fzus51 klwx 181139
cwflwx
expires:202604182000;;578595

coastal waters forecast
national weather service baltimore md/washington dc
739 am edt sat apr 18 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.


anz530-182000-
chesapeake bay north of pooles island-
739 am edt sat apr 18 2026

...small craft advisory in effect from 2 pm edt this afternoon
through this evening...
...small craft advisory in effect from sunday morning through sunday
afternoon...

.today...e winds 5 to 10 kt. gusts up to 20 kt this afternoon. waves
1 ft. 
.tonight...se winds 10 to 15 kt with gusts to 20 kt... becoming ne
5 to 10 kt late. waves 1 ft. scattered showers. 
.sun...nw winds 15 to 20 kt with gusts to 25 kt... diminishing to
10 kt with gusts to 20 kt late. waves 2 ft. showers.
.sun night...w winds 5 to 10 kt. waves 1 ft. 
.mon...nw winds 5 to 10 kt with gusts to 20 kt. waves 1 ft. 
.mon night...n winds 5 to 10 kt. waves 1 ft. 
.tue...w winds around 5 kt...becoming s. waves 1 ft. 
.wed...sw winds 5 to 10 kt...becoming n. waves 1 ft.  

$$

fzus51 klwx 181139
cwflwx
expires:202604182000;;578596

coastal waters forecast
national weather service baltimore md/washington dc
739 am edt sat apr 18 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.


anz531-182000-
chesapeake bay from pooles island to sandy point-
739 am edt sat apr 18 2026

...small craft advisory in effect from 2 pm edt this afternoon
through this evening...
...small craft advisory in effect from sunday morning through sunday
afternoon...

.today...e winds 5 to 10 kt...becoming se 15 kt late. gusts up to
20 kt this afternoon. waves 1 to 2 ft. 
.tonight...se winds 10 to 15 kt with gusts to 20 kt... becoming ne
5 to 10 kt late. waves 1 to 2 ft. scattered showers. 
.sun...nw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
showers.
.sun night...nw winds 10 to 15 kt...becoming w 5 to 10 kt after
midnight. waves 1 to 2 ft. 
.mon...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. 
.mon night...n winds 10 to 15 kt. waves 1 to 2 ft. 
.tue...n winds 5 kt...becoming s 10 to 15 kt. waves 1 to 2 ft. 
.wed...sw winds 10 to 15 kt...becoming n 5 kt. waves 1 to 2 ft.  

$$

fzus51 klwx 181139
cwflwx
expires:202604182000;;578599

coastal waters forecast
national weather service baltimore md/washington dc
739 am edt sat apr 18 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.


anz532-182000-
chesapeake bay from sandy point to north beach-
739 am edt sat apr 18 2026

...small craft advisory in effect from 2 pm edt this afternoon
through this evening...
...small craft advisory in effect from sunday morning through sunday
afternoon...

.today...e winds 5 kt...becoming se 10 to 15 kt with gusts to 20 kt
this afternoon. waves 1 to 2 ft. 
.tonight...se winds 10 to 15 kt with gusts to 20 kt... becoming ne
5 to 10 kt late. waves 2 to 3 ft. scattered showers. 
.sun...nw winds 15 to 20 kt with gusts to 30 kt. waves 3 ft.
showers.
.sun night...nw winds 10 to 15 kt...becoming w after midnight. waves
1 to 2 ft. 
.mon...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. 
.mon night...n winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft. 
.tue...n winds 5 to 10 kt...becoming s 10 to 15 kt. waves 1 to 2 ft.
.wed...sw winds 10 to 15 kt...becoming n 5 kt. waves 1 to 2 ft.  

$$

fzus51 klwx 181139
cwflwx
expires:202604182000;;578601

coastal waters forecast
national weather service baltimore md/washington dc
739 am edt sat apr 18 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.


anz533-182000-
chesapeake bay from north beach to drum point-
739 am edt sat apr 18 2026

...small craft advisory in effect from 2 pm edt this afternoon
through this evening...
...small craft advisory in effect from sunday morning through sunday
afternoon...

.today...se winds 5 to 10 kt with gusts to 20 kt... becoming s 15 kt
with gusts to 20 kt late. waves 1 to 2 ft. 
.tonight...se winds 15 to 20 kt...becoming w 10 to 15 kt late. waves
2 to 3 ft. scattered showers. 
.sun...nw winds 20 to 25 kt with gusts to 30 kt... diminishing to
10 to 15 kt with gusts to 20 kt late. waves 3 ft. showers.
.sun night...nw winds 5 to 10 kt. waves 1 to 2 ft. 
.mon...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.mon night...n winds 10 to 15 kt. waves 2 ft. 
.tue...n winds 5 to 10 kt...becoming se 10 to 15 kt in the afternoon
and evening, then becoming s after midnight. waves 1 to 2 ft. 
.wed...sw winds 10 to 15 kt...becoming n 5 to 10 kt. waves 1 to
2 ft.  

$$