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coastal waters forecast
national weather service baltimore md/washington dc
1057 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-
1057 pm edt tue sep 29 2026

.rest of 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 300257
cwflwx
expires:202609300800;;277671

coastal waters forecast
national weather service baltimore md/washington dc
1057 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-
1057 pm edt tue sep 29 2026

.rest of tonight...sw winds 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 300257
cwflwx
expires:202609300800;;277673

coastal waters forecast
national weather service baltimore md/washington dc
1057 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-
1057 pm edt tue sep 29 2026

.rest of 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...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 300257
cwflwx
expires:202609300800;;277676

coastal waters forecast
national weather service baltimore md/washington dc
1057 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-
1057 pm edt tue sep 29 2026

.rest of 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 300257
cwflwx
expires:202609300800;;277664

coastal waters forecast
national weather service baltimore md/washington dc
1057 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-
1057 pm edt tue sep 29 2026

.rest of 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 300257
cwflwx
expires:202609300800;;277665

coastal waters forecast
national weather service baltimore md/washington dc
1057 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-
1057 pm edt tue sep 29 2026

.rest of tonight...sw winds around 5 kt. waves flat. patchy fog with
vsby 1 to 3 nm. 
.wed...sw winds around 5 kt. waves 1 ft. patchy fog. vsby 1 to 3 nm.
.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 300257
cwflwx
expires:202609300800;;277666

coastal waters forecast
national weather service baltimore md/washington dc
1057 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-
1057 pm edt tue sep 29 2026

.rest of tonight...sw winds 5 kt. waves flat. 
.wed...sw winds around 5 kt...becoming se late. waves 1 ft or less.
patchy fog. vsby 1 to 3 nm. 
.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 .  

$$