fzus51 klwx 201458
cwflwx
expires:202608202000;;053852

coastal waters forecast
national weather service baltimore md/washington dc
1057 am edt thu aug 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.


anz531-202000-
chesapeake bay from pooles island to sandy point-
1057 am edt thu aug 20 2026

...small craft advisory in effect from 2 pm this afternoon to 8 pm
edt this evening...

.rest of today...se winds 5 to 10 kt with gusts to 20 kt...becoming
s with gusts to 20 kt late. waves 1 ft or less. isolated showers and
tstms late this morning, then showers and scattered tstms this
afternoon. 
.tonight...n winds 10 kt. gusts up to 20 kt in the evening. waves
1 ft. numerous showers and scattered tstms. patchy fog. vsby 1 nm or
less. 
.fri...ne winds 5 to 10 kt. waves 1 ft. 
.fri night...e winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms. 
.sat...e winds 5 to 10 kt. waves 1 ft. showers likely with a chance
of tstms. 
.sat night...s winds around 5 kt. waves 1 ft or less. a chance of
showers and tstms. 
.sun...nw winds 5 to 10 kt. waves 1 ft. a chance of showers through
the night. 
.mon...nw winds 5 to 10 kt. waves 1 ft.  

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

$$

fzus51 klwx 201458
cwflwx
expires:202608202000;;053855

coastal waters forecast
national weather service baltimore md/washington dc
1057 am edt thu aug 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.


anz532-202000-
chesapeake bay from sandy point to north beach-
1057 am edt thu aug 20 2026

...small craft advisory in effect from 2 pm this afternoon to 8 pm
edt this evening...

.rest of today...s winds 5 to 10 kt. gusts up to 20 kt this
afternoon. waves 1 to 2 ft. isolated showers and tstms late this
morning, then showers and numerous tstms this afternoon. 
.tonight...n winds 5 to 10 kt. gusts up to 20 kt early in the
evening. waves 1 ft. numerous showers and tstms. patchy fog. vsby
1 nm or less. 
.fri...ne winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms. 
.fri night...e winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms. 
.sat...se winds 5 to 10 kt. waves 1 ft. showers likely with a chance
of tstms. 
.sat night...sw winds 5 kt. waves less than 1 ft. a chance of
showers and tstms. 
.sun...w winds 5 to 10 kt. waves 1 ft. a chance of showers through
the night. 
.mon...nw winds 5 to 10 kt. waves 1 ft.  

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

$$

fzus51 klwx 201458
cwflwx
expires:202608202000;;053857

coastal waters forecast
national weather service baltimore md/washington dc
1057 am edt thu aug 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.


anz533-202000-
chesapeake bay from north beach to drum point-
1057 am edt thu aug 20 2026

...small craft advisory in effect from 2 pm this afternoon to 8 pm
edt this evening...

.rest of today...s winds 10 kt. gusts up to 20 kt this afternoon.
waves 1 to 2 ft. isolated showers and tstms late this morning, then
showers and numerous tstms this afternoon. 
.tonight...n winds 5 to 10 kt. gusts up to 20 kt early in the
evening. waves 1 to 2 ft. numerous showers and tstms. patchy fog.
vsby 1 nm or less. 
.fri...ne winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.fri night...e winds 5 to 10 kt. waves 1 ft. showers with a chance
of tstms. 
.sat...se winds 5 kt. waves less than 1 ft. showers likely with a
chance of tstms. 
.sat night...sw winds 5 kt. waves less than 1 ft. a chance of
showers and tstms. 
.sun...w winds 5 to 10 kt. waves 1 ft. a chance of showers through
the night. 
.mon...nw winds 5 to 10 kt. waves 1 ft.  

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

$$

fzus51 klwx 201458
cwflwx
expires:202608202000;;053860

coastal waters forecast
national weather service baltimore md/washington dc
1057 am edt thu aug 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.


anz534-202000-
chesapeake bay from drum point to smith point-
1057 am edt thu aug 20 2026

...small craft advisory in effect from 2 pm this afternoon to 8 pm
edt this evening...

.rest of today...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft. isolated showers late this morning, then scattered showers and
tstms this afternoon. 
.tonight...sw winds 10 to 15 kt with gusts to 20 kt... becoming n
5 to 10 kt in the late evening and overnight. waves 1 to 2 ft.
scattered showers and tstms. patchy fog. vsby 1 nm or less. 
.fri...n winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.fri night...se winds 5 to 10 kt. waves 1 ft. showers with a chance
of tstms. 
.sat...s winds 5 to 10 kt. waves 1 ft. showers likely with a chance
of tstms. 
.sat night...sw winds 5 to 10 kt. waves 1 ft. a chance of showers
and tstms. 
.sun...w winds 5 to 10 kt. waves 1 ft. a chance of showers through
the night. 
.mon...nw winds 5 to 10 kt. waves 1 ft.  

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

$$

fzus51 klwx 201458
cwflwx
expires:202608202000;;053848

coastal waters forecast
national weather service baltimore md/washington dc
1057 am edt thu aug 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.


anz535-202000-
tidal potomac from key bridge to indian head-
1057 am edt thu aug 20 2026

...small craft advisory in effect from 2 pm this afternoon to 8 pm
edt this evening...

.rest of today...s winds 5 to 10 kt with gusts to 20 kt... becoming
w with gusts to 20 kt late. waves 1 ft. isolated showers and tstms
late this morning, then showers and scattered tstms this afternoon. 
.tonight...n winds 5 to 10 kt. gusts up to 20 kt early in the
evening. waves 1 ft. numerous showers and scattered tstms. patchy
fog. vsby 1 nm or less. 
.fri...ne winds 5 kt. waves less than 1 ft. a chance of showers and
tstms. 
.fri night...e winds around 5 kt. waves 1 ft. showers likely with a
chance of tstms. 
.sat...se winds around 5 kt. waves 1 ft. showers likely. 
.sat night...sw winds around 5 kt. waves 1 ft or less. a chance of
showers. 
.sun...nw winds around 5 kt. waves 1 ft. a chance of showers through
the night. 
.mon...nw winds around 5 kt. waves 1 ft.  

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

$$

fzus51 klwx 201458
cwflwx
expires:202608202000;;053849

coastal waters forecast
national weather service baltimore md/washington dc
1057 am edt thu aug 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.


anz536-202000-
tidal potomac from indian head to cobb island-
1057 am edt thu aug 20 2026

...small craft advisory in effect from 2 pm this afternoon to 8 pm
edt this evening...

.rest of today...s winds 5 to 10 kt. gusts up to 20 kt this
afternoon. waves 1 ft. isolated showers and tstms late this morning,
then numerous showers and scattered tstms this afternoon. 
.tonight...n winds 5 to 10 kt. gusts up to 20 kt early in the
evening. waves 1 ft. numerous showers and scattered tstms. patchy
fog. vsby 1 nm or less. 
.fri...ne winds around 5 kt. waves 1 ft. a chance of showers. 
.fri night...e winds around 5 kt. waves 1 ft. showers with a chance
of tstms. 
.sat...s winds around 5 kt. waves 1 ft. showers likely. 
.sat night...sw winds around 5 kt. waves 1 ft or less. a chance of
showers. 
.sun...nw winds around 5 kt. waves 1 ft. a chance of showers through
the night. 
.mon...nw winds around 5 kt. waves 1 ft.  

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

$$

fzus51 klwx 201458
cwflwx
expires:202608202000;;053850

coastal waters forecast
national weather service baltimore md/washington dc
1057 am edt thu aug 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.


anz537-202000-
tidal potomac from cobb island to smith point-
1057 am edt thu aug 20 2026

...small craft advisory in effect from 2 pm this afternoon to 8 pm
edt this evening...

.rest of today...s winds 5 to 10 kt. gusts up to 20 kt this
afternoon. waves 1 to 2 ft. isolated showers late this morning, then
numerous showers and scattered tstms this afternoon. 
.tonight...sw winds 5 to 10 kt with gusts to 20 kt... becoming n in
the late evening and overnight. waves 1 to 2 ft. numerous showers
and scattered tstms. patchy fog. vsby 1 nm or less. 
.fri...ne winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.fri night...se winds 5 kt. waves less than 1 ft. showers with a
chance of tstms. 
.sat...s winds 5 kt. waves less than 1 ft. showers likely with a
chance of tstms. 
.sat night...sw winds 5 kt. waves flat. a chance of showers. 
.sun...w winds 5 to 10 kt. waves 1 ft or less. a chance of showers
through the night. 
.mon...nw winds 5 to 10 kt...becoming w. waves 1 ft or less.  

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

$$