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coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt wed sep 30 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.


anz531-010800-
chesapeake bay from pooles island to sandy point-
757 pm edt wed sep 30 2026

.tonight...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...w winds 10 kt...becoming n 15 to 20 kt after midnight.
waves 1 to 2 ft. a chance of showers. 
.sat...n winds 15 to 20 kt...becoming ne 5 to 10 kt in the
afternoon. waves 2 ft. 
.sat night...e winds 5 to 10 kt. waves 1 ft. 
.sun...e winds 5 to 10 kt...becoming sw after midnight. waves 1 ft
or less. a chance of showers. 
.mon...nw winds 5 to 10 kt...becoming n 15 to 20 kt. waves 1 to
2 ft...building to 3 ft after midnight.  

$$

fzus51 klwx 302357
cwflwx
expires:202610010800;;326579

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt wed sep 30 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.


anz532-010800-
chesapeake bay from sandy point to north beach-
757 pm edt wed sep 30 2026

.tonight...s winds 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...w winds 5 to 10 kt...becoming n 15 to 20 kt after
midnight. waves 1 to 2 ft. a chance of showers. 
.sat...n winds 15 to 20 kt. waves 2 to 3 ft. 
.sat night...e winds 5 to 10 kt. waves 1 ft. 
.sun...e winds 5 to 10 kt...becoming sw after midnight. waves 1 ft
or less. a chance of showers. 
.mon...nw winds 5 to 10 kt...becoming n 20 to 25 kt. waves 1 to
2 ft...building to 3 ft after midnight.  

$$

fzus51 klwx 302357
cwflwx
expires:202610010800;;326581

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt wed sep 30 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.


anz533-010800-
chesapeake bay from north beach to drum point-
757 pm edt wed sep 30 2026

.tonight...s winds 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...w winds 5 to 10 kt...becoming n 15 to 20 kt with gusts
to 25 kt after midnight. waves 1 ft... building to 3 ft after
midnight. 
.sat...n winds 15 to 20 kt. gusts up to 25 kt in the morning. waves
2 to 3 ft. 
.sat night...ne winds 5 to 10 kt. waves 1 ft. 
.sun...e winds 5 to 10 kt...becoming w after midnight. waves 1 ft or
less. a chance of showers. 
.mon...n winds 5 to 10 kt...increasing to 20 to 25 kt. waves 1 to
2 ft...building to 3 ft.  

$$

fzus51 klwx 302357
cwflwx
expires:202610010800;;326584

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt wed sep 30 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.


anz534-010800-
chesapeake bay from drum point to smith point-
757 pm edt wed sep 30 2026

.tonight...s winds 10 kt. waves 1 to 2 ft. 
.thu...s winds 5 to 10 kt. waves 1 to 2 ft. 
.thu night...s winds 10 to 15 kt. waves 2 ft. 
.fri...sw winds 10 to 15 kt. waves 2 ft. 
.fri night...sw winds 10 kt...becoming n 15 to 20 kt after midnight.
waves 2 ft. 
.sat...n winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.sat night...ne winds 10 kt. waves 1 ft. 
.sun...ne winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.mon...n winds 5 to 10 kt...increasing to 20 to 25 kt. waves 1 to
2 ft...building to 3 ft. a chance of showers in the morning.  

$$

fzus51 klwx 302357
cwflwx
expires:202610010800;;326572

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt wed sep 30 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.


anz535-010800-
tidal potomac from key bridge to indian head-
757 pm edt wed sep 30 2026

.tonight...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...n winds 5 to 10 kt. waves 1 ft. 
.sat night...ne winds around 5 kt. waves 1 ft. a chance of showers. 
.sun...se winds around 5 kt. waves 1 ft or less. a chance of
showers. 
.mon...n winds 5 to 10 kt. waves 1 ft.  

$$

fzus51 klwx 302357
cwflwx
expires:202610010800;;326573

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt wed sep 30 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.


anz536-010800-
tidal potomac from indian head to cobb island-
757 pm edt wed sep 30 2026

.tonight...s winds 5 kt. waves less than 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...nw winds 10 to 15 kt. waves 1 ft. a chance of showers. 
.sat...n winds 10 to 15 kt. waves 1 ft. 
.sat night...ne winds around 5 kt. waves 1 ft. a chance of showers. 
.sun...e winds around 5 kt. waves 1 ft. a chance of showers. 
.mon...n winds 10 to 15 kt. waves 1 ft.  

$$

fzus51 klwx 302357
cwflwx
expires:202610010800;;326574

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt wed sep 30 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.


anz537-010800-
tidal potomac from cobb island to smith point-
757 pm edt wed sep 30 2026

.tonight...s winds 10 kt. waves 1 ft. patchy fog after midnight with
vsby 1 to 3 nm. 
.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...w winds 5 to 10 kt...becoming n 10 to 15 kt after
midnight. gusts up to 20 kt. waves 1 to 2 ft. 
.sat...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.sat night...ne winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.sun...ne winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.mon...n winds 15 to 20 kt. waves 1 to 2 ft...building to 3 ft after
midnight. a chance of showers in the morning.  

$$