fzus51 klwx 180603
cwflwx
expires:202608182000;;919363

coastal waters forecast
national weather service baltimore md/washington dc
203 am edt tue aug 18 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.


anz531-182000-
chesapeake bay from pooles island to sandy point-
203 am edt tue aug 18 2026

.overnight...nw winds 5 to 10 kt. waves 1 ft or less. 
.tue...n winds 5 to 10 kt. waves 1 ft. 
.tue night...n winds around 5 kt. waves 1 ft or less. 
.wed...w winds around 5 kt. waves 1 ft or less. 
.wed night...sw winds 5 kt. waves less than 1 ft. 
.thu...w winds 5 kt. waves flat. showers likely with a chance of
tstms. 
.thu night...n winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms. 
.fri...ne winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.sat...e winds 5 kt. waves less than 1 ft. a chance of showers in
the morning, then showers likely.  

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

$$

fzus51 klwx 180603
cwflwx
expires:202608182000;;919366

coastal waters forecast
national weather service baltimore md/washington dc
203 am edt tue aug 18 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.


anz532-182000-
chesapeake bay from sandy point to north beach-
203 am edt tue aug 18 2026

.overnight...nw winds 5 kt. waves less than 1 ft. 
.tue...n winds 5 to 10 kt. waves 1 ft. 
.tue night...n winds around 5 kt. waves 1 ft or less. 
.wed...w winds 5 kt. waves less than 1 ft. 
.wed night...sw winds 5 kt. waves less than 1 ft. a chance of
showers. 
.thu...nw winds 5 kt...becoming e in the afternoon. waves 1 ft.
showers likely with a chance of tstms. 
.thu night...ne winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms. 
.fri...ne winds 5 to 10 kt. waves 1 ft. a chance of showers in the
afternoon. showers likely through the night. 
.sat...e winds 5 to 10 kt...becoming sw after midnight. waves 1 ft.
a chance of showers in the morning, then showers likely through the
night. a chance of showers after midnight.  

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

$$

fzus51 klwx 180603
cwflwx
expires:202608182000;;919368

coastal waters forecast
national weather service baltimore md/washington dc
203 am edt tue aug 18 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.


anz533-182000-
chesapeake bay from north beach to drum point-
203 am edt tue aug 18 2026

.overnight...nw winds 5 kt. waves less than 1 ft. 
.tue...n winds 5 to 10 kt. waves 1 ft. patchy fog. vsby 1 to 3 nm. 
.tue night...n winds around 5 kt. waves 1 ft or less. 
.wed...w winds 5 kt. waves flat. 
.wed night...s winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.thu...s winds 5 to 10 kt. waves 1 ft. showers likely with a chance
of tstms. 
.thu night...se winds 5 to 10 kt...becoming nw after midnight. waves
1 ft. showers likely with a chance of tstms. 
.fri...ne winds 5 to 10 kt...becoming e after midnight. waves 1 ft. 
.sat...se winds 5 to 10 kt...becoming sw after midnight. waves 1 ft.
showers likely. a chance of showers after midnight.  

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

$$

fzus51 klwx 180603
cwflwx
expires:202608182000;;919371

coastal waters forecast
national weather service baltimore md/washington dc
203 am edt tue aug 18 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.


anz534-182000-
chesapeake bay from drum point to smith point-
203 am edt tue aug 18 2026

.overnight...w winds 5 kt. waves less than 1 ft. 
.tue...nw winds 5 to 10 kt. waves 1 ft. 
.tue night...n winds 5 to 10 kt. waves 1 ft. 
.wed...nw winds around 5 kt. waves 1 ft or less. 
.wed night...s winds 5 to 10 kt. waves 1 ft. 
.thu...s winds 5 to 10 kt. waves 1 ft. showers with a chance of
tstms. 
.thu night...s winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms. 
.fri...n winds 5 to 10 kt...becoming se after midnight. waves 1 ft.
a chance of showers through the day. a chance of tstms. showers
through the night. 
.sat...s winds 5 to 10 kt. waves 1 ft. showers, mainly in the
morning.  

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

$$

fzus51 klwx 180603
cwflwx
expires:202608182000;;919359

coastal waters forecast
national weather service baltimore md/washington dc
203 am edt tue aug 18 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.


anz535-182000-
tidal potomac from key bridge to indian head-
203 am edt tue aug 18 2026

.overnight...nw winds 5 kt. waves less than 1 ft. 
.tue...n winds 5 kt. waves less than 1 ft. 
.tue night...nw winds around 5 kt. waves 1 ft or less.
.wed...nw winds around 5 kt. waves 1 ft. 
.wed night...sw winds around 5 kt. waves 1 ft or less. 
.thu...w winds around 5 kt. waves 1 ft. showers likely with a chance
of tstms. 
.thu night...ne winds around 5 kt. waves 1 ft. showers likely with a
chance of tstms. 
.fri...ne winds around 5 kt. waves 1 ft. a chance of showers. 
.sat...se winds around 5 kt. waves 1 ft. a chance of showers in the
morning, then showers likely through the night. a chance of showers
after midnight.  

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

$$

fzus51 klwx 180603
cwflwx
expires:202608182000;;919360

coastal waters forecast
national weather service baltimore md/washington dc
203 am edt tue aug 18 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.


anz536-182000-
tidal potomac from indian head to cobb island-
203 am edt tue aug 18 2026

.overnight...nw winds 5 kt. waves less than 1 ft. 
.tue...nw winds 5 kt. waves less than 1 ft. 
.tue night...n winds around 5 kt. waves 1 ft. 
.wed...nw winds around 5 kt. waves 1 ft. 
.wed night...s winds around 5 kt. waves 1 ft. a chance of showers. 
.thu...se winds around 5 kt. waves 1 ft. showers likely with a
chance of tstms. 
.thu night...ne winds around 5 kt. waves 1 ft. showers likely with a
chance of tstms. 
.fri...ne winds around 5 kt. waves 1 ft or less. a chance of showers
and tstms in the afternoon. showers likely through the night. 
.sat...se winds around 5 kt. waves 1 ft. a chance of showers in the
morning, then showers likely through the night. a chance of showers
after midnight.  

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

$$

fzus51 klwx 180603
cwflwx
expires:202608182000;;919361

coastal waters forecast
national weather service baltimore md/washington dc
203 am edt tue aug 18 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.


anz537-182000-
tidal potomac from cobb island to smith point-
203 am edt tue aug 18 2026

.overnight...w winds 5 kt. waves flat. 
.tue...nw winds 5 kt. waves less than 1 ft. 
.tue night...n winds around 5 kt. waves 1 ft or less. 
.wed...nw winds around 5 kt. waves flat. 
.wed night...s winds 5 to 10 kt. waves 1 ft. 
.thu...s winds around 5 kt. waves 1 ft or less. showers with a
chance of tstms. 
.thu night...s winds 5 kt. waves less than 1 ft. showers likely with
a chance of tstms. 
.fri...ne winds 5 kt. waves less than 1 ft. a chance of showers
through the day. a chance of tstms. showers likely through the
night. 
.sat...se winds 5 kt. waves less than 1 ft. showers likely. a chance
of showers after midnight.  

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

$$