fzus51 klwx 272358
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coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt mon apr 27 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.


anz531-280800-
chesapeake bay from pooles island to sandy point-
758 pm edt mon apr 27 2026

.tonight...se winds 5 to 10 kt. waves 1 ft or less. 
.tue...s winds 5 to 10 kt. waves 1 ft. 
.tue night...se winds 5 to 10 kt. waves 1 ft. 
.wed...se winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
showers.
.wed night...se winds 10 to 15 kt...becoming w after midnight. gusts
up to 20 kt. waves 2 ft. showers.
.thu...nw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.thu night...nw winds 10 to 15 kt. gusts up to 25 kt in the evening.
waves 2 ft. 
.fri...nw winds 10 to 15 kt. waves 1 to 2 ft. a chance of showers
through the night. 
.sat...n winds 10 to 15 kt. waves 1 to 2 ft. a chance of showers.  

$$

fzus51 klwx 272358
cwflwx
expires:202604280800;;639155

coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt mon apr 27 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.


anz532-280800-
chesapeake bay from sandy point to north beach-
758 pm edt mon apr 27 2026

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

$$

fzus51 klwx 272358
cwflwx
expires:202604280800;;639157

coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt mon apr 27 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.


anz533-280800-
chesapeake bay from north beach to drum point-
758 pm edt mon apr 27 2026

.tonight...se winds 5 to 10 kt. waves 1 ft. 
.tue...s winds 5 to 10 kt. waves 1 to 2 ft. 
.tue night...se winds 5 to 10 kt. waves 1 to 2 ft. 
.wed...se winds 5 to 10 kt...increasing to 15 to 20 kt in the
afternoon. waves 1 ft...building to 3 ft in the afternoon. showers.
.wed night...s winds 15 to 20 kt...becoming w after midnight. waves
2 to 3 ft. showers.
.thu...nw winds 20 to 25 kt. waves 3 ft. 
.thu night...nw winds 15 to 20 kt. waves 2 to 3 ft. 
.fri...nw winds 5 to 10 kt. waves 1 ft. a chance of showers through
the night. 
.sat...n winds 10 to 15 kt...becoming nw after midnight. waves 1 to
2 ft. a chance of showers.  

$$

fzus51 klwx 272358
cwflwx
expires:202604280800;;639160

coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt mon apr 27 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.


anz534-280800-
chesapeake bay from drum point to smith point-
758 pm edt mon apr 27 2026

.tonight...se winds 5 to 10 kt. waves 1 ft. 
.tue...se winds 5 to 10 kt. waves 1 to 2 ft. 
.tue night...se winds 10 kt. waves 2 ft. 
.wed...se winds 10 to 15 kt with gusts to 20 kt. waves 2 to 3 ft.
showers.
.wed night...s winds 15 to 20 kt...becoming w after midnight. gusts
up to 25 kt. waves 3 ft. showers.
.thu...nw winds 20 to 25 kt. waves 4 ft. 
.thu night...nw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.fri...w winds 10 to 15 kt...becoming s 5 to 10 kt in the evening,
then becoming nw after midnight. waves 1 to 2 ft. a chance of
showers through the night. 
.sat...n winds 10 to 15 kt. waves 2 ft. a chance of showers.  

$$

fzus51 klwx 272358
cwflwx
expires:202604280800;;639148

coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt mon apr 27 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.


anz535-280800-
tidal potomac from key bridge to indian head-
758 pm edt mon apr 27 2026

.tonight...se winds 5 kt. waves less than 1 ft. 
.tue...s winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.tue night...se winds 5 kt. waves less than 1 ft. 
.wed...se winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
waves 1 ft. showers.
.wed night...s winds 5 to 10 kt...becoming nw 10 to 15 kt with gusts
to 25 kt after midnight. waves 1 ft. showers.
.thu...nw winds 15 to 20 kt with gusts to 30 kt. waves 1 ft. 
.thu night...nw winds 10 to 15 kt. gusts up to 25 kt in the evening.
waves 1 ft. 
.fri...nw winds 5 to 10 kt. waves 1 ft. a chance of showers through
the night. 
.sat...n winds 10 to 15 kt...becoming nw 5 kt after midnight. waves
1 ft. a chance of showers.  

$$

fzus51 klwx 272358
cwflwx
expires:202604280800;;639149

coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt mon apr 27 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.


anz536-280800-
tidal potomac from indian head to cobb island-
758 pm edt mon apr 27 2026

.tonight...se winds 5 to 10 kt. waves 1 ft. 
.tue...s winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.tue night...se winds 5 to 10 kt. waves 1 ft. 
.wed...se winds 5 to 10 kt. waves 1 ft. showers.
.wed night...s winds 10 kt...becoming nw after midnight. gusts up to
20 kt. waves 1 to 2 ft. showers.
.thu...nw winds 15 to 20 kt with gusts to 25 kt. waves 2 ft. 
.thu night...nw winds 10 to 15 kt with gusts to 20 kt...diminishing
to 5 kt after midnight. waves 1 to 2 ft. 
.fri...nw winds 5 to 10 kt. waves 1 ft. a chance of showers through
the night. 
.sat...n winds 5 to 10 kt. waves 1 ft. a chance of showers.  

$$

fzus51 klwx 272358
cwflwx
expires:202604280800;;639150

coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt mon apr 27 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.


anz537-280800-
tidal potomac from cobb island to smith point-
758 pm edt mon apr 27 2026

.tonight...se winds 5 to 10 kt. waves 1 ft. 
.tue...se winds 5 to 10 kt. waves 1 ft. 
.tue night...se winds 5 to 10 kt. waves 1 ft. 
.wed...se winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
showers.
.wed night...s winds 10 to 15 kt...becoming w 15 to 20 kt after
midnight. waves 2 ft. showers.
.thu...nw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.thu night...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft. 
.fri...w winds 5 to 10 kt...becoming s in the evening, then becoming
nw after midnight. waves 1 ft. a chance of showers through the
night. 
.sat...n winds 5 to 10 kt. waves 1 to 2 ft. a chance of showers.  

$$