fzus51 klwx 211343
cwflwx
expires:202605212000;;402424

coastal waters forecast
national weather service baltimore md/washington dc
943 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-
943 am edt thu may 21 2026

...small craft advisory in effect until 6 pm edt this evening...

.rest of today...ne winds 15 kt with gusts to 20 kt. waves 2 ft.
numerous showers. 
.tonight...ne winds 10 kt with gusts to 20 kt. waves 2 ft. a chance
of showers. 
.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 211343
cwflwx
expires:202605212000;;402427

coastal waters forecast
national weather service baltimore md/washington dc
943 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-
943 am edt thu may 21 2026

...small craft advisory in effect until 6 pm edt this evening...

.rest of today...ne winds 15 kt with gusts to 20 kt. waves 2 ft.
scattered 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.

$$