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coastal waters forecast
national weather service baltimore md/washington dc
800 pm edt mon may 11 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.


anz531-120800-
chesapeake bay from pooles island to sandy point-
800 pm edt mon may 11 2026

.tonight...sw winds 5 kt...becoming n after midnight. waves 1 ft or
less. 
.tue...ne winds 5 to 10 kt...becoming s late. waves 1 ft. 
.tue night...s winds 15 to 20 kt with gusts to 25 kt. waves 1 ft...
building to 3 ft after midnight. 
.wed...s winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. showers
likely. 
.wed night...s winds 10 to 15 kt with gusts to 25 kt...becoming sw
5 to 10 kt after midnight. waves 2 ft. showers.
.thu...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. 
.thu night...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.fri...nw winds 10 to 15 kt...becoming w 5 kt after midnight. waves
1 to 2 ft. 
.sat...sw winds 5 to 10 kt. waves 1 ft.  

$$

fzus51 klwx 120000
cwflwx
expires:202605120800;;407750

coastal waters forecast
national weather service baltimore md/washington dc
800 pm edt mon may 11 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.


anz532-120800-
chesapeake bay from sandy point to north beach-
800 pm edt mon may 11 2026

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

$$

fzus51 klwx 120000
cwflwx
expires:202605120800;;407752

coastal waters forecast
national weather service baltimore md/washington dc
800 pm edt mon may 11 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.


anz533-120800-
chesapeake bay from north beach to drum point-
800 pm edt mon may 11 2026

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

$$

fzus51 klwx 120000
cwflwx
expires:202605120800;;407755

coastal waters forecast
national weather service baltimore md/washington dc
800 pm edt mon may 11 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.


anz534-120800-
chesapeake bay from drum point to smith point-
800 pm edt mon may 11 2026

.tonight...nw winds 5 to 10 kt. waves 1 ft. 
.tue...n winds 5 to 10 kt...becoming e late. waves 1 ft. 
.tue night...s winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft. 
.wed...s winds 15 to 20 kt with gusts to 30 kt. waves 3 ft. a chance
of showers. 
.wed night...s winds 20 to 25 kt. gusts up to 30 kt in the evening.
waves 3 ft. showers.
.thu...nw winds 10 to 15 kt. waves 2 ft. 
.thu night...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.fri...nw winds 10 to 15 kt...becoming w 5 to 10 kt. waves 1 to
2 ft. 
.sat...sw winds 5 to 10 kt. waves 1 ft.  

$$

fzus51 klwx 120000
cwflwx
expires:202605120800;;407743

coastal waters forecast
national weather service baltimore md/washington dc
800 pm edt mon may 11 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.


anz535-120800-
tidal potomac from key bridge to indian head-
800 pm edt mon may 11 2026

.tonight...w winds 5 kt. waves less than 1 ft. 
.tue...nw winds around 5 kt. waves 1 ft. 
.tue night...s winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.wed...s winds 10 to 15 kt with gusts to 25 kt. waves 1 ft. showers
likely. 
.wed night...sw winds 5 to 10 kt. gusts up to 20 kt in the evening.
waves 1 ft. showers.
.thu...nw winds 10 to 15 kt with gusts to 25 kt. waves 1 ft. 
.thu night...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.fri...nw winds 10 to 15 kt...becoming w around 5 kt after midnight.
waves 1 ft. 
.sat...sw winds 5 to 10 kt. waves 1 ft.  

$$

fzus51 klwx 120000
cwflwx
expires:202605120800;;407744

coastal waters forecast
national weather service baltimore md/washington dc
800 pm edt mon may 11 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.


anz536-120800-
tidal potomac from indian head to cobb island-
800 pm edt mon may 11 2026

.tonight...w winds 5 kt. waves less than 1 ft. 
.tue...e winds around 5 kt. waves 1 ft. 
.tue night...s winds 10 to 15 kt. gusts up to 20 kt in the late
evening and overnight. waves 1 ft. 
.wed...sw winds 15 to 20 kt with gusts to 25 kt. waves 2 ft. a
chance of showers. 
.wed night...s winds 10 to 15 kt with gusts to 20 kt...becoming sw
5 to 10 kt after midnight. waves 1 ft. showers.
.thu...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.thu night...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.fri...nw winds 10 to 15 kt...becoming w around 5 kt after midnight.
waves 1 ft. 
.sat...sw winds 5 to 10 kt. waves 1 ft.  

$$

fzus51 klwx 120000
cwflwx
expires:202605120800;;407745

coastal waters forecast
national weather service baltimore md/washington dc
800 pm edt mon may 11 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.


anz537-120800-
tidal potomac from cobb island to smith point-
800 pm edt mon may 11 2026

.tonight...w winds 5 to 10 kt. waves 1 ft or less. 
.tue...n winds 5 to 10 kt...becoming se late. waves 1 ft. 
.tue night...se winds 10 to 15 kt...becoming s late. gusts up to
20 kt. waves 1 to 2 ft. 
.wed...s winds 15 kt with gusts to 20 kt. waves 2 ft. a chance of
showers. 
.wed night...sw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers.
.thu...nw winds 10 to 15 kt. waves 1 ft. 
.thu night...nw winds 10 to 15 kt. waves 2 ft. 
.fri...nw winds 10 to 15 kt...becoming w 5 kt after midnight. waves
1 to 2 ft...subsiding to flat after midnight. 
.sat...sw winds 5 to 10 kt. waves 1 ft or less.  

$$