fzus51 klwx 201827
cwflwx
expires:202605210800;;357890

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt wed may 20 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.


anz531-210800-
chesapeake bay from pooles island to sandy point-
227 pm edt wed may 20 2026

...severe thunderstorm watch 234 in effect until 8 pm edt this
evening...
...small craft advisory in effect from thursday morning through
thursday afternoon...

.this afternoon...s winds 10 kt. waves 1 ft. widespread showers and
tstms. 
.tonight...n winds 5 to 10 kt. waves 1 ft. showers likely with
scattered tstms. 
.thu...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers.
.thu night...ne winds 10 kt. waves 1 to 2 ft. a chance of showers. 
.fri...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. showers
likely. 
.fri night...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers.
.sat...e winds 10 to 15 kt. waves 1 to 2 ft. showers.
.sun...ne winds 5 kt. waves less than 1 ft. showers in the morning.
a chance of showers.  

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

$$

fzus51 klwx 201827
cwflwx
expires:202605210800;;357893

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt wed may 20 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.


anz532-210800-
chesapeake bay from sandy point to north beach-
227 pm edt wed may 20 2026

...severe thunderstorm watch 234 in effect until 8 pm edt this
evening...
...small craft advisory in effect from thursday morning through
thursday afternoon...

.this afternoon...s winds 10 kt. waves 1 to 2 ft. isolated showers
and tstms. 
.tonight...ne winds 5 to 10 kt. waves 1 to 2 ft. a chance of
showers. 
.thu...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers.
.thu night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of showers. 
.fri...e winds 15 kt with gusts to 20 kt. waves 2 ft. showers
likely. 
.fri night...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers.
.sat...e winds 10 to 15 kt...becoming ne 5 kt after midnight. waves
1 to 2 ft. showers.
.sun...ne winds 5 to 10 kt. waves 1 ft. showers in the morning. a
chance of showers.  

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

$$

fzus51 klwx 201827
cwflwx
expires:202605210800;;357895

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt wed may 20 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.


anz533-210800-
chesapeake bay from north beach to drum point-
227 pm edt wed may 20 2026

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

.this afternoon...s winds 10 kt with gusts to 20 kt. waves 1 to
2 ft. isolated showers and tstms. 
.tonight...e winds 5 to 10 kt...becoming ne after midnight. waves
1 to 2 ft. scattered showers. 
.thu...ne winds 10 to 15 kt with gusts to 20 kt. waves 3 ft. showers
likely. 
.thu night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers likely. 
.fri...e winds 15 kt with gusts to 20 kt. waves 2 ft. showers.
.fri night...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers.
.sat...e winds 10 to 15 kt...becoming ne 5 kt after midnight. waves
1 to 2 ft. showers.
.sun...ne winds 5 kt. waves less than 1 ft. showers likely, mainly
in the morning.  

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

$$

fzus51 klwx 201827
cwflwx
expires:202605210800;;357898

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt wed may 20 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.


anz534-210800-
chesapeake bay from drum point to smith point-
227 pm edt wed may 20 2026

...small craft advisory in effect until 11 pm edt this evening...
...small craft advisory in effect from thursday morning through late
thursday night...

.this afternoon...s winds 10 to 15 kt with gusts to 20 kt. waves
2 to 3 ft. isolated showers and tstms. 
.tonight...se winds 10 to 15 kt with gusts to 20 kt... becoming ne
5 to 10 kt after midnight. waves 2 to 3 ft. scattered showers. 
.thu...ne winds 10 to 15 kt. gusts up to 20 kt... increasing to
25 kt late. waves 2 to 3 ft. a chance of showers. 
.thu night...ne winds 15 kt with gusts to 25 kt. waves 3 ft. showers
likely. 
.fri...ne winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
showers.
.fri night...e winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
showers.
.sat...e winds 10 to 15 kt. waves 2 to 3 ft...subsiding to 1 ft.
showers through the day, then showers with a chance of tstms through
the night. 
.sun...ne winds 5 to 10 kt. waves 1 ft. showers likely, mainly in
the morning.  

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

$$

fzus51 klwx 201827
cwflwx
expires:202605210800;;357886

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt wed may 20 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.


anz535-210800-
tidal potomac from key bridge to indian head-
227 pm edt wed may 20 2026

...severe thunderstorm watch 234 in effect until 8 pm edt this
evening...

.this afternoon...sw winds 10 kt. waves 1 ft. numerous showers and
tstms. 
.tonight...n winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.thu...ne winds 5 to 10 kt. waves 1 ft. showers.
.thu night...ne winds 5 to 10 kt. waves 1 ft. showers likely. 
.fri...e winds 5 to 10 kt. waves 1 ft. showers.
.fri night...e winds 5 to 10 kt. waves 1 ft. showers.
.sat...ne winds 5 to 10 kt. waves 1 ft. showers.
.sun...e winds around 5 kt. waves 1 ft. showers likely, mainly in
the morning.  

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

$$

fzus51 klwx 201827
cwflwx
expires:202605210800;;357887

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt wed may 20 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.


anz536-210800-
tidal potomac from indian head to cobb island-
227 pm edt wed may 20 2026

.this afternoon...s winds 5 to 10 kt. waves 1 ft. isolated showers
and tstms. 
.tonight...nw winds 5 to 10 kt...becoming n after midnight. waves
1 ft. scattered showers. 
.thu...ne winds 5 to 10 kt. waves 1 ft. showers.
.thu night...ne winds 5 to 10 kt. waves 1 ft. showers likely. 
.fri...ne winds 10 kt. waves 1 ft. showers.
.fri night...ne winds 5 to 10 kt. waves 1 ft. showers.
.sat...ne winds 5 to 10 kt. waves 1 ft. showers.
.sun...ne winds around 5 kt. waves 1 ft. a chance of showers.  

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

$$

fzus51 klwx 201827
cwflwx
expires:202605210800;;357888

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt wed may 20 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.


anz537-210800-
tidal potomac from cobb island to smith point-
227 pm edt wed may 20 2026

...small craft advisory in effect until 11 pm edt this evening...
...small craft advisory in effect from thursday morning through late
thursday night...

.this afternoon...s winds 10 kt with gusts to 20 kt. waves 1 ft.
isolated showers and tstms. 
.tonight...se winds 10 kt with gusts to 20 kt... becoming ne after
midnight. waves 1 to 2 ft. scattered showers. 
.thu...ne winds 10 to 15 kt. gusts up to 20 kt... increasing to
25 kt late. waves 2 to 3 ft. a chance of showers. 
.thu night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 to
3 ft. showers.
.fri...ne winds 10 to 15 kt with gusts to 25 kt. waves 3 ft.
showers.
.fri night...ne winds 10 to 15 kt with gusts to 25 kt. waves 3 ft.
showers.
.sat...e winds 10 to 15 kt...becoming ne 5 kt after midnight. waves
3 ft...subsiding to 1 ft. showers. a chance of tstms through the
night. 
.sun...ne winds 5 kt. waves less than 1 ft. a chance of showers.  

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

$$