog. rain likely. vsby 1 to 3 nm. 
.thu...n winds 25 to 30 kt with gusts up to 45 kt. seas 9 to
12 ft. wave detail: ne 12 ft at 9 seconds and n 6 ft at
6 seconds. a chance of light rain in the morning. 
.thu night...n winds 25 to 30 kt with gusts up to 35 kt. seas
9 to 12 ft. wave detail: ne 11 ft at 9 seconds and nw 6 ft at
6 seconds. 
.fri...n winds 20 to 25 kt with gusts up to 30 kt. seas 8 to
11 ft. wave detail: ne 11 ft at 9 seconds and nw 5 ft at
6 seconds. 
.fri night...n winds 15 to 20 kt with gusts up to 25 kt,
diminishing to 10 to 15 kt after midnight. seas 6 to 9 ft. wave
detail: ne 9 ft at 9 seconds and n 4 ft at 6 seconds. 
.sat...n winds 5 to 10 kt. seas 4 to 6 ft. wave detail: ne 6 ft
at 9 seconds and nw 2 ft at 6 seconds. 
.sat night...w winds around 5 kt. seas 3 to 5 ft. 
.sun and sun night...sw winds 5 to 10 kt. seas 2 to 4 ft. 
.mon and mon night...sw winds 5 to 10 kt, becoming nw 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 212303
cwfbox
expires:202610221200;;962877

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt wed oct 21 2026

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


anz255-221200-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
703 pm edt wed oct 21 2026

...gale warning in effect through friday afternoon...

.tonight...ne winds 25 to 30 kt with gusts up to 45 kt. seas 9 to
12 ft. wave detail: ne 12 ft at 9 seconds and n 6 ft at
6 seconds. patchy fog. rain likely. vsby 1 to 3 nm. 
.thu...n winds 25 to 30 kt with gusts up to 45 kt. seas 9 to
13 ft, subsiding to 8 to 11 ft in the afternoon. wave detail: ne
12 ft at 9 seconds and n 6 ft at 6 seconds, becoming ne 11 ft at
9 seconds and n 5 ft at 5 seconds. patchy fog in the morning. a
chance of light rain in the morning with vsby 1 to 3 nm. 
.thu night...n winds 25 to 30 kt with gusts up to 35 kt. seas
7 to 10 ft. wave detail: ne 9 ft at 8 seconds and nw 6 ft at
5 seconds. 
.fri...n winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. seas 6 to 9 ft. wave detail: ne 9 ft at 9 seconds and
nw 5 ft at 5 seconds. 
.fri night...n winds 15 to 20 kt with gusts up to 25 kt,
diminishing to 10 to 15 kt after midnight. seas 5 to 7 ft. wave
detail: ne 7 ft at 9 seconds and nw 3 ft at 5 seconds. 
.sat and sat night...w winds 5 to 10 kt. seas 3 to 5 ft. wave
detail: ne 5 ft at 9 seconds and nw 2 ft at 3 seconds. 
.sun and sun night...w winds 5 to 10 kt. seas 2 to 4 ft. 
.mon and mon night...w winds 5 to 10 kt, becoming nw 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.

$$