fzus51 kbox 251103
cwfbox
expires:202609260000;;028194

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am edt fri sep 25 2026

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


anz231-260000-
cape cod bay-
703 am edt fri sep 25 2026

...storm warning in effect through saturday evening...

.today...ne winds 20 to 25 kt, increasing to 25 to 30 kt this
afternoon. gusts up to 45 kt. seas 5 to 7 ft. wave detail: e 7 ft
at 12 seconds and n 6 ft at 5 seconds. patchy fog this afternoon.
rain likely this afternoon.
.tonight...ne winds 25 to 30 kt with gusts up to 55 kt. seas 6 to
9 ft. wave detail: e 9 ft at 12 seconds and n 8 ft at 6 seconds.
patchy fog. rain likely. 
.sat...ne winds 25 to 30 kt with gusts up to 55 kt. seas 6 to
9 ft. wave detail: e 9 ft at 11 seconds and n 8 ft at 7 seconds.
patchy fog. rain. vsby 1 to 3 nm. 
.sat night...ne winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. gusts up to 50 kt. seas 5 to 8 ft. wave detail: e
8 ft at 12 seconds and ne 7 ft at 7 seconds. rain. patchy fog in
the evening. vsby 1 to 3 nm. 
.sun...ne winds 15 to 20 kt with gusts up to 45 kt. seas 5 to
7 ft. wave detail: n 5 ft at 7 seconds and se 2 ft at 10 seconds.
rain.
.sun night...ne winds 25 to 30 kt with gusts up to 40 kt,
diminishing to 20 to 25 kt with gusts up to 30 kt after midnight.
seas 4 to 6 ft. wave detail: n 6 ft at 7 seconds and se 2 ft at
10 seconds. rain.
.mon...ne winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. rain.
.mon night...n winds 10 to 15 kt with gusts up to 25 kt. seas
3 to 5 ft. a chance of showers. 
.tue and tue night...nw winds 10 to 15 kt with gusts up to 20 kt,
becoming w around 5 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 251103
cwfbox
expires:202609260000;;028198

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am edt fri sep 25 2026

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


anz232-260000-
nantucket sound-
703 am edt fri sep 25 2026

...storm warning in effect through saturday evening...

.today...ne winds 25 to 30 kt. gusts up to 40 kt, increasing to
50 kt this afternoon. seas 5 to 7 ft. wave detail: n 7 ft at
5 seconds and e 6 ft at 11 seconds. a chance of rain this
morning, then rain this afternoon. patchy fog this afternoon with
vsby 1 to 3 nm. 
.tonight...ne winds 30 to 35 kt with gusts up to 55 kt. seas 6 to
9 ft. wave detail: n 6 ft at 6 seconds and e 6 ft at 11 seconds.
patchy fog. rain. vsby 1 to 3 nm in the evening. 
.sat...ne winds 25 to 30 kt with gusts up to 55 kt. seas 6 to
9 ft, subsiding to 5 to 7 ft in the afternoon. wave detail: n
7 ft at 10 seconds and ne 6 ft at 5 seconds, becoming ne 5 ft at
5 seconds and e 5 ft at 11 seconds. patchy fog. rain. vsby 1 to
3 nm. 
.sat night...ne winds 20 to 25 kt with gusts up to 45 kt. seas
5 to 7 ft. wave detail: e 5 ft at 11 seconds and ne 4 ft at
5 seconds. rain. patchy fog in the evening. vsby 1 to 3 nm. 
.sun...ne winds 15 to 20 kt. gusts up to 45 kt, decreasing to
35 kt in the afternoon. seas 4 to 6 ft. wave detail: ne 4 ft at
5 seconds and e 4 ft at 10 seconds. rain.
.sun night...ne winds 25 to 30 kt with gusts up to 35 kt,
diminishing to 20 to 25 kt after midnight. seas 3 to 5 ft. wave
detail: e 5 ft at 6 seconds and s 2 ft at 8 seconds. rain.
.mon...ne winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. rain likely. 
.mon night...n winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. a chance of showers. 
.tue and tue night...nw winds 10 to 15 kt, becoming w 5 to 10 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 251103
cwfbox
expires:202609260000;;028199

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am edt fri sep 25 2026

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


anz233-260000-
vineyard sound-
703 am edt fri sep 25 2026

...storm warning in effect through saturday evening...

.today...ne winds 25 to 30 kt. gusts up to 40 kt, increasing to
50 kt this afternoon. seas 4 to 6 ft. wave detail: n 6 ft at
5 seconds and se 2 ft at 12 seconds. a slight chance of rain this
morning, then rain this afternoon. patchy fog this afternoon with
vsby 1 to 3 nm. 
.tonight...ne winds 30 to 35 kt with gusts up to 55 kt. seas 4 to
6 ft. wave detail: n 6 ft at 6 seconds and se 3 ft at 12 seconds.
patchy fog. rain.
.sat...ne winds 25 to 30 kt with gusts up to 55 kt. seas 4 to
6 ft. wave detail: n 6 ft at 6 seconds and se 2 ft at 11 seconds.
patchy fog. rain. vsby 1 to 3 nm. 
.sat night...ne winds 25 to 30 kt with gusts up to 55 kt,
diminishing to 20 to 25 kt with gusts up to 45 kt after midnight.
seas 4 to 6 ft. wave detail: ne 6 ft at 4 seconds and e 5 ft at
10 seconds. rain. patchy fog in the evening. vsby 1 to 3 nm. 
.sun...ne winds 20 to 25 kt with gusts up to 45 kt, diminishing
to 15 to 20 kt with gusts up to 35 kt in the afternoon. seas 4 to
6 ft. wave detail: e 4 ft at 10 seconds and ne 3 ft at 4 seconds.
rain.
.sun night...ne winds 20 to 25 kt with gusts up to 35 kt,
diminishing to 15 to 20 kt with gusts up to 25 kt after midnight.
seas 3 to 5 ft. wave detail: ne 3 ft at 4 seconds and s 3 ft at
8 seconds. rain. a chance of tstms in the evening. 
.mon...ne winds around 15 kt with gusts up to 25 kt. seas 2 to
3 ft. rain.
.mon night...n winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. a chance of showers. 
.tue and tue night...nw winds 10 to 15 kt, becoming w 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 251103
cwfbox
expires:202609260000;;028200

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am edt fri sep 25 2026

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


anz234-260000-
buzzards bay-
703 am edt fri sep 25 2026

...storm warning in effect through saturday evening...

.today...ne winds 20 to 25 kt, increasing to 25 to 30 kt this
afternoon. gusts up to 45 kt. seas 4 to 6 ft. wave detail: n 6 ft
at 5 seconds and e 2 ft at 10 seconds. a slight chance of rain
this morning, then rain likely this afternoon. patchy fog this
afternoon. 
.tonight...ne winds 25 to 30 kt with gusts up to 55 kt. seas 4 to
6 ft. wave detail: n 6 ft at 5 seconds and e 2 ft at 11 seconds.
patchy fog. rain.
.sat...n winds 25 to 30 kt with gusts up to 55 kt. seas 4 to
6 ft. wave detail: n 6 ft at 8 seconds and ne 5 ft at 4 seconds.
patchy fog. rain. vsby 1 to 3 nm. 
.sat night...ne winds 20 to 25 kt with gusts up to 50 kt. seas
4 to 6 ft. wave detail: nw 6 ft at 9 seconds and ne 4 ft at
4 seconds. rain. patchy fog in the evening. vsby 1 to 3 nm. 
.sun...ne winds 15 to 20 kt. gusts up to 45 kt, decreasing to
35 kt in the afternoon. seas 4 to 6 ft. wave detail: ne 3 ft at
4 seconds and se 2 ft at 11 seconds. rain.
.sun night...ne winds 20 to 25 kt. gusts up to 35 kt in the
evening. seas 3 to 5 ft. wave detail: ne 3 ft at 4 seconds and s
2 ft at 8 seconds. rain.
.mon...ne winds around 15 kt with gusts up to 25 kt. seas 2 to
4 ft. rain.
.mon night...n winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. a chance of showers. 
.tue and tue night...w winds 5 to 10 kt. seas around 2 ft, then
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 251103
cwfbox
expires:202609260000;;028201

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am edt fri sep 25 2026

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


anz235-260000-
rhode island sound-
703 am edt fri sep 25 2026

...storm warning in effect through saturday evening...

.today...ne winds 25 to 35 kt. gusts up to 40 kt, increasing to
50 kt this afternoon. seas 6 to 9 ft. wave detail: n 7 ft at
5 seconds and se 7 ft at 13 seconds. a slight chance of rain this
morning, then rain likely this afternoon. patchy fog this
afternoon with vsby 1 to 3 nm. 
.tonight...ne winds 30 to 40 kt with gusts up to 55 kt. seas 7 to
10 ft. wave detail: n 8 ft at 6 seconds and se 7 ft at
12 seconds. patchy fog. rain.
.sat...n winds 25 to 35 kt with gusts up to 60 kt. seas 6 to
9 ft. wave detail: n 8 ft at 6 seconds and se 6 ft at 12 seconds.
patchy fog. rain. vsby 1 to 3 nm. 
.sat night...n winds 25 to 30 kt, becoming ne 20 to 25 kt after
midnight. gusts up to 55 kt. seas 5 to 8 ft. wave detail: ne 7 ft
at 5 seconds and se 6 ft at 10 seconds. rain. patchy fog in the
evening. vsby 1 to 3 nm. 
.sun...ne winds 20 to 25 kt with gusts up to 45 kt. seas 4 to
6 ft. wave detail: s 6 ft at 9 seconds and ne 5 ft at 5 seconds.
rain.
.sun night...ne winds 20 to 25 kt. gusts up to 40 kt in the
evening. seas 3 to 5 ft. wave detail: ne 5 ft at 5 seconds and s
5 ft at 8 seconds. rain. a chance of tstms in the evening. 
.mon...ne winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. rain likely. 
.mon night...n winds 15 to 20 kt. seas 2 to 3 ft. a chance of
showers. 
.tue and tue night...nw winds 10 to 15 kt, becoming w 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 251103
cwfbox
expires:202609260000;;028204

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am edt fri sep 25 2026

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


anz236-260000-
narragansett bay-
703 am edt fri sep 25 2026

...storm warning in effect from 2 pm edt this afternoon through
saturday evening...

.today...ne winds 15 to 20 kt, becoming n 20 to 25 kt this
afternoon. gusts up to 40 kt. waves around 3 ft, except 4 to 6 ft
at the bay entrance. a chance of rain this afternoon. 
.tonight...n winds 25 to 30 kt with gusts up to 50 kt. waves
around 3 ft, except 4 to 6 ft at the bay entrance. patchy fog.
rain likely. 
.sat...n winds 20 to 25 kt with gusts up to 55 kt. waves around
3 ft, except 4 to 6 ft at the bay entrance. patchy fog. rain.
vsby 1 to 3 nm in the afternoon. 
.sat night...ne winds 20 to 25 kt with gusts up to 50 kt. waves
around 3 ft, except 4 to 6 ft at the bay entrance. rain. patchy
fog in the evening. vsby 1 to 3 nm. 
.sun and sun night...ne winds 15 to 20 kt with gusts up to 45 kt.
waves 2 to 3 ft. rain.
.mon...n winds 15 to 20 kt with gusts up to 25 kt. waves 2 to
3 ft. rain.
.mon night...n winds 10 to 15 kt with gusts up to 20 kt. waves
2 to 3 ft. a chance of showers. 
.tue and tue night...nw winds 5 to 10 kt. waves around 2 ft, then
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 251103
cwfbox
expires:202609260000;;028192

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am edt fri sep 25 2026

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


anz250-260000-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
703 am edt fri sep 25 2026

...storm warning in effect from 11 am edt this morning through
saturday evening...

.today...ne winds 20 to 25 kt, increasing to 25 to 30 kt this
afternoon. gusts up to 40 kt. seas 9 to 13 ft. wave detail: e
12 ft at 12 seconds and ne 8 ft at 8 seconds. a chance of rain
this afternoon. 
.tonight...ne winds 25 to 35 kt, becoming 30 to 35 kt after
midnight. gusts up to 60 kt. seas 12 to 16 ft. wave detail: e
15 ft at 11 seconds and n 10 ft at 7 seconds. patchy fog. a
chance of rain. 
.sat...ne winds 30 to 35 kt with gusts up to 60 kt. seas 14 to
17 ft. wave detail: e 15 ft at 11 seconds and ne 12 ft at
8 seconds. patchy fog. rain. vsby 1 to 3 nm. 
.sat night...ne winds 25 to 30 kt with gusts up to 50 kt. seas
12 to 16 ft, subsiding to 10 to 14 ft after midnight. wave
detail: ne 14 ft at 10 seconds and se 12 ft at 10 seconds,
becoming ne 13 ft at 10 seconds and se 8 ft at 10 seconds. rain.
patchy fog in the evening. vsby 1 to 3 nm. 
.sun...ne winds 25 to 30 kt with gusts up to 50 kt. seas 9 to
12 ft, subsiding to 8 to 10 ft in the afternoon. wave detail: ne
12 ft at 10 seconds and se 4 ft at 10 seconds, becoming ne 10 ft
at 9 seconds and s 5 ft at 9 seconds. rain.
.sun night...ne winds 25 to 30 kt with gusts up to 45 kt,
diminishing to 20 to 25 kt with gusts up to 30 kt after midnight.
seas 7 to 10 ft. wave detail: ne 10 ft at 9 seconds and se 3 ft
at 9 seconds. rain.
.mon...ne winds 20 to 25 kt with gusts up to 30 kt. seas 6 to
9 ft. rain.
.mon night...n winds 15 to 20 kt with gusts up to 25 kt. seas
5 to 7 ft. showers likely. 
.tue...n winds 10 to 15 kt with gusts up to 20 kt. seas 5 to
6 ft. a chance of showers. 
.tue night...nw winds around 5 kt. seas 4 to 5 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 251103
cwfbox
expires:202609260000;;028195

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am edt fri sep 25 2026

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


anz254-260000-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
703 am edt fri sep 25 2026

...storm warning in effect through saturday evening...

.today...ne winds 25 to 35 kt with gusts up to 50 kt. seas 9 to
13 ft, building to 11 to 15 ft this afternoon. wave detail: e
13 ft at 11 seconds and n 4 ft at 4 seconds, becoming e 14 ft at
12 seconds and n 9 ft at 6 seconds. a chance of rain this
morning, then rain likely this afternoon. patchy fog this
afternoon with vsby 1 to 3 nm. 
.tonight...ne winds 30 to 35 kt with gusts up to 60 kt. seas
12 to 17 ft. wave detail: e 16 ft at 12 seconds and ne 9 ft at
8 seconds. patchy fog. rain likely. vsby 1 to 3 nm in the
evening. 
.sat...ne winds 25 to 30 kt with gusts up to 55 kt. seas 12 to
17 ft. wave detail: e 16 ft at 11 seconds and n 7 ft at
8 seconds. patchy fog. rain. vsby 1 to 3 nm. 
.sat night...e winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. gusts up to 50 kt. seas 10 to 14 ft, subsiding to
9 to 12 ft after midnight. wave detail: e 13 ft at 11 seconds and
ne 11 ft at 10 seconds, becoming e 11 ft at 10 seconds and s 7 ft
at 10 seconds. rain. patchy fog in the evening. vsby 1 to 3 nm. 
.sun...e winds 15 to 20 kt with gusts up to 45 kt. seas 7 to
10 ft, subsiding to 6 to 8 ft in the afternoon. wave detail: ne
9 ft at 10 seconds and s 7 ft at 10 seconds, becoming ne 8 ft at
9 seconds and s 6 ft at 10 seconds. rain.
.sun night...ne winds 20 to 25 kt with gusts up to 40 kt,
becoming e 15 to 20 kt with gusts up to 30 kt after midnight.
seas 5 to 8 ft. wave detail: ne 8 ft at 9 seconds and s 4 ft at
8 seconds. rain.
.mon...e winds 10 to 15 kt with gusts up to 25 kt. seas 5 to
7 ft. rain likely. 
.mon night...n winds around 10 kt. seas 4 to 6 ft. a chance of
showers. 
.tue and tue night...nw winds 10 to 15 kt with gusts up to 20 kt,
becoming w 5 to 10 kt. seas 4 to 6 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 251103
cwfbox
expires:202609260000;;028196

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am edt fri sep 25 2026

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


anz255-260000-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
703 am edt fri sep 25 2026

...storm warning in effect through saturday evening...

.today...ne winds 25 to 35 kt with gusts up to 45 kt, increasing
to 30 to 40 kt with gusts up to 55 kt this afternoon. seas 8 to
11 ft, building to 9 to 13 ft this afternoon. wave detail: e
11 ft at 12 seconds and n 6 ft at 6 seconds, becoming e 12 ft at
11 seconds and n 9 ft at 6 seconds. a chance of rain this
morning, then rain with a slight chance of tstms this afternoon.
patchy fog this afternoon with vsby 1 to 3 nm. 
.tonight...ne winds 30 to 40 kt with gusts up to 60 kt. seas
10 to 14 ft, except 13 to 17 ft s and e of nantucket. wave
detail: e 14 ft at 12 seconds and n 10 ft at 7 seconds. patchy
fog. rain. vsby 1 to 3 nm in the evening. 
.sat...ne winds 25 to 35 kt. gusts up to 60 kt, decreasing to
50 kt in the afternoon. seas 9 to 13 ft. s and e of nantucket,
seas 13 to 17 ft, subsiding to 11 to 15 ft in the afternoon. wave
detail: e 13 ft at 11 seconds and n 7 ft at 7 seconds. patchy
fog. rain. vsby 1 to 3 nm. 
.sat night...ne winds 20 to 25 kt, becoming e 15 to 20 kt after
midnight. gusts up to 50 kt. seas 7 to 10 ft. wave detail: e
10 ft at 11 seconds and ne 7 ft at 10 seconds. rain. patchy fog
in the evening. vsby 1 to 3 nm. 
.sun...e winds 15 to 20 kt. gusts up to 45 kt, decreasing to
35 kt in the afternoon. seas 5 to 8 ft. wave detail: s 8 ft at
9 seconds and se 8 ft at 10 seconds. rain.
.sun night...ne winds 20 to 25 kt with gusts up to 35 kt,
diminishing to 15 to 20 kt with gusts up to 25 kt after midnight.
seas 4 to 6 ft. wave detail: s 5 ft at 8 seconds and ne 5 ft at
9 seconds. rain.
.mon...ne winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
5 ft. rain likely. 
.mon night...n winds 10 to 15 kt. seas 3 to 5 ft. a chance of
showers. 
.tue and tue night...nw winds 10 to 15 kt, becoming w 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.

$$