fzus51 klwx 181835
cwflwx
expires:202604190800;;594898

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


anz531-190800-
chesapeake bay from pooles island to sandy point-
234 pm edt sat apr 18 2026

...small craft advisory in effect until 8 pm edt this evening...
...small craft advisory in effect from sunday morning through sunday
afternoon...

.this afternoon...e winds 10 kt with gusts to 20 kt. 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 20 to 25 kt...diminishing to 15 kt in the afternoon.
gusts up to 30 kt...diminishing to 20 kt late. waves 3 ft. showers.
.sun night...nw winds 10 to 15 kt. gusts up to 20 kt in the evening.
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 with gusts to 20 kt. waves 1 to
2 ft. 
.tue...n winds around 5 kt...becoming s 10 to 15 kt. waves 1 to
2 ft. 
.wed...sw winds 10 to 15 kt...becoming w 5 to 10 kt in the
afternoon, then becoming n. waves 1 to 2 ft... subsiding to flat
after midnight. a chance of showers.  

$$

fzus51 klwx 181835
cwflwx
expires:202604190800;;594901

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


anz532-190800-
chesapeake bay from sandy point to north beach-
234 pm edt sat apr 18 2026

...small craft advisory in effect until 8 pm edt this evening...
...small craft advisory in effect from sunday morning through sunday
afternoon...

.this afternoon...e winds 5 kt...becoming se 15 kt with gusts to
20 kt late. waves 1 to 2 ft. 
.tonight...se winds 10 to 15 kt...becoming n late. gusts up to
20 kt. waves 2 to 3 ft. 
.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. scattered showers.
.sun night...nw winds 10 to 15 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 with gusts to 20 kt. waves 1 to
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 kt. waves 1 to 2 ft. a
chance of showers.  

$$

fzus51 klwx 181835
cwflwx
expires:202604190800;;594903

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


anz533-190800-
chesapeake bay from north beach to drum point-
234 pm edt sat apr 18 2026

...small craft advisory in effect until 8 pm edt this evening...
...small craft advisory in effect from sunday morning through sunday
afternoon...

.this afternoon...se winds 10 to 15 kt. gusts up to 20 kt late.
waves 1 to 2 ft. 
.tonight...se winds 15 to 20 kt...becoming sw 10 to 15 kt late.
waves 2 to 3 ft. 
.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 10 to 15 kt. waves 1 to 2 ft. 
.mon...nw winds 15 to 20 kt. waves 2 ft. 
.mon night...n winds 10 to 15 kt with gusts to 20 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 15 to 20 kt after midnight. waves 1 to
2 ft. 
.wed...sw winds 15 to 20 kt...diminishing to 5 to 10 kt in the
afternoon, then becoming n. waves 1 to 2 ft. a chance of showers.  

$$

fzus51 klwx 181835
cwflwx
expires:202604190800;;594906

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


anz534-190800-
chesapeake bay from drum point to smith point-
234 pm edt sat apr 18 2026

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

.this afternoon...se winds 10 to 15 kt with gusts to 20 kt. waves
2 to 3 ft. 
.tonight...se winds 15 to 20 kt...becoming s late. waves 3 ft. 
.sun...w winds 15 to 20 kt...becoming nw 20 to 25 kt in the late
morning and afternoon. gusts up to 30 kt. waves 4 ft. numerous
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 to 3 ft. 
.mon night...n winds 15 to 20 kt. waves 2 to 3 ft. 
.tue...n winds 10 to 15 kt...becoming s 15 to 20 kt. waves 1 to
2 ft...building to 3 ft after midnight. 
.wed...sw winds 15 to 20 kt...becoming n 5 to 10 kt. waves 2 to
3 ft...subsiding to 1 ft. a chance of showers.  

$$

fzus51 klwx 181835
cwflwx
expires:202604190800;;594894

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


anz535-190800-
tidal potomac from key bridge to indian head-
234 pm edt sat apr 18 2026

...small craft advisory in effect until 8 pm edt this evening...
...small craft advisory in effect from sunday morning through sunday
afternoon...

.this afternoon...se winds 10 kt. gusts up to 25 kt late. waves
1 ft. 
.tonight...se winds 10 to 15 kt with gusts to 25 kt... becoming ne
5 to 10 kt after midnight. waves 1 ft. scattered showers. 
.sun...nw winds 15 to 20 kt with gusts to 30 kt... diminishing to
10 kt with gusts to 20 kt late. waves 1 to 2 ft. showers.
.sun night...nw winds 5 to 10 kt. gusts up to 20 kt in the evening.
waves 1 ft. 
.mon...nw winds 10 to 15 kt with gusts to 25 kt. waves 1 ft. 
.mon night...n winds 5 to 10 kt. gusts up to 20 kt in the evening.
waves 1 ft. 
.tue...sw winds around 5 kt...becoming s after midnight. waves 1 ft.
.wed...sw winds 5 to 10 kt...becoming n. waves 1 ft. a chance of
showers.  

$$

fzus51 klwx 181835
cwflwx
expires:202604190800;;594895

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


anz536-190800-
tidal potomac from indian head to cobb island-
234 pm edt sat apr 18 2026

...small craft advisory in effect until 8 pm edt this evening...
...small craft advisory in effect from sunday morning through sunday
afternoon...

.this afternoon...se winds 15 kt with gusts to 20 kt. waves 1 to
2 ft. 
.tonight...se winds 10 to 15 kt...becoming w late. gusts up to
20 kt. waves 1 to 2 ft. 
.sun...nw winds 20 to 25 kt with gusts to 30 kt... diminishing to
10 to 15 kt with gusts to 20 kt in the afternoon. waves 3 ft...
subsiding to 1 ft in the afternoon. showers.
.sun night...nw winds 5 to 10 kt. waves 1 ft. 
.mon...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.mon night...n winds 10 to 15 kt with gusts to 20 kt... diminishing
to 5 kt after midnight. 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. a chance of
showers.  

$$

fzus51 klwx 181835
cwflwx
expires:202604190800;;594896

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


anz537-190800-
tidal potomac from cobb island to smith point-
234 pm edt sat apr 18 2026

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

.this afternoon...se winds 15 kt with gusts to 20 kt. waves 2 ft. 
.tonight...se winds 15 to 20 kt...becoming sw 10 to 15 kt late.
waves 2 ft. 
.sun...nw winds 20 to 25 kt...diminishing to 10 to 15 kt late. waves
3 ft. numerous showers. 
.sun night...nw winds 5 to 10 kt. waves 1 ft. 
.mon...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.mon night...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.tue...n winds 5 to 10 kt...becoming se in the afternoon, then
becoming s 10 to 15 kt. waves 1 to 2 ft. 
.wed...sw winds 10 to 15 kt...becoming n 5 to 10 kt. waves 1 to
2 ft. a chance of showers.  

$$