fzus51 klwx 302358
cwflwx
expires:202605010800;;807896

coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt thu apr 30 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.


anz531-010800-
chesapeake bay from pooles island to sandy point-
758 pm edt thu apr 30 2026

...small craft advisory in effect until 6 am edt friday...

.tonight...nw winds 15 kt. gusts up to 25 kt until early morning.
waves 2 ft. 
.fri...nw winds 5 to 10 kt...becoming s in the afternoon. waves
1 ft. 
.fri night...sw winds 5 to 10 kt...becoming nw late. waves 1 ft. a
chance of showers. 
.sat...nw winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.sat night...nw winds 10 to 15 kt. gusts up to 20 kt after midnight.
waves 1 to 2 ft. a chance of showers. 
.sun...nw winds 10 to 15 kt with gusts to 25 kt. waves 2 ft. 
.sun night...w winds 5 to 10 kt. waves 1 ft. 
.mon...s winds 10 to 15 kt. waves 1 to 2 ft. 
.tue...s winds 15 to 20 kt. waves 2 to 3 ft.  

$$

fzus51 klwx 302358
cwflwx
expires:202605010800;;807899

coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt thu apr 30 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.


anz532-010800-
chesapeake bay from sandy point to north beach-
758 pm edt thu apr 30 2026

...small craft advisory in effect until 6 am edt friday...

.tonight...nw winds 15 kt. gusts up to 25 kt until early morning.
waves 2 ft. 
.fri...nw winds 5 to 10 kt...becoming se in the afternoon. waves
1 ft. 
.fri night...s winds 10 kt...becoming nw after midnight. waves 1 ft.
a chance of showers. 
.sat...n winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.sat night...nw winds 5 kt...increasing to 10 to 15 kt with gusts to
20 kt after midnight. waves 1 to 2 ft. a chance of showers. 
.sun...nw winds 10 to 15 kt with gusts to 25 kt. waves 2 ft. 
.sun night...w winds 5 to 10 kt. waves 1 ft. 
.mon...s winds 10 to 15 kt. waves 1 to 2 ft...building to 3 ft after
midnight. 
.tue...s winds 15 to 20 kt. waves 2 to 3 ft.  

$$

fzus51 klwx 302358
cwflwx
expires:202605010800;;807901

coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt thu apr 30 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.


anz533-010800-
chesapeake bay from north beach to drum point-
758 pm edt thu apr 30 2026

...small craft advisory in effect until 6 am edt friday...

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

$$

fzus51 klwx 302358
cwflwx
expires:202605010800;;807904

coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt thu apr 30 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.


anz534-010800-
chesapeake bay from drum point to smith point-
758 pm edt thu apr 30 2026

...small craft advisory in effect through friday morning...

.tonight...nw winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft. 
.fri...nw winds 10 to 15 kt with gusts to 20 kt... diminishing to
5 kt early in the afternoon, then becoming s late. waves 3 ft...
subsiding to 1 ft in the afternoon. 
.fri night...s winds 10 to 15 kt...becoming nw late. gusts up to
20 kt. waves 2 ft. a chance of showers. 
.sat...n winds 5 to 10 kt with gusts to 20 kt. waves 2 ft. showers
likely. 
.sat night...n winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft. a chance of showers. 
.sun...nw winds 15 to 20 kt with gusts to 30 kt. waves 4 ft. 
.sun night...w winds 5 to 10 kt. waves 1 to 2 ft. 
.mon...s winds 15 to 20 kt. waves 2 to 3 ft. 
.tue...s winds 15 to 20 kt. waves 3 ft.  

$$

fzus51 klwx 302358
cwflwx
expires:202605010800;;807892

coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt thu apr 30 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.


anz535-010800-
tidal potomac from key bridge to indian head-
758 pm edt thu apr 30 2026

...small craft advisory in effect until 10 pm edt this evening...

.tonight...nw winds 10 to 15 kt. gusts up to 25 kt. waves 1 ft. 
.fri...nw winds 5 to 10 kt...becoming sw late. waves 1 ft. 
.fri night...s winds 5 to 10 kt...becoming n in the late evening and
overnight. waves 1 ft. a chance of showers. 
.sat...n winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.sat night...nw winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.sun...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.sun night...w winds around 5 kt. waves 1 ft. 
.mon...sw winds 10 to 15 kt. waves 1 ft. 
.tue...s winds 10 to 15 kt. waves 1 to 2 ft.  

$$

fzus51 klwx 302358
cwflwx
expires:202605010800;;807893

coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt thu apr 30 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.


anz536-010800-
tidal potomac from indian head to cobb island-
758 pm edt thu apr 30 2026

...small craft advisory in effect until 10 pm edt this evening...

.tonight...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.fri...nw winds 5 to 10 kt...becoming sw in the afternoon. waves
1 ft. 
.fri night...se winds 5 to 10 kt...becoming n after midnight. waves
1 ft. a chance of showers. 
.sat...n winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.sat night...n winds 5 kt...becoming nw 10 to 15 kt after midnight.
waves 1 ft. a chance of showers. 
.sun...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.sun night...nw winds 5 to 10 kt...becoming sw after midnight. waves
1 ft. 
.mon...sw winds 10 to 15 kt. waves 1 ft. 
.tue...s winds 15 to 20 kt. waves 1 to 2 ft.  

$$

fzus51 klwx 302358
cwflwx
expires:202605010800;;807894

coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt thu apr 30 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.


anz537-010800-
tidal potomac from cobb island to smith point-
758 pm edt thu apr 30 2026

...small craft advisory in effect until 6 am edt friday...

.tonight...nw winds 15 kt with gusts to 25 kt. waves 2 ft. 
.fri...nw winds 10 to 15 kt with gusts to 20 kt... becoming se 5 to
10 kt in the afternoon. waves 1 to 2 ft. 
.fri night...s winds 5 to 10 kt...becoming nw late. waves 1 to 2 ft.
a chance of showers. 
.sat...n winds 5 to 10 kt. waves 1 ft. showers likely. 
.sat night...nw winds 10 to 15 kt. gusts up to 20 kt. waves 1 to
2 ft. a chance of showers. 
.sun...nw winds 15 to 20 kt with gusts to 30 kt. waves 3 ft. 
.sun night...w winds 5 to 10 kt. waves 1 ft or less. 
.mon...sw winds 10 to 15 kt. waves 1 to 2 ft. 
.tue...s winds 10 to 15 kt. waves 2 ft.  

$$