fzus51 klwx 200858
cwflwx
expires:202607202300;;280906

coastal waters forecast
national weather service baltimore md/washington dc
458 am edt mon jul 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.


anz531-202300-
chesapeake bay from pooles island to sandy point-
458 am edt mon jul 20 2026

...small craft advisory in effect from this evening through late
tonight...

.rest of the overnight...ne winds 10 kt. waves 1 ft. 
.today...e winds 5 to 10 kt...becoming s late. waves 1 ft.
.tonight...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers likely. 
.tue...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. showers
with tstms likely. 
.tue night...sw winds 15 to 20 kt with gusts to 25 kt. waves 2 ft.
showers with a chance of 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...n winds 10 to 15 kt. waves 1 to 2 ft. 
.thu...ne winds 10 to 15 kt...diminishing to around 5 kt after
midnight. waves 1 to 2 ft...subsiding to flat after midnight. 
.fri...e winds around 5 kt. waves 1 ft or less.  

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

$$

fzus51 klwx 200858
cwflwx
expires:202607202300;;280909

coastal waters forecast
national weather service baltimore md/washington dc
458 am edt mon jul 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.


anz532-202300-
chesapeake bay from sandy point to north beach-
458 am edt mon jul 20 2026

...small craft advisory in effect from this evening through late
tonight...

.rest of the overnight...ne winds 5 kt. waves less than 1 ft. 
.today...e winds 5 to 10 kt...becoming se late. waves 1 ft. 
.tonight...s winds 10 to 15 kt with gusts to 20 kt. waves 3 ft.
showers likely with a chance of tstms. 
.tue...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. showers
and tstms likely. 
.tue night...sw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
showers with a chance of tstms. 
.wed...w winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
showers likely. 
.wed night...nw winds 10 to 15 kt. waves 1 to 2 ft. 
.thu...ne winds 10 to 15 kt...diminishing to 5 kt after midnight.
waves 1 to 2 ft. 
.fri...e winds 5 kt. waves less than 1 ft.  

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

$$

fzus51 klwx 200858
cwflwx
expires:202607202300;;280911

coastal waters forecast
national weather service baltimore md/washington dc
458 am edt mon jul 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.


anz533-202300-
chesapeake bay from north beach to drum point-
458 am edt mon jul 20 2026

...small craft advisory in effect from this evening through late
tonight...

.rest of the overnight...ne winds 5 kt. waves less than 1 ft. 
.today...e winds 5 to 10 kt. waves 1 ft. 
.tonight...s winds 10 to 15 kt with gusts to 20 kt. waves 2 to 3 ft.
showers likely with a chance of tstms. 
.tue...s winds 10 to 15 kt. gusts up to 25 kt in the afternoon.
waves 2 ft. showers and tstms likely. 
.tue night...sw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
showers with a chance of tstms. 
.wed...w winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. showers
with a chance of tstms. 
.wed night...nw winds 10 to 15 kt. gusts up to 20 kt. waves 1 to
2 ft. 
.thu...ne winds 10 to 15 kt...diminishing to 5 kt after midnight.
waves 1 to 2 ft. 
.fri...e winds around 5 kt. waves 1 ft.  

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

$$

fzus51 klwx 200858
cwflwx
expires:202607202300;;280914

coastal waters forecast
national weather service baltimore md/washington dc
458 am edt mon jul 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.


anz534-202300-
chesapeake bay from drum point to smith point-
458 am edt mon jul 20 2026

...small craft advisory in effect from this evening through late
tonight...

.rest of the overnight...ne winds 10 kt. waves 1 ft. 
.today...e winds 5 to 10 kt. waves 1 ft. 
.tonight...se winds 10 to 15 kt...becoming s late. gusts up to
20 kt. waves 3 ft. showers likely with a chance of tstms. 
.tue...sw winds 10 to 15 kt with gusts to 25 kt. waves 2 to 3 ft.
showers and tstms likely. 
.tue night...sw winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
showers with a chance of tstms. 
.wed...sw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. showers
with a chance of tstms. 
.wed night...nw winds 10 to 15 kt. gusts up to 20 kt. waves 2 ft.
showers likely. 
.thu...ne winds 10 to 15 kt. waves 1 to 2 ft. a chance of showers in
the morning. 
.fri...ne winds 5 to 10 kt. waves 1 ft.  

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

$$

fzus51 klwx 200858
cwflwx
expires:202607202300;;280902

coastal waters forecast
national weather service baltimore md/washington dc
458 am edt mon jul 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.


anz535-202300-
tidal potomac from key bridge to indian head-
458 am edt mon jul 20 2026

.rest of the overnight...ne winds 5 kt. waves less than 1 ft. 
.today...e winds around 5 kt. waves 1 ft. 
.tonight...s winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms. 
.tue...s winds 5 to 10 kt with gusts to 20 kt. waves 1 ft. showers
with tstms likely. 
.tue night...sw winds 5 to 10 kt with gusts to 20 kt. waves 1 ft.
showers with a chance of tstms. 
.wed...w winds 5 to 10 kt. waves 1 ft. showers likely with a chance
of tstms. 
.wed night...n winds 5 to 10 kt. waves 1 ft. 
.thu...ne winds around 5 kt. waves 1 ft or less. 
.fri...e winds around 5 kt. waves 1 ft or less.  

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

$$

fzus51 klwx 200858
cwflwx
expires:202607202300;;280903

coastal waters forecast
national weather service baltimore md/washington dc
458 am edt mon jul 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.


anz536-202300-
tidal potomac from indian head to cobb island-
458 am edt mon jul 20 2026

.rest of the overnight...ne winds 5 kt. waves less than 1 ft. 
.today...e winds 5 to 10 kt. waves 1 ft. 
.tonight...s winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms. 
.tue...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. showers
and tstms likely. 
.tue night...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft.
showers with a chance of tstms. 
.wed...w winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms. 
.wed night...nw winds 5 to 10 kt. waves 1 ft. 
.thu...ne winds 5 to 10 kt. waves 1 ft or less. 
.fri...e winds around 5 kt. waves 1 ft or less.  

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

$$

fzus51 klwx 200858
cwflwx
expires:202607202300;;280904

coastal waters forecast
national weather service baltimore md/washington dc
458 am edt mon jul 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.


anz537-202300-
tidal potomac from cobb island to smith point-
458 am edt mon jul 20 2026

...small craft advisory in effect from this evening through late
tonight...

.rest of the overnight...ne winds 10 kt. waves 1 ft. 
.today...e winds 5 to 10 kt. waves 1 ft. 
.tonight...se winds 10 to 15 kt...becoming s late. gusts up to
20 kt. waves 2 ft. showers likely with a chance of tstms. 
.tue...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
showers and tstms likely. 
.tue night...sw winds 15 to 20 kt with gusts to 25 kt. waves 2 ft.
showers with a chance of tstms. 
.wed...sw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. showers
with a chance of tstms. 
.wed night...nw winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.thu...ne winds 10 to 15 kt...diminishing to 5 kt after midnight.
waves 1 to 2 ft. 
.fri...e winds 5 to 10 kt. waves 1 ft.  

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

$$