(1/4)
Latest Coastal Waters Forecast by KLWX
Issued 5/21/2026 10:58 PM America/New_York.
Valid through 5/22/2026 4:00 AM America/New_York.
fzus51 klwx 220258
cwflwx
expires:202605220800;;431810
coastal waters forecast
national weather service baltimore md/washington dc
1058 pm edt thu may 21 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.
anz530-220800-
chesapeake bay north of pooles island-
1058 pm edt thu may 21 2026
...small craft advisory in effect from 6 am edt friday through late
friday night...
.rest of tonight...ne winds 10 to 15 kt with gusts to 20 kt. waves
1 ft. scattered showers.
.fri...e winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. a
chance of showers.
.fri night...e winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft. showers likely.
.sat...e winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
showers.
.sat night...e winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft. showers.
.sun...ne winds 5 to 10 kt. waves 1 ft. a chance of showers.
.sun night...ne winds around 5 kt. waves 1 ft. a chance of showers.
.mon...sw winds around 5 kt. waves 1 ft or less. a chance of
showers.
.tue...s winds around 5 kt. waves flat. a chance of showers.
$$
(2/4)
Latest Coastal Waters Forecast by KLWX
Issued 5/21/2026 10:58 PM America/New_York.
Valid through 5/22/2026 4:00 AM America/New_York.
fzus51 klwx 220258
cwflwx
expires:202605220800;;431811
coastal waters forecast
national weather service baltimore md/washington dc
1058 pm edt thu may 21 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz531-220800-
chesapeake bay from pooles island to sandy point-
1058 pm edt thu may 21 2026
...small craft advisory in effect through late friday night...
.rest of tonight...ne winds 15 kt with gusts to 20 kt. waves 2 ft.
numerous showers.
.fri...e winds 15 kt with gusts to 25 kt. waves 2 ft. showers
likely.
.fri night...e winds 15 kt with gusts to 25 kt. waves 2 ft. showers.
.sat...e winds 15 to 20 kt. waves 2 ft. showers.
.sat night...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers.
.sun...ne winds 5 to 10 kt. waves 1 ft or less. a chance of showers.
.sun night...ne winds 5 kt. waves flat. a chance of showers.
.mon...s winds around 5 kt. waves flat. a chance of showers.
.tue...s winds around 5 kt. waves flat. a chance of showers.
$$
(3/4)
Latest Coastal Waters Forecast by KLWX
Issued 5/21/2026 10:58 PM America/New_York.
Valid through 5/22/2026 4:00 AM America/New_York.
fzus51 klwx 220258
cwflwx
expires:202605220800;;431814
coastal waters forecast
national weather service baltimore md/washington dc
1058 pm edt thu may 21 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.
anz532-220800-
chesapeake bay from sandy point to north beach-
1058 pm edt thu may 21 2026
...small craft advisory in effect through late friday night...
.rest of tonight...ne winds 15 kt with gusts to 20 kt. waves 2 ft.
showers.
.fri...ne winds 15 to 20 kt with gusts to 25 kt. waves 2 to 3 ft.
showers.
.fri night...e winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft. showers.
.sat...e winds 15 to 20 kt. waves 2 ft. showers.
.sat night...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers.
.sun...ne winds 5 kt. waves less than 1 ft. a chance of showers.
.sun night...ne winds 5 kt. waves less than 1 ft. a chance of
showers.
.mon...se winds around 5 kt. waves flat. a chance of showers in the
morning. showers likely.
.tue...se winds around 5 kt. waves flat. a chance of showers.
$$
(4/4)
Latest Coastal Waters Forecast by KLWX
Issued 5/21/2026 10:58 PM America/New_York.
Valid through 5/22/2026 4:00 AM America/New_York.
fzus51 klwx 220258
cwflwx
expires:202605220800;;431816
coastal waters forecast
national weather service baltimore md/washington dc
1058 pm edt thu may 21 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz533-220800-
chesapeake bay from north beach to drum point-
1058 pm edt thu may 21 2026
...small craft advisory in effect through late friday night...
.rest of tonight...ne winds 15 kt with gusts to 20 kt. waves 2 to
3 ft. showers.
.fri...ne winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
showers.
.fri night...e winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
showers.
.sat...e winds 15 kt with gusts to 20 kt. waves 3 ft. showers.
.sat night...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers.
.sun...ne winds 5 kt. waves less than 1 ft. showers likely.
.sun night...e winds 5 kt. waves less than 1 ft. a chance of showers
and tstms.
.mon...se winds around 5 kt. waves 1 ft or less. a chance of showers
and tstms in the morning, then showers likely.
.tue...se winds around 5 kt. waves flat. showers likely through the
day. a chance of showers through the night.
winds and waves higher and visibilities lower in and near tstms.
$$
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