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fzus51 klwx 201828
cwflwx
expires:202607210800;;301867

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


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

...small craft advisory in effect from 8 pm edt this evening through
late tuesday night...

.this afternoon...se winds 5 kt. waves flat. 
.tonight...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.tue...s winds 10 to 15 kt with gusts to 25 kt. waves 2 to 3 ft.
widespread showers and scattered tstms. 
.tue night...sw winds 10 to 15 kt with gusts to 25 kt. waves 2 to
3 ft. widespread showers and scattered tstms. 
.wed...sw winds 10 to 15 kt with gusts to 20 kt. waves 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. 
.thu...n winds 10 to 15 kt...becoming ne 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.

$$
fzus51 klwx 201828
cwflwx
expires:202607210800;;301870

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


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

...small craft advisory in effect from 8 pm edt this evening through
late tuesday night...

.this afternoon...se winds 5 kt. waves flat. 
.tonight...s winds 10 to 15 kt. gusts up to 20 kt. waves 2 to 3 ft. 
.tue...s winds 10 to 15 kt with gusts to 25 kt. waves 2 to 3 ft.
widespread showers and scattered tstms. 
.tue night...sw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
widespread showers and scattered tstms. 
.wed...sw winds 10 to 15 kt with gusts to 25 kt. waves 2 to 3 ft.
scattered showers. 
.wed night...nw winds 10 to 15 kt. gusts up to 20 kt. waves 1 to
2 ft. 
.thu...n winds 10 to 15 kt...becoming ne 5 to 10 kt. 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.

$$
fzus51 klwx 201828
cwflwx
expires:202607210800;;301872

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


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

...small craft advisory in effect from 8 pm edt this evening through
late tuesday night...

.this afternoon...se winds 5 kt. waves less than 1 ft. 
.tonight...s winds 5 to 10 kt...increasing to 10 to 15 kt in the
late evening and overnight. gusts up to 20 kt. waves 3 ft.
.tue...s winds 15 to 20 kt with gusts to 25 kt. waves 2 to 3 ft.
widespread showers and scattered tstms. 
.tue night...sw winds 15 to 20 kt with gusts to 30 kt. waves 3 ft.
widespread showers and scattered tstms. 
.wed...sw winds 10 to 15 kt with gusts to 25 kt. waves 2 to 3 ft.
showers and tstms likely. 
.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...becoming ne 5 to 10 kt. 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.

$$
fzus51 klwx 201828
cwflwx
expires:202607210800;;301875

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


anz534-210800-
chesapeake bay from drum point to smith point-
227 pm edt mon jul 20 2026

...small craft advisory in effect from 8 pm edt this evening through
late tuesday night...

.this afternoon...se winds 5 to 10 kt. waves 1 ft. isolated showers
and tstms. 
.tonight...s winds 10 to 15 kt with gusts to 20 kt. waves 3 ft.
scattered showers. 
.tue...s winds 15 to 20 kt. gusts up to 25 kt... increasing to 30 kt
late. waves 3 ft. widespread showers and scattered tstms. 
.tue night...sw winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
widespread showers and scattered tstms. 
.wed...sw winds 15 to 20 kt with gusts to 30 kt. waves 4 ft. showers
and tstms likely. 
.wed night...w winds 10 to 15 kt...becoming nw after midnight. gusts
up to 25 kt. waves 3 ft. showers with a chance of tstms. 
.thu...n winds 10 to 15 kt...becoming ne 5 to 10 kt. waves 2 to
3 ft...subsiding to 1 ft after midnight. a chance of showers in the
morning. 
.fri...e winds 5 to 10 kt. waves 1 ft.  

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

$$
fzus51 klwx 201828
cwflwx
expires:202607210800;;301863

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


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

...small craft advisory in effect from tuesday afternoon through
tuesday evening...

.this afternoon...s winds 5 kt. waves less than 1 ft. 
.tonight...s winds 5 to 10 kt. waves 1 ft. scattered showers.
.tue...s winds 10 to 15 kt. gusts up to 20 kt in the late morning
and afternoon. waves 1 ft. widespread showers and scattered tstms. 
.tue night...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft.
widespread showers and scattered tstms. 
.wed...sw 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 201828
cwflwx
expires:202607210800;;301864

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


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

...small craft advisory in effect from tuesday afternoon through
tuesday evening...

.this afternoon...se winds 5 kt. waves less than 1 ft. 
.tonight...se winds 5 to 10 kt. waves 1 ft. scattered showers. 
.tue...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
widespread showers and scattered tstms. 
.tue night...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft.
widespread showers and scattered tstms. 
.wed...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. showers
and tstms likely. 
.wed night...nw winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.thu...ne winds 5 to 10 kt. waves 1 ft. 
.fri...e winds around 5 kt. waves 1 ft.  

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

$$
fzus51 klwx 201828
cwflwx
expires:202607210800;;301865

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


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

...small craft advisory in effect from 8 pm edt this evening through
late tuesday night...

.this afternoon...se winds 5 to 10 kt. waves 1 ft. isolated showers
and tstms. 
.tonight...se winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
scattered showers. 
.tue...sw winds 15 to 20 kt with gusts to 25 kt. waves 2 ft.
widespread showers and scattered tstms. 
.tue night...sw winds 15 to 20 kt with gusts to 30 kt. waves 2 to
3 ft. widespread showers and scattered tstms. 
.wed...sw winds 15 to 20 kt with gusts to 25 kt. waves 2 ft. showers
and tstms likely. 
.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...becoming ne 5 to 10 kt. waves 1 to
2 ft. a chance of showers in the morning. 
.fri...e winds 5 to 10 kt. waves 1 ft.  

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

$$
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