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coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt tue sep 8 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.


anz531-090800-
chesapeake bay from pooles island to sandy point-
757 pm edt tue sep 8 2026

...small craft advisory in effect from wednesday afternoon through
thursday morning...

.tonight...s winds 10 kt. waves 1 ft. 
.wed...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. 
.wed night...s winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.thu...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. a
chance of showers. 
.thu night...nw winds 5 to 10 kt. waves 1 ft. showers likely. 
.fri...n winds 5 to 10 kt. waves 1 ft. 
.fri night...e winds around 5 kt. waves flat. 
.sat...se winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.sun...s winds 5 to 10 kt. waves 1 ft.  

$$

fzus51 klwx 082357
cwflwx
expires:202609090800;;136307

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt tue sep 8 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.


anz532-090800-
chesapeake bay from sandy point to north beach-
757 pm edt tue sep 8 2026

...small craft advisory in effect from wednesday afternoon through
thursday morning...

.tonight...s winds 10 kt. waves 1 to 2 ft. 
.wed...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.wed night...s winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.thu...sw winds 10 to 15 kt with gusts to 20 kt. waves 3 ft...
subsiding to 1 ft in the afternoon. a chance of showers. 
.thu night...nw winds 5 to 10 kt. waves 1 ft. showers likely. 
.fri...n winds 10 to 15 kt. waves 1 ft. 
.fri night...e winds 5 kt. waves less than 1 ft. 
.sat...se winds 10 to 15 kt...becoming s 5 to 10 kt after midnight.
waves 1 to 2 ft. a chance of showers. 
.sun...s winds 5 to 10 kt. waves 1 ft.  

$$

fzus51 klwx 082357
cwflwx
expires:202609090800;;136309

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt tue sep 8 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.


anz533-090800-
chesapeake bay from north beach to drum point-
757 pm edt tue sep 8 2026

...small craft advisory in effect from wednesday afternoon through
thursday morning...

.tonight...s winds 10 kt. waves 1 to 2 ft. 
.wed...sw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.wed night...s winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft. 
.thu...sw winds 15 to 20 kt...becoming w 5 to 10 kt in the
afternoon. waves 1 to 2 ft. a chance of showers. 
.thu night...nw winds 5 to 10 kt. waves 1 ft. showers likely. 
.fri...n winds 10 to 15 kt. waves 2 ft. 
.fri night...e winds 5 kt. waves less than 1 ft. 
.sat...se winds 10 to 15 kt...becoming s 5 to 10 kt after midnight.
waves 1 to 2 ft. a chance of showers. 
.sun...s winds 5 to 10 kt. waves 1 ft.  

$$

fzus51 klwx 082357
cwflwx
expires:202609090800;;136312

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt tue sep 8 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.


anz534-090800-
chesapeake bay from drum point to smith point-
757 pm edt tue sep 8 2026

...small craft advisory in effect from wednesday afternoon through
thursday morning...

.tonight...s winds 10 to 15 kt. waves 1 to 2 ft. 
.wed...sw winds 10 to 15 kt...becoming s late. gusts up to 20 kt.
waves 2 to 3 ft. 
.wed night...s winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.thu...sw winds 15 to 20 kt. gusts up to 25 kt in the morning. waves
2 to 3 ft. 
.thu night...sw winds 10 to 15 kt...becoming nw after midnight.
waves 2 ft. a chance of showers. 
.fri...n winds 10 to 15 kt. waves 2 ft. 
.fri night...e winds 5 to 10 kt. waves 1 ft. 
.sat...se winds 10 to 15 kt...becoming s 5 to 10 kt after midnight.
waves 1 to 2 ft. a chance of showers. a chance of tstms through the
night. 
.sun...sw winds 5 to 10 kt. waves 1 ft. a chance of showers in the
morning.  

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

$$

fzus51 klwx 082357
cwflwx
expires:202609090800;;136300

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt tue sep 8 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.


anz535-090800-
tidal potomac from key bridge to indian head-
757 pm edt tue sep 8 2026

...small craft advisory in effect from wednesday afternoon through
late wednesday night...

.tonight...s winds 5 kt. waves less than 1 ft. 
.wed...s winds 5 to 10 kt. gusts up to 20 kt in the late morning and
afternoon. waves 1 ft. 
.wed night...s winds 5 to 10 kt with gusts to 20 kt. waves 1 ft. 
.thu...sw winds 5 to 10 kt. waves 1 ft. showers likely. 
.thu night...nw winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms. 
.fri...n winds around 5 kt. waves 1 ft. 
.fri night...e winds around 5 kt. waves 1 ft or less. 
.sat...se winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.sun...s winds around 5 kt. waves 1 ft.  

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

$$

fzus51 klwx 082357
cwflwx
expires:202609090800;;136301

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt tue sep 8 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.


anz536-090800-
tidal potomac from indian head to cobb island-
757 pm edt tue sep 8 2026

...small craft advisory in effect from wednesday afternoon through
late wednesday night...

.tonight...s winds 5 to 10 kt. waves 1 ft. 
.wed...sw winds 5 to 10 kt. waves 1 ft. 
.wed night...s winds 10 to 15 kt. waves 1 ft. 
.thu...sw winds 10 to 15 kt. waves 1 ft. a chance of showers. 
.thu night...nw winds 5 to 10 kt. waves 1 ft. showers likely. 
.fri...n winds 5 to 10 kt. waves 1 ft. 
.fri night...e winds around 5 kt. waves 1 ft. 
.sat...se winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.sun...s winds around 5 kt. waves 1 ft.  

$$

fzus51 klwx 082357
cwflwx
expires:202609090800;;136302

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt tue sep 8 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.


anz537-090800-
tidal potomac from cobb island to smith point-
757 pm edt tue sep 8 2026

...small craft advisory in effect from wednesday afternoon through
thursday morning...

.tonight...s winds 10 kt. waves 1 ft. 
.wed...sw winds 10 kt. waves 1 ft. 
.wed night...s winds 15 to 20 kt. waves 2 ft. 
.thu...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. 
.thu night...w winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.fri...n winds 5 to 10 kt. waves 1 ft. 
.fri night...e winds 5 kt. waves less than 1 ft. 
.sat...se winds 5 to 10 kt. waves 1 to 2 ft. a chance of showers. a
chance of tstms through the night. 
.sun...s winds 5 kt. waves less than 1 ft.  

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

$$