fzus51 klwx 210627
cwflwx
expires:202607212000;;332232

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt tue jul 21 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.


anz530-212000-
chesapeake bay north of pooles island-
227 am edt tue jul 21 2026

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

.overnight...se winds 10 kt with gusts to 20 kt. waves 1 ft.
scattered showers and tstms. 
.tue...s winds 10 to 15 kt...becoming sw late. gusts up to 20 kt.
waves 2 ft. showers and numerous tstms. 
.tue night...sw winds 15 to 20 kt with gusts to 25 kt. waves 2 ft.
showers and numerous tstms. 
.wed...w winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. a
chance of showers and tstms. 
.wed night...nw winds 10 to 15 kt. waves 1 ft. a chance of showers
and tstms. 
.thu...n winds 5 to 10 kt. waves 1 ft. 
.thu night...ne winds around 5 kt. waves 1 ft. 
.fri...e winds around 5 kt. waves 1 ft. 
.sat...e 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 210627
cwflwx
expires:202607212000;;332233

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt tue jul 21 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.


anz531-212000-
chesapeake bay from pooles island to sandy point-
227 am edt tue jul 21 2026

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

.overnight...s winds 15 kt with gusts to 20 kt. waves 2 ft. numerous
showers and scattered tstms. 
.tue...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. showers
and numerous tstms. 
.tue night...sw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
showers and numerous tstms. 
.wed...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. a
chance of showers and tstms. 
.wed night...nw winds 10 to 15 kt. gusts up to 20 kt. waves 1 to
2 ft. a chance of showers and tstms. 
.thu...n winds 10 to 15 kt. waves 1 to 2 ft. 
.thu night...ne winds 5 kt. waves less than 1 ft. 
.fri...e winds 5 to 10 kt. waves 1 ft. 
.sat...e winds 5 kt. waves less than 1 ft. a chance of showers
through the night.  

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

$$

fzus51 klwx 210627
cwflwx
expires:202607212000;;332236

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt tue jul 21 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.


anz532-212000-
chesapeake bay from sandy point to north beach-
227 am edt tue jul 21 2026

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

.overnight...s winds 15 kt with gusts to 20 kt. waves 2 ft.
scattered showers and tstms. 
.tue...s winds 10 to 15 kt with gusts to 25 kt. waves 2 to 3 ft.
numerous showers and tstms. 
.tue night...sw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
showers and numerous tstms. 
.wed...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. a
chance of showers and tstms. 
.wed night...nw winds 10 to 15 kt. gusts up to 20 kt. waves 1 to
2 ft. a chance of showers and tstms. 
.thu...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.thu night...ne winds 5 to 10 kt. waves 1 ft. 
.fri...e winds 5 to 10 kt. waves 1 ft. 
.sat...e winds 5 to 10 kt...becoming se after midnight. waves 1 ft.
a chance of showers through the night.  

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

$$

fzus51 klwx 210627
cwflwx
expires:202607212000;;332238

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt tue jul 21 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.


anz533-212000-
chesapeake bay from north beach to drum point-
227 am edt tue jul 21 2026

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

.overnight...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
scattered showers and tstms. 
.tue...s winds 15 to 20 kt with gusts to 25 kt. waves 2 to 3 ft.
numerous showers and tstms. 
.tue night...sw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
showers and numerous tstms. 
.wed...sw winds 15 to 20 kt with gusts to 25 kt... diminishing to
5 to 10 kt in the afternoon. waves 2 to 3 ft. showers likely with a
chance of tstms. 
.wed night...nw winds 10 to 15 kt. gusts up to 20 kt. waves 1 to
2 ft. showers likely with a chance of tstms. 
.thu...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.thu night...ne winds 5 to 10 kt. waves 1 ft. 
.fri...e winds 5 to 10 kt. waves 1 ft. 
.sat...e winds 5 to 10 kt...becoming s after midnight. waves 1 ft.  

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

$$