(1/4)
Latest Coastal Waters Forecast by KLWX
Issued 5/21/2026 10:58 AM America/New_York.
Valid through 5/21/2026 4:00 PM America/New_York.
fzus51 klwx 211458
cwflwx
expires:202605212000;;404558
coastal waters forecast
national weather service baltimore md/washington dc
1058 am 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.
anz530-212000-
chesapeake bay north of pooles island-
1058 am edt thu may 21 2026
...small craft advisory in effect until 6 pm edt this evening...
...small craft advisory in effect from friday morning through late
friday night...
.rest of today...ne winds 10 to 15 kt with gusts to 20 kt. waves
1 ft. widespread showers.
.tonight...ne winds 10 to 15 kt with gusts to 20 kt. waves 1 ft.
.fri...e winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. showers
likely.
.fri night...e winds 10 to 15 kt with gusts to 20 kt. waves 1 ft.
showers.
.sat...e winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. showers.
.sat night...e winds 10 to 15 kt with gusts to 20 kt. waves 1 ft.
showers.
.sun...ne winds 5 to 10 kt. waves 1 ft or less. showers likely in
the morning, then a chance of showers in the afternoon. a chance of
showers after midnight.
.mon...s winds around 5 kt. waves flat. a chance of showers in the
morning, then showers likely through the night. a chance of showers
after midnight.
$$
(2/4)
Latest Coastal Waters Forecast by KLWX
Issued 5/21/2026 10:58 AM America/New_York.
Valid through 5/21/2026 4:00 PM America/New_York.
fzus51 klwx 211458
cwflwx
expires:202605212000;;404559
coastal waters forecast
national weather service baltimore md/washington dc
1058 am edt thu may 21 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz531-212000-
chesapeake bay from pooles island to sandy point-
1058 am edt thu may 21 2026
...small craft advisory in effect through late friday night...
.rest of today...ne winds 15 kt with gusts to 20 kt. waves 2 ft.
numerous showers.
.tonight...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of showers.
.fri...e winds 15 kt with gusts to 25 kt. waves 2 ft. showers.
.fri night...e winds 15 kt with gusts to 25 kt. waves 2 ft. showers.
.sat...e winds 15 to 20 kt. waves 2 ft. showers.
.sat night...e winds 15 to 20 kt. waves 2 ft. showers.
.sun...ne winds 5 to 10 kt. waves 1 ft or less. showers likely in
the morning, then a chance of showers in the afternoon. a chance of
showers after midnight.
.mon...se winds around 5 kt. waves 1 ft or less. a chance of
showers.
$$
(3/4)
Latest Coastal Waters Forecast by KLWX
Issued 5/21/2026 10:58 AM America/New_York.
Valid through 5/21/2026 4:00 PM America/New_York.
fzus51 klwx 211458
cwflwx
expires:202605212000;;404562
coastal waters forecast
national weather service baltimore md/washington dc
1058 am 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.
anz532-212000-
chesapeake bay from sandy point to north beach-
1058 am edt thu may 21 2026
...small craft advisory in effect through late friday night...
.rest of today...ne winds 15 kt with gusts to 25 kt. waves 2 ft.
scattered showers.
.tonight...ne winds 15 kt with gusts to 25 kt. waves 2 ft. a chance
of showers.
.fri...ne winds 15 to 20 kt with gusts to 25 kt. waves 2 ft.
showers.
.fri night...e winds 15 to 20 kt with gusts to 25 kt. waves 2 ft.
showers.
.sat...e winds 15 kt with gusts to 25 kt. waves 2 ft. showers.
.sat night...e winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft. showers with a chance of tstms.
.sun...ne winds 5 to 10 kt. waves 1 ft.
.mon...se winds around 5 kt. waves 1 ft or less. a chance of showers
in the morning, then showers likely through the night. a chance of
showers after midnight.
winds and waves higher and visibilities lower in and near tstms.
$$
(4/4)
Latest Coastal Waters Forecast by KLWX
Issued 5/21/2026 10:58 AM America/New_York.
Valid through 5/21/2026 4:00 PM America/New_York.
fzus51 klwx 211458
cwflwx
expires:202605212000;;404564
coastal waters forecast
national weather service baltimore md/washington dc
1058 am edt thu may 21 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz533-212000-
chesapeake bay from north beach to drum point-
1058 am edt thu may 21 2026
...small craft advisory in effect through late friday night...
.rest of today...ne winds 15 kt with gusts to 25 kt. waves 2 to
3 ft. scattered showers.
.tonight...ne winds 15 kt with gusts to 25 kt. waves 2 to 3 ft.
showers likely.
.fri...ne winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
showers.
.fri night...e winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft. showers.
.sat...e winds 15 kt with gusts to 20 kt. waves 3 ft. showers.
.sat night...e winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft. showers with a chance of tstms.
.sun...ne winds 5 to 10 kt. waves 1 ft. showers, mainly in the
morning.
.mon...s winds around 5 kt. waves 1 ft or less. a chance of showers
in the morning. showers likely.
winds and waves higher and visibilities lower in and near tstms.
$$
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