fzus51 kbox 190804
cwfbox
expires:202603192100;;942847

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt thu mar 19 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz231-192100-
cape cod bay-
404 am edt thu mar 19 2026

.today...se winds 5 to 10 kt. seas around 2 ft. wave detail: e
2 ft at 6 seconds and n 1 foot at 4 seconds. 
.tonight...s winds 5 to 10 kt. seas around 2 ft. wave detail: se
2 ft at 9 seconds and s 1 foot at 2 seconds. 
.fri...sw winds 5 to 10 kt, becoming s 15 to 20 kt with gusts up
to 25 kt in the afternoon. seas 2 to 4 ft. wave detail: sw 2 ft
at 3 seconds and se 2 ft at 8 seconds. 
.fri night...s winds 15 to 20 kt with gusts up to 30 kt. seas
3 to 4 ft. wave detail: s 2 ft at 3 seconds and e 2 ft at
9 seconds. a chance of rain in the evening, then rain likely
after midnight. 
.sat...sw winds 10 to 15 kt, becoming nw in the afternoon. gusts
up to 20 kt. seas 2 to 3 ft. wave detail: sw 2 ft at 3 seconds
and e 2 ft at 9 seconds. rain likely in the morning. 
.sat night...w winds 10 to 15 kt. seas around 2 ft. wave detail:
nw 2 ft at 4 seconds and e 2 ft at 8 seconds. 
.sun...sw winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. 
.sun night and mon...w winds 15 to 20 kt, becoming n. gusts up to
25 kt. seas 2 to 4 ft. rain and snow likely. 
.mon night...n winds 20 to 25 kt. seas 3 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 190804
cwfbox
expires:202603192100;;942851

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt thu mar 19 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz232-192100-
nantucket sound-
404 am edt thu mar 19 2026

.today...se winds 5 to 10 kt. seas around 2 ft. wave detail: se
2 ft at 9 seconds. 
.tonight...s winds around 5 kt. seas around 2 ft. wave detail: se
1 foot at 3 seconds and se 1 foot at 9 seconds. 
.fri...sw winds 5 to 10 kt, becoming s 15 to 20 kt with gusts up
to 25 kt in the afternoon. seas 2 to 3 ft. wave detail: sw 2 ft
at 3 seconds and se 1 foot at 9 seconds. 
.fri night...s winds 15 to 20 kt with gusts up to 30 kt. seas
around 3 ft. wave detail: s 3 ft at 4 seconds and e 2 ft at
9 seconds. a chance of rain in the evening, then rain likely
after midnight. 
.sat...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: sw 3 ft at 4 seconds and e 2 ft at 9 seconds.
a chance of rain in the morning. 
.sat night...w winds 10 to 15 kt. seas 2 to 3 ft. wave detail: w
2 ft at 4 seconds and e 1 foot at 9 seconds. 
.sun...sw winds 10 to 15 kt. seas 2 to 3 ft. 
.sun night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 4 ft. rain likely. 
.mon...ne winds 20 to 25 kt. seas 3 to 4 ft. a chance of rain and
snow. 
.mon night...n winds 20 to 25 kt. seas 3 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 190804
cwfbox
expires:202603192100;;942852

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt thu mar 19 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz233-192100-
vineyard sound-
404 am edt thu mar 19 2026

.today...se winds 5 to 10 kt. seas around 2 ft. wave detail: s
2 ft at 9 seconds and se 1 foot at 2 seconds. 
.tonight...s winds 5 to 10 kt. seas around 2 ft. wave detail: s
2 ft at 9 seconds and s 1 foot at 2 seconds. 
.fri...sw winds 5 to 10 kt, becoming s 15 to 20 kt with gusts up
to 25 kt in the afternoon. seas 2 to 4 ft. wave detail: sw 2 ft
at 3 seconds and se 2 ft at 8 seconds. 
.fri night...sw winds 15 to 20 kt with gusts up to 30 kt. seas
3 to 4 ft. wave detail: sw 4 ft at 6 seconds and se 1 foot at
9 seconds. a chance of rain in the evening, then rain likely
after midnight. 
.sat...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: sw 3 ft at 6 seconds and e 1 foot at
9 seconds. rain likely in the morning. 
.sat night...w winds 10 to 15 kt. seas 2 to 3 ft. wave detail: sw
3 ft at 6 seconds and se 2 ft at 8 seconds. 
.sun...sw winds 10 to 15 kt. seas 2 to 3 ft. 
.sun night...s winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 4 ft. rain likely. 
.mon...ne winds 20 to 25 kt. seas 3 to 4 ft. rain and snow
likely. 
.mon night...n winds 15 to 20 kt with gusts up to 25 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 190804
cwfbox
expires:202603192100;;942853

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt thu mar 19 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz234-192100-
buzzards bay-
404 am edt thu mar 19 2026

.today...se winds 5 to 10 kt. seas around 2 ft. wave detail: s
2 ft at 9 seconds and se 1 foot at 2 seconds. 
.tonight...s winds 5 to 10 kt. seas around 2 ft. wave detail: s
2 ft at 8 seconds and s 1 foot at 2 seconds. 
.fri...sw winds around 5 kt, becoming s 15 to 20 kt with gusts up
to 25 kt in the afternoon. seas 2 to 4 ft. wave detail: sw 2 ft
at 3 seconds and se 2 ft at 8 seconds. 
.fri night...sw winds 15 to 20 kt with gusts up to 30 kt. seas
3 to 4 ft. wave detail: sw 3 ft at 4 seconds and se 1 foot at
9 seconds. a chance of rain in the evening, then rain likely
after midnight. 
.sat...w winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: sw 3 ft at 6 seconds and e 1 foot at
9 seconds. rain likely in the morning. 
.sat night...w winds 10 to 15 kt. seas around 2 ft. wave detail:
sw 2 ft at 5 seconds and se 1 foot at 8 seconds. 
.sun...sw winds 10 to 15 kt. seas 2 to 3 ft. 
.sun night...sw winds 15 to 20 kt. seas 2 to 4 ft. rain likely. 
.mon...ne winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. rain and snow likely. 
.mon night...n 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 190804
cwfbox
expires:202603192100;;942854

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt thu mar 19 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz235-192100-
rhode island sound-
404 am edt thu mar 19 2026

.today...se winds 5 to 10 kt. seas 2 to 4 ft. wave detail: se
4 ft at 9 seconds. 
.tonight...s winds 5 to 10 kt, becoming sw after midnight. seas
2 to 3 ft. wave detail: se 3 ft at 9 seconds. 
.fri...sw winds 5 to 10 kt, becoming s 10 to 15 kt with gusts up
to 25 kt in the afternoon. seas 2 to 3 ft. wave detail: sw 3 ft
at 4 seconds and se 3 ft at 8 seconds. 
.fri night...sw winds 15 to 20 kt with gusts up to 30 kt. seas
3 to 4 ft. wave detail: s 4 ft at 7 seconds. a chance of rain in
the evening, then rain likely after midnight. 
.sat...sw winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
4 ft. wave detail: sw 4 ft at 7 seconds and se 2 ft at 9 seconds.
rain likely in the morning. 
.sat night...w winds 10 to 15 kt. seas 2 to 4 ft. wave detail: sw
4 ft at 7 seconds and se 2 ft at 8 seconds. 
.sun...sw winds 10 to 15 kt. seas 2 to 4 ft. 
.sun night...s winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. rain likely. 
.mon...ne winds 20 to 25 kt. seas 3 to 5 ft. rain and snow
likely. 
.mon night...n winds 20 to 25 kt. seas 3 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 190804
cwfbox
expires:202603192100;;942857

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt thu mar 19 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz236-192100-
narragansett bay-
404 am edt thu mar 19 2026

.today...se winds around 5 kt, becoming s this afternoon. waves
around 2 ft. 
.tonight...s winds 5 to 10 kt. waves around 2 ft. 
.fri...sw winds around 5 kt, becoming s 10 to 15 kt with gusts up
to 25 kt in the afternoon. waves 2 to 3 ft. 
.fri night...sw winds 10 to 15 kt with gusts up to 30 kt. waves
2 to 3 ft. rain likely. 
.sat...w winds 10 to 15 kt. waves 2 to 3 ft. rain likely in the
morning. 
.sat night...w winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. waves 2 to 3 ft. 
.sun...sw winds 10 to 15 kt. waves around 2 ft. 
.sun night and mon...sw winds 10 to 15 kt, becoming n 15 to
20 kt. waves 2 to 4 ft. rain and snow likely. 
.mon night...n winds 10 to 15 kt with gusts up to 20 kt. waves
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 190804
cwfbox
expires:202603192100;;942845

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt thu mar 19 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz250-192100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
404 am edt thu mar 19 2026

.today...se winds 5 to 10 kt, increasing to 10 to 15 kt this
afternoon. seas 3 to 4 ft. wave detail: se 4 ft at 9 seconds and
s 2 ft at 3 seconds. 
.tonight...s winds 10 to 15 kt. seas 2 to 4 ft. wave detail: se
3 ft at 9 seconds and s 2 ft at 3 seconds. 
.fri...sw winds 5 to 10 kt, becoming s 15 to 20 kt with gusts up
to 25 kt in the afternoon. seas 2 to 4 ft. wave detail: sw 3 ft
at 3 seconds and se 3 ft at 8 seconds. 
.fri night...s winds 15 to 20 kt with gusts up to 30 kt. seas
4 to 6 ft. wave detail: s 5 ft at 5 seconds and e 4 ft at
9 seconds. a chance of rain in the evening, then rain likely
after midnight. 
.sat...sw winds 10 to 15 kt, becoming nw in the afternoon. gusts
up to 20 kt. seas 4 to 6 ft. wave detail: e 4 ft at 9 seconds and
sw 3 ft at 5 seconds. rain likely in the morning. 
.sat night...w winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 4 ft. wave detail: nw 3 ft at 4 seconds and se 3 ft at
8 seconds. 
.sun...sw winds around 15 kt with gusts up to 20 kt. seas 3 to
4 ft. a chance of rain. 
.sun night...nw winds 20 to 25 kt. seas 4 to 6 ft. snow likely
with a chance of rain. 
.mon...ne winds 20 to 25 kt. seas 5 to 7 ft. a chance of rain and
snow. 
.mon night...n winds 20 to 25 kt. seas 5 to 7 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 190804
cwfbox
expires:202603192100;;942848

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt thu mar 19 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz254-192100-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
404 am edt thu mar 19 2026

.today...se winds around 5 kt. seas 3 to 4 ft. wave detail: se
4 ft at 9 seconds and n 1 foot at 5 seconds. 
.tonight...s winds 5 to 10 kt. seas 2 to 4 ft. wave detail: se
4 ft at 9 seconds. 
.fri...sw winds 5 to 10 kt, increasing to 15 to 20 kt with gusts
up to 25 kt in the afternoon. seas 2 to 4 ft. wave detail: sw
3 ft at 3 seconds and se 3 ft at 8 seconds. 
.fri night...s winds 15 to 20 kt with gusts up to 30 kt. seas
3 to 5 ft. wave detail: s 5 ft at 5 seconds and e 4 ft at
9 seconds. a chance of rain after midnight. 
.sat...sw winds 10 to 15 kt, becoming w in the afternoon. gusts
up to 20 kt. seas 4 to 5 ft. wave detail: sw 4 ft at 6 seconds
and e 4 ft at 9 seconds. a chance of rain in the morning. 
.sat night...w winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 5 ft. wave detail: w 3 ft at 5 seconds and e 3 ft at
8 seconds. 
.sun...sw winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
4 ft. 
.sun night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
4 to 6 ft. rain and snow likely. 
.mon...ne winds 20 to 25 kt. seas 5 to 7 ft. a chance of rain and
snow. 
.mon night...n winds 20 to 25 kt. seas 5 to 7 ft. a chance of
rain.  

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 190804
cwfbox
expires:202603192100;;942849

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt thu mar 19 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz255-192100-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
404 am edt thu mar 19 2026

.today...se winds 5 to 10 kt. seas 2 to 4 ft. wave detail: se
4 ft at 9 seconds. 
.tonight...s winds around 5 kt. seas 2 to 3 ft. wave detail: se
3 ft at 9 seconds. 
.fri...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 25 kt in the afternoon. seas 2 to 3 ft. wave detail: sw
3 ft at 3 seconds and se 3 ft at 8 seconds. 
.fri night...s winds 15 to 20 kt with gusts up to 30 kt. seas
3 to 5 ft. wave detail: sw 5 ft at 6 seconds and se 3 ft at
9 seconds. a chance of rain after midnight. 
.sat...sw winds 15 to 20 kt. seas 4 to 5 ft. wave detail: sw 5 ft
at 7 seconds and e 3 ft at 9 seconds. a chance of rain in the
morning. 
.sat night...w winds 10 to 15 kt. seas 3 to 5 ft. wave detail: sw
4 ft at 7 seconds and se 3 ft at 8 seconds. 
.sun...sw winds 10 to 15 kt. seas 3 to 5 ft. 
.sun night...s winds 20 to 25 kt. seas 4 to 6 ft. a chance of
rain. 
.mon...ne winds 20 to 25 kt. seas 5 to 7 ft. a chance of rain. 
.mon night...n winds 25 to 30 kt. seas 5 to 7 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.

$$