fzus51 klwx 210857
cwflwx
expires:202605212300;;392389

coastal waters forecast
national weather service baltimore md/washington dc
457 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.


anz531-212300-
chesapeake bay from pooles island to sandy point-
457 am edt thu may 21 2026

...small craft advisory in effect through this afternoon...

.rest of the overnight...n winds 15 kt with gusts to 20 kt. waves
1 ft. a chance of showers. 
.today...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers likely. 
.tonight...ne winds 10 kt with gusts to 20 kt. waves 1 to 2 ft.
showers likely. 
.fri...e winds 10 to 15 kt with gusts to 25 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 15 kt with gusts to 25 kt. waves 2 ft. showers.
.sat night...ne 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. 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.  

$$

fzus51 klwx 210857
cwflwx
expires:202605212300;;392392

coastal waters forecast
national weather service baltimore md/washington dc
457 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.


anz532-212300-
chesapeake bay from sandy point to north beach-
457 am edt thu may 21 2026

...small craft advisory in effect through this afternoon...

.rest of the overnight...n winds 10 kt. waves 1 ft. 
.today...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of 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 10 to 15 kt with gusts to 25 kt. waves 2 ft.
showers.
.sat...e winds 15 kt with gusts to 20 kt. waves 2 ft. showers.
.sat night...ne 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 kt. waves less than 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.

$$