fzus51 klwx 182358
cwflwx
expires:202604190800;;606855

coastal waters forecast
national weather service baltimore md/washington dc
757 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-
757 pm edt sat apr 18 2026

...small craft advisory in effect until 8 pm edt this evening...
...small craft advisory in effect from 6 am edt sunday through
sunday afternoon...

.tonight...se winds 10 to 15 kt with gusts to 20 kt... becoming ne
late. waves 1 to 2 ft. scattered showers after midnight. 
.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 with gusts to 20 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 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 in the afternoon. waves
1 ft. 
.tue night...s winds 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. a chance of showers. 
.thu...sw winds around 5 kt. waves 1 ft or less.  

$$

fzus51 klwx 182358
cwflwx
expires:202604190800;;606858

coastal waters forecast
national weather service baltimore md/washington dc
757 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-
757 pm edt sat apr 18 2026

...small craft advisory in effect until 8 pm edt this evening...
...small craft advisory in effect from 6 am edt sunday through
sunday afternoon...

.tonight...se winds 10 to 15 kt...becoming n late. gusts up to
20 kt. waves 2 to 3 ft...subsiding to 1 ft late. isolated showers
after midnight. 
.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...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 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 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...becoming n 5 kt. waves 1 to 2 ft. a
chance of showers. 
.thu...ne winds 5 to 10 kt...becoming s. waves 1 ft or less.  

$$

fzus51 klwx 182358
cwflwx
expires:202604190800;;606860

coastal waters forecast
national weather service baltimore md/washington dc
757 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-
757 pm edt sat apr 18 2026

...small craft advisory in effect until 8 pm edt this evening...
...small craft advisory in effect from 6 am edt sunday through
sunday afternoon...

.tonight...se winds 15 to 20 kt...becoming sw late. waves 2 to 3 ft.
isolated showers after midnight. 
.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...becoming w 5 to 10 kt after
midnight. 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 in the afternoon. waves
1 ft. 
.tue night...s winds 15 to 20 kt. waves 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. 
.thu...ne winds 5 to 10 kt...becoming s. waves 1 ft.  

$$

fzus51 klwx 182358
cwflwx
expires:202604190800;;606863

coastal waters forecast
national weather service baltimore md/washington dc
757 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-
757 pm edt sat apr 18 2026

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

.tonight...se winds 15 kt...becoming s late. waves 3 ft. isolated
showers after midnight. 
.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 5 to 10 kt in the afternoon.
waves 1 to 2 ft. 
.tue night...s winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft. 
.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. 
.thu...n winds 5 to 10 kt...becoming s. waves 1 ft.  

$$

fzus51 klwx 182358
cwflwx
expires:202604190800;;606851

coastal waters forecast
national weather service baltimore md/washington dc
757 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-
757 pm edt sat apr 18 2026

...small craft advisory in effect until 8 pm edt this evening...
...small craft advisory in effect from 6 am edt sunday through
sunday afternoon...

.tonight...se winds 10 to 15 kt with gusts to 20 kt... becoming e
5 kt after midnight, then becoming n 15 kt late. waves 1 ft.
scattered showers after midnight. 
.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 early 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...w winds around 5 kt. waves 1 ft. 
.tue night...s winds 5 to 10 kt. waves 1 ft. 
.wed...sw winds 5 to 10 kt...becoming n. waves 1 ft. a chance of
showers. 
.thu...w winds around 5 kt. waves 1 ft.  

$$

fzus51 klwx 182358
cwflwx
expires:202604190800;;606852

coastal waters forecast
national weather service baltimore md/washington dc
757 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-
757 pm edt sat apr 18 2026

...small craft advisory in effect until 8 pm edt this evening...
...small craft advisory in effect from 6 am edt sunday through
sunday afternoon...

.tonight...se winds 10 to 15 kt...becoming w late. gusts up to
20 kt. waves 1 to 2 ft. scattered showers after midnight. 
.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. waves 1 ft. 
.tue night...s winds 5 to 10 kt. waves 1 ft. 
.wed...sw winds 5 to 10 kt...becoming n. waves 1 ft. a chance of
showers. 
.thu...n winds around 5 kt. waves 1 ft.  

$$

fzus51 klwx 182358
cwflwx
expires:202604190800;;606853

coastal waters forecast
national weather service baltimore md/washington dc
757 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-
757 pm edt sat apr 18 2026

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

.tonight...se winds 15 kt...becoming sw late. gusts up to 20 kt.
waves 2 ft. isolated showers after midnight. 
.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. waves
1 ft. 
.tue night...s winds 10 to 15 kt with gusts to 20 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. 
.thu...ne winds 5 to 10 kt...becoming s. waves 1 ft.  

$$