(1/18)
Latest Coastal Waters Forecast by KBOX
Issued 5/20/2026 4:03 PM America/New_York.
Valid through 5/21/2026 5:00 AM America/New_York.
fzus51 kbox 202003
cwfbox
expires:202605210900;;363019
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt wed may 20 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz235-210900-
rhode island sound-
403 pm edt wed may 20 2026
...small craft advisory in effect until 8 pm edt this evening...
.tonight...w winds 10 to 15 kt with gusts up to 25 kt, becoming
nw after midnight. seas 2 to 4 ft. wave detail: sw 4 ft at
7 seconds. showers likely with a slight chance of tstms this
evening, then a chance of showers after midnight.
.thu...ne winds 10 to 15 kt, becoming e in the afternoon. seas
2 to 3 ft. wave detail: ne 3 ft at 7 seconds. a chance of showers
in the morning.
.thu night...s winds 5 to 10 kt, becoming nw after midnight. seas
2 to 3 ft. wave detail: s 3 ft at 7 seconds.
.fri...ne winds 10 to 15 kt, becoming e in the afternoon. seas
around 2 ft. wave detail: ne 2 ft at 7 seconds and se 1 foot at
14 seconds.
.fri night...se winds 5 to 10 kt. seas around 2 ft. wave detail:
se 2 ft at 5 seconds.
.sat...e winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: se 3 ft at 5 seconds. a
chance of showers in the afternoon.
.sat night...e winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. seas 3 to 5 ft. showers likely.
.sun...e winds 20 to 25 kt. seas 4 to 6 ft. showers likely.
.sun night...e winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 5 ft. showers likely.
.mon and mon night...s winds 5 to 10 kt, becoming w. seas 2 to
4 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.
$$
(2/18)
Latest Coastal Waters Forecast by KBOX
Issued 5/20/2026 4:03 PM America/New_York.
Valid through 5/21/2026 5:00 AM America/New_York.
fzus51 kbox 202003
cwfbox
expires:202605210900;;363014
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt wed may 20 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz255-210900-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
403 pm edt wed may 20 2026
...small craft advisory in effect until 2 am edt thursday...
.tonight...w winds 15 to 20 kt with gusts up to 25 kt, becoming
nw 10 to 15 kt after midnight. seas 3 to 5 ft. wave detail: sw
5 ft at 7 seconds. a chance of showers with a slight chance of
tstms.
.thu...ne winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: ne 4 ft at 7 seconds. a chance of showers.
.thu night...e winds 5 to 10 kt, becoming ne after midnight. seas
2 to 3 ft. wave detail: se 3 ft at 6 seconds and se 1 foot at
14 seconds.
.fri...ne winds 10 to 15 kt. seas 2 to 3 ft. wave detail: ne 3 ft
at 7 seconds and se 1 foot at 14 seconds.
.fri night...e winds 5 to 10 kt. seas around 2 ft. wave detail: e
2 ft at 6 seconds and se 1 foot at 14 seconds.
.sat...e winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: e 2 ft at 7 seconds and
se 1 foot at 14 seconds. a chance of showers in the afternoon.
.sat night...e winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. seas 3 to 5 ft. showers likely.
.sun through mon...s winds 20 to 25 kt. seas 4 to 6 ft. showers
likely.
.mon night...w winds 5 to 10 kt. seas 3 to 5 ft. a chance of
showers.
winds and seas higher in and near tstms.
seas are reported as significant wave height, which is the
average of the highest third of the waves. individual wave
heights may be more than twice the significant wave height.
$$
(3/18)
Latest Coastal Waters Forecast by KBOX
Issued 5/20/2026 4:03 PM America/New_York.
Valid through 5/21/2026 5:00 AM America/New_York.
fzus51 kbox 202003
cwfbox
expires:202605210900;;363013
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt wed may 20 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz254-210900-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
403 pm edt wed may 20 2026
...small craft advisory in effect until 2 am edt thursday...
.tonight...w winds 10 to 15 kt with gusts up to 20 kt, becoming n
after midnight. seas 3 to 5 ft. wave detail: w 5 ft at 7 seconds.
a chance of showers. a slight chance of tstms this evening.
.thu...ne winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt in the afternoon. seas 2 to 3 ft. wave detail: n
3 ft at 6 seconds and se 1 foot at 14 seconds. a chance of
showers in the morning.
.thu night...se winds around 5 kt, becoming nw after midnight.
seas 2 to 3 ft. wave detail: e 3 ft at 6 seconds and se 1 foot at
14 seconds.
.fri...ne winds 5 to 10 kt. seas around 2 ft. wave detail: ne
2 ft at 6 seconds and se 1 foot at 14 seconds.
.fri night...se winds around 5 kt, becoming sw around 5 kt after
midnight. seas around 2 ft. wave detail: ne 2 ft at 6 seconds and
se 1 foot at 14 seconds.
.sat...ne winds 5 to 10 kt, becoming e in the afternoon. seas
around 2 ft. wave detail: e 2 ft at 7 seconds and se 1 foot at
13 seconds.
.sat night...e winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. seas 2 to 4 ft. a chance of showers in the evening,
then showers likely after midnight.
.sun and sun night...e winds 15 to 20 kt, diminishing to 10 to
15 kt. gusts up to 25 kt. seas 3 to 5 ft. showers likely.
.mon...s winds around 10 kt. seas 4 to 6 ft. showers likely.
.mon night...w winds 5 to 10 kt. seas 4 to 6 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.
$$
(4/18)
Latest Coastal Waters Forecast by KBOX
Issued 5/20/2026 4:03 PM America/New_York.
Valid through 5/21/2026 5:00 AM America/New_York.
fzus51 kbox 202003
cwfbox
expires:202605210900;;363010
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt wed may 20 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz250-210900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
403 pm edt wed may 20 2026
.tonight...w winds 10 to 15 kt, becoming n after midnight. gusts
up to 20 kt. seas 2 to 3 ft. wave detail: w 3 ft at 5 seconds. a
slight chance of showers.
.thu...n winds around 10 kt with gusts up to 20 kt, becoming e in
the afternoon. seas 2 to 3 ft. wave detail: n 3 ft at 5 seconds.
.thu night...s winds around 5 kt, becoming n after midnight. seas
around 2 ft. wave detail: ne 2 ft at 6 seconds.
.fri...ne winds 5 to 10 kt, becoming e in the afternoon. seas
around 2 ft. wave detail: ne 2 ft at 5 seconds and se 1 foot at
14 seconds.
.fri night...s winds 5 to 10 kt, becoming w after midnight. seas
around 2 ft. wave detail: e 2 ft at 6 seconds and se 1 foot at
14 seconds.
.sat...n winds around 5 kt, becoming e around 5 kt in the
afternoon. seas 1 foot or less. wave detail: se 1 foot at
8 seconds and se 1 foot at 11 seconds.
.sat night...se winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt after midnight. seas 1 foot or less, then
around 2 ft after midnight. a chance of showers.
.sun and sun night...e winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 4 ft. showers likely.
.mon and mon night...e winds 5 to 10 kt, becoming w. seas 3 to
5 ft. a chance of showers.
seas are reported as significant wave height, which is the
average of the highest third of the waves. individual wave
heights may be more than twice the significant wave height.
$$
(5/18)
Latest Coastal Waters Forecast by KBOX
Issued 5/20/2026 4:03 PM America/New_York.
Valid through 5/21/2026 5:00 AM America/New_York.
fzus51 kbox 202003
cwfbox
expires:202605210900;;363020
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt wed may 20 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz237-210900-
block island sound-
403 pm edt wed may 20 2026
...small craft advisory in effect until 8 pm edt this evening...
.tonight...w winds 10 to 15 kt with gusts up to 20 kt, becoming
nw 5 to 10 kt after midnight. seas 2 to 4 ft. wave detail: sw
4 ft at 7 seconds. showers likely with a slight chance of tstms
this evening, then a chance of showers after midnight.
.thu...ne winds around 10 kt, becoming e in the afternoon. seas
2 to 3 ft. wave detail: e 3 ft at 7 seconds. a chance of showers.
.thu night...s winds around 5 kt, becoming n after midnight. seas
around 2 ft. wave detail: s 2 ft at 6 seconds.
.fri...ne winds 10 to 15 kt, becoming e in the afternoon. seas
around 2 ft. wave detail: ne 2 ft at 6 seconds.
.fri night...se winds 5 to 10 kt, becoming e after midnight. seas
around 2 ft. wave detail: se 2 ft at 6 seconds.
.sat...e winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: e 3 ft
at 5 seconds. a chance of showers.
.sat night...e winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. showers.
.sun...e winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. showers.
.sun night...e winds 10 to 15 kt. seas 4 to 6 ft. a chance of
showers.
.mon...s winds 5 to 10 kt. seas 3 to 5 ft. a chance of showers.
.mon night...w winds 5 to 10 kt. seas 2 to 4 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.
$$
(6/18)
Latest Coastal Waters Forecast by KBOX
Issued 5/20/2026 4:03 PM America/New_York.
Valid through 5/21/2026 5:00 AM America/New_York.
fzus51 kbox 202003
cwfbox
expires:202605210900;;363022
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt wed may 20 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz236-210900-
narragansett bay-
403 pm edt wed may 20 2026
.tonight...w winds 5 to 10 kt with gusts up to 20 kt, becoming n
after midnight. waves 2 to 3 ft. a chance of showers. a chance of
tstms this evening.
.thu...ne winds around 10 kt, becoming se in the afternoon. waves
around 2 ft. a chance of showers in the morning.
.thu night...s winds around 5 kt, becoming nw after midnight.
waves around 2 ft.
.fri...ne winds around 10 kt, becoming se in the afternoon. waves
around 2 ft.
.fri night...s winds 5 to 10 kt, diminishing to around 5 kt after
midnight. waves around 2 ft in the evening, then 1 foot or less.
.sat...e winds 5 to 10 kt, becoming se in the afternoon. waves
1 foot or less, then around 2 ft in the afternoon. a chance of
showers in the afternoon.
.sat night...e winds 10 to 15 kt, increasing to 15 to 20 kt with
gusts up to 25 kt after midnight. waves 2 to 3 ft. showers
likely.
.sun...e winds 15 to 20 kt with gusts up to 25 kt. waves 2 to
4 ft. showers likely.
.sun night through mon night...w winds 5 to 10 kt. waves 2 to
3 ft. a chance of showers.
winds and waves higher in and near tstms.
seas are reported as significant wave height, which is the
average of the highest third of the waves. individual wave
heights may be more than twice the significant wave height.
$$
(7/18)
Latest Coastal Waters Forecast by KBOX
Issued 5/20/2026 4:03 PM America/New_York.
Valid through 5/21/2026 5:00 AM America/New_York.
fzus51 kbox 202003
cwfbox
expires:202605210900;;363021
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt wed may 20 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz230-210900-
boston harbor-
403 pm edt wed may 20 2026
...small craft advisory in effect until 8 pm edt this evening...
.tonight...w winds 10 to 15 kt with gusts up to 20 kt, becoming
nw after midnight. waves around 2 ft this evening, then 1 foot or
less. a slight chance of showers.
.thu...n winds 5 to 10 kt, becoming e in the afternoon. waves
1 foot or less.
.thu night...se winds 5 to 10 kt, becoming n after midnight.
waves 1 foot or less.
.fri...ne winds 5 to 10 kt, becoming se in the afternoon. waves
1 foot or less.
.fri night...s winds 5 to 10 kt, becoming w after midnight. waves
1 foot or less.
.sat...ne winds around 5 kt, becoming e in the afternoon. waves
1 foot or less.
.sat night...se winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. waves 1 foot or less, then around 2 ft after midnight.
a chance of showers in the evening, then showers likely after
midnight.
.sun...e winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
3 ft. showers likely.
.sun night through mon night...w winds 10 to 15 kt with gusts up
to 20 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.
$$
(8/18)
Latest Coastal Waters Forecast by KBOX
Issued 5/20/2026 4:03 PM America/New_York.
Valid through 5/21/2026 5:00 AM America/New_York.
fzus51 kbox 202003
cwfbox
expires:202605210900;;363012
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt wed may 20 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz231-210900-
cape cod bay-
403 pm edt wed may 20 2026
.tonight...w winds around 10 kt with gusts up to 20 kt, becoming
n after midnight. seas around 2 ft this evening, then 1 foot or
less. wave detail: w 1 foot at 3 seconds and e 1 foot at
13 seconds, becoming nw 1 foot at 4 seconds and e 1 foot at
17 seconds. a chance of showers. a slight chance of tstms this
evening.
.thu...n winds around 10 kt, becoming e in the afternoon. seas
around 2 ft. wave detail: n 1 foot at 4 seconds and e 1 foot at
15 seconds. a chance of showers in the morning.
.thu night...s winds around 5 kt, becoming nw after midnight.
seas 1 foot or less. wave detail: n 1 foot at 4 seconds and se
1 foot at 14 seconds.
.fri...ne winds 5 to 10 kt. seas around 2 ft in the morning, then
1 foot or less. wave detail: ne 1 foot at 4 seconds and e 1 foot
at 14 seconds, becoming ne 1 foot at 3 seconds and e 1 foot at
13 seconds.
.fri night...s winds around 5 kt, becoming sw around 5 kt after
midnight. seas 1 foot or less. wave detail: ne 1 foot at
3 seconds and e 1 foot at 9 seconds.
.sat...ne winds around 5 kt, becoming e in the afternoon. seas
1 foot or less. wave detail: ne 1 foot at 3 seconds and se 1 foot
at 12 seconds.
.sat night...se winds 5 to 10 kt, becoming e 10 to 15 kt with
gusts up to 20 kt after midnight. seas 1 foot or less, then
around 2 ft after midnight. a chance of showers in the evening,
then showers likely after midnight.
.sun and sun night...e winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 3 ft. showers likely.
.mon and mon night...se winds 5 to 10 kt, becoming w. seas around
2 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.
$$
(9/18)
Latest Coastal Waters Forecast by KBOX
Issued 5/20/2026 4:03 PM America/New_York.
Valid through 5/21/2026 5:00 AM America/New_York.
fzus51 kbox 202003
cwfbox
expires:202605210900;;363016
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt wed may 20 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz232-210900-
nantucket sound-
403 pm edt wed may 20 2026
...small craft advisory in effect until 8 pm edt this evening...
.tonight...w winds 10 to 15 kt with gusts up to 25 kt, becoming n
after midnight. seas 2 to 3 ft. wave detail: w 3 ft at 5 seconds
and e 1 foot at 2 seconds. showers likely with a slight chance of
tstms this evening, then a chance of showers after midnight.
.thu...ne winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt in the afternoon. seas around 2 ft. wave detail: ne
2 ft at 4 seconds and se 1 foot at 14 seconds. a chance of
showers in the morning.
.thu night...se winds around 5 kt, becoming nw after midnight.
seas around 2 ft. wave detail: e 1 foot at 5 seconds and se
1 foot at 14 seconds.
.fri...ne winds 10 to 15 kt, becoming e 5 to 10 kt in the
afternoon. seas around 2 ft. wave detail: ne 2 ft at 5 seconds
and se 1 foot at 12 seconds.
.fri night...se winds 5 to 10 kt, becoming s after midnight. seas
1 foot or less. wave detail: e 1 foot at 4 seconds and se 1 foot
at 12 seconds.
.sat...e winds 5 to 10 kt. seas 1 foot or less, then around 2 ft
in the afternoon. wave detail: e 1 foot at 6 seconds and e 1 foot
at 11 seconds, becoming e 1 foot at 3 seconds and e 1 foot at
11 seconds. a chance of showers in the afternoon.
.sat night...e winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. seas 2 to 3 ft. showers likely.
.sun through mon...s winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. showers likely.
.mon night...w winds 5 to 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.
$$
(10/18)
Latest Coastal Waters Forecast by KBOX
Issued 5/20/2026 4:03 PM America/New_York.
Valid through 5/21/2026 5:00 AM America/New_York.
fzus51 kbox 202003
cwfbox
expires:202605210900;;363017
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt wed may 20 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz233-210900-
vineyard sound-
403 pm edt wed may 20 2026
...small craft advisory in effect until 8 pm edt this evening...
.tonight...w winds 10 to 15 kt with gusts up to 20 kt, becoming n
5 to 10 kt after midnight. seas 2 to 4 ft. wave detail: sw 4 ft
at 7 seconds. a chance of showers. a chance of tstms this
evening.
.thu...ne winds 10 to 15 kt, becoming e 5 to 10 kt in the
afternoon. seas 2 to 3 ft. wave detail: ne 3 ft at 6 seconds. a
chance of showers in the morning.
.thu night...s winds around 5 kt, becoming nw after midnight.
seas around 2 ft. wave detail: sw 2 ft at 6 seconds and se 1 foot
at 14 seconds.
.fri...e winds 10 to 15 kt. seas around 2 ft. wave detail: ne
2 ft at 6 seconds and se 1 foot at 14 seconds.
.fri night...se winds 5 to 10 kt, diminishing to around 5 kt
after midnight. seas around 2 ft in the evening, then 1 foot or
less. wave detail: se 1 foot at 4 seconds, becoming s 1 foot at
5 seconds and se 1 foot at 13 seconds.
.sat...e winds 5 to 10 kt. seas 1 foot or less, then around 2 ft
in the afternoon. wave detail: e 1 foot at 7 seconds, becoming e
1 foot at 3 seconds. a chance of showers in the afternoon.
.sat night...e winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. seas 2 to 3 ft. showers likely.
.sun and sun night...e winds 15 to 20 kt, diminishing to 10 to
15 kt. gusts up to 25 kt. seas 2 to 4 ft. showers likely.
.mon and mon night...s winds 5 to 10 kt, becoming w. 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.
$$
(11/18)
Latest Coastal Waters Forecast by KBOX
Issued 5/20/2026 4:03 PM America/New_York.
Valid through 5/21/2026 5:00 AM America/New_York.
fzus51 kbox 202003
cwfbox
expires:202605210900;;363018
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt wed may 20 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz234-210900-
buzzards bay-
403 pm edt wed may 20 2026
...small craft advisory in effect until 8 pm edt this evening...
.tonight...w winds 10 to 15 kt with gusts up to 20 kt, becoming n
5 to 10 kt after midnight. seas 2 to 3 ft. wave detail: sw 3 ft
at 6 seconds. a chance of showers. a chance of tstms this
evening.
.thu...ne winds 10 to 15 kt, becoming e 5 to 10 kt in the
afternoon. seas around 2 ft. wave detail: ne 2 ft at 5 seconds. a
chance of showers in the morning.
.thu night...s winds around 5 kt, becoming nw after midnight.
seas around 2 ft. wave detail: s 1 foot at 6 seconds and se
1 foot at 15 seconds.
.fri...e winds 10 to 15 kt. seas around 2 ft in the morning, then
1 foot or less. wave detail: ne 1 foot at 6 seconds and se 1 foot
at 15 seconds, becoming e 1 foot at 3 seconds and se 1 foot at
13 seconds.
.fri night...se winds 5 to 10 kt, becoming s after midnight. seas
1 foot or less. wave detail: se 1 foot at 3 seconds and se 1 foot
at 14 seconds.
.sat...e winds 5 to 10 kt, becoming se in the afternoon. seas
1 foot or less, then around 2 ft in the afternoon. wave detail: e
1 foot at 6 seconds, becoming se 1 foot at 2 seconds and e 1 foot
at 11 seconds. a chance of showers in the afternoon.
.sat night...e winds 10 to 15 kt, increasing to 15 to 20 kt with
gusts up to 25 kt after midnight. seas 2 to 3 ft. showers likely.
.sun and sun night...e winds 15 to 20 kt, diminishing to 10 to
15 kt. gusts up to 25 kt. seas 2 to 3 ft. showers likely.
.mon and mon night...s winds 5 to 10 kt, becoming w. seas around
2 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.
$$
(12/18)
Latest Coastal Waters Forecast by KGYX
Issued 5/20/2026 5:02 PM America/New_York.
Valid through 5/21/2026 6:00 AM America/New_York.
fzus51 kgyx 202102
cwfgyx
expires:202605211000;;365317
coastal waters forecast
national weather service gray me
501 pm edt wed may 20 2026
coastal waters from stonington me to merrimack river ma out to 25 nm
anz154-211000-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
501 pm edt wed may 20 2026
.tonight...nw winds 10 to 15 kt, becoming n towards daybreak. seas
2 to 3 ft. wave detail: s 3 ft at 8 seconds and w 2 ft at 3 seconds.
scattered showers late this evening. isolated showers after
midnight.
.thu...n winds 10 to 15 kt with gusts up to 20 kt, becoming s 5 to
10 kt in the afternoon. seas 2 to 3 ft. wave detail: nw 2 ft at
3 seconds and se 2 ft at 9 seconds.
.thu night...sw winds 5 to 10 kt, becoming n after midnight. seas
around 2 ft.
.fri...n winds 5 to 10 kt, becoming s with gusts up to 20 kt in the
afternoon. seas around 2 ft. wave detail: s 2 ft at 10 seconds.
.fri night...sw winds 5 to 10 kt with gusts up to 20 kt, becoming w
after midnight. seas 2 to 3 ft. wave detail: s 2 ft at 5 seconds.
.sat...ne winds around 5 kt, becoming se in the afternoon. seas
around 2 ft.
.sat night...se winds 5 to 10 kt. seas 1 foot or less. a chance of
showers.
.sun...e winds 10 to 15 kt with gusts up to 20 kt. seas 2 to 3 ft.
showers likely.
.sun night...e winds 10 to 15 kt. seas 2 to 4 ft. showers likely.
.mon...e winds 5 to 10 kt. seas 3 to 4 ft. showers likely, mainly in
the morning.
.mon night...ne winds 5 to 10 kt, becoming nw after midnight. seas
3 to 4 ft, building to 4 to 6 ft after midnight. a chance of showers
in the evening.
$$
(13/18)
Latest Coastal Waters Forecast by KOKX
Issued 5/20/2026 2:42 PM America/New_York.
Valid through 5/21/2026 3:15 AM America/New_York.
fzus51 kokx 201842
cwfokx
expires:202605210715;;360130
coastal waters forecast
national weather service new york ny
242 pm edt wed may 20 2026
montauk point ny to sandy hook nj out 60 nm offshore, including
long island sound, the long island bays, and new york harbor
anz353-210715-
fire island inlet ny to moriches inlet ny out 20 nm-
242 pm edt wed may 20 2026
...severe thunderstorm watch 235 in effect until 9 pm edt this
evening...
.rest of today...sw winds 15 to 20 kt with gusts up to 25 kt.
seas around 4 ft, occasionally to 5 ft. wave detail: s 4 ft at
7 seconds. slight chance of showers and tstms early this
afternoon, then showers likely with chance of tstms late.
.tonight...w winds 10 to 15 kt with gusts up to 20 kt, becoming n
5 to 10 kt after midnight. seas 3 to 4 ft, occasionally to 5 ft.
wave detail: s 4 ft at 7 seconds and se 1 ft at 9 seconds.
showers likely with chance of tstms in the evening, then chance
of showers after midnight.
.thu...ne winds 10 to 15 kt with gusts up to 20 kt. seas around
3 ft. wave detail: s 3 ft at 6 seconds and ne 2 ft at 3 seconds.
showers likely, mainly in the morning.
.thu night...se winds 5 to 10 kt, becoming e after midnight. seas
2 to 3 ft. wave detail: se 2 ft at 5 seconds and se 1 ft at
9 seconds.
.fri...e winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft, occasionally to 5 ft. wave detail: se 3 ft at 6 seconds and
se 2 ft at 10 seconds.
.fri night...e winds 10 to 15 kt. seas 3 to 4 ft, occasionally to
5 ft. wave detail: se 3 ft at 6 seconds. chance of showers after
midnight.
.sat...e winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. seas 4 to 6 ft, occasionally to 8 ft. showers.
.sat night...e winds 20 to 25 kt. seas 6 to 7 ft, occasionally to
9 ft. showers.
.sun...e winds 20 to 25 kt. seas 6 to 7 ft, occasionally to 9 ft.
showers likely.
.sun night...ne winds 5 to 10 kt. seas 6 to 7 ft, occasionally to
9 ft. chance of showers.
.mon...w winds 5 to 10 kt. seas 5 to 7 ft, occasionally to 9 ft.
chance of showers.
.mon night...w winds 5 to 10 kt. seas 4 to 5 ft, occasionally to
6 ft. chance of showers.
winds and seas may be higher in and near tstms.
$$
(14/18)
Latest Coastal Waters Forecast by KOKX
Issued 5/20/2026 2:42 PM America/New_York.
Valid through 5/21/2026 3:15 AM America/New_York.
fzus51 kokx 201842
cwfokx
expires:202605210715;;360129
coastal waters forecast
national weather service new york ny
242 pm edt wed may 20 2026
montauk point ny to sandy hook nj out 60 nm offshore, including
long island sound, the long island bays, and new york harbor
anz350-210715-
moriches inlet ny to montauk point ny out 20 nm-
242 pm edt wed may 20 2026
...severe thunderstorm watch 235 in effect until 9 pm edt this
evening...
.rest of today...sw winds around 15 kt with gusts up to 25 kt.
seas 4 to 5 ft, occasionally to 6 ft. wave detail: s 5 ft at
7 seconds. slight chance of showers and tstms.
.tonight...w winds 10 to 15 kt with gusts up to 20 kt, becoming n
5 to 10 kt after midnight. seas 3 to 5 ft, occasionally to 6 ft.
wave detail: s 5 ft at 7 seconds and se 1 ft at 9 seconds.
showers and chance of tstms in the evening, then chance of
showers and slight chance of tstms after midnight.
.thu...ne winds 10 to 15 kt with gusts up to 20 kt. seas around
3 ft. wave detail: s 3 ft at 6 seconds and e 2 ft at 4 seconds.
showers likely, mainly in the morning.
.thu night...se winds 5 to 10 kt, becoming e after midnight. seas
2 to 3 ft. wave detail: e 2 ft at 5 seconds and s 2 ft at
6 seconds.
.fri...e winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft, occasionally to 5 ft. wave detail: se 3 ft at 6 seconds and
se 1 ft at 9 seconds.
.fri night...e winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
2 ft at 6 seconds and se 2 ft at 10 seconds.
.sat...e winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft, occasionally to 6 ft. chance of showers in the morning,
then showers likely in the afternoon.
.sat night...e winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 7 ft, occasionally to 9 ft. showers.
.sun...e winds 20 to 25 kt with gusts up to 30 kt. seas 6 to
7 ft, occasionally to 9 ft. showers.
.sun night...e winds 5 to 10 kt. seas 6 to 8 ft, occasionally to
10 ft. showers likely.
.mon...sw winds 5 to 10 kt. seas 5 to 7 ft, occasionally to 9 ft.
chance of showers.
.mon night...w winds 5 to 10 kt. seas 4 to 5 ft, occasionally to
6 ft. chance of showers.
winds and seas may be higher in and near tstms.
$$
(15/18)
Latest Coastal Waters Forecast by KOKX
Issued 5/20/2026 2:42 PM America/New_York.
Valid through 5/21/2026 3:15 AM America/New_York.
fzus51 kokx 201842
cwfokx
expires:202605210715;;360137
coastal waters forecast
national weather service new york ny
242 pm edt wed may 20 2026
montauk point ny to sandy hook nj out 60 nm offshore, including
long island sound, the long island bays, and new york harbor
anz345-210715-
south shore bays from jones inlet through shinnecock bay-
242 pm edt wed may 20 2026
...severe thunderstorm watch 235 in effect until 9 pm edt this
evening...
.rest of today...sw winds 10 to 15 kt with gusts up to 20 kt.
waves 1 ft or less. slight chance of tstms. chance of showers
early this afternoon, then showers late.
.tonight...w winds 5 to 10 kt, becoming n after midnight. waves
1 ft or less. showers and chance of tstms in the evening, then
chance of showers after midnight.
.thu...ne winds 5 to 10 kt, becoming e in the afternoon. waves
1 ft or less. showers likely, mainly in the morning.
.thu night...se winds around 5 kt, becoming e after midnight.
waves 1 ft or less.
.fri...ne winds 5 to 10 kt, becoming e 10 to 15 kt in the
afternoon. waves 1 ft or less.
.fri night...e winds 5 to 10 kt. waves 1 ft or less. chance of
showers after midnight.
.sat...e winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. waves 1 ft or less. showers.
.sat night...e winds 15 to 20 kt with gusts up to 25 kt. waves
around 2 ft. showers.
.sun...e winds 15 to 20 kt with gusts up to 25 kt. waves 1 to
2 ft. showers likely.
.sun night...ne winds 5 to 10 kt. waves 1 ft or less. chance of
showers.
.mon...w winds around 5 kt. waves 1 ft or less. chance of
showers.
.mon night...w winds around 5 kt. waves 1 ft or less. chance of
showers.
winds and waves may be higher in and near tstms.
$$
(16/18)
Latest Coastal Waters Forecast by KOKX
Issued 5/20/2026 2:42 PM America/New_York.
Valid through 5/21/2026 3:15 AM America/New_York.
fzus51 kokx 201842
cwfokx
expires:202605210715;;360136
coastal waters forecast
national weather service new york ny
242 pm edt wed may 20 2026
montauk point ny to sandy hook nj out 60 nm offshore, including
long island sound, the long island bays, and new york harbor
anz340-210715-
peconic and gardiners bays-
242 pm edt wed may 20 2026
...severe thunderstorm watch 235 in effect until 9 pm edt this
evening...
.rest of today...sw winds around 10 kt. waves 1 ft or less.
chance of showers and slight chance of tstms.
.tonight...w winds 5 to 10 kt, becoming nw after midnight. waves
1 ft or less. showers and chance of tstms in the evening, then
chance of showers after midnight.
.thu...ne winds 5 to 10 kt, becoming e in the afternoon. waves
1 ft or less. showers likely, mainly in the morning.
.thu night...s winds around 5 kt, becoming ne after midnight.
waves 1 ft or less.
.fri...ne winds 5 to 10 kt, becoming se in the afternoon. waves
1 ft or less.
.fri night...e winds around 5 kt. waves 1 ft or less.
.sat...e winds 10 to 15 kt with gusts up to 20 kt. waves 1 ft or
less. chance of showers in the morning, then showers likely in
the afternoon.
.sat night...e winds 15 to 20 kt with gusts up to 25 kt. waves
around 2 ft. showers.
.sun...e winds 15 to 20 kt with gusts up to 25 kt. waves 2 to
3 ft. showers likely.
.sun night...e winds 5 to 10 kt. waves 1 to 2 ft. showers likely.
.mon...n winds around 5 kt. waves 1 to 2 ft. chance of showers.
.mon night...w winds around 5 kt. waves 1 ft or less.
winds and waves may be higher in and near tstms.
$$
(17/18)
Latest Coastal Waters Forecast by KOKX
Issued 5/20/2026 2:42 PM America/New_York.
Valid through 5/21/2026 3:15 AM America/New_York.
fzus51 kokx 201842
cwfokx
expires:202605210715;;360135
coastal waters forecast
national weather service new york ny
242 pm edt wed may 20 2026
montauk point ny to sandy hook nj out 60 nm offshore, including
long island sound, the long island bays, and new york harbor
anz338-210715-
new york harbor-
242 pm edt wed may 20 2026
...severe thunderstorm watch 235 in effect until 9 pm edt this
evening...
.rest of today...w winds around 10 kt. waves around 2 ft. chance
of showers and tstms.
.tonight...nw winds 5 to 10 kt. waves 1 to 2 ft. showers likely
with chance of tstms in the evening, then chance of showers after
midnight.
.thu...ne winds 10 to 15 kt, becoming e 5 to 10 kt in the
afternoon. waves around 2 ft. wave detail: ne 1 ft at 2 seconds.
showers likely, mainly in the morning.
.thu night...se winds around 5 kt, becoming ne after midnight.
waves 1 ft or less.
.fri...e winds 10 to 15 kt. waves 1 to 2 ft. wave detail: e 1 ft
at 2 seconds.
.fri night...e winds 10 to 15 kt. waves around 2 ft. chance of
showers after midnight.
.sat...e winds 15 to 20 kt with gusts up to 25 kt. waves 2 to
3 ft. showers.
.sat night...e winds 20 to 25 kt. waves 2 to 4 ft, occasionally
to 5 ft. showers.
.sun...e winds 15 to 20 kt with gusts up to 25 kt. waves 2 to
4 ft, occasionally to 5 ft. showers likely.
.sun night...ne winds around 5 kt. waves around 2 ft. chance of
showers.
.mon...nw winds around 5 kt. waves around 2 ft. chance of
showers.
.mon night...w winds around 5 kt. waves around 2 ft. chance of
showers.
winds and waves may be higher in and near tstms.
$$
(18/18)
Latest Coastal Waters Forecast by KOKX
Issued 5/20/2026 2:42 PM America/New_York.
Valid through 5/21/2026 3:15 AM America/New_York.
fzus51 kokx 201842
cwfokx
expires:202605210715;;360134
coastal waters forecast
national weather service new york ny
242 pm edt wed may 20 2026
montauk point ny to sandy hook nj out 60 nm offshore, including
long island sound, the long island bays, and new york harbor
anz335-210715-
long island sound west of new haven ct/port jefferson ny-
242 pm edt wed may 20 2026
...severe thunderstorm watch 235 in effect until 9 pm edt this
evening...
.rest of today...w winds around 10 kt. seas 1 ft or less. wave
detail: w 1 ft at 2 seconds. chance of tstms. showers.
.tonight...n winds 5 to 10 kt. seas 1 ft or less. wave detail: nw
1 ft at 2 seconds. showers and chance of tstms in the evening,
then chance of showers after midnight.
.thu...ne winds around 10 kt, becoming e in the afternoon. seas
1 ft or less. wave detail: ne 1 ft at 2 seconds. chance of
showers.
.thu night...se winds around 5 kt, becoming ne after midnight.
seas 1 ft or less.
.fri...e winds 10 to 15 kt. seas 1 ft or less. wave detail: ne
1 ft at 3 seconds.
.fri night...e winds 5 to 10 kt. seas 1 ft or less. wave detail:
e 1 ft at 3 seconds. chance of showers after midnight.
.sat...e winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. seas 1 to 2 ft, building to 2 to 3 ft in the
afternoon. showers.
.sat night...e winds 20 to 25 kt with gusts up to 30 kt. seas
2 to 4 ft, occasionally to 5 ft. showers.
.sun...e winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft, occasionally to 6 ft. showers likely.
.sun night...ne winds 5 to 10 kt. seas 2 to 3 ft. chance of
showers.
.mon...n winds around 5 kt. seas 1 ft or less. chance of showers.
.mon night...w winds around 5 kt. seas 1 ft or less. chance of
showers.
winds and seas may be higher in and near tstms.
$$
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