(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 5/20/2026 2:27 AM America/New_York.
Valid through 5/20/2026 4:00 PM America/New_York.
fzus51 klwx 200627
cwflwx
expires:202605202000;;331524
coastal waters forecast
national weather service baltimore md/washington dc
226 am edt wed may 20 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.
anz531-202000-
chesapeake bay from pooles island to sandy point-
226 am edt wed may 20 2026
.overnight...sw winds 10 kt. waves 1 ft.
.wed...sw winds 5 to 10 kt. waves 1 ft. showers likely with a chance
of tstms.
.wed night...n winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms.
.thu...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers.
.thu night...ne winds 5 to 10 kt. waves 1 ft. a chance of showers.
.fri...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. showers.
.fri night...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers.
.sat...e winds 10 to 15 kt. waves 1 to 2 ft. showers.
.sun...ne winds 5 to 10 kt. waves 1 ft. a chance of showers.
winds and waves higher and visibilities lower in and near tstms.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 5/20/2026 2:27 AM America/New_York.
Valid through 5/20/2026 4:00 PM America/New_York.
fzus51 klwx 200627
cwflwx
expires:202605202000;;331527
coastal waters forecast
national weather service baltimore md/washington dc
226 am edt wed may 20 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-202000-
chesapeake bay from sandy point to north beach-
226 am edt wed may 20 2026
.overnight...sw winds 10 kt. waves 1 ft.
.wed...s winds 5 to 10 kt. waves 1 to 2 ft. a chance of showers and
tstms.
.wed night...n winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms.
.thu...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. showers
likely.
.thu night...ne winds 5 to 10 kt. waves 1 to 2 ft. showers likely.
.fri...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. showers.
.fri night...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers.
.sat...e winds 10 to 15 kt. waves 1 to 2 ft. showers.
.sun...ne winds 5 to 10 kt. waves 1 ft. a chance of showers.
winds and waves higher and visibilities lower in and near tstms.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 5/20/2026 2:27 AM America/New_York.
Valid through 5/20/2026 4:00 PM America/New_York.
fzus51 klwx 200627
cwflwx
expires:202605202000;;331529
coastal waters forecast
national weather service baltimore md/washington dc
226 am edt wed may 20 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.
anz533-202000-
chesapeake bay from north beach to drum point-
226 am edt wed may 20 2026
...small craft advisory in effect from this afternoon through this
evening...
.overnight...sw winds 10 kt. waves 1 ft.
.wed...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
.wed night...n winds 10 to 15 kt. waves 1 to 2 ft. a chance of
showers and tstms.
.thu...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 to 3 ft.
showers likely.
.thu night...ne winds 10 kt with gusts to 20 kt. waves 2 ft. showers
likely.
.fri...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. showers.
.fri night...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers.
.sat...e winds 5 to 10 kt. waves 1 to 2 ft. showers through the day,
then showers likely through the night.
.sun...e winds 5 kt. waves less than 1 ft. a chance of showers.
winds and waves higher and visibilities lower in and near tstms.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 5/20/2026 2:27 AM America/New_York.
Valid through 5/20/2026 4:00 PM America/New_York.
fzus51 klwx 200627
cwflwx
expires:202605202000;;331532
coastal waters forecast
national weather service baltimore md/washington dc
226 am edt wed may 20 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-202000-
chesapeake bay from drum point to smith point-
226 am edt wed may 20 2026
...small craft advisory in effect until 3 am edt early this
morning...
...small craft advisory in effect from this afternoon through this
evening...
.overnight...sw winds 15 kt with gusts to 20 kt. waves 2 ft.
.wed...sw winds 10 to 15 kt with gusts to 20 kt... becoming s with
gusts to 20 kt in the afternoon. waves 2 ft.
.wed night...se winds 10 to 15 kt with gusts to 20 kt...becoming ne
with gusts to 20 kt late in the evening, then becoming n 5 to 10 kt
after midnight. waves 3 ft...subsiding to 1 ft after midnight. a
chance of showers and tstms.
.thu...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of showers.
.thu night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of showers.
.fri...ne winds 15 kt with gusts to 20 kt. waves 3 ft. showers.
.fri night...e winds 10 to 15 kt with gusts to 20 kt. waves 2 to
3 ft. showers.
.sat...e winds 10 to 15 kt. waves 1 to 2 ft. showers through the
day, then showers likely with a chance of tstms through the night.
.sun...e winds 5 to 10 kt. waves 1 ft. a chance of showers.
winds and waves higher and visibilities lower in and near tstms.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 5/20/2026 2:27 AM America/New_York.
Valid through 5/20/2026 4:00 PM America/New_York.
fzus51 klwx 200627
cwflwx
expires:202605202000;;331520
coastal waters forecast
national weather service baltimore md/washington dc
226 am edt wed may 20 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.
anz535-202000-
tidal potomac from key bridge to indian head-
226 am edt wed may 20 2026
.overnight...sw winds 5 to 10 kt. waves 1 ft.
.wed...sw winds 5 to 10 kt. waves 1 ft. showers likely with a chance
of tstms.
.wed night...n winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms.
.thu...ne winds 5 to 10 kt. waves 1 ft. showers likely.
.thu night...ne winds 5 to 10 kt. waves 1 ft. showers likely.
.fri...ne winds 5 to 10 kt. waves 1 ft. showers.
.fri night...e winds 5 to 10 kt. waves 1 ft. showers.
.sat...e winds 5 to 10 kt. waves 1 ft. showers.
.sun...e winds around 5 kt. waves 1 ft. a chance of showers.
winds and waves higher and visibilities lower in and near tstms.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 5/20/2026 2:27 AM America/New_York.
Valid through 5/20/2026 4:00 PM America/New_York.
fzus51 klwx 200627
cwflwx
expires:202605202000;;331521
coastal waters forecast
national weather service baltimore md/washington dc
226 am edt wed may 20 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-202000-
tidal potomac from indian head to cobb island-
226 am edt wed may 20 2026
.overnight...sw winds 10 kt. waves 1 ft.
.wed...sw winds 5 to 10 kt. waves 1 ft. a chance of showers.
.wed night...n winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms.
.thu...ne winds 5 to 10 kt. waves 1 ft. showers likely.
.thu night...ne winds 5 to 10 kt. waves 1 ft. showers likely.
.fri...ne winds 5 to 10 kt. waves 1 ft. showers.
.fri night...ne winds 5 to 10 kt. waves 1 ft. showers likely.
.sat...ne winds around 5 kt. waves 1 ft. showers.
.sun...e winds around 5 kt. waves 1 ft. a chance of showers.
winds and waves higher and visibilities lower in and near tstms.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 5/20/2026 2:27 AM America/New_York.
Valid through 5/20/2026 4:00 PM America/New_York.
fzus51 klwx 200627
cwflwx
expires:202605202000;;331522
coastal waters forecast
national weather service baltimore md/washington dc
226 am edt wed may 20 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.
anz537-202000-
tidal potomac from cobb island to smith point-
226 am edt wed may 20 2026
...small craft advisory in effect from this afternoon through this
evening...
.overnight...sw winds 10 kt. waves 1 ft.
.wed...s winds 5 to 10 kt. waves 1 ft.
.wed night...n winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms.
.thu...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of showers.
.thu night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers.
.fri...e winds 10 to 15 kt with gusts to 20 kt. waves 2 to 3 ft.
showers.
.fri night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 to
3 ft. showers likely.
.sat...e winds 5 to 10 kt. waves 1 to 2 ft. showers likely. a chance
of tstms through the night.
.sun...e winds 5 kt. waves less than 1 ft. a chance of showers.
winds and waves higher and visibilities lower in and near tstms.
$$
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