(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/29/2026 4:59 PM America/New_York.
Valid through 4/30/2026 4:00 AM America/New_York.
fzus51 klwx 292059
cwflwx
expires:202604300800;;747017
coastal waters forecast
national weather service baltimore md/washington dc
459 pm edt wed apr 29 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.
anz531-300800-
chesapeake bay from pooles island to sandy point-
459 pm edt wed apr 29 2026
...small craft advisory in effect through thursday evening...
.rest of this afternoon...se winds 15 kt with gusts to 20 kt. waves
2 ft. a chance of showers.
.tonight...se winds 10 to 15 kt...becoming w after midnight, then
becoming nw late. gusts up to 20 kt. waves 2 ft. showers.
.thu...nw winds 15 kt with gusts to 25 kt. waves 2 ft.
.thu night...nw winds 10 to 15 kt. gusts up to 25 kt in the evening.
waves 2 ft.
.fri...w winds 5 to 10 kt. waves 1 ft.
.fri night...nw winds 5 to 10 kt. waves 1 ft or less. a chance of
showers.
.sat...nw winds 10 to 15 kt. waves 1 to 2 ft. a chance of showers.
.sun...nw winds 10 to 15 kt...becoming w 5 to 10 kt. waves 1 to
2 ft.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/29/2026 4:59 PM America/New_York.
Valid through 4/30/2026 4:00 AM America/New_York.
fzus51 klwx 292059
cwflwx
expires:202604300800;;747020
coastal waters forecast
national weather service baltimore md/washington dc
459 pm edt wed apr 29 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-300800-
chesapeake bay from sandy point to north beach-
459 pm edt wed apr 29 2026
...small craft advisory in effect through thursday evening...
.rest of this afternoon...se winds 15 kt with gusts to 20 kt. waves
3 ft. a chance of showers.
.tonight...s winds 15 to 20 kt...becoming w 10 to 15 kt after
midnight. gusts up to 25 kt. waves 2 to 3 ft. showers.
.thu...nw winds 15 kt with gusts to 25 kt. waves 2 ft.
.thu night...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.fri...w winds 5 to 10 kt. waves 1 ft.
.fri night...sw winds 5 to 10 kt...becoming nw after midnight. waves
1 ft. a chance of showers.
.sat...n winds 10 to 15 kt. waves 1 ft. a chance of showers.
.sun...nw winds 10 to 15 kt...becoming sw 5 to 10 kt. waves 1 to
2 ft.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/29/2026 4:59 PM America/New_York.
Valid through 4/30/2026 4:00 AM America/New_York.
fzus51 klwx 292059
cwflwx
expires:202604300800;;747022
coastal waters forecast
national weather service baltimore md/washington dc
459 pm edt wed apr 29 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.
anz533-300800-
chesapeake bay from north beach to drum point-
459 pm edt wed apr 29 2026
...small craft advisory in effect through thursday evening...
.rest of this afternoon...se winds 20 kt with gusts to 25 kt. waves
3 ft. a chance of showers.
.tonight...s winds 15 to 20 kt...becoming w after midnight. gusts up
to 25 kt. waves 2 to 3 ft. showers.
.thu...nw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
.thu night...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.fri...w winds 5 to 10 kt. waves 1 to 2 ft.
.fri night...s winds 5 to 10 kt...becoming nw after midnight. waves
1 ft. a chance of showers.
.sat...n winds 10 to 15 kt. waves 1 to 2 ft. a chance of showers.
.sun...nw winds 10 to 15 kt...becoming sw 5 to 10 kt. waves 1 to
2 ft.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/29/2026 4:59 PM America/New_York.
Valid through 4/30/2026 4:00 AM America/New_York.
fzus51 klwx 292059
cwflwx
expires:202604300800;;747025
coastal waters forecast
national weather service baltimore md/washington dc
459 pm edt wed apr 29 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-300800-
chesapeake bay from drum point to smith point-
459 pm edt wed apr 29 2026
...small craft advisory in effect through thursday evening...
.rest of this afternoon...se winds 20 kt with gusts to 25 kt. waves
3 ft. a slight chance of showers.
.tonight...s winds 15 to 20 kt...becoming w after midnight. gusts up
to 25 kt. waves 3 ft. showers.
.thu...nw winds 20 to 25 kt with gusts to 30 kt... diminishing to
15 kt with gusts to 20 kt late. waves 3 ft.
.thu night...nw winds 15 to 20 kt. waves 3 ft.
.fri...nw winds 10 to 15 kt with gusts to 20 kt... becoming sw 5 to
10 kt in the afternoon. waves 1 to 2 ft.
.fri night...se winds 5 to 10 kt. waves 1 ft. a chance of showers.
.sat...n winds 10 to 15 kt. waves 1 to 2 ft. a chance of showers in
the morning, then showers likely through the night. a chance of
showers after midnight.
.sun...nw winds 10 to 15 kt...becoming sw 5 to 10 kt. waves 1 to
2 ft.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/29/2026 4:59 PM America/New_York.
Valid through 4/30/2026 4:00 AM America/New_York.
fzus51 klwx 292059
cwflwx
expires:202604300800;;747013
coastal waters forecast
national weather service baltimore md/washington dc
459 pm edt wed apr 29 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.
anz535-300800-
tidal potomac from key bridge to indian head-
459 pm edt wed apr 29 2026
...small craft advisory in effect through thursday evening...
.rest of this afternoon...se winds 10 kt with gusts to 20 kt. waves
1 ft. showers likely with a slight chance of tstms.
.tonight...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 10 to 15 kt with gusts to 25 kt. waves 1 ft.
.thu night...nw winds 5 to 10 kt. gusts up to 25 kt in the evening.
waves 1 ft.
.fri...w winds 5 to 10 kt. waves 1 ft.
.fri night...nw winds around 5 kt. waves 1 ft. a chance of showers.
.sat...n winds 5 to 10 kt. waves 1 ft. a chance of showers.
.sun...nw winds 10 to 15 kt...becoming sw around 5 kt after
midnight. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/29/2026 4:59 PM America/New_York.
Valid through 4/30/2026 4:00 AM America/New_York.
fzus51 klwx 292059
cwflwx
expires:202604300800;;747014
coastal waters forecast
national weather service baltimore md/washington dc
459 pm edt wed apr 29 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-300800-
tidal potomac from indian head to cobb island-
459 pm edt wed apr 29 2026
...small craft advisory in effect through thursday evening...
.rest of this afternoon...se winds 10 kt with gusts to 20 kt. waves
1 ft. a chance of showers with a slight chance of tstms.
.tonight...se winds 10 to 15 kt...becoming w in the late evening and
early morning, then becoming nw late. gusts up to 20 kt. waves 1 to
2 ft. showers.
.thu...nw winds 10 to 15 kt with gusts to 25 kt. waves 2 ft.
.thu night...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft.
.fri...w winds 5 to 10 kt. waves 1 ft.
.fri night...ne winds around 5 kt. waves 1 ft. a chance of showers.
.sat...n winds 5 to 10 kt. waves 1 ft. a chance of showers.
.sun...nw winds 5 to 10 kt...becoming sw after midnight. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/29/2026 4:59 PM America/New_York.
Valid through 4/30/2026 4:00 AM America/New_York.
fzus51 klwx 292059
cwflwx
expires:202604300800;;747015
coastal waters forecast
national weather service baltimore md/washington dc
459 pm edt wed apr 29 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.
anz537-300800-
tidal potomac from cobb island to smith point-
459 pm edt wed apr 29 2026
...small craft advisory in effect through thursday evening...
.rest of this afternoon...se winds 15 kt with gusts to 25 kt. waves
3 ft. a chance of showers.
.tonight...s winds 15 to 20 kt...becoming w after midnight. gusts up
to 25 kt. waves 2 to 3 ft. a chance of showers.
.thu...nw winds 15 to 20 kt with gusts to 25 kt. waves 2 to 3 ft.
.thu night...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.fri...nw winds 5 to 10 kt. waves 1 ft.
.fri night...se winds 5 to 10 kt...becoming ne after midnight. waves
1 ft. a chance of showers.
.sat...n winds 5 to 10 kt. waves 1 ft. a chance of showers in the
morning, then showers likely through the night. a chance of showers
after midnight.
.sun...nw winds 10 to 15 kt...becoming sw 5 to 10 kt. waves 1 ft.
$$
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