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(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/27/2026 3:03 PM America/New_York.
Valid through 4/28/2026 4:00 AM America/New_York.
fzus51 klwx 271903
cwflwx
expires:202604280800;;627090
coastal waters forecast
national weather service baltimore md/washington dc
303 pm edt mon apr 27 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.
anz531-280800-
chesapeake bay from pooles island to sandy point-
303 pm edt mon apr 27 2026
.rest of this afternoon...s winds 5 kt. waves flat.
.tonight...se winds 5 to 10 kt. waves 1 ft.
.tue...s winds 5 to 10 kt. waves 1 ft or less.
.tue night...se winds 5 to 10 kt. waves 1 ft.
.wed...se winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
showers.
.wed night...se winds 10 to 15 kt...becoming w after midnight. gusts
up to 20 kt. waves 2 ft. showers.
.thu...nw winds 15 to 20 kt. waves 2 to 3 ft. a chance of showers in
the morning.
.fri...nw winds 10 to 15 kt. waves 1 to 2 ft. a chance of showers
through the night.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/27/2026 3:03 PM America/New_York.
Valid through 4/28/2026 4:00 AM America/New_York.
fzus51 klwx 271903
cwflwx
expires:202604280800;;627093
coastal waters forecast
national weather service baltimore md/washington dc
303 pm edt mon apr 27 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-280800-
chesapeake bay from sandy point to north beach-
303 pm edt mon apr 27 2026
.rest of this afternoon...s winds 5 kt. waves flat.
.tonight...se winds 5 to 10 kt. waves 1 ft.
.tue...s winds 5 to 10 kt. waves 1 ft or less.
.tue night...se winds 5 to 10 kt. waves 1 ft.
.wed...se winds 10 to 15 kt with gusts to 20 kt. waves 1 ft...
building to 3 ft in the afternoon. showers.
.wed night...s winds 15 to 20 kt...becoming w 10 to 15 kt after
midnight. waves 2 to 3 ft. showers.
.thu...nw winds 15 to 20 kt. waves 2 to 3 ft. a chance of showers in
the morning.
.fri...nw winds 10 to 15 kt...becoming n 5 to 10 kt after midnight.
waves 1 ft. a chance of showers through the night.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/27/2026 3:03 PM America/New_York.
Valid through 4/28/2026 4:00 AM America/New_York.
fzus51 klwx 271903
cwflwx
expires:202604280800;;627095
coastal waters forecast
national weather service baltimore md/washington dc
303 pm edt mon apr 27 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.
anz533-280800-
chesapeake bay from north beach to drum point-
303 pm edt mon apr 27 2026
.rest of this afternoon...n winds 5 kt. waves less than 1 ft.
.tonight...se winds 5 to 10 kt. waves 1 ft.
.tue...s winds 5 to 10 kt. waves 1 ft or less.
.tue night...se winds 5 to 10 kt. waves 1 ft.
.wed...se winds 5 to 10 kt...increasing to 15 to 20 kt in the
afternoon. waves 1 ft...building to 3 ft in the afternoon. showers.
.wed night...s winds 15 to 20 kt...becoming w after midnight. waves
2 to 3 ft. showers.
.thu...nw winds 20 to 25 kt...diminishing to 10 to 15 kt after
midnight. waves 2 to 3 ft. a chance of showers in the morning.
.fri...nw winds 5 to 10 kt. waves 1 ft. a chance of showers through
the night.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/27/2026 3:03 PM America/New_York.
Valid through 4/28/2026 4:00 AM America/New_York.
fzus51 klwx 271903
cwflwx
expires:202604280800;;627098
coastal waters forecast
national weather service baltimore md/washington dc
303 pm edt mon apr 27 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-280800-
chesapeake bay from drum point to smith point-
303 pm edt mon apr 27 2026
.rest of this afternoon...se winds 10 kt. waves 1 ft.
.tonight...se winds 5 to 10 kt. waves 1 ft.
.tue...se winds 5 to 10 kt. waves 1 ft or less.
.tue night...se winds 10 kt. waves 1 ft.
.wed...se winds 10 to 15 kt with gusts to 20 kt. waves 1 ft...
building to 3 ft in the afternoon. showers.
.wed night...s winds 15 to 20 kt...becoming w after midnight. gusts
up to 25 kt. waves 3 ft. showers.
.thu...nw winds 20 to 25 kt. waves 3 ft. a chance of showers in the
morning.
.fri...w winds 10 to 15 kt...becoming s 5 to 10 kt in the evening,
then becoming nw after midnight. waves 1 to 2 ft. a chance of
showers through the night.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/27/2026 3:03 PM America/New_York.
Valid through 4/28/2026 4:00 AM America/New_York.
fzus51 klwx 271903
cwflwx
expires:202604280800;;627086
coastal waters forecast
national weather service baltimore md/washington dc
303 pm edt mon apr 27 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.
anz535-280800-
tidal potomac from key bridge to indian head-
303 pm edt mon apr 27 2026
.rest of this afternoon...se winds 5 kt. waves less than 1 ft.
.tonight...se winds 5 kt. waves less than 1 ft.
.tue...s winds 5 to 10 kt. waves 1 ft. a chance of showers.
.tue night...se winds 5 kt. waves less than 1 ft.
.wed...se winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
waves 1 ft. showers.
.wed night...s winds 5 to 10 kt...becoming nw 10 to 15 kt with gusts
to 25 kt after midnight. waves 1 ft. showers.
.thu...nw winds 15 to 20 kt...diminishing to 5 to 10 kt after
midnight. waves 1 ft.
.fri...nw winds 5 to 10 kt. waves 1 ft. a chance of showers through
the night.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/27/2026 3:03 PM America/New_York.
Valid through 4/28/2026 4:00 AM America/New_York.
fzus51 klwx 271903
cwflwx
expires:202604280800;;627087
coastal waters forecast
national weather service baltimore md/washington dc
303 pm edt mon apr 27 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-280800-
tidal potomac from indian head to cobb island-
303 pm edt mon apr 27 2026
.rest of this afternoon...se winds 5 kt. waves less than 1 ft.
.tonight...se winds 5 to 10 kt. waves 1 ft.
.tue...s winds 5 to 10 kt. waves 1 ft. a chance of showers.
.tue night...se winds 5 to 10 kt. waves 1 ft.
.wed...se winds 5 to 10 kt. waves 1 ft. showers.
.wed night...s winds 10 kt...becoming nw after midnight. gusts up to
20 kt. waves 1 to 2 ft. showers.
.thu...nw winds 15 to 20 kt...diminishing to 5 kt after midnight.
waves 1 to 2 ft.
.fri...nw winds 5 to 10 kt. waves 1 ft. a chance of showers through
the night.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/27/2026 3:03 PM America/New_York.
Valid through 4/28/2026 4:00 AM America/New_York.
fzus51 klwx 271903
cwflwx
expires:202604280800;;627088
coastal waters forecast
national weather service baltimore md/washington dc
303 pm edt mon apr 27 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.
anz537-280800-
tidal potomac from cobb island to smith point-
303 pm edt mon apr 27 2026
.rest of this afternoon...se winds 5 kt. waves less than 1 ft.
.tonight...se winds 5 to 10 kt. waves 1 ft.
.tue...se winds 5 to 10 kt. waves 1 ft or less.
.tue night...se winds 5 to 10 kt. waves 1 ft.
.wed...se winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
showers.
.wed night...s winds 10 to 15 kt...becoming w 15 to 20 kt after
midnight. waves 2 ft. showers.
.thu...nw winds 15 to 20 kt...diminishing to 5 to 10 kt after
midnight. waves 2 to 3 ft. a chance of showers in the morning.
.fri...w winds 5 to 10 kt...becoming s in the evening, then becoming
nw after midnight. waves 1 ft. a chance of showers through the
night.
$$
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