fzus51 klwx 222059
cwflwx
expires:202607230800;;428906

coastal waters forecast
national weather service baltimore md/washington dc
458 pm edt wed jul 22 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.


anz531-230800-
chesapeake bay from pooles island to sandy point-
458 pm edt wed jul 22 2026

...small craft advisory in effect through thursday morning...

.rest of this afternoon...nw winds 10 kt with gusts to 20 kt. waves
1 ft. scattered showers with isolated tstms.
.tonight...nw winds 10 to 15 kt...becoming n after midnight. gusts
up to 20 kt. waves 1 to 2 ft. scattered showers and tstms. 
.thu...n winds 10 to 15 kt with gusts to 20 kt... becoming ne 5 kt
late. waves 1 to 2 ft. 
.thu night...e winds around 5 kt. waves flat. 
.fri...e winds around 5 kt. waves 1 ft. 
.fri night...e winds 5 to 10 kt. waves 1 ft. 
.sat...e winds 5 kt...becoming s. waves 1 ft. 
.sun...s winds 5 to 10 kt. waves 1 ft or less. a chance of showers
through the night.  

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

$$

fzus51 klwx 222059
cwflwx
expires:202607230800;;428909

coastal waters forecast
national weather service baltimore md/washington dc
458 pm edt wed jul 22 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.


anz532-230800-
chesapeake bay from sandy point to north beach-
458 pm edt wed jul 22 2026

...small craft advisory in effect through thursday morning...

.rest of this afternoon...w winds 10 kt with gusts to 20 kt. waves
1 ft. scattered showers and tstms. 
.tonight...nw winds 5 to 10 kt...becoming n 15 kt after midnight.
gusts up to 20 kt. waves 1 to 2 ft. scattered showers and tstms. 
.thu...n winds 10 to 15 kt with gusts to 20 kt... becoming ne 5 kt
late. waves 1 to 2 ft. 
.thu night...e winds around 5 kt. waves 1 ft or less. 
.fri...e winds 5 to 10 kt. waves 1 ft. 
.fri night...e winds 5 to 10 kt. waves 1 ft. 
.sat...e winds around 5 kt. waves 1 ft. 
.sun...s winds 5 to 10 kt. waves 1 ft or less. a chance of showers
through the night.  

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

$$

fzus51 klwx 222059
cwflwx
expires:202607230800;;428911

coastal waters forecast
national weather service baltimore md/washington dc
458 pm edt wed jul 22 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.


anz533-230800-
chesapeake bay from north beach to drum point-
458 pm edt wed jul 22 2026

...small craft advisory in effect through thursday morning...

.rest of this afternoon...sw winds 10 kt with gusts to 20 kt. waves
1 ft. numerous showers and scattered tstms. 
.tonight...w winds 5 to 10 kt...becoming n 15 to 20 kt after
midnight. waves 1 ft...building to 3 ft after midnight. scattered
showers and tstms. 
.thu...n winds 10 to 15 kt with gusts to 20 kt. waves 2 to 3 ft. 
.thu night...e winds 5 kt. waves less than 1 ft. 
.fri...e winds 5 to 10 kt. waves 1 ft. 
.fri night...e winds 5 to 10 kt. waves 1 ft. 
.sat...e winds around 5 kt. waves 1 ft. 
.sun...se winds 5 to 10 kt...becoming sw after midnight. waves 1 ft
or less. a chance of showers through the night. 

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

$$

fzus51 klwx 222059
cwflwx
expires:202607230800;;428914

coastal waters forecast
national weather service baltimore md/washington dc
458 pm edt wed jul 22 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.


anz534-230800-
chesapeake bay from drum point to smith point-
458 pm edt wed jul 22 2026

...small craft advisory in effect through thursday morning...

.rest of this afternoon...sw winds 10 kt with gusts to 20 kt. waves
2 ft. showers and scattered tstms. 
.tonight...sw winds 5 to 10 kt...becoming n 10 to 15 kt after
midnight. gusts up to 20 kt. waves 2 to 3 ft. showers and scattered
tstms. 
.thu...n winds 10 to 15 kt with gusts to 20 kt. waves 2 to 3 ft. a
chance of showers. 
.thu night...ne winds 5 to 10 kt. waves 1 ft. 
.fri...e winds 5 to 10 kt. waves 1 ft. 
.fri night...e winds 5 to 10 kt. waves 1 ft. 
.sat...e winds 5 to 10 kt. waves 1 ft. 
.sun...e winds 5 kt...becoming s. waves 1 ft or less. a chance of
showers through the night.  

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

$$

fzus51 klwx 222059
cwflwx
expires:202607230800;;428902

coastal waters forecast
national weather service baltimore md/washington dc
458 pm edt wed jul 22 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.


anz535-230800-
tidal potomac from key bridge to indian head-
458 pm edt wed jul 22 2026

...small craft advisory in effect until 9 pm edt this evening...

.rest of this afternoon...nw winds 10 kt with gusts to 20 kt. waves
1 ft. numerous showers and scattered tstms. 
.tonight...n winds 5 to 10 kt. gusts up to 20 kt early in the
evening. waves 1 ft. scattered showers and tstms. 
.thu...n winds 5 to 10 kt. waves 1 ft. 
.thu night...ne winds around 5 kt. waves 1 ft or less. 
.fri...e winds around 5 kt. waves 1 ft. 
.fri night...e winds around 5 kt. waves 1 ft or less. 
.sat...se winds around 5 kt. waves 1 ft or less. 
.sun...s winds around 5 kt. waves 1 ft. a chance of showers through
the night.  

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

$$

fzus51 klwx 222059
cwflwx
expires:202607230800;;428903

coastal waters forecast
national weather service baltimore md/washington dc
458 pm edt wed jul 22 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.


anz536-230800-
tidal potomac from indian head to cobb island-
458 pm edt wed jul 22 2026

...small craft advisory in effect until 9 pm edt this evening...

.rest of this afternoon...w winds 10 kt with gusts to 20 kt. waves
1 ft. numerous showers and scattered tstms. 
.tonight...sw winds 5 to 10 kt...becoming n in the late evening and
overnight. gusts up to 20 kt. waves 1 ft. scattered showers and
tstms. 
.thu...n winds 5 to 10 kt. waves 1 ft. 
.thu night...ne winds around 5 kt. waves 1 ft or less. 
.fri...e winds around 5 kt. waves 1 ft. 
.fri night...e winds around 5 kt. waves 1 ft. 
.sat...se winds around 5 kt. waves 1 ft or less. 
.sun...s winds around 5 kt. waves 1 ft or less. a chance of showers
through the night.  

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

$$

fzus51 klwx 222059
cwflwx
expires:202607230800;;428904

coastal waters forecast
national weather service baltimore md/washington dc
458 pm edt wed jul 22 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.


anz537-230800-
tidal potomac from cobb island to smith point-
458 pm edt wed jul 22 2026

...small craft advisory in effect through thursday morning...

.rest of this afternoon...sw winds 10 kt with gusts to 20 kt. waves
1 ft. numerous showers and scattered tstms. 
.tonight...w winds 5 to 10 kt...becoming n 10 to 15 kt after
midnight. gusts up to 20 kt. waves 1 to 2 ft. showers and scattered
tstms. 
.thu...n winds 10 to 15 kt. gusts up to 20 kt until late afternoon.
waves 1 to 2 ft. a chance of showers. 
.thu night...ne winds 5 kt. waves less than 1 ft. 
.fri...e winds 5 to 10 kt. waves 1 ft. 
.fri night...e winds 5 to 10 kt. waves 1 ft. 
.sat...e winds 5 to 10 kt...becoming s after midnight. waves 1 ft. 
.sun...s winds around 5 kt. waves 1 ft or less. a chance of showers
through the night.  

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

$$