fzus51 kbox 211103
cwfbox
expires:202610220000;;935678

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

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


anz231-220000-
cape cod bay-
703 am edt wed oct 21 2026

...gale warning in effect through thursday morning...

.today...ne winds 25 to 30 kt, diminishing to 20 to 25 kt this
afternoon. seas 4 to 6 ft. wave detail: n 6 ft at 5 seconds. 
.tonight...ne winds 25 to 30 kt with gusts up to 35 kt. seas 4 to
6 ft. wave detail: n 6 ft at 5 seconds. patchy fog. showers. a
chance of tstms in the evening, then tstms likely after midnight.
vsby 1 to 3 nm. 
.thu...n winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. 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
4 to 6 ft. wave detail: n 6 ft at 6 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 6 ft at 7 seconds. 
.fri night...n winds 10 to 15 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: n 5 ft at 7 seconds. 
.sat through sun night...sw 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 211103
cwfbox
expires:202610220000;;935682

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

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


anz232-220000-
nantucket sound-
703 am edt wed oct 21 2026

...gale warning in effect through thursday morning...

.today...ne winds 25 to 30 kt with gusts up to 40 kt. seas 4 to
6 ft. wave detail: ne 6 ft at 7 seconds. patchy fog this
afternoon. a chance of showers and tstms this afternoon with vsby
1 to 3 nm. 
.tonight...ne winds 25 to 35 kt, becoming n 30 to 35 kt after
midnight. seas 4 to 6 ft. wave detail: n 6 ft at 6 seconds.
patchy fog. showers. a chance of tstms in the evening, then tstms
likely after midnight. vsby 1 to 3 nm. 
.thu...n winds 25 to 35 kt with gusts up to 40 kt. seas 4 to
6 ft. wave detail: n 6 ft at 6 seconds. patchy fog in the
morning. showers with a chance of tstms in the morning with vsby
1 to 3 nm. 
.thu night...n winds 25 to 35 kt. seas 4 to 6 ft. wave detail: n
6 ft at 6 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 6 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 3 to 5 ft. wave
detail: n 4 ft at 5 seconds. 
.sat through sun night...sw winds 10 to 15 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 211103
cwfbox
expires:202610220000;;935683

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

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


anz233-220000-
vineyard sound-
703 am edt wed oct 21 2026

...gale warning in effect through thursday morning...

.today...ne winds 25 to 30 kt with gusts up to 35 kt. seas 4 to
6 ft. wave detail: n 5 ft at 6 seconds. a slight chance of
showers this afternoon. 
.tonight...ne winds 25 to 30 kt with gusts up to 35 kt. seas 3 to
5 ft. wave detail: n 5 ft at 6 seconds. patchy fog. showers. a
chance of tstms in the evening, then tstms likely after midnight.
vsby 1 to 3 nm. 
.thu...n winds 25 to 30 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 6 seconds. 
.thu night...n winds 20 to 25 kt with 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 and fri night...n winds 20 to 25 kt. seas 2 to 3 ft. wave
detail: n 3 ft at 5 seconds. 
.sat through sun night...sw winds 5 to 10 kt. seas around 2 ft.
wave detail: n 1 foot at 2 seconds and ne 1 foot at 5 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.

$$

fzus51 kbox 211103
cwfbox
expires:202610220000;;935684

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

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


anz234-220000-
buzzards bay-
703 am edt wed oct 21 2026

...gale warning in effect through thursday morning...

.today...ne winds 25 to 30 kt with gusts up to 35 kt. seas 4 to
6 ft. wave detail: n 5 ft at 5 seconds. a slight chance of
showers this afternoon. 
.tonight...ne winds 25 to 30 kt. seas 3 to 5 ft. wave detail: n
5 ft at 5 seconds. patchy fog. showers. a chance of tstms in the
evening, then tstms likely after midnight. vsby 1 to 3 nm. 
.thu...n winds 25 to 30 kt with gusts up to 35 kt. seas 3 to
5 ft. wave detail: n 5 ft at 5 seconds. 
.thu night...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 and fri night...n winds 20 to 25 kt. seas 2 to 3 ft. wave
detail: n 3 ft at 4 seconds. 
.sat through sun night...sw winds 5 to 10 kt. seas 1 foot or
less. wave detail: n 1 foot at 3 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.

$$

fzus51 kbox 211103
cwfbox
expires:202610220000;;935685

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

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


anz235-220000-
rhode island sound-
703 am edt wed oct 21 2026

...gale warning in effect through thursday morning...

.today...ne winds 25 to 30 kt with gusts up to 35 kt. seas 5 to
7 ft. wave detail: n 7 ft at 6 seconds. a slight chance of
showers this afternoon. 
.tonight...ne winds 25 to 30 kt with gusts up to 35 kt. seas 5 to
7 ft. wave detail: n 7 ft at 7 seconds. patchy fog. showers with
a chance of tstms. vsby 1 to 3 nm. 
.thu...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. 
.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 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. seas 3 to 5 ft. wave detail: n 4 ft at 5 seconds. 
.fri night...n winds 10 to 15 kt. seas 2 to 3 ft. wave detail: n
2 ft at 5 seconds. 
.sat through sun night...sw 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 211103
cwfbox
expires:202610220000;;935688

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

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


anz236-220000-
narragansett bay-
703 am edt wed oct 21 2026

...small craft advisory in effect through late tonight...

.today...ne winds 20 to 25 kt with gusts up to 30 kt. waves
around 3 ft. 
.tonight...n winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. gusts up to 30 kt. waves around 3 ft. patchy fog in the
evening. a chance of tstms in the evening. 
.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 15 to 20 kt with gusts up to 25 kt. waves
2 to 3 ft. 
.fri and fri night...n winds 15 to 20 kt. waves 2 to 3 ft. 
.sat through sun night...sw 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 211103
cwfbox
expires:202610220000;;935676

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

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


anz250-220000-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
703 am edt wed oct 21 2026

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

.today...ne winds 20 to 25 kt with gusts up to 30 kt. seas 7 to
9 ft. wave detail: e 9 ft at 9 seconds and nw 2 ft at 5 seconds. 
.tonight...ne winds 20 to 25 kt with gusts up to 30 kt. seas 7 to
9 ft. wave detail: e 9 ft at 10 seconds and nw 3 ft at 5 seconds.
a chance of showers. 
.thu...n winds 20 to 25 kt with gusts up to 30 kt. seas 6 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
6 to 9 ft. wave detail: n 9 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 n 7 ft at 7 seconds. 
.fri night...n winds 10 to 15 kt with gusts up to 20 kt. seas
5 to 7 ft. wave detail: ne 7 ft at 9 seconds and nw 2 ft at
6 seconds. 
.sat...w winds 5 to 10 kt. seas 3 to 5 ft. 
.sat night through sun night...sw winds 5 to 10 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 211103
cwfbox
expires:202610220000;;935679

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

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


anz254-220000-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
703 am edt wed oct 21 2026

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

.today...ne winds 25 to 30 kt with gusts up to 40 kt. seas 8 to
11 ft. wave detail: ne 11 ft at 9 seconds and n 5 ft at
4 seconds. patchy fog this afternoon. a chance of showers and
tstms this afternoon with vsby 1 nm or less. 
.tonight...ne winds 25 to 30 kt with gusts up to 40 kt. seas 8 to
11 ft. wave detail: e 11 ft at 10 seconds and n 5 ft at
5 seconds. patchy fog. showers. a chance of tstms in the evening,
then tstms likely after midnight. vsby 1 to 3 nm. 
.thu...n winds 25 to 35 kt with gusts up to 40 kt. seas 8 to
11 ft. wave detail: ne 11 ft at 9 seconds and n 6 ft at
6 seconds. patchy fog in the morning. showers with a chance of
tstms 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 10 ft at 9 seconds and nw 6 ft at
6 seconds. 
.fri...n winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. seas 7 to 10 ft. wave detail: ne 10 ft at 9 seconds
and nw 5 ft at 6 seconds.
.fri night...n winds 20 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...nw winds 10 to 15 kt. seas 5 to 7 ft. 
.sat night and sun...w winds 5 to 10 kt. seas 3 to 5 ft. 
.sun night...sw 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 211103
cwfbox
expires:202610220000;;935680

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

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


anz255-220000-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
703 am edt wed oct 21 2026

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

.today...ne winds 30 to 35 kt with gusts up to 40 kt. seas 7 to
10 ft. wave detail: ne 10 ft at 9 seconds and n 6 ft at
7 seconds. a slight chance of showers this morning, then showers
with a chance of tstms this afternoon. patchy fog this afternoon
with vsby 1 nm or less. 
.tonight...ne winds 30 to 40 kt. seas 8 to 11 ft. wave detail: ne
11 ft at 9 seconds and n 6 ft at 6 seconds. patchy fog. showers.
a chance of tstms in the evening, then tstms likely after
midnight. vsby 1 nm or less, increasing to 1 to 3 nm after
midnight. 
.thu...n winds 30 to 40 kt, diminishing to 25 to 35 kt in the
afternoon. seas 8 to 11 ft, subsiding to 6 to 9 ft in the
afternoon. wave detail: ne 11 ft at 9 seconds and n 6 ft at
6 seconds, becoming ne 9 ft at 9 seconds and n 5 ft at 5 seconds.
patchy fog in the morning. showers with a chance of tstms in the
morning with vsby 1 to 3 nm. 
.thu night...n winds 25 to 35 kt, becoming 30 to 35 kt after
midnight. seas 6 to 9 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, subsiding to 5 to 7 ft in the
afternoon. wave detail: ne 9 ft at 9 seconds and nw 5 ft at
5 seconds, becoming ne 7 ft at 9 seconds and nw 4 ft at
5 seconds. 
.fri night...n winds 20 to 25 kt, diminishing to around 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...n winds 10 to 15 kt, becoming w around 5 kt.
seas 3 to 5 ft. 
.sun and sun night...w 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.

$$