(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/22/2026 10:59 PM America/New_York.
Valid through 4/23/2026 4:00 AM America/New_York.
fzus51 klwx 230259
cwflwx
expires:202604230800;;829659
coastal waters forecast
national weather service baltimore md/washington dc
1059 pm edt wed apr 22 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz531-230800-
chesapeake bay from pooles island to sandy point-
1059 pm edt wed apr 22 2026
.rest of tonight...nw winds 5 kt. waves less than 1 ft. patchy fog
with vsby 1 to 3 nm.
.thu...w winds 5 kt. waves less than 1 ft. patchy fog. vsby 1 to
3 nm.
.thu night...se winds around 5 kt. waves flat.
.fri...e winds 5 kt. waves flat.
.fri night...se winds 5 to 10 kt. waves 1 ft. a chance of showers.
.sat...e winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
showers likely.
.sat night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers.
.sun...ne winds 10 to 15 kt...diminishing to 5 kt after midnight.
waves 1 to 2 ft. showers likely, mainly in the morning.
.mon...e winds 5 to 10 kt. waves 1 ft. a chance of showers after
midnight.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/22/2026 10:59 PM America/New_York.
Valid through 4/23/2026 4:00 AM America/New_York.
fzus51 klwx 230259
cwflwx
expires:202604230800;;829662
coastal waters forecast
national weather service baltimore md/washington dc
1059 pm edt wed apr 22 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-230800-
chesapeake bay from sandy point to north beach-
1059 pm edt wed apr 22 2026
.rest of tonight...w winds 5 kt. waves less than 1 ft.
.thu...ne winds 5 kt. waves less than 1 ft.
.thu night...se winds around 5 kt. waves flat.
.fri...ne winds 5 kt. waves less than 1 ft. a chance of showers.
.fri night...se winds 5 to 10 kt. waves 1 ft. a chance of showers.
.sat...e winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
showers likely.
.sat night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers.
.sun...ne winds 15 to 20 kt...diminishing to 5 to 10 kt after
midnight. waves 1 to 2 ft. showers likely, mainly in the morning.
.mon...ne winds 5 to 10 kt...becoming se. waves 1 to 2 ft. a chance
of showers after midnight.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/22/2026 10:59 PM America/New_York.
Valid through 4/23/2026 4:00 AM America/New_York.
fzus51 klwx 230259
cwflwx
expires:202604230800;;829664
coastal waters forecast
national weather service baltimore md/washington dc
1059 pm edt wed apr 22 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz533-230800-
chesapeake bay from north beach to drum point-
1059 pm edt wed apr 22 2026
.rest of tonight...sw winds 5 to 10 kt...becoming nw late. waves
1 ft.
.thu...n winds 5 kt. waves less than 1 ft.
.thu night...s winds around 5 kt. waves flat.
.fri...ne winds 5 kt. waves less than 1 ft. a chance of showers.
.fri night...se winds 5 to 10 kt. waves 1 ft. a chance of showers.
.sat...e winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
showers likely.
.sat night...ne winds 15 to 20 kt. waves 2 to 3 ft. showers.
.sun...ne winds 15 to 20 kt...diminishing to 5 to 10 kt after
midnight. waves 2 to 3 ft...subsiding to 1 ft after midnight.
showers likely, mainly in the morning.
.mon...e winds 10 to 15 kt...becoming se after midnight. waves 1 to
2 ft. a chance of showers after midnight.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/22/2026 10:59 PM America/New_York.
Valid through 4/23/2026 4:00 AM America/New_York.
fzus51 klwx 230259
cwflwx
expires:202604230800;;829667
coastal waters forecast
national weather service baltimore md/washington dc
1059 pm edt wed apr 22 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-230800-
chesapeake bay from drum point to smith point-
1059 pm edt wed apr 22 2026
.rest of tonight...sw winds 5 to 10 kt...becoming w late. waves
1 ft.
.thu...nw winds 5 to 10 kt...becoming se late. waves 1 ft.
.thu night...sw winds around 5 kt. waves flat.
.fri...ne winds 5 to 10 kt. waves 1 ft. a chance of showers.
.fri night...se winds 10 kt. waves 2 ft. a chance of showers.
.sat...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a chance
of showers.
.sat night...ne winds 15 to 20 kt. waves 2 to 3 ft. showers.
.sun...ne winds 15 to 20 kt. waves 2 to 3 ft. showers likely in the
morning, then a chance of showers through the night.
.mon...e winds 10 to 15 kt...becoming se after midnight. waves 1 to
2 ft. a chance of showers through the night.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/22/2026 10:59 PM America/New_York.
Valid through 4/23/2026 4:00 AM America/New_York.
fzus51 klwx 230259
cwflwx
expires:202604230800;;829655
coastal waters forecast
national weather service baltimore md/washington dc
1059 pm edt wed apr 22 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz535-230800-
tidal potomac from key bridge to indian head-
1059 pm edt wed apr 22 2026
.rest of tonight...w winds 5 kt. waves less than 1 ft.
.thu...nw winds around 5 kt. waves 1 ft.
.thu night...w winds around 5 kt. waves 1 ft or less.
.fri...ne winds around 5 kt. waves 1 ft. a chance of showers.
.fri night...se winds 5 kt. waves less than 1 ft. a chance of
showers.
.sat...e winds 5 to 10 kt. waves 1 ft. showers likely.
.sat night...ne winds 5 to 10 kt. waves 1 ft. showers.
.sun...ne winds 5 to 10 kt. waves 1 ft. showers likely, mainly in
the morning.
.mon...e winds 5 to 10 kt. waves 1 ft. a chance of showers through
the night.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/22/2026 10:59 PM America/New_York.
Valid through 4/23/2026 4:00 AM America/New_York.
fzus51 klwx 230259
cwflwx
expires:202604230800;;829656
coastal waters forecast
national weather service baltimore md/washington dc
1059 pm edt wed apr 22 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-230800-
tidal potomac from indian head to cobb island-
1059 pm edt wed apr 22 2026
.rest of tonight...w winds 5 kt. waves less than 1 ft.
.thu...nw winds around 5 kt. waves 1 ft.
.thu night...sw winds around 5 kt. waves 1 ft or less.
.fri...n winds around 5 kt. waves 1 ft. a chance of showers.
.fri night...se winds 5 to 10 kt. waves 1 ft. a chance of showers.
.sat...e winds 5 to 10 kt. waves 1 ft. showers likely.
.sat night...ne winds 5 to 10 kt. waves 1 ft. showers.
.sun...ne winds 5 to 10 kt. waves 1 ft. showers likely, mainly in
the morning.
.mon...e winds 5 to 10 kt...becoming se after midnight. waves 1 ft.
a chance of showers through the night.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/22/2026 10:59 PM America/New_York.
Valid through 4/23/2026 4:00 AM America/New_York.
fzus51 klwx 230259
cwflwx
expires:202604230800;;829657
coastal waters forecast
national weather service baltimore md/washington dc
1059 pm edt wed apr 22 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz537-230800-
tidal potomac from cobb island to smith point-
1059 pm edt wed apr 22 2026
.rest of tonight...w winds 5 kt. waves less than 1 ft.
.thu...w winds 5 kt. waves less than 1 ft.
.thu night...s winds around 5 kt. waves flat.
.fri...ne winds 5 to 10 kt. waves 1 ft or less. a chance of showers.
.fri night...se winds 5 to 10 kt. waves 1 ft. a chance of showers.
.sat...e winds 10 to 15 kt. waves 2 ft. a chance of showers.
.sat night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers.
.sun...ne winds 10 to 15 kt. waves 2 ft. showers likely in the
morning, then a chance of showers through the night.
.mon...e winds 5 to 10 kt...becoming se after midnight. waves 1 to
2 ft. a chance of showers through the night.
$$
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