fzus51 kbox 230504
cwfbox
expires:202607231800;;445801

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt thu jul 23 2026

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


anz231-231800-
cape cod bay-
104 am edt thu jul 23 2026

.rest of tonight...nw winds 5 to 10 kt. seas around 2 ft. wave
detail: se 2 ft at 9 seconds and w 1 foot at 2 seconds. 
.thu...n winds 5 to 10 kt, becoming ne in the afternoon. seas
around 2 ft. wave detail: se 2 ft at 9 seconds and e 2 ft at
11 seconds. 
.thu night...s winds around 5 kt, becoming w after midnight. seas
around 2 ft in the evening, then 1 foot or less. wave detail: se
2 ft at 8 seconds and w 1 foot at 3 seconds, becoming sw 1 foot
at 3 seconds and e 1 foot at 4 seconds. 
.fri...ne winds around 5 kt, becoming e around 5 kt in the
afternoon. seas 1 foot or less. wave detail: sw 1 foot at
3 seconds and e 1 foot at 8 seconds. 
.fri night through sat night...ne winds around 5 kt. seas around
2 ft. wave detail: se 1 foot at 3 seconds and s 1 foot at
7 seconds. 
.sun through mon...s winds 5 to 10 kt. seas around 2 ft. wave
detail: e 2 ft at 8 seconds and e 1 foot at 5 seconds. 
.mon night...sw winds 5 to 10 kt. seas around 2 ft. a chance of
showers.  

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 230504
cwfbox
expires:202607231800;;445805

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt thu jul 23 2026

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


anz232-231800-
nantucket sound-
104 am edt thu jul 23 2026

...small craft advisory in effect until 2 am edt early this
morning...

.rest of tonight...nw winds around 10 kt. seas 2 to 4 ft. wave
detail: w 2 ft at 4 seconds and sw 2 ft at 9 seconds. a slight
chance of showers. 
.thu...n winds 10 to 15 kt, becoming ne 5 to 10 kt in the
afternoon. seas 2 to 4 ft. wave detail: nw 2 ft at 4 seconds and
e 2 ft at 8 seconds. 
.thu night...se winds 5 to 10 kt, becoming nw after midnight.
seas 2 to 3 ft. wave detail: sw 1 foot at 4 seconds and e 1 foot
at 8 seconds. 
.fri...e winds 5 to 10 kt. seas around 2 ft. wave detail: sw
1 foot at 4 seconds and sw 1 foot at 7 seconds. 
.fri night through sat night...ne winds 5 to 10 kt. seas around
2 ft. wave detail: sw 1 foot at 4 seconds and e 1 foot at
4 seconds. 
.sun through mon...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: s 1 foot at 4 seconds and s 1 foot at 7 seconds. 
.mon night...sw winds around 10 kt. seas around 2 ft. a chance of
showers.  

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 230504
cwfbox
expires:202607231800;;445806

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt thu jul 23 2026

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


anz233-231800-
vineyard sound-
104 am edt thu jul 23 2026

...small craft advisory in effect until 2 am edt early this
morning...

.rest of tonight...n winds around 10 kt. seas 3 to 4 ft. wave
detail: sw 4 ft at 9 seconds and nw 2 ft at 5 seconds. a slight
chance of showers. 
.thu...n winds around 10 kt, becoming e in the afternoon. seas
2 to 4 ft. wave detail: sw 4 ft at 8 seconds and nw 3 ft at
4 seconds. 
.thu night...s winds 5 to 10 kt, becoming w after midnight. seas
2 to 3 ft. wave detail: sw 3 ft at 8 seconds and e 1 foot at
8 seconds. 
.fri...ne winds around 5 kt, becoming se in the afternoon. seas
around 2 ft. wave detail: sw 2 ft at 6 seconds and e 2 ft at
8 seconds. 
.fri night and sat...e winds 5 to 10 kt. seas around 2 ft. wave
detail: e 1 foot at 3 seconds and sw 1 foot at 4 seconds. 
.sat night...ne winds 5 to 10 kt. seas around 2 ft. wave detail:
sw 1 foot at 3 seconds and ne 1 foot at 4 seconds. 
.sun through mon...sw winds 5 to 10 kt. seas around 2 ft. 
.mon night...sw winds 5 to 10 kt. seas around 2 ft. a chance of
showers.  

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 230504
cwfbox
expires:202607231800;;445807

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt thu jul 23 2026

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


anz234-231800-
buzzards bay-
104 am edt thu jul 23 2026

...small craft advisory in effect until 2 am edt early this
morning...

.rest of tonight...n winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: w 2 ft at 5 seconds and sw 2 ft at 9 seconds. 
.thu...n winds 5 to 10 kt, becoming e in the afternoon. seas 2 to
3 ft. wave detail: ne 2 ft at 7 seconds and sw 2 ft at 9 seconds.
.thu night...s winds 5 to 10 kt, becoming w after midnight. seas
around 2 ft. wave detail: sw 2 ft at 8 seconds and sw 1 foot at
4 seconds. 
.fri...ne winds around 5 kt, becoming se in the afternoon. seas
around 2 ft. wave detail: s 2 ft at 7 seconds and sw 1 foot at
4 seconds. 
.fri night and sat...e winds 5 to 10 kt. seas around 2 ft. wave
detail: s 1 foot at 3 seconds and s 1 foot at 7 seconds. 
.sat night...e winds 5 to 10 kt, becoming ne after midnight. seas
1 foot or less. wave detail: e 1 foot at 2 seconds and s 1 foot
at 3 seconds. 
.sun through mon...sw winds 5 to 10 kt. seas around 2 ft. 
.mon night...sw winds 5 to 10 kt. seas around 2 ft. a chance of
showers.  

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 230504
cwfbox
expires:202607231800;;445808

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt thu jul 23 2026

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


anz235-231800-
rhode island sound-
104 am edt thu jul 23 2026

...small craft advisory in effect through this afternoon...

.rest of tonight...n winds around 10 kt. seas 4 to 6 ft. wave
detail: s 6 ft at 9 seconds and nw 2 ft at 5 seconds. a slight
chance of showers. 
.thu...n winds around 10 kt, becoming e in the afternoon. seas
3 to 5 ft. wave detail: s 5 ft at 9 seconds and w 3 ft at
5 seconds. 
.thu night...s winds 5 to 10 kt, becoming w after midnight. seas
3 to 4 ft. wave detail: s 4 ft at 8 seconds and sw 3 ft at
7 seconds. 
.fri...ne winds around 5 kt, becoming se in the afternoon. seas
2 to 3 ft. wave detail: se 3 ft at 7 seconds. 
.fri night and sat...e winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 2 ft at 4 seconds and s 2 ft at 7 seconds. 
.sat night...e winds 5 to 10 kt, becoming ne after midnight. seas
around 2 ft. wave detail: se 2 ft at 7 seconds and s 1 foot at
3 seconds. 
.sun through mon...sw winds 10 to 15 kt. seas 2 to 3 ft. 
.mon night...sw winds 10 to 15 kt. seas 2 to 3 ft. a chance of
showers.  

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 230504
cwfbox
expires:202607231800;;445811

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt thu jul 23 2026

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


anz236-231800-
narragansett bay-
104 am edt thu jul 23 2026

.rest of tonight...n winds 5 to 10 kt. waves 2 to 3 ft. 
.thu...n winds 5 to 10 kt, becoming e in the afternoon. waves
2 to 3 ft. 
.thu night...s winds 5 to 10 kt, becoming w after midnight. waves
2 to 3 ft. 
.fri...ne winds around 5 kt, becoming s in the afternoon. waves
around 2 ft. 
.fri night...s winds 5 to 10 kt, becoming n after midnight. waves
around 2 ft. 
.sat and sat night...n winds 5 to 10 kt. waves around 2 ft. 
.sun through mon...s winds 5 to 10 kt. waves around 2 ft. 
.mon night...sw winds 5 to 10 kt. waves around 2 ft. a chance of
showers.  

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 230504
cwfbox
expires:202607231800;;445799

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt thu jul 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-
104 am edt thu jul 23 2026

...small craft advisory in effect until 2 am edt early this
morning...

.rest of tonight...nw winds 5 to 10 kt. seas 2 to 4 ft. wave
detail: se 4 ft at 10 seconds and w 1 foot at 3 seconds. 
.thu...nw winds 5 to 10 kt, becoming e in the afternoon. seas
2 to 4 ft. wave detail: se 4 ft at 9 seconds and w 1 foot at
3 seconds. 
.thu night...s winds 5 to 10 kt, becoming sw after midnight. seas
2 to 3 ft. wave detail: se 3 ft at 8 seconds and sw 1 foot at
3 seconds. 
.fri...sw winds around 5 kt, becoming se in the afternoon. seas
2 to 3 ft. wave detail: se 2 ft at 8 seconds and w 1 foot at
3 seconds. 
.fri night...s winds 5 to 10 kt, becoming sw after midnight. seas
around 2 ft. wave detail: se 2 ft at 7 seconds and s 1 foot at
2 seconds. 
.sat and sat night...ne winds around 5 kt. seas 2 to 3 ft. wave
detail: s 3 ft at 7 seconds. 
.sun through mon night...s 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 230504
cwfbox
expires:202607231800;;445802

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt thu jul 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-
104 am edt thu jul 23 2026

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

.rest of tonight...nw winds 5 to 10 kt. seas 4 to 6 ft. wave
detail: s 6 ft at 9 seconds and se 4 ft at 10 seconds. patchy
fog. a slight chance of showers and tstms. vsby 1 nm or less. 
.thu...n winds 5 to 10 kt. seas 4 to 6 ft. wave detail: s 5 ft at
9 seconds and se 4 ft at 10 seconds. a chance of showers in the
morning. 
.thu night...se winds around 5 kt, becoming nw after midnight.
seas 2 to 4 ft. wave detail: se 4 ft at 8 seconds and s 4 ft at
8 seconds. 
.fri...ne winds around 5 kt. seas 2 to 4 ft. wave detail: s 3 ft
at 8 seconds and se 2 ft at 7 seconds. 
.fri night through sat night...ne winds 5 to 10 kt. seas 2 to
4 ft. wave detail: se 3 ft at 7 seconds and s 1 foot at
3 seconds. 
.sun through mon night...sw winds 5 to 10 kt. seas 2 to 3 ft.
wave detail: se 3 ft at 7 seconds and s 2 ft at 8 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 230504
cwfbox
expires:202607231800;;445803

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt thu jul 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-
104 am edt thu jul 23 2026

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

.rest of tonight...nw winds around 10 kt. seas 5 to 7 ft. wave
detail: s 7 ft at 9 seconds and nw 4 ft at 5 seconds. patchy fog.
a chance of showers with a slight chance of tstms. vsby 1 nm or
less. 
.thu...n winds 10 to 15 kt, becoming ne 5 to 10 kt in the
afternoon. seas 4 to 6 ft. wave detail: s 6 ft at 9 seconds and w
4 ft at 4 seconds. a chance of showers in the morning. 
.thu night...e winds 5 to 10 kt, becoming ne after midnight. seas
3 to 5 ft. wave detail: s 5 ft at 8 seconds and nw 3 ft at
8 seconds. 
.fri...ne winds 5 to 10 kt. seas 2 to 4 ft. wave detail: se 4 ft
at 7 seconds and w 1 foot at 5 seconds. 
.fri night through sat night...ne winds 5 to 10 kt. seas 2 to
3 ft. wave detail: se 3 ft at 7 seconds and w 2 ft at 5 seconds. 
.sun through mon...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 7 seconds and s 1 foot at 4 seconds. 
.mon night...sw winds around 10 kt. seas 2 to 3 ft. a chance of
showers.  

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.

$$