fzus51 kbox 190806
cwfbox
expires:202605192100;;814188

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt tue may 19 2026

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


anz231-192100-
cape cod bay-
405 am edt tue may 19 2026

.today...sw winds 10 to 15 kt, increasing to 15 to 20 kt this
afternoon. gusts up to 25 kt. seas around 2 ft, building to 3 to
4 ft this afternoon. wave detail: sw 1 foot at 3 seconds and e
1 foot at 4 seconds, becoming sw 2 ft at 3 seconds and e 1 foot
at 4 seconds. 
.tonight...sw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: sw 2 ft at 4 seconds and se 1 foot at
9 seconds. patchy fog after midnight with vsby 1 to 3 nm. 
.wed...sw winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: sw 2 ft at 3 seconds and se 1 foot at
10 seconds. showers likely in the afternoon. 
.wed night...w winds 10 to 15 kt, becoming nw after midnight.
gusts up to 20 kt. seas 2 to 3 ft. wave detail: sw 2 ft at
3 seconds and n 2 ft at 3 seconds. a chance of showers in the
evening. 
.thu...n winds 10 to 15 kt with gusts up to 20 kt, becoming ne
5 to 10 kt in the afternoon. seas around 2 ft. wave detail: n
2 ft at 4 seconds and s 1 foot at 6 seconds. 
.thu night...s winds around 5 kt, becoming nw after midnight.
seas around 2 ft. wave detail: n 2 ft at 5 seconds and s 1 foot
at 6 seconds. 
.fri and fri night...e winds 5 to 10 kt, becoming s. seas 1 foot
or less. 
.sat and sat night...e winds 5 to 10 kt. seas around 2 ft.
showers likely.  

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 190806
cwfbox
expires:202605192100;;814192

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt tue may 19 2026

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


anz232-192100-
nantucket sound-
405 am edt tue may 19 2026

.today...sw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: sw 3 ft at 4 seconds and e 1 foot at
3 seconds. patchy fog this morning with vsby 1 nm or less. 
.tonight...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: sw 4 ft at 5 seconds and se 1 foot at
9 seconds. patchy fog after midnight with vsby 1 nm or less. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: sw 3 ft at 5 seconds and se 1 foot at
9 seconds. patchy fog in the morning. a chance of showers in the
afternoon. vsby 1 nm or less in the morning. 
.wed night...w winds 15 to 20 kt with gusts up to 25 kt, becoming
nw 10 to 15 kt after midnight. seas 2 to 4 ft. wave detail: sw
3 ft at 5 seconds and n 2 ft at 2 seconds. a chance of showers. 
.thu...ne winds 10 to 15 kt. seas 2 to 3 ft. wave detail: n 2 ft
at 4 seconds and sw 1 foot at 6 seconds. a chance of showers in
the morning. 
.thu night...s winds around 5 kt, becoming w after midnight. seas
around 2 ft. wave detail: ne 1 foot at 3 seconds and nw 1 foot at
5 seconds. 
.fri...e winds 5 to 10 kt. seas around 2 ft. 
.fri night...s winds 5 to 10 kt. seas 1 foot or less. a chance of
showers. 
.sat and sat night...e winds 10 to 15 kt. gusts up to 20 kt. seas
around 2 ft. showers likely.  

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 190806
cwfbox
expires:202605192100;;814193

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt tue may 19 2026

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


anz233-192100-
vineyard sound-
405 am edt tue may 19 2026

.today...sw winds 10 to 15 kt, increasing to 15 to 20 kt this
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: w 4 ft
at 5 seconds and e 1 foot at 3 seconds. patchy fog this morning
with vsby 1 nm or less. 
.tonight...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: sw 5 ft at 5 seconds and e 1 foot at
8 seconds. patchy fog after midnight with vsby 1 nm or less. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: sw 5 ft at 7 seconds and e 1 foot at
8 seconds. patchy fog in the morning. a chance of showers in the
afternoon. vsby 1 nm or less in the morning. 
.wed night...w winds 10 to 15 kt with gusts up to 20 kt, becoming
nw after midnight. seas 2 to 4 ft. wave detail: sw 4 ft at
7 seconds and nw 2 ft at 3 seconds. a chance of showers. 
.thu...n winds 10 to 15 kt, becoming e 5 to 10 kt in the
afternoon. seas 2 to 3 ft. wave detail: sw 3 ft at 7 seconds and
n 1 foot at 3 seconds. 
.thu night...s winds 5 to 10 kt, becoming w after midnight. seas
around 2 ft. wave detail: n 2 ft at 5 seconds and s 2 ft at
7 seconds. 
.fri...e winds 5 to 10 kt. seas around 2 ft. 
.fri night...s winds 5 to 10 kt. seas around 2 ft. a chance of
showers. 
.sat and sat night...e winds 10 to 15 kt. gusts up to 20 kt. seas
2 to 3 ft. showers likely.  

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 190806
cwfbox
expires:202605192100;;814194

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt tue may 19 2026

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


anz234-192100-
buzzards bay-
405 am edt tue may 19 2026

.today...sw winds 10 to 15 kt, increasing to 15 to 20 kt this
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: sw
3 ft at 5 seconds and w 1 foot at 2 seconds. patchy fog this
morning with vsby 1 nm or less. 
.tonight...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: s 3 ft at 6 seconds and se 1 foot at
15 seconds. patchy fog after midnight with vsby 1 nm or less. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: sw 4 ft at 5 seconds and s 2 ft at 8 seconds.
patchy fog in the morning. showers likely in the afternoon. vsby
1 nm or less in the morning. 
.wed night...w winds 10 to 15 kt with gusts up to 20 kt, becoming
nw after midnight. seas 2 to 3 ft. wave detail: s 3 ft at
7 seconds and n 2 ft at 2 seconds. a chance of showers. 
.thu...n winds 10 to 15 kt, becoming e 5 to 10 kt in the
afternoon. seas around 2 ft. wave detail: s 2 ft at 7 seconds and
n 1 foot at 3 seconds. 
.thu night...s winds 5 to 10 kt, becoming w after midnight. seas
around 2 ft. wave detail: n 2 ft at 3 seconds and e 1 foot at
2 seconds. 
.fri...e winds 5 to 10 kt. seas 1 foot or less. 
.fri night...s winds 5 to 10 kt. seas 1 foot or less. a chance of
showers. 
.sat and sat night...e winds 10 to 15 kt. gusts up to 20 kt. seas
around 2 ft. showers likely.  

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 190806
cwfbox
expires:202605192100;;814195

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt tue may 19 2026

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


anz235-192100-
rhode island sound-
405 am edt tue may 19 2026

.today...sw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: sw 4 ft at 6 seconds and e 1 foot at
3 seconds. patchy fog this morning with vsby 1 nm or less. 
.tonight...sw winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. wave detail: se 6 ft at 7 seconds and w 3 ft at 4 seconds.
patchy fog after midnight with vsby 1 nm or less. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
5 ft. wave detail: sw 5 ft at 7 seconds and se 3 ft at 7 seconds.
patchy fog in the morning. a chance of showers in the afternoon.
vsby 1 nm or less in the morning. 
.wed night...w winds 15 to 20 kt, becoming nw 10 to 15 kt after
midnight. seas 3 to 5 ft. wave detail: s 5 ft at 7 seconds and n
2 ft at 2 seconds. a chance of showers. 
.thu...n winds 10 to 15 kt, becoming e 5 to 10 kt in the
afternoon. seas 2 to 3 ft. wave detail: s 3 ft at 7 seconds and
se 2 ft at 9 seconds. 
.thu night...s winds 5 to 10 kt, becoming w after midnight. seas
2 to 3 ft. wave detail: ne 2 ft at 4 seconds and s 2 ft at
6 seconds. 
.fri...e winds 5 to 10 kt. seas around 2 ft. 
.fri night...s winds 5 to 10 kt. seas around 2 ft. a chance of
showers. 
.sat and sat night...e winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. showers likely.  

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 190806
cwfbox
expires:202605192100;;814198

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt tue may 19 2026

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


anz236-192100-
narragansett bay-
405 am edt tue may 19 2026

.today...sw winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
3 ft. 
.tonight...sw winds 10 to 15 kt with gusts up to 20 kt. waves
2 to 3 ft. patchy fog after midnight with vsby 1 nm or less. 
.wed...sw winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. waves 2 to 3 ft. showers likely in
the afternoon. 
.wed night...w winds 10 to 15 kt with gusts up to 20 kt, becoming
nw after midnight. waves 2 to 3 ft. showers likely in the
evening. 
.thu...n winds 10 to 15 kt, becoming e 5 to 10 kt in the
afternoon. waves around 2 ft. 
.thu night...s winds 5 to 10 kt, becoming nw after midnight.
waves around 2 ft. 
.fri...e winds 5 to 10 kt. waves around 2 ft. 
.fri night...s winds 5 to 10 kt. waves around 2 ft. a chance of
showers. 
.sat and sat night...e winds 10 to 15 kt. waves around 2 ft.
showers likely.  

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 190806
cwfbox
expires:202605192100;;814186

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt tue may 19 2026

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


anz250-192100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 am edt tue may 19 2026

.today...sw winds 10 to 15 kt with gusts up to 20 kt, becoming s
15 to 20 kt with gusts up to 30 kt this afternoon. seas 2 to
4 ft. wave detail: sw 4 ft at 4 seconds and se 2 ft at 9 seconds.
.tonight...sw winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
4 ft. wave detail: sw 4 ft at 5 seconds and se 3 ft at 9 seconds.
patchy fog after midnight with vsby 1 nm or less. 
.wed...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: sw 3 ft at 4 seconds and se 2 ft at 9 seconds.
a chance of showers in the afternoon. 
.wed night...w winds 10 to 15 kt, becoming nw after midnight.
gusts up to 20 kt. seas 2 to 3 ft. wave detail: sw 2 ft at
4 seconds and se 2 ft at 9 seconds. a chance of showers in the
evening. 
.thu...n winds 10 to 15 kt with gusts up to 20 kt, becoming e
5 to 10 kt in the afternoon. seas 2 to 3 ft. wave detail: n 3 ft
at 5 seconds and se 2 ft at 9 seconds. 
.thu night...s winds 5 to 10 kt, becoming n after midnight. seas
around 2 ft. wave detail: w 2 ft at 4 seconds and n 2 ft at
5 seconds. 
.fri and fri night...ne winds 5 to 10 kt, becoming s. seas around
2 ft. 
.sat and sat night...e winds 5 to 10 kt. seas around 2 ft.
showers likely.  

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 190806
cwfbox
expires:202605192100;;814189

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt tue may 19 2026

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


anz254-192100-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
405 am edt tue may 19 2026

...small craft advisory in effect from 11 am edt this morning
through late wednesday night...

.today...sw winds 15 to 20 kt. gusts up to 30 kt this afternoon.
seas 3 to 5 ft. wave detail: sw 5 ft at 5 seconds and se 2 ft at
9 seconds. patchy fog this morning with vsby 1 nm or less. 
.tonight...sw winds 15 to 20 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: sw 5 ft at 5 seconds and se 2 ft at 9 seconds.
patchy fog after midnight with vsby 1 nm or less. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. wave detail: sw 5 ft at 7 seconds and w 2 ft at 4 seconds.
patchy fog. a chance of showers in the afternoon. vsby 1 nm or
less. 
.wed night...w winds 15 to 20 kt with gusts up to 25 kt, becoming
nw 10 to 15 kt after midnight. seas 3 to 5 ft. wave detail: s
5 ft at 7 seconds and w 2 ft at 4 seconds. a chance of showers. 
.thu...n winds 10 to 15 kt. gusts up to 20 kt in the morning.
seas 2 to 4 ft. wave detail: s 3 ft at 7 seconds and n 2 ft at
4 seconds. a chance of showers in the morning. 
.thu night...s winds around 5 kt, becoming w around 5 kt after
midnight. seas 2 to 3 ft. wave detail: s 2 ft at 6 seconds and n
2 ft at 6 seconds. 
.fri...e winds around 5 kt. seas 2 to 3 ft. 
.fri night...s winds around 5 kt. seas around 2 ft. a chance of
showers. 
.sat and sat night...e winds 10 to 15 kt. gusts up to 20 kt. seas
2 to 3 ft. showers likely.  

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 190806
cwfbox
expires:202605192100;;814190

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt tue may 19 2026

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


anz255-192100-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
405 am edt tue may 19 2026

...small craft advisory in effect from 11 am edt this morning
through late wednesday night...

.today...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: w 5 ft at 5 seconds and se 2 ft at 9 seconds.
patchy fog this morning with vsby 1 nm or less. 
.tonight...sw winds around 20 kt with gusts up to 25 kt. seas
5 to 7 ft. wave detail: w 7 ft at 6 seconds and e 1 foot at
10 seconds. patchy fog after midnight with vsby 1 nm or less. 
.wed...sw winds around 20 kt with gusts up to 25 kt. seas 5 to
7 ft. wave detail: w 7 ft at 6 seconds and e 1 foot at 9 seconds.
patchy fog. vsby 1 nm or less. 
.wed night...w winds 15 to 20 kt with gusts up to 25 kt, becoming
nw 10 to 15 kt after midnight. seas 4 to 6 ft. wave detail: w
6 ft at 6 seconds and n 2 ft at 2 seconds. showers likely. patchy
fog in the evening with vsby 1 nm or less. 
.thu...ne winds 10 to 15 kt. seas 2 to 4 ft. wave detail: sw 4 ft
at 7 seconds and n 2 ft at 4 seconds. a chance of showers in the
morning. 
.thu night...se winds 5 to 10 kt, becoming w after midnight. seas
2 to 3 ft. wave detail: sw 2 ft at 6 seconds and n 1 foot at
3 seconds. 
.fri...e winds 5 to 10 kt. seas 2 to 3 ft. 
.fri night...se winds 5 to 10 kt. seas around 2 ft. a chance of
showers. 
.sat and sat night...e winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. showers likely.  

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.

$$