fzus51 klwx 191827
cwflwx
expires:202608200800;;003721

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt wed aug 19 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.


anz531-200800-
chesapeake bay from pooles island to sandy point-
227 pm edt wed aug 19 2026

.this afternoon...sw winds 5 kt. waves less than 1 ft. 
.tonight...sw winds around 5 kt. waves 1 ft or less. 
.thu...se winds 5 kt. waves less than 1 ft. showers likely with a
chance of tstms. 
.thu night...n winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms. 
.fri...ne winds 5 to 10 kt. waves 1 ft. 
.fri night...e winds 5 to 10 kt. waves 1 ft. showers likely. 
.sat...se winds 5 kt. waves less than 1 ft. showers likely. a chance
of tstms. a chance of showers after midnight. 
.sun...w winds 5 to 10 kt. waves 1 ft.  

winds and waves higher and visibilities lower in and near tstms.

$$

fzus51 klwx 191827
cwflwx
expires:202608200800;;003724

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt wed aug 19 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.


anz532-200800-
chesapeake bay from sandy point to north beach-
227 pm edt wed aug 19 2026

.this afternoon...sw winds 5 kt. waves flat. 
.tonight...s winds around 5 kt. waves 1 ft. 
.thu...s winds 5 to 10 kt. waves 1 ft. showers likely with a chance
of tstms. 
.thu night...n winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms. 
.fri...ne winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.fri night...e winds 5 to 10 kt. waves 1 ft. showers likely. 
.sat...se winds 5 kt. waves less than 1 ft. showers likely. a chance
of tstms. a chance of showers after midnight. 
.sun...w winds 5 to 10 kt. waves 1 ft.  

winds and waves higher and visibilities lower in and near tstms.

$$

fzus51 klwx 191827
cwflwx
expires:202608200800;;003726

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt wed aug 19 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.


anz533-200800-
chesapeake bay from north beach to drum point-
227 pm edt wed aug 19 2026

...small craft advisory in effect thursday afternoon...

.this afternoon...nw winds 5 kt. waves less than 1 ft. 
.tonight...s winds 5 kt. waves less than 1 ft. 
.thu...s winds 5 to 10 kt. gusts up to 20 kt in the late morning and
afternoon. waves 1 ft. showers likely with a chance of tstms. 
.thu night...n winds 5 to 10 kt. waves 1 ft. showers with a chance
of tstms. 
.fri...ne winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.fri night...e winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms. 
.sat...s winds 5 kt. waves less than 1 ft. showers likely. a chance
of tstms. a chance of showers after midnight. 
.sun...w winds 5 to 10 kt. waves 1 ft. a chance of showers and tstms
through the night.  

winds and waves higher and visibilities lower in and near tstms.

$$

fzus51 klwx 191827
cwflwx
expires:202608200800;;003729

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt wed aug 19 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.


anz534-200800-
chesapeake bay from drum point to smith point-
227 pm edt wed aug 19 2026

...small craft advisory in effect thursday afternoon...

.this afternoon...nw winds 5 kt. waves less than 1 ft. 
.tonight...s winds 5 to 10 kt. waves 1 ft. 
.thu...s winds 5 to 10 kt with gusts to 20 kt. waves 1 ft. a chance
of showers and tstms. 
.thu night...s winds 5 to 10 kt with gusts to 20 kt... becoming nw
after midnight. waves 1 ft. showers and tstms likely. 
.fri...n winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.fri night...e winds 5 to 10 kt. waves 1 ft. showers with a chance
of tstms. 
.sat...s winds 5 to 10 kt. waves 1 ft. showers. a chance of tstms
through the night. a chance of showers after midnight. 
.sun...w winds 5 to 10 kt. waves 1 ft. a chance of showers and tstms
through the night.  

winds and waves higher and visibilities lower in and near tstms.

$$

fzus51 klwx 191827
cwflwx
expires:202608200800;;003717

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt wed aug 19 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.


anz535-200800-
tidal potomac from key bridge to indian head-
227 pm edt wed aug 19 2026

.this afternoon...w winds 5 kt. waves less than 1 ft. 
.tonight...sw winds around 5 kt. waves 1 ft or less. 
.thu...s winds around 5 kt. waves 1 ft. showers with a chance of
tstms. 
.thu night...n winds around 5 kt. waves 1 ft. showers likely with a
chance of tstms. 
.fri...ne winds 5 kt. waves less than 1 ft. a chance of showers. 
.fri night...e winds around 5 kt. waves 1 ft or less. showers
likely. 
.sat...sw winds around 5 kt. waves 1 ft or less. showers likely. a
chance of tstms. a chance of showers after midnight. 
.sun...nw winds around 5 kt. waves 1 ft.  

winds and waves higher and visibilities lower in and near tstms.

$$

fzus51 klwx 191827
cwflwx
expires:202608200800;;003718

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt wed aug 19 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.


anz536-200800-
tidal potomac from indian head to cobb island-
227 pm edt wed aug 19 2026

.this afternoon...w winds 5 kt. waves less than 1 ft. 
.tonight...s winds around 5 kt. waves 1 ft or less. 
.thu...s winds around 5 kt. waves 1 ft. showers likely with a chance
of tstms. 
.thu night...n winds around 5 kt. waves 1 ft. showers likely with a
chance of tstms. 
.fri...ne winds around 5 kt. waves 1 ft. a chance of showers. 
.fri night...e winds around 5 kt. waves 1 ft. showers with a chance
of tstms. 
.sat...sw winds around 5 kt. waves 1 ft or less. showers. a chance
of tstms. a chance of showers after midnight. 
.sun...nw winds around 5 kt. waves 1 ft.  

winds and waves higher and visibilities lower in and near tstms.

$$

fzus51 klwx 191827
cwflwx
expires:202608200800;;003719

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt wed aug 19 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.


anz537-200800-
tidal potomac from cobb island to smith point-
227 pm edt wed aug 19 2026

.this afternoon...nw winds 5 kt. waves less than 1 ft. 
.tonight...s winds 5 to 10 kt. waves 1 ft. 
.thu...s winds 5 kt. waves less than 1 ft. showers likely with a
chance of tstms. 
.thu night...nw winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms. 
.fri...n winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.fri night...e winds 5 to 10 kt. waves 1 ft. showers with a chance
of tstms. 
.sat...s winds 5 kt. waves less than 1 ft. showers. a chance of
tstms through the night. 
.sun...w winds 5 to 10 kt. waves 1 ft or less. a chance of showers
and tstms through the night.  

winds and waves higher and visibilities lower in and near tstms.

$$