fzus51 klwx 210258
cwflwx
expires:202604210800;;721847

coastal waters forecast
national weather service baltimore md/washington dc
1058 pm edt mon apr 20 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.


anz531-210800-
chesapeake bay from pooles island to sandy point-
1058 pm edt mon apr 20 2026

...small craft advisory in effect until 4 am edt tuesday...

.rest of tonight...n winds 10 to 15 kt with gusts to 20 kt. waves
1 to 2 ft. 
.tue...ne winds 5 to 10 kt...becoming se in the afternoon. waves
1 ft. 
.tue night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.wed...sw winds 5 to 10 kt. gusts up to 20 kt in the morning. waves
1 to 2 ft. a chance of showers. 
.wed night...nw winds 5 to 10 kt. waves 1 ft. 
.thu...nw winds 5 kt. waves less than 1 ft. 
.thu night...se winds around 5 kt. waves 1 ft or less. 
.fri...e winds around 5 kt. waves 1 ft or less. a chance of showers
through the night. 
.sat...e winds 5 to 10 kt. waves 1 ft. a chance of showers through
the day. showers likely through the night.  

$$

fzus51 klwx 210258
cwflwx
expires:202604210800;;721850

coastal waters forecast
national weather service baltimore md/washington dc
1058 pm edt mon apr 20 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.


anz532-210800-
chesapeake bay from sandy point to north beach-
1058 pm edt mon apr 20 2026

...small craft advisory in effect until 4 am edt tuesday...
...small craft advisory in effect from tuesday evening through
wednesday morning...

.rest of tonight...n winds 10 to 15 kt with gusts to 20 kt. waves
2 ft. 
.tue...ne winds 5 to 10 kt...becoming se in the afternoon. waves
1 ft. 
.tue night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.wed...sw winds 10 to 15 kt. gusts up to 20 kt in the morning. waves
1 to 2 ft. a chance of showers. 
.wed night...nw winds 5 to 10 kt. waves 1 ft. 
.thu...n winds 5 kt. waves less than 1 ft. 
.thu night...se winds 5 kt. waves less than 1 ft. 
.fri...e winds 5 to 10 kt. waves 1 ft or less. a chance of showers
through the night. 
.sat...e winds 10 to 15 kt...becoming ne after midnight. waves 1 ft.
a chance of showers through the day. showers likely through the
night.  

$$