fzus51 kbox 192006
cwfbox
expires:202605200900;;308521

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

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


anz231-200900-
cape cod bay-
405 pm edt tue may 19 2026

.tonight...sw winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. gusts up to 25 kt. seas 2 to 4 ft. wave detail: w 2 ft
at 3 seconds and se 1 foot at 9 seconds. a slight chance of
showers this evening. patchy fog after midnight with vsby 1 to
3 nm. 
.wed...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: sw 2 ft at 3 seconds and se 1 foot at
10 seconds. patchy fog in the morning with vsby 1 to 3 nm. 
.wed night...w winds 10 to 15 kt with gusts up to 20 kt, becoming
nw after midnight. seas around 2 ft. wave detail: nw 2 ft at
3 seconds and s 1 foot at 11 seconds. a chance of showers in the
evening. 
.thu...n winds 10 to 15 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 11 seconds. 
.thu night...s winds around 5 kt, becoming nw after midnight.
seas 1 foot or less. wave detail: n 1 foot at 5 seconds and se
1 foot at 10 seconds. 
.fri and fri night...sw winds 5 to 10 kt. seas 1 foot or less.
wave detail: n 1 foot at 4 seconds and se 1 foot at 10 seconds. 
.sat through sun night...e winds 5 to 10 kt with gusts up to
20 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 192006
cwfbox
expires:202605200900;;308525

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

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


anz232-200900-
nantucket sound-
405 pm edt tue may 19 2026

.tonight...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: sw 3 ft at 4 seconds and se 1 foot at
9 seconds. patchy fog. vsby 1 nm or less, increasing to 1 to 3 nm
after midnight. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: w 3 ft at 4 seconds and se 1 foot at
8 seconds. patchy fog in the morning with vsby 1 to 3 nm. 
.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: w 3 ft at
4 seconds and n 1 foot at 3 seconds. a chance of showers. 
.thu...ne winds 10 to 15 kt. seas 2 to 3 ft. wave detail: n 2 ft
at 3 seconds and w 2 ft at 6 seconds. 
.thu night...se winds 5 to 10 kt, becoming w after midnight. seas
around 2 ft. wave detail: ne 1 foot at 3 seconds and sw 1 foot at
5 seconds. 
.fri...ne winds 5 to 10 kt, becoming se in the afternoon. seas
around 2 ft in the morning, then 1 foot or less. wave detail: n
1 foot at 4 seconds and sw 1 foot at 6 seconds, becoming ne
1 foot at 4 seconds and sw 1 foot at 6 seconds. 
.fri night...s winds 5 to 10 kt, becoming sw after midnight. seas
1 foot or less. a chance of showers after midnight. 
.sat...se winds 5 to 10 kt. seas around 2 ft. a chance of
showers. 
.sat night through sun night...e winds 10 to 15 kt with 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 192006
cwfbox
expires:202605200900;;308526

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

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


anz233-200900-
vineyard sound-
405 pm edt tue may 19 2026

.tonight...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 w 3 ft at 4 seconds.
patchy fog. vsby 1 nm or less, increasing to 1 to 3 nm after
midnight. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: sw 4 ft at 7 seconds and w 2 ft at 3 seconds.
patchy fog in the morning with vsby 1 to 3 nm. 
.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 in the afternoon. seas
2 to 3 ft. wave detail: sw 3 ft at 7 seconds and n 2 ft at
3 seconds. a chance of showers in the morning. 
.thu night...s winds 5 to 10 kt, becoming w after midnight. seas
around 2 ft. wave detail: sw 2 ft at 6 seconds and se 2 ft at
10 seconds. 
.fri...ne winds 5 to 10 kt, becoming se in the afternoon. seas
around 2 ft. wave detail: n 1 foot at 3 seconds and sw 1 foot at
6 seconds. 
.fri night...s winds 5 to 10 kt, becoming sw after midnight. seas
around 2 ft in the evening, then 1 foot or less. a chance of
showers after midnight. 
.sat...se winds 5 to 10 kt. seas around 2 ft. a chance of
showers. 
.sat night through sun night...e winds 10 to 15 kt with 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 192006
cwfbox
expires:202605200900;;308527

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

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


anz234-200900-
buzzards bay-
405 pm edt tue may 19 2026

.tonight...sw winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. gusts up to 25 kt. seas 2 to 4 ft. wave detail: s 4 ft
at 8 seconds and sw 3 ft at 4 seconds. patchy fog after midnight
with vsby 1 to 3 nm. 
.wed...sw winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: sw
3 ft at 5 seconds and w 2 ft at 2 seconds. patchy fog in the
morning with vsby 1 to 3 nm. 
.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: w 3 ft at
3 seconds and s 3 ft at 7 seconds. a chance of showers in the
evening. 
.thu...n winds 10 to 15 kt, becoming e 5 to 10 kt in the
afternoon. seas around 2 ft. wave detail: n 2 ft at 3 seconds and
sw 2 ft at 7 seconds. 
.thu night...s winds 5 to 10 kt, becoming w after midnight. seas
around 2 ft. wave detail: n 2 ft at 4 seconds and se 2 ft at
11 seconds. 
.fri...ne winds 5 to 10 kt, becoming se in the afternoon. seas
1 foot or less. wave detail: n 1 foot at 3 seconds and sw 1 foot
at 6 seconds. 
.fri night...s winds 5 to 10 kt, becoming sw after midnight. seas
1 foot or less. a chance of showers after midnight. 
.sat...se winds 5 to 10 kt. seas around 2 ft. a chance of
showers. 
.sat night and sun...e winds 10 to 15 kt. gusts up to 20 kt. seas
2 to 3 ft. showers likely. 
.sun night...e winds 10 to 15 kt with gusts up to 20 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 192006
cwfbox
expires:202605200900;;308528

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

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


anz235-200900-
rhode island sound-
405 pm edt tue may 19 2026

.tonight...sw winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. wave detail: s 6 ft at 7 seconds and w 2 ft at 4 seconds.
patchy fog. vsby 1 nm or less, increasing to 1 to 3 nm after
midnight. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
5 ft. wave detail: s 5 ft at 7 seconds and sw 3 ft at 3 seconds.
patchy fog in the morning with vsby 1 to 3 nm. 
.wed night...w winds 10 to 15 kt with gusts up to 20 kt, becoming
nw after midnight. seas 3 to 5 ft. wave detail: sw 5 ft at
7 seconds and se 4 ft at 8 seconds. a chance of showers. 
.thu...n winds 10 to 15 kt, becoming e in the afternoon. seas
2 to 4 ft. wave detail: sw 4 ft at 7 seconds and s 3 ft at
9 seconds. a chance of showers in the morning. 
.thu night...s winds 5 to 10 kt, becoming w after midnight. seas
2 to 3 ft. wave detail: s 2 ft at 6 seconds and s 2 ft at
9 seconds. 
.fri...ne winds around 10 kt, becoming se in the afternoon. seas
around 2 ft. wave detail: e 2 ft at 3 seconds and s 2 ft at
6 seconds. 
.fri night...s winds 5 to 10 kt, diminishing to around 5 kt after
midnight. seas around 2 ft. a chance of showers after midnight. 
.sat and sat night...e winds 10 to 15 kt. gusts up to 20 kt. seas
2 to 3 ft. showers likely. 
.sun...e winds 15 to 20 kt. seas 3 to 5 ft. showers likely. 
.sun night...e winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 5 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 192006
cwfbox
expires:202605200900;;308531

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

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


anz236-200900-
narragansett bay-
405 pm edt tue may 19 2026

.tonight...sw winds 10 to 15 kt. gusts up to 20 kt this evening.
waves 2 to 3 ft. patchy fog after midnight with vsby 1 to 3 nm. 
.wed...sw winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
3 ft. a chance of showers in the afternoon. 
.wed night...nw winds 10 to 15 kt. waves 2 to 3 ft. a chance of
showers 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...ne winds 5 to 10 kt, becoming se in the afternoon. waves
around 2 ft. 
.fri night...s winds 5 to 10 kt, becoming sw after midnight.
waves around 2 ft in the evening, then 1 foot or less. a chance
of showers after midnight. 
.sat...se winds 5 to 10 kt. waves around 2 ft. a chance of
showers. 
.sat night and sun...e winds 10 to 15 kt. gusts up to 20 kt.
waves 2 to 3 ft. showers likely. 
.sun night...e winds 10 to 15 kt. waves 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 192006
cwfbox
expires:202605200900;;308519

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

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


anz250-200900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 pm edt tue may 19 2026

.tonight...sw 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 2 to 4 ft. wave detail: sw 3 ft at 4 seconds and se 3 ft at
7 seconds. patchy fog. a slight chance of showers this evening.
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: se 3 ft at 8 seconds and w 2 ft at 4 seconds.
patchy fog in the morning. a chance of showers in the afternoon.
vsby 1 to 3 nm 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: nw 2 ft at
4 seconds and se 2 ft at 9 seconds. 
.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 2 ft
at 4 seconds and se 2 ft at 9 seconds. 
.thu night...s winds around 5 kt, becoming n after midnight. seas
around 2 ft. wave detail: n 2 ft at 4 seconds and se 1 foot at
9 seconds. 
.fri and fri night...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: s 2 ft at 3 seconds and n 1 foot at 3 seconds. 
.sat and sat night...e winds around 5 kt, becoming se. seas
around 2 ft. a chance of showers. 
.sun...e winds around 10 kt. seas around 2 ft. a chance of
showers. 
.sun night...e winds around 10 kt. seas 3 to 5 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 192006
cwfbox
expires:202605200900;;308522

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

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


anz254-200900-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
405 pm edt tue may 19 2026

...small craft advisory in effect through late wednesday night...

.tonight...sw winds 15 to 20 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: s 5 ft at 7 seconds and w 2 ft at 4 seconds.
patchy fog. 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 in the morning with vsby 1 nm or less. 
.wed night...w winds 15 to 20 kt, becoming nw 10 to 15 kt after
midnight. seas 3 to 5 ft. wave detail: w 4 ft at 5 seconds and se
3 ft at 8 seconds. a chance of showers. 
.thu...ne winds 10 to 15 kt. gusts up to 20 kt in the morning.
seas 2 to 4 ft. wave detail: s 3 ft at 8 seconds and n 2 ft at
4 seconds. 
.thu night...se winds around 5 kt, becoming nw after midnight.
seas 2 to 3 ft. wave detail: n 2 ft at 6 seconds and se 2 ft at
8 seconds. 
.fri and fri night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: n 2 ft at 5 seconds and se 1 foot at 9 seconds. 
.sat and sat night...se winds 5 to 10 kt, becoming e 10 to 15 kt.
seas 2 to 3 ft. a chance of showers. 
.sun...e winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
5 ft. a chance of showers. 
.sun night...e winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 5 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 192006
cwfbox
expires:202605200900;;308523

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

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


anz255-200900-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
405 pm edt tue may 19 2026

...small craft advisory in effect through late wednesday night...

.tonight...sw winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. seas 5 to 7 ft. wave detail: sw 7 ft at 7 seconds and
se 7 ft at 11 seconds. patchy fog. vsby 1 nm or less. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. seas 5 to
7 ft. wave detail: w 6 ft at 6 seconds and se 2 ft at 8 seconds.
patchy fog in the morning with vsby 1 nm or less. 
.wed night...w winds 15 to 20 kt, becoming nw 10 to 15 kt after
midnight. seas 4 to 6 ft. wave detail: sw 5 ft at 7 seconds and
se 2 ft at 9 seconds. a chance of showers. patchy fog in the
evening with vsby 1 to 3 nm. 
.thu...ne winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: sw 4 ft at 7 seconds and n 2 ft at 3 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: s 2 ft at 6 seconds and n 1 foot at
4 seconds. 
.fri...ne winds 5 to 10 kt, becoming e in the afternoon. seas
around 2 ft. wave detail: s 2 ft at 6 seconds and n 1 foot at
5 seconds. 
.fri night...s winds 5 to 10 kt. seas around 2 ft. a chance of
showers after midnight. 
.sat...e winds 10 to 15 kt. seas 2 to 3 ft. a chance of showers. 
.sat night...e winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 4 ft. showers likely. 
.sun and sun night...e winds 15 to 20 kt, diminishing to 10 to
15 kt. seas 4 to 6 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.

$$