fzus51 klwx 221621
cwflwx
expires:202607230800;;416160

coastal waters forecast
national weather service baltimore md/washington dc
1221 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.


anz530-230800-
chesapeake bay north of pooles island-
1221 pm edt wed jul 22 2026

...small craft advisory in effect from 9 pm edt this evening through
thursday morning...

.this afternoon...w winds 10 kt. waves 1 ft. scattered showers with
a slight chance of tstms. 
.tonight...n winds 10 to 15 kt. gusts up to 20 kt in the late
evening and overnight. waves 1 ft. 
.thu...n winds 5 to 10 kt. waves 1 ft. 
.thu night...e winds around 5 kt. waves flat. 
.fri...e winds around 5 kt. waves flat. 
.fri night...e winds 5 to 10 kt. waves 1 ft or less. 
.sat...se winds around 5 kt. waves flat. 
.sun...s winds 5 to 10 kt. waves 1 ft or less. a chance of showers. 

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

$$

fzus51 klwx 221621
cwflwx
expires:202607230800;;416161

coastal waters forecast
national weather service baltimore md/washington dc
1221 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-
1221 pm edt wed jul 22 2026

...small craft advisory in effect from 9 pm edt this evening through
thursday morning...

.this afternoon...w winds 10 kt. waves 1 ft. scattered showers with
a slight chance of tstms. 
.tonight...nw winds 10 to 15 kt...becoming n after midnight. gusts
up to 20 kt. waves 1 to 2 ft. scattered showers with a chance of
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 221621
cwflwx
expires:202607230800;;416164

coastal waters forecast
national weather service baltimore md/washington dc
1221 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-
1221 pm edt wed jul 22 2026

...small craft advisory in effect from 9 pm edt this evening through
thursday morning...

.this afternoon...w winds 10 kt. waves 1 ft. scattered showers with
a chance of tstms. 
.tonight...nw winds 5 to 10 kt...becoming n 15 kt with gusts to
20 kt after midnight. waves 1 to 2 ft. scattered showers with a
chance of tstms. 
.thu...n winds 10 to 15 kt with gusts to 20 kt... becoming ne 5 kt
late. waves 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 221621
cwflwx
expires:202607230800;;416166

coastal waters forecast
national weather service baltimore md/washington dc
1221 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-
1221 pm edt wed jul 22 2026

...small craft advisory in effect from midnight edt tonight through
thursday morning...

.this afternoon...w winds 5 to 10 kt. waves 1 ft. numerous showers
with a chance of 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 with a chance of 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.

$$