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coastal waters forecast
national weather service baltimore md/washington dc
227 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-
227 pm edt fri sep 25 2026

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

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

$$

fzus51 klwx 251827
cwflwx
expires:202609260800;;043477

coastal waters forecast
national weather service baltimore md/washington dc
227 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-
227 pm edt fri sep 25 2026

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

.this afternoon...n winds 20 kt with gusts to 30 kt. waves 4 ft. 
.tonight...n winds 20 to 25 kt with gusts to 35 kt. waves 4 ft. 
.sat...n winds 20 to 25 kt with gusts to 35 kt. waves 5 ft. rain.
.sat night...n winds 20 to 25 kt with gusts to 35 kt. waves 5 ft...
subsiding to 3 ft after midnight. rain likely. 
.sun...nw winds 15 to 20 kt with gusts to 30 kt. waves 3 ft. rain
likely. 
.sun night...nw winds 15 to 20 kt with gusts to 30 kt. waves 3 ft. a
chance of rain. 
.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 251827
cwflwx
expires:202609260800;;043479

coastal waters forecast
national weather service baltimore md/washington dc
227 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-
227 pm edt fri sep 25 2026

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

.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. 
.sat...n winds 25 to 30 kt. waves 5 ft. a chance of rain. 
.sat night...n winds 20 to 25 kt with gusts to 35 kt. waves 4 ft.
rain likely. 
.sun...nw winds 20 kt with gusts to 30 kt. waves 4 ft. a chance of
rain. 
.sun night...nw winds 15 to 20 kt with gusts to 30 kt. waves 3 ft. a
chance of rain. 
.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 251827
cwflwx
expires:202609260800;;043482

coastal waters forecast
national weather service baltimore md/washington dc
227 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-
227 pm edt fri sep 25 2026

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

.this afternoon...n winds 25 kt with gusts to 35 kt. waves 5 ft. 
.tonight...n winds 25 to 30 kt. waves 6 ft. 
.sat...n winds 25 to 30 kt. waves 6 ft. rain likely. 
.sat night...n winds 25 to 30 kt. waves 5 ft. a chance of rain. 
.sun...nw winds 20 to 25 kt with gusts to 35 kt. waves 5 ft. a
chance of rain. 
.sun night...nw winds 20 to 25 kt with gusts to 35 kt. waves 4 ft. a
chance of rain. 
.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 251827
cwflwx
expires:202609260800;;043470

coastal waters forecast
national weather service baltimore md/washington dc
227 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-
227 pm edt fri sep 25 2026

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

.this afternoon...n winds 15 kt with gusts to 20 kt. waves 1 to
2 ft. 
.tonight...n winds 15 kt with gusts to 20 kt. waves 1 ft. 
.sat...n winds 15 kt with gusts to 20 kt. waves 2 ft. rain likely. 
.sat night...n winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. a
chance of rain. 
.sun...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. a
chance of rain. 
.sun night...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. a
chance of rain. 
.mon...nw winds 5 to 10 kt. waves 1 ft. 
.tue...sw winds around 5 kt. waves 1 ft or less.  

$$

fzus51 klwx 251827
cwflwx
expires:202609260800;;043471

coastal waters forecast
national weather service baltimore md/washington dc
227 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-
227 pm edt fri sep 25 2026

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

.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 rain. 
.sat night...n winds 10 to 15 kt with gusts to 25 kt. waves 1 to
2 ft. a chance of rain. 
.sun...nw winds 10 to 15 kt with gusts to 25 kt. waves 2 ft. a
chance of rain. 
.sun night...nw winds 10 to 15 kt with gusts to 20 kt. 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 251827
cwflwx
expires:202609260800;;043472

coastal waters forecast
national weather service baltimore md/washington dc
227 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-
227 pm edt fri sep 25 2026

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

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

$$