fzus51 klwx 200858
cwflwx
expires:202608202300;;040475

coastal waters forecast
national weather service baltimore md/washington dc
457 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.


anz531-202300-
chesapeake bay from pooles island to sandy point-
457 am edt thu aug 20 2026

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

.rest of the overnight...ne winds 5 kt. waves flat. 
.today...e winds 5 kt...becoming s with gusts to 20 kt in the
afternoon. waves 1 ft or less. showers and scattered tstms. 
.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 200858
cwflwx
expires:202608202300;;040478

coastal waters forecast
national weather service baltimore md/washington dc
457 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.


anz532-202300-
chesapeake bay from sandy point to north beach-
457 am edt thu aug 20 2026

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

.rest of the overnight...sw winds 5 kt. waves flat. 
.today...s winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
waves 1 to 2 ft. showers and numerous tstms. 
.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 200858
cwflwx
expires:202608202300;;040480

coastal waters forecast
national weather service baltimore md/washington dc
457 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.


anz533-202300-
chesapeake bay from north beach to drum point-
457 am edt thu aug 20 2026

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

.rest of the overnight...sw winds 5 kt. waves less than 1 ft. 
.today...s winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
waves 1 to 2 ft. showers and numerous tstms. 
.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 200858
cwflwx
expires:202608202300;;040483

coastal waters forecast
national weather service baltimore md/washington dc
457 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.


anz534-202300-
chesapeake bay from drum point to smith point-
457 am edt thu aug 20 2026

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

.rest of the overnight...s winds 15 kt. waves 1 ft. 
.today...s winds 10 to 15 kt. gusts up to 20 kt in the late morning
and afternoon. waves 1 to 2 ft. scattered showers and tstms. 
.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 200858
cwflwx
expires:202608202300;;040471

coastal waters forecast
national weather service baltimore md/washington dc
457 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.


anz535-202300-
tidal potomac from key bridge to indian head-
457 am edt thu aug 20 2026

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

.rest of the overnight...light winds. waves 1 ft. isolated showers
and tstms. 
.today...se winds around 5 kt...becoming sw with gusts to 20 kt in
the afternoon. waves 1 ft. showers and scattered tstms. 
.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 200858
cwflwx
expires:202608202300;;040472

coastal waters forecast
national weather service baltimore md/washington dc
457 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.


anz536-202300-
tidal potomac from indian head to cobb island-
457 am edt thu aug 20 2026

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

.rest of the overnight...s winds 5 kt. waves less than 1 ft. 
.today...s winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
waves 1 ft. numerous showers and scattered tstms.
.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 200858
cwflwx
expires:202608202300;;040473

coastal waters forecast
national weather service baltimore md/washington dc
457 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.


anz537-202300-
tidal potomac from cobb island to smith point-
457 am edt thu aug 20 2026

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

.rest of the overnight...s winds 10 kt. waves 1 ft. 
.today...s winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
waves 1 to 2 ft. numerous showers and scattered tstms. 
.tonight...sw winds 5 to 10 kt with gusts to 20 kt... becoming n in
the late evening and overnight. 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. 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.

$$