fzus51 kbox 232005
cwfbox
expires:202605240900;;528412

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sat may 23 2026

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


anz231-240900-
cape cod bay-
405 pm edt sat may 23 2026

...small craft advisory in effect from late tonight through late
sunday night...

.tonight...se winds 5 to 10 kt. seas 1 foot or less, then around
2 ft after midnight. wave detail: se 1 foot at 3 seconds and se
1 foot at 9 seconds, becoming n 1 foot at 3 seconds and e 1 foot
at 3 seconds. a slight chance of rain after midnight. 
.sun...se winds 10 to 15 kt, becoming e 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 3 ft. wave detail: se
3 ft at 4 seconds. rain.
.sun night...se winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 30 kt. seas 2 to 3 ft. wave detail:
se 3 ft at 5 seconds. rain.
.mon...sw winds 5 to 10 kt, becoming nw in the afternoon. seas
2 to 3 ft. wave detail: se 2 ft at 4 seconds. showers likely,
mainly in the morning. 
.mon night...sw winds around 5 kt. seas around 2 ft. wave detail:
se 2 ft at 7 seconds and e 2 ft at 8 seconds. 
.tue and tue night...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 2 ft at 3 seconds and e 2 ft at 7 seconds. 
.wed...sw winds 5 to 10 kt with gusts up to 20 kt. seas around
2 ft. a chance of showers. 
.wed night through thu night...n 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 232005
cwfbox
expires:202605240900;;528416

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sat may 23 2026

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


anz232-240900-
nantucket sound-
405 pm edt sat may 23 2026

...small craft advisory in effect from 2 am edt sunday through
late sunday night...

.tonight...se winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 3 ft. wave detail: e 2 ft at 3 seconds and se
2 ft at 8 seconds. a chance of rain after midnight. 
.sun...e winds 15 to 20 kt with gusts up to 30 kt. seas 2 to
3 ft, building to 3 to 5 ft in the afternoon. wave detail: e 3 ft
at 5 seconds and s 1 foot at 9 seconds, becoming e 4 ft at
5 seconds and s 1 foot at 10 seconds. rain.
.sun night...se winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. gusts up to 30 kt. seas 4 to 6 ft. wave detail: e
5 ft at 5 seconds and sw 2 ft at 9 seconds. rain.
.mon...sw winds around 10 kt with gusts up to 20 kt, becoming w
in the afternoon. seas 2 to 4 ft. wave detail: e 3 ft at
9 seconds and sw 2 ft at 5 seconds. showers likely, mainly in the
morning. 
.mon night...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e
2 ft at 8 seconds and w 1 foot at 3 seconds. 
.tue and tue night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: e 2 ft at 6 seconds and se 1 foot at 4 seconds. 
.wed through thu night...n 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 232005
cwfbox
expires:202605240900;;528417

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sat may 23 2026

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


anz233-240900-
vineyard sound-
405 pm edt sat may 23 2026

...small craft advisory in effect from 2 am edt sunday through
late sunday night...

.tonight...e winds 10 to 15 kt. gusts up to 25 kt after midnight.
seas 2 to 3 ft. wave detail: se 3 ft at 9 seconds and e 1 foot at
2 seconds. a slight chance of rain this evening, then a chance of
rain after midnight. 
.sun...e winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
4 ft, building to 4 to 6 ft in the afternoon. wave detail: se
4 ft at 6 seconds and e 2 ft at 3 seconds, becoming se 5 ft at
8 seconds and e 2 ft at 4 seconds. rain.
.sun night...se winds 15 to 20 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
seas 4 to 6 ft. wave detail: se 6 ft at 9 seconds and s 3 ft at
9 seconds. rain.
.mon...w winds 5 to 10 kt. seas 2 to 4 ft. wave detail: s 4 ft at
7 seconds and se 4 ft at 8 seconds. showers likely, mainly in the
morning. 
.mon night...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 7 seconds and w 1 foot at 2 seconds. 
.tue and tue night...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: s 2 ft at 7 seconds and se 2 ft at 9 seconds. 
.wed through thu night...n 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 232005
cwfbox
expires:202605240900;;528418

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sat may 23 2026

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


anz234-240900-
buzzards bay-
405 pm edt sat may 23 2026

...small craft advisory in effect from 2 am edt sunday through
late sunday night...

.tonight...se winds 5 to 10 kt, becoming e 10 to 15 kt with gusts
up to 20 kt after midnight. seas 2 to 3 ft. wave detail: e 3 ft
at 9 seconds and e 1 foot at 2 seconds. a chance of rain after
midnight. 
.sun...e winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: se 4 ft at 7 seconds and e 2 ft at 3 seconds.
rain.
.sun night...se winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. seas 3 to 5 ft. wave detail: s
4 ft at 7 seconds and e 2 ft at 4 seconds. rain.
.mon...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s 3 ft at
6 seconds and w 1 foot at 2 seconds. a chance of showers. 
.mon night...sw winds 5 to 10 kt, becoming w after midnight. seas
around 2 ft. wave detail: e 2 ft at 7 seconds and sw 1 foot at
3 seconds. 
.tue and tue night...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 2 ft at 6 seconds and se 2 ft at 9 seconds. 
.wed through thu night...n 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 232005
cwfbox
expires:202605240900;;528419

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sat may 23 2026

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


anz235-240900-
rhode island sound-
405 pm edt sat may 23 2026

...small craft advisory in effect from 2 am edt sunday through
late sunday night...

.tonight...e winds 10 to 15 kt with gusts up to 20 kt, increasing
to 15 to 20 kt with gusts up to 30 kt after midnight. seas 2 to
4 ft. wave detail: se 4 ft at 8 seconds and e 2 ft at 3 seconds.
a slight chance of rain this evening, then rain likely after
midnight. 
.sun...e winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft, building to 5 to 8 ft in the afternoon. wave detail: se
6 ft at 8 seconds and e 3 ft at 3 seconds, becoming se 8 ft at
9 seconds and ne 2 ft at 4 seconds. rain.
.sun night...e winds 20 to 25 kt with gusts up to 30 kt, becoming
se 10 to 15 kt with gusts up to 20 kt after midnight. seas 6 to
9 ft, subsiding to 5 to 7 ft after midnight. wave detail: se 8 ft
at 9 seconds and ne 2 ft at 5 seconds, becoming se 7 ft at
9 seconds and e 2 ft at 4 seconds. rain.
.mon...w winds 5 to 10 kt. seas 4 to 6 ft. wave detail: se 6 ft
at 9 seconds and sw 4 ft at 9 seconds. a chance of showers. 
.mon night...w winds 5 to 10 kt. seas 2 to 4 ft. wave detail: se
4 ft at 8 seconds and s 3 ft at 9 seconds. 
.tue and tue night...sw winds 10 to 15 kt. seas 2 to 3 ft. wave
detail: s 3 ft at 7 seconds and se 3 ft at 8 seconds. 
.wed through thu night...n 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 232005
cwfbox
expires:202605240900;;528422

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sat may 23 2026

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


anz236-240900-
narragansett bay-
405 pm edt sat may 23 2026

.tonight...se winds 5 to 10 kt, becoming e 10 to 15 kt with gusts
up to 20 kt after midnight. waves 2 to 3 ft. a slight chance of
rain this evening, then rain likely after midnight. 
.sun...e winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. gusts up to 25 kt. waves 3 to 5 ft. rain.
.sun night...e winds 10 to 15 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. waves 3 to 5 ft. rain
in the evening. rain likely with areas of drizzle after midnight.
areas of fog after midnight. 
.mon...nw winds 5 to 10 kt, becoming w in the afternoon. waves
2 to 4 ft. a chance of showers. 
.mon night...w winds around 5 kt. waves 2 to 3 ft. 
.tue and tue night...sw winds 5 to 10 kt. waves around 2 ft. 
.wed through thu night...n winds 10 to 15 kt with gusts up to
20 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 232005
cwfbox
expires:202605240900;;528410

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sat may 23 2026

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


anz250-240900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 pm edt sat may 23 2026

...small craft advisory in effect from sunday afternoon through
monday evening...

.tonight...se winds 5 to 10 kt. seas around 2 ft. wave detail: se
2 ft at 8 seconds and n 1 foot at 3 seconds. 
.sun...se winds 10 to 15 kt, becoming e 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 3 ft. wave detail: se
3 ft at 5 seconds. rain.
.sun night...se winds 15 to 20 kt with gusts up to 25 kt. seas
5 to 7 ft. wave detail: se 6 ft at 6 seconds. rain.
.mon...w winds 10 to 15 kt with gusts up to 20 kt, becoming nw
5 to 10 kt in the afternoon. seas 5 to 7 ft. wave detail: se 6 ft
at 9 seconds and e 2 ft at 6 seconds. showers likely, mainly in
the morning. 
.mon night...sw winds around 5 kt. seas 3 to 5 ft. wave detail: e
5 ft at 8 seconds and w 1 foot at 2 seconds. 
.tue and tue night...sw winds 5 to 10 kt. seas 2 to 4 ft. wave
detail: e 4 ft at 7 seconds and s 2 ft at 3 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas 2 to 3 ft. a
chance of showers. 
.thu and thu night...ne winds 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 232005
cwfbox
expires:202605240900;;528413

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sat may 23 2026

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


anz254-240900-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
405 pm edt sat may 23 2026

...small craft advisory in effect from 8 pm edt this evening
through monday evening...

.tonight...e winds 5 to 10 kt, becoming se 10 to 15 kt with gusts
up to 20 kt after midnight. seas 2 to 3 ft. wave detail: se 3 ft
at 7 seconds and n 1 foot at 3 seconds. 
.sun...se winds 15 to 20 kt, becoming e 20 to 25 kt in the
afternoon. gusts up to 30 kt. seas 2 to 4 ft, building to 4 to
6 ft in the afternoon. wave detail: se 4 ft at 6 seconds and ne
1 foot at 3 seconds, becoming se 6 ft at 6 seconds and e 2 ft at
3 seconds. rain.
.sun night...se winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. gusts up to 30 kt. seas 5 to 8 ft. wave detail:
se 8 ft at 9 seconds and e 3 ft at 3 seconds. rain.
.mon...sw winds 10 to 15 kt with gusts up to 20 kt, becoming w
5 to 10 kt in the afternoon. seas 5 to 8 ft, subsiding to 4 to
6 ft in the afternoon. wave detail: se 7 ft at 9 seconds and sw
1 foot at 2 seconds, becoming se 6 ft at 9 seconds and w 1 foot
at 4 seconds. showers likely, mainly in the morning. 
.mon night...w winds 5 to 10 kt. seas 3 to 5 ft. wave detail: se
5 ft at 8 seconds and s 2 ft at 8 seconds. 
.tue and tue night...sw winds 5 to 10 kt. seas 2 to 4 ft. wave
detail: e 4 ft at 7 seconds and s 2 ft at 7 seconds. 
.wed through thu night...ne 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 232005
cwfbox
expires:202605240900;;528414

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sat may 23 2026

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


anz255-240900-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
405 pm edt sat may 23 2026

...small craft advisory in effect from 8 pm edt this evening
through monday evening...

.tonight...e winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. seas 2 to 4 ft. wave detail: se 4 ft
at 8 seconds and ne 2 ft at 4 seconds. a slight chance of rain
this evening, then a chance of rain after midnight. 
.sun...e winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. gusts up to 30 kt. seas 4 to 6 ft, building to 5 to
8 ft in the afternoon. wave detail: se 6 ft at 9 seconds and e
3 ft at 5 seconds, becoming se 8 ft at 9 seconds and s 4 ft at
9 seconds. rain.
.sun night...se 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 6 to 9 ft. wave detail: se 9 ft at 9 seconds and e 4 ft at
5 seconds. rain.
.mon...sw winds 10 to 15 kt with gusts up to 20 kt, becoming w
5 to 10 kt in the afternoon. seas 5 to 7 ft. wave detail: se 7 ft
at 9 seconds and s 6 ft at 8 seconds. showers likely, mainly in
the morning. 
.mon night...w winds 5 to 10 kt. seas 3 to 5 ft. wave detail: s
5 ft at 7 seconds and w 1 foot at 3 seconds. a chance of showers
in the evening. 
.tue and tue night...sw winds 5 to 10 kt. seas 3 to 4 ft. wave
detail: s 4 ft at 7 seconds and sw 2 ft at 3 seconds. 
.wed through thu night...ne 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.

$$