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coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt tue sep 29 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.


anz531-300800-
chesapeake bay from pooles island to sandy point-
757 pm edt tue sep 29 2026

.tonight...w winds around 5 kt. waves flat. 
.wed...s winds around 5 kt. waves 1 ft or less. 
.wed night...s winds 5 to 10 kt. waves 1 ft. 
.thu...s winds 5 kt. waves less than 1 ft. 
.thu night...s winds 5 to 10 kt. waves 1 ft. 
.fri...sw winds 5 to 10 kt. waves 1 ft. 
.fri night...sw winds 10 kt...becoming n after midnight. gusts up to
20 kt. waves 1 to 2 ft. 
.sat...n winds 10 to 15 kt...becoming ne 5 to 10 kt. waves 1 to
2 ft. a chance of showers after midnight. 
.sun...ne winds 5 to 10 kt. waves 1 ft. showers likely through the
day, then a chance of showers through the night.  

$$

fzus51 klwx 292357
cwflwx
expires:202609300800;;272696

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt tue sep 29 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.


anz532-300800-
chesapeake bay from sandy point to north beach-
757 pm edt tue sep 29 2026

.tonight...sw winds around 5 kt. waves flat. 
.wed...sw winds around 5 kt...becoming s late. 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. 
.thu night...s winds 5 to 10 kt. waves 1 ft. 
.fri...sw winds 5 to 10 kt. waves 1 ft. 
.fri night...sw winds 10 kt...becoming n 15 to 20 kt after midnight.
waves 1 to 2 ft. 
.sat...n winds 15 to 20 kt...becoming ne 5 to 10 kt. waves 1 to
2 ft. a chance of showers through the night. showers likely after
midnight. 
.sun...ne winds 5 to 10 kt. waves 1 ft. showers likely .  

$$

fzus51 klwx 292357
cwflwx
expires:202609300800;;272698

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt tue sep 29 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.


anz533-300800-
chesapeake bay from north beach to drum point-
757 pm edt tue sep 29 2026

.tonight...sw winds around 5 kt. waves flat. 
.wed...sw winds around 5 kt...becoming se late. 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. 
.thu night...s winds 5 to 10 kt. waves 1 ft. 
.fri...sw winds 5 to 10 kt. waves 1 ft. 
.fri night...sw winds 10 kt...becoming nw 15 to 20 kt after
midnight. waves 1 to 2 ft. 
.sat...n winds 15 to 20 kt...becoming ne 5 to 10 kt. waves 2 to
3 ft...subsiding to 1 ft. a chance of showers through the night.
showers likely after midnight. 
.sun...ne winds 5 to 10 kt. waves 1 ft. showers likely .  

$$

fzus51 klwx 292357
cwflwx
expires:202609300800;;272701

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt tue sep 29 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.


anz534-300800-
chesapeake bay from drum point to smith point-
757 pm edt tue sep 29 2026

.tonight...sw winds 5 kt. waves less than 1 ft. 
.wed...sw winds around 5 kt...becoming se late. waves 1 ft or less. 
.wed night...s winds 5 to 10 kt. waves 2 ft. 
.thu...s winds 5 to 10 kt. waves 1 ft. 
.thu night...s winds 10 to 15 kt. waves 2 ft. 
.fri...sw winds 10 to 15 kt. waves 2 ft. 
.fri night...s winds 10 to 15 kt...becoming nw after midnight. waves
2 ft. 
.sat...n winds 10 to 15 kt...becoming ne. waves 1 to 2 ft. a chance
of showers. 
.sun...ne winds 10 to 15 kt. waves 1 to 2 ft. showers likely .  

$$

fzus51 klwx 292357
cwflwx
expires:202609300800;;272689

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt tue sep 29 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.


anz535-300800-
tidal potomac from key bridge to indian head-
757 pm edt tue sep 29 2026

.tonight...light winds. waves flat. 
.wed...sw winds around 5 kt. waves 1 ft. 
.wed night...s winds 5 kt. waves less than 1 ft. 
.thu...sw winds 5 kt. waves less than 1 ft. 
.thu night...s winds 5 kt. waves less than 1 ft. 
.fri...sw winds 5 kt. waves less than 1 ft. 
.fri night...nw winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.sat...ne winds 5 to 10 kt. waves 1 ft. a chance of showers, then
showers likely after midnight. 
.sun...n winds 5 to 10 kt. waves 1 ft. showers likely .  

$$

fzus51 klwx 292357
cwflwx
expires:202609300800;;272690

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt tue sep 29 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.


anz536-300800-
tidal potomac from indian head to cobb island-
757 pm edt tue sep 29 2026

.tonight...sw winds around 5 kt. waves flat. 
.wed...sw winds around 5 kt. waves 1 ft. 
.wed night...s winds 5 to 10 kt. waves 1 ft. 
.thu...sw winds 5 kt. waves less than 1 ft. 
.thu night...s winds 5 to 10 kt. waves 1 ft. 
.fri...sw winds 5 to 10 kt. waves 1 ft. 
.fri night...sw winds 5 to 10 kt...becoming n after midnight. waves
1 ft. 
.sat...ne winds 5 to 10 kt. waves 1 ft. a chance of showers through
the night. showers likely after midnight. 
.sun...ne winds 5 kt. waves less than 1 ft. showers likely .  

$$

fzus51 klwx 292357
cwflwx
expires:202609300800;;272691

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt tue sep 29 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.


anz537-300800-
tidal potomac from cobb island to smith point-
757 pm edt tue sep 29 2026

.tonight...sw winds 5 kt. waves flat. 
.wed...sw winds around 5 kt...becoming se late. waves 1 ft or less. 
.wed night...s winds 5 to 10 kt. waves 1 ft. 
.thu...sw winds 5 to 10 kt. waves 1 ft. 
.thu night...s winds 5 to 10 kt. waves 1 ft. 
.fri...sw winds 5 to 10 kt. waves 1 ft. 
.fri night...sw winds 5 to 10 kt...becoming nw after midnight. waves
1 ft. 
.sat...ne winds 10 to 15 kt...diminishing to 5 to 10 kt after
midnight. waves 1 to 2 ft. a chance of showers through the night.
showers likely after midnight. 
.sun...ne winds 5 to 10 kt. waves 1 ft. showers likely .  

$$