fzus51 kbox 230503
cwfbox
expires:202610231800;;030755

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt fri oct 23 2026

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


anz231-231800-
cape cod bay-
103 am edt fri oct 23 2026

...gale warning in effect through this afternoon...

.rest of tonight...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 with gusts up to 30 kt. seas 5 to
7 ft. wave detail: n 7 ft at 6 seconds. 
.fri night...n winds 15 to 20 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. seas 3 to 5 ft. wave
detail: n 4 ft at 7 seconds. 
.sat...n winds 5 to 10 kt, becoming nw in the afternoon. seas
2 to 3 ft. wave detail: n 3 ft at 6 seconds. 
.sat night...w winds around 5 kt. seas 2 to 3 ft. wave detail: ne
2 ft at 7 seconds and nw 1 foot at 4 seconds. 
.sun and sun night...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: n 1 foot at 3 seconds and ne 1 foot at 7 seconds. 
.mon through tue night...ne winds 15 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 230503
cwfbox
expires:202610231800;;030759

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt fri oct 23 2026

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


anz232-231800-
nantucket sound-
103 am edt fri oct 23 2026

...gale warning in effect through this afternoon...

.rest of tonight...n winds 25 to 30 kt with gusts up to 35 kt.
seas 4 to 6 ft. wave detail: n 6 ft at 5 seconds. 
.fri...n winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. seas 4 to 6 ft. wave detail: n 5 ft at 5 seconds. 
.fri night...n winds 15 to 20 kt with gusts up to 25 kt,
diminishing to around 10 kt after midnight. seas 3 to 5 ft. wave
detail: n 4 ft at 6 seconds. 
.sat...nw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: ne 3 ft
at 10 seconds and n 1 foot at 3 seconds. 
.sat night...nw winds around 5 kt. seas 2 to 3 ft. wave detail: e
2 ft at 12 seconds and nw 1 foot at 6 seconds. 
.sun and sun night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: e 2 ft at 13 seconds and n 1 foot at 4 seconds. 
.mon through tue night...ne winds 15 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 230503
cwfbox
expires:202610231800;;030760

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt fri oct 23 2026

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


anz233-231800-
vineyard sound-
103 am edt fri oct 23 2026

...small craft advisory in effect until 8 am edt this morning...

.rest of tonight...n winds 20 to 25 kt with gusts up to 30 kt.
seas 3 to 4 ft. wave detail: n 3 ft at 4 seconds. 
.fri...n winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. gusts up to 30 kt. seas 3 to 4 ft. wave detail: n 4 ft
at 4 seconds. 
.fri night...ne winds 10 to 15 kt with gusts up to 20 kt,
becoming n 5 to 10 kt after midnight. seas 2 to 3 ft. wave
detail: n 3 ft at 5 seconds. 
.sat...n winds 5 to 10 kt, becoming w in the afternoon. seas
1 foot or less. wave detail: n 1 foot at 2 seconds and ne 1 foot
at 6 seconds. 
.sat night...nw winds around 5 kt. seas 1 foot or less. wave
detail: nw 1 foot at 4 seconds and e 1 foot at 11 seconds. 
.sun and sun night...w winds 5 to 10 kt. seas 1 foot or less.
wave detail: nw 1 foot at 2 seconds and se 1 foot at 12 seconds. 
.mon through tue night...ne 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 230503
cwfbox
expires:202610231800;;030761

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt fri oct 23 2026

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


anz234-231800-
buzzards bay-
103 am edt fri oct 23 2026

...small craft advisory in effect until 8 am edt this morning...

.rest of tonight...n winds 20 to 25 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 30 kt. seas 2 to
4 ft. wave detail: n 4 ft at 5 seconds. 
.fri night...ne winds 10 to 15 kt with gusts up to 20 kt,
becoming n 5 to 10 kt after midnight. seas 2 to 3 ft in the
evening, then 1 foot or less. wave detail: nw 3 ft at 6 seconds
and ne 2 ft at 3 seconds, becoming ne 1 foot at 3 seconds and n
1 foot at 6 seconds. 
.sat...n winds 5 to 10 kt, becoming w in the afternoon. seas
1 foot or less. wave detail: n 1 foot at 3 seconds. 
.sat night...nw winds around 5 kt. seas 1 foot or less. wave
detail: w 1 foot at 2 seconds and e 1 foot at 12 seconds. 
.sun and sun night...sw winds 5 to 10 kt. seas 1 foot or less.
wave detail: e 1 foot at 12 seconds. 
.mon through tue night...ne 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 230503
cwfbox
expires:202610231800;;030762

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt fri oct 23 2026

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


anz235-231800-
rhode island sound-
103 am edt fri oct 23 2026

...small craft advisory in effect until 8 am edt this morning...

.rest of tonight...n winds 20 to 25 kt with gusts up to 30 kt.
seas 3 to 5 ft. wave detail: n 4 ft at 5 seconds. 
.fri...n winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. gusts up to 30 kt. seas 2 to 4 ft. wave detail: n 4 ft
at 4 seconds. 
.fri night...ne winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: n 3 ft at 4 seconds. 
.sat...n winds 5 to 10 kt, becoming w in the afternoon. seas
around 2 ft. wave detail: ne 2 ft at 7 seconds and n 1 foot at
2 seconds. 
.sat night...nw winds around 5 kt. seas around 2 ft. wave detail:
se 2 ft at 13 seconds and w 1 foot at 3 seconds. 
.sun and sun night...w winds 5 to 10 kt. seas around 2 ft. wave
detail: se 2 ft at 13 seconds and nw 1 foot at 4 seconds. 
.mon through tue night...ne winds 15 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 230503
cwfbox
expires:202610231800;;030765

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt fri oct 23 2026

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


anz236-231800-
narragansett bay-
103 am edt fri oct 23 2026

.rest of tonight...n winds 15 to 20 kt with gusts up to 25 kt.
waves 2 to 3 ft. 
.fri...n winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. 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...n winds around 5 kt, becoming w around 5 kt in the
afternoon. waves 1 foot or less. 
.sat night...w winds around 5 kt. waves 1 foot or less. 
.sun and sun night...w winds around 5 kt. waves 1 foot or less. 
.mon through tue night...ne winds 10 to 15 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 230503
cwfbox
expires:202610231800;;030753

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt fri oct 23 2026

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


anz250-231800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
103 am edt fri oct 23 2026

...gale warning in effect through this afternoon...

.rest of tonight...n winds 25 to 30 kt with gusts up to 35 kt.
seas 8 to 10 ft. wave detail: n 10 ft at 7 seconds. 
.fri...n winds 20 to 25 kt with gusts up to 30 kt. seas 6 to
9 ft. wave detail: ne 9 ft at 9 seconds and nw 7 ft at 7 seconds.
.fri night...n winds 15 to 20 kt with gusts up to 25 kt,
diminishing to around 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...n winds 5 to 10 kt, becoming nw in the afternoon. seas
3 to 5 ft. wave detail: ne 5 ft at 10 seconds and n 1 foot at
4 seconds. 
.sat night...w winds around 5 kt. seas 3 to 4 ft. wave detail: e
4 ft at 12 seconds and w 2 ft at 4 seconds. 
.sun and sun night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: e 3 ft at 13 seconds. 
.mon through tue night...ne winds 15 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 230503
cwfbox
expires:202610231800;;030756

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt fri oct 23 2026

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


anz254-231800-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
103 am edt fri oct 23 2026

...gale warning in effect through this afternoon...

.rest of tonight...n winds 25 to 30 kt with gusts up to 35 kt.
seas 8 to 11 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 10 ft at 9 seconds and nw 4 ft at
5 seconds. 
.fri night...n winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. seas 6 to 9 ft, subsiding to
5 to 7 ft after midnight. wave detail: ne 8 ft at 9 seconds and
nw 3 ft at 4 seconds, becoming ne 7 ft at 9 seconds and n 2 ft at
6 seconds. 
.sat...n winds 5 to 10 kt. seas 4 to 6 ft. wave detail: ne 6 ft
at 10 seconds and nw 1 foot at 5 seconds. 
.sat night...nw winds around 5 kt. seas 3 to 5 ft. wave detail:
ne 5 ft at 12 seconds and nw 1 foot at 7 seconds. 
.sun and sun night...sw winds 5 to 10 kt. seas 2 to 4 ft. wave
detail: e 4 ft at 12 seconds and n 1 foot at 6 seconds. 
.mon through tue night...ne winds 15 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 230503
cwfbox
expires:202610231800;;030757

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt fri oct 23 2026

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


anz255-231800-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
103 am edt fri oct 23 2026

...gale warning in effect through this afternoon...

.rest of tonight...n winds 25 to 30 kt with gusts up to 35 kt.
seas 6 to 9 ft. wave detail: ne 8 ft at 8 seconds and nw 5 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, subsiding to 5 to 7 ft in the
afternoon. wave detail: ne 8 ft at 9 seconds and n 5 ft at
5 seconds, becoming ne 7 ft at 9 seconds and nw 4 ft at
5 seconds. 
.fri night...n winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. seas 5 to 7 ft, subsiding to
3 to 5 ft after midnight. wave detail: ne 6 ft at 9 seconds and n
3 ft at 5 seconds, becoming ne 5 ft at 10 seconds and n 2 ft at
4 seconds. 
.sat...n winds 5 to 10 kt. seas 3 to 5 ft. wave detail: ne 5 ft
at 10 seconds and n 2 ft at 3 seconds. 
.sat night...nw winds around 5 kt. seas 3 to 5 ft. wave detail: e
4 ft at 12 seconds and nw 1 foot at 16 seconds. 
.sun and sun night...w winds 5 to 10 kt. seas 2 to 4 ft. wave
detail: e 4 ft at 13 seconds and n 1 foot at 5 seconds. 
.mon through tue night...ne winds 15 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.

$$