fzus51 klwx 182057
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coastal waters forecast
national weather service baltimore md/washington dc
457 pm 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.


anz531-190800-
chesapeake bay from pooles island to sandy point-
457 pm edt tue aug 18 2026

.rest of this afternoon...n winds 5 kt. waves less than 1 ft.
isolated showers. 
.tonight...n winds around 5 kt. waves 1 ft or less. 
.wed...w winds 5 kt. waves flat. 
.wed night...sw winds 5 kt. waves flat. 
.thu...n winds 5 kt. waves less than 1 ft. showers likely. 
.thu night...n winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.fri...e winds 5 to 10 kt. waves 1 ft. a chance of showers in the
afternoon. showers likely with a chance of tstms through the night. 
.sat...se winds 5 kt. waves less than 1 ft. showers likely in the
morning. a chance of showers. a chance of tstms through the night.  

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

$$

fzus51 klwx 182057
cwflwx
expires:202608190800;;955041

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


anz532-190800-
chesapeake bay from sandy point to north beach-
457 pm edt tue aug 18 2026

.rest of this afternoon...n winds 5 kt. waves less than 1 ft.
isolated showers. 
.tonight...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. 
.thu...ne winds 5 kt. waves less than 1 ft. showers likely. 
.thu night...ne winds 5 to 10 kt. waves 1 ft. a chance of showers
and tstms. 
.fri...ne winds 5 to 10 kt...becoming se after midnight. waves 1 ft.
a chance of showers in the afternoon. showers likely with a chance
of tstms through the night. 
.sat...se winds 5 kt. waves less than 1 ft. showers likely in the
morning. a chance of showers. a chance of tstms through the night.  

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

$$

fzus51 klwx 182057
cwflwx
expires:202608190800;;955043

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


anz533-190800-
chesapeake bay from north beach to drum point-
457 pm edt tue aug 18 2026

.rest of this afternoon...n winds 5 kt. waves less than 1 ft.
isolated showers. 
.tonight...n winds around 5 kt. waves 1 ft. 
.wed...nw winds 5 kt. waves less than 1 ft. 
.wed night...sw winds 5 kt. waves less than 1 ft. 
.thu...nw winds 5 kt. waves less than 1 ft. showers likely. 
.thu night...ne winds 5 to 10 kt. waves 1 ft. a chance of showers
and tstms. 
.fri...ne winds 5 to 10 kt...becoming se after midnight. waves 1 ft.
showers likely. a chance of tstms through the night. 
.sat...se winds 5 kt. waves less than 1 ft. showers likely. a chance
of tstms through the night. a chance of showers after midnight.  

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

$$

fzus51 klwx 182057
cwflwx
expires:202608190800;;955046

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


anz534-190800-
chesapeake bay from drum point to smith point-
457 pm edt tue aug 18 2026

.rest of this afternoon...nw winds 10 kt. waves 1 ft. a slight
chance of showers and tstms. 
.tonight...n winds 5 to 10 kt...becoming ne after midnight. waves
1 ft. 
.wed...nw winds 5 kt. waves less than 1 ft. 
.wed night...s winds 5 to 10 kt. waves 1 ft. 
.thu...s winds 5 to 10 kt. waves 1 ft. showers likely with a chance
of tstms. 
.thu night...e winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms. 
.fri...e winds 5 to 10 kt. waves 1 ft. a chance of showers in the
morning, then showers likely with a chance of tstms. 
.sat...se winds 5 to 10 kt...becoming sw after midnight. waves 1 ft.
showers likely .  

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

$$

fzus51 klwx 182057
cwflwx
expires:202608190800;;955034

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


anz535-190800-
tidal potomac from key bridge to indian head-
457 pm edt tue aug 18 2026

.rest of this afternoon...nw winds 5 kt. waves less than 1 ft. 
.tonight...n winds around 5 kt. waves 1 ft. 
.wed...nw winds around 5 kt. waves 1 ft. 
.wed night...sw winds around 5 kt. waves 1 ft or less. 
.thu...n winds around 5 kt. waves 1 ft. showers likely. 
.thu night...n winds around 5 kt. waves 1 ft. a chance of showers
and tstms. 
.fri...e winds around 5 kt. waves 1 ft. a chance of showers in the
afternoon. showers likely with a chance of tstms through the night. 
.sat...se winds around 5 kt. waves 1 ft. a chance of showers.  

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

$$

fzus51 klwx 182057
cwflwx
expires:202608190800;;955035

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


anz536-190800-
tidal potomac from indian head to cobb island-
457 pm edt tue aug 18 2026

.rest of this afternoon...nw winds 5 kt. waves less than 1 ft.
isolated showers. 
.tonight...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 or less. 
.thu...ne winds around 5 kt. waves 1 ft. showers likely. 
.thu night...n winds around 5 kt. waves 1 ft. showers likely with a
chance of tstms. 
.fri...e winds around 5 kt. waves 1 ft. showers likely with a chance
of tstms. 
.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 182057
cwflwx
expires:202608190800;;955036

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


anz537-190800-
tidal potomac from cobb island to smith point-
457 pm edt tue aug 18 2026

.rest of this afternoon...nw winds 5 kt. waves less than 1 ft. a
slight chance of tstms with isolated showers. 
.tonight...n winds around 5 kt. waves 1 ft or less. 
.wed...nw winds around 5 kt. waves 1 ft or less. 
.wed night...s winds around 5 kt. waves 1 ft or less. 
.thu...s winds around 5 kt. waves 1 ft or less. showers with a
chance of tstms. 
.thu night...ne winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms. 
.fri...e winds 5 to 10 kt. waves 1 ft. a chance of showers in the
morning, then showers likely with a chance of tstms. 
.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.

$$