fzus51 klwx 211904
cwflwx
expires:202604220800;;759994

coastal waters forecast
national weather service baltimore md/washington dc
304 pm edt tue apr 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-
304 pm edt tue apr 21 2026

...small craft advisory in effect through wednesday morning...

.rest of this afternoon...s winds 10 kt. waves 1 ft. 
.tonight...s winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.wed...sw winds 5 to 10 kt with gusts to 20 kt... becoming ne late.
waves 1 ft. scattered showers. 
.wed night...n winds around 5 kt. waves flat. 
.thu...nw winds around 5 kt. waves flat. 
.thu night...n winds around 5 kt. waves flat. 
.fri...e winds 5 to 10 kt. waves 1 ft or less. a chance of showers. 
.sat...e winds 5 to 10 kt. waves 1 ft. showers likely.  

$$

fzus51 klwx 211904
cwflwx
expires:202604220800;;759995

coastal waters forecast
national weather service baltimore md/washington dc
304 pm edt tue apr 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-
304 pm edt tue apr 21 2026

...small craft advisory in effect through wednesday morning...

.rest of this afternoon...s winds 10 kt. waves 1 ft. 
.tonight...s winds 15 to 20 kt. gusts up to 25 kt... increasing to
30 kt late. waves 2 ft. 
.wed...s winds 10 to 15 kt with gusts to 20 kt... becoming ne 5 kt
late. waves 1 to 2 ft. scattered showers.
.wed night...n winds around 5 kt. waves 1 ft or less. scattered
showers. 
.thu...nw winds 5 kt. waves flat. 
.thu night...nw winds around 5 kt. waves flat. 
.fri...e winds 5 to 10 kt. waves 1 ft or less. a chance of showers. 
.sat...e winds 10 to 15 kt. waves 1 to 2 ft. showers likely.  

$$

fzus51 klwx 211904
cwflwx
expires:202604220800;;759998

coastal waters forecast
national weather service baltimore md/washington dc
304 pm edt tue apr 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-
304 pm edt tue apr 21 2026

...small craft advisory in effect through wednesday morning...

.rest of this afternoon...se winds 15 kt. waves 2 ft. 
.tonight...s winds 15 to 20 kt. gusts up to 25 kt... increasing to
30 kt late. waves 2 to 3 ft. 
.wed...sw winds 10 to 15 kt with gusts to 25 kt... diminishing to
5 kt late. waves 3 ft...subsiding to 1 ft in the afternoon.
scattered showers. 
.wed night...nw winds 5 kt. waves less than 1 ft. scattered showers.
.thu...nw winds 5 kt. waves flat. 
.thu night...w winds 5 kt. waves flat. 
.fri...e winds 5 to 10 kt. waves 1 ft or less. a chance of showers. 
.sat...e winds 15 to 20 kt. waves 1 to 2 ft. a chance of showers in
the morning, then showers.  

$$

fzus51 klwx 211904
cwflwx
expires:202604220800;;760000

coastal waters forecast
national weather service baltimore md/washington dc
304 pm edt tue apr 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-
304 pm edt tue apr 21 2026

...small craft advisory in effect through wednesday morning...

.rest of this afternoon...se winds 15 kt. waves 1 ft. 
.tonight...s winds 15 to 20 kt. gusts up to 25 kt... increasing to
30 kt late. waves 2 to 3 ft. 
.wed...sw winds 15 to 20 kt with gusts to 25 kt... becoming w 5 to
10 kt in the afternoon. waves 3 ft...subsiding to 1 ft in the
afternoon. scattered showers. 
.wed night...nw winds around 5 kt. waves 1 ft or less. 
.thu...nw winds 5 kt. waves less than 1 ft. 
.thu night...w winds around 5 kt. waves flat. 
.fri...e winds 5 to 10 kt. waves 1 ft or less. a chance of showers. 
.sat...e winds 15 to 20 kt. waves 1 to 2 ft. a chance of showers in
the morning, then showers.  

$$