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coastal waters forecast
national weather service baltimore md/washington dc
457 pm edt fri sep 25 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.


anz531-260800-
chesapeake bay from pooles island to sandy point-
457 pm edt fri sep 25 2026

...small craft advisory in effect until 6 pm edt this evening...
...gale warning in effect through saturday evening...

.rest of this afternoon...n winds 20 kt with gusts to 30 kt. waves
3 ft. 
.tonight...n winds 20 to 25 kt with gusts to 35 kt. waves 4 ft. a
chance of showers. 
.sat...n winds 20 to 25 kt with gusts to 35 kt. waves 4 ft. showers
likely. 
.sat night...n winds 20 to 25 kt with gusts to 35 kt. waves 3 ft.
showers.
.sun...nw winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
showers.
.sun night...nw winds 20 to 25 kt with gusts to 30 kt. waves 3 ft. a
chance of showers. 
.mon...nw winds 10 to 15 kt...diminishing to 5 kt after midnight.
waves 1 to 2 ft. 
.tue...sw winds around 5 kt. waves 1 ft or less.  

$$

fzus51 klwx 252057
cwflwx
expires:202609260800;;050725

coastal waters forecast
national weather service baltimore md/washington dc
457 pm edt fri sep 25 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.


anz532-260800-
chesapeake bay from sandy point to north beach-
457 pm edt fri sep 25 2026

...small craft advisory in effect until 6 pm edt this evening...
...gale warning in effect through saturday evening...

.rest of this afternoon...n winds 20 kt with gusts to 30 kt. waves
4 ft. 
.tonight...n winds 20 to 25 kt. gusts up to 35 kt. waves 4 ft. a
chance of showers. 
.sat...n winds 20 to 25 kt with gusts to 35 kt. waves 5 ft. showers
likely. 
.sat night...n winds 20 to 25 kt with gusts to 35 kt. waves 5 ft...
subsiding to 3 ft after midnight. showers likely. 
.sun...nw winds 20 to 25 kt with gusts to 30 kt. waves 3 ft. showers
likely. 
.sun night...nw winds 20 to 25 kt with gusts to 30 kt. waves 3 ft. a
chance of showers. 
.mon...nw winds 10 to 15 kt...diminishing to 5 kt after midnight.
waves 1 to 2 ft. 
.tue...sw winds around 5 kt. waves 1 ft or less.  

$$

fzus51 klwx 252057
cwflwx
expires:202609260800;;050727

coastal waters forecast
national weather service baltimore md/washington dc
457 pm edt fri sep 25 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.


anz533-260800-
chesapeake bay from north beach to drum point-
457 pm edt fri sep 25 2026

...gale warning in effect through saturday afternoon...

.rest of this afternoon...n winds 25 kt with gusts to 35 kt. waves
5 ft...except around 3 ft near the mouth of the choptank. 
.tonight...n winds 25 to 30 kt. waves 5 ft. a chance of showers. 
.sat...n winds 25 to 30 kt. waves 5 ft. showers likely. 
.sat night...n winds 20 to 25 kt with gusts to 35 kt. waves 4 ft.
showers likely. 
.sun...nw winds 20 to 25 kt with gusts to 30 kt. waves 4 ft. showers
likely. 
.sun night...nw winds 20 to 25 kt with gusts to 30 kt. waves 3 ft. a
chance of showers. 
.mon...nw winds 10 to 15 kt...diminishing to 5 kt after midnight.
waves 1 to 2 ft. 
.tue...sw winds around 5 kt. waves 1 ft or less.  

$$

fzus51 klwx 252057
cwflwx
expires:202609260800;;050730

coastal waters forecast
national weather service baltimore md/washington dc
457 pm edt fri sep 25 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.


anz534-260800-
chesapeake bay from drum point to smith point-
457 pm edt fri sep 25 2026

...gale warning in effect through saturday afternoon...

.rest of this afternoon...n winds 25 kt with gusts to 35 kt. waves
5 ft. 
.tonight...n winds 25 to 30 kt. waves 6 ft. a chance of showers. 
.sat...n winds 25 to 30 kt. waves 6 ft. showers likely. 
.sat night...n winds 25 to 30 kt. waves 5 ft. showers likely. 
.sun...nw winds 20 to 25 kt with gusts to 35 kt. waves 5 ft. showers
likely. 
.sun night...nw winds 20 to 25 kt with gusts to 30 kt. waves 4 ft. 
.mon...nw winds 10 to 15 kt...diminishing to 5 kt after midnight.
waves 2 to 3 ft...subsiding to 1 ft after midnight. 
.tue...sw winds around 5 kt. waves 1 ft or less.  

$$

fzus51 klwx 252057
cwflwx
expires:202609260800;;050718

coastal waters forecast
national weather service baltimore md/washington dc
457 pm edt fri sep 25 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.


anz535-260800-
tidal potomac from key bridge to indian head-
457 pm edt fri sep 25 2026

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

.rest of this afternoon...n winds 15 kt with gusts to 20 kt. waves
2 ft. 
.tonight...n winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.sat...n winds 15 kt with gusts to 25 kt. waves 2 ft. showers
likely. 
.sat night...n winds 10 to 15 kt with gusts to 25 kt. waves 1 ft. a
chance of showers. 
.sun...nw winds 10 to 15 kt. gusts up to 30 kt... diminishing to
20 kt in the afternoon. waves 1 ft. showers likely. 
.sun night...nw winds 10 to 15 kt. gusts up to 30 kt...diminishing
to 20 kt after midnight. waves 1 ft. a chance of showers. 
.mon...nw winds 5 to 10 kt. waves 1 ft. 
.tue...sw winds around 5 kt. waves 1 ft or less.  

$$

fzus51 klwx 252057
cwflwx
expires:202609260800;;050719

coastal waters forecast
national weather service baltimore md/washington dc
457 pm edt fri sep 25 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.


anz536-260800-
tidal potomac from indian head to cobb island-
457 pm edt fri sep 25 2026

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

.rest of this afternoon...n winds 15 kt with gusts to 25 kt. waves
2 ft. 
.tonight...n winds 15 to 20 kt with gusts to 30 kt. waves 2 ft. 
.sat...n winds 15 to 20 kt with gusts to 30 kt. waves 2 ft. a chance
of showers. 
.sat night...n winds 10 to 15 kt with gusts to 25 kt. waves 1 to
2 ft. a chance of showers. 
.sun...nw winds 15 to 20 kt with gusts to 25 kt. waves 2 ft. a
chance of showers. 
.sun night...nw winds 15 to 20 kt. gusts up to 30 kt...diminishing
to 20 kt after midnight. waves 1 to 2 ft. 
.mon...nw winds 5 to 10 kt. waves 1 ft. 
.tue...sw winds around 5 kt. waves 1 ft or less.  

$$

fzus51 klwx 252057
cwflwx
expires:202609260800;;050720

coastal waters forecast
national weather service baltimore md/washington dc
457 pm edt fri sep 25 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.


anz537-260800-
tidal potomac from cobb island to smith point-
457 pm edt fri sep 25 2026

...gale warning in effect through saturday afternoon...

.rest of this afternoon...n winds 25 kt with gusts to 35 kt. waves
4 ft. 
.tonight...n winds 20 to 25 kt with gusts to 35 kt. waves 5 ft. 
.sat...n winds 20 to 25 kt with gusts to 35 kt. waves 5 ft. a chance
of showers. 
.sat night...nw winds 20 to 25 kt with gusts to 35 kt. waves 4 ft.
showers likely. 
.sun...nw winds 15 to 20 kt with gusts to 30 kt. waves 3 ft. a
chance of showers. 
.sun night...nw winds 15 to 20 kt. gusts up to 30 kt...diminishing
to 20 kt after midnight. waves 3 ft. 
.mon...nw winds 5 to 10 kt. waves 1 to 2 ft...subsiding to flat
after midnight. 
.tue...sw winds around 5 kt. waves flat.  

$$