fzus51 klwx 231827
cwflwx
expires:202609240800;;935848

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt wed sep 23 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.


anz531-240800-
chesapeake bay from pooles island to sandy point-
227 pm edt wed sep 23 2026

...small craft advisory in effect through late thursday night...

.this afternoon...ne winds 20 kt with gusts to 30 kt. waves 3 ft. 
.tonight...ne winds 20 to 25 kt with gusts to 30 kt. waves 3 ft. 
.thu...ne winds 20 to 25 kt...diminishing to 15 kt late. waves 3 ft.
.thu night...n winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft. 
.fri...n winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.fri night...n winds 20 to 25 kt. waves 3 ft. 
.sat...n winds 15 to 20 kt. waves 3 ft. 
.sun...nw winds 15 to 20 kt...diminishing to 10 kt after midnight.
waves 2 to 3 ft.  

$$

fzus51 klwx 231827
cwflwx
expires:202609240800;;935851

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt wed sep 23 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.


anz532-240800-
chesapeake bay from sandy point to north beach-
227 pm edt wed sep 23 2026

...small craft advisory in effect through late thursday night...

.this afternoon...ne winds 20 kt with gusts to 30 kt. waves 3 ft. 
.tonight...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 ft. 
.thu...ne winds 20 to 25 kt with gusts to 30 kt. waves 3 ft. 
.thu night...ne winds 20 to 25 kt. waves 3 ft. 
.fri...n winds 20 to 25 kt. waves 4 ft. 
.fri night...n winds 20 to 25 kt. waves 4 ft. 
.sat...n winds 20 to 25 kt. waves 3 ft. 
.sun...nw winds 15 to 20 kt...diminishing to 10 kt after midnight.
waves 2 to 3 ft.  

$$

fzus51 klwx 231827
cwflwx
expires:202609240800;;935853

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt wed sep 23 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.


anz533-240800-
chesapeake bay from north beach to drum point-
227 pm edt wed sep 23 2026

...gale warning in effect through late tonight...
...small craft advisory in effect from thursday morning through late
thursday night...

.this afternoon...ne winds 25 kt with gusts to 35 kt. waves 4 ft...
except around 3 ft near the mouth of the choptank. a slight chance
of showers. 
.tonight...ne winds 25 to 30 kt. waves 5 ft. 
.thu...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 ft. 
.thu night...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 ft. 
.fri...n winds 20 to 25 kt with gusts to 30 kt. waves 4 ft. 
.fri night...n winds 20 to 25 kt with gusts to 30 kt. waves 5 ft. 
.sat...nw winds 20 to 25 kt. waves 4 ft. 
.sun...nw winds 15 to 20 kt...diminishing to 10 kt after midnight.
waves 3 ft...subsiding to 2 ft after midnight.  

$$

fzus51 klwx 231827
cwflwx
expires:202609240800;;935856

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt wed sep 23 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.


anz534-240800-
chesapeake bay from drum point to smith point-
227 pm edt wed sep 23 2026

...gale warning in effect through late tonight...
...small craft advisory in effect from thursday morning through late
thursday night...

.this afternoon...ne winds 25 kt with gusts to 35 kt. waves 5 ft. a
slight chance of showers. 
.tonight...ne winds 20 to 25 kt with gusts to 35 kt. waves 5 ft. 
.thu...ne winds 20 to 25 kt with gusts to 30 kt. waves 5 ft. 
.thu night...n winds 20 to 25 kt with gusts to 30 kt. waves 5 ft. 
.fri...n winds 20 to 25 kt with gusts to 30 kt. waves 5 ft. 
.fri night...n winds 20 to 25 kt with gusts to 30 kt. waves 5 ft. 
.sat...n winds 20 to 25 kt. waves 5 ft...subsiding to 4 ft after
midnight. 
.sun...nw winds 15 to 20 kt...diminishing to 10 kt after midnight.
waves 3 ft...subsiding to 2 ft after midnight.  

$$

fzus51 klwx 231827
cwflwx
expires:202609240800;;935844

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt wed sep 23 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.


anz535-240800-
tidal potomac from key bridge to indian head-
227 pm edt wed sep 23 2026

...small craft advisory in effect through late thursday night...

.this afternoon...ne winds 10 kt with gusts to 25 kt. waves 1 ft. a
slight chance of showers. 
.tonight...ne winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.thu...ne winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.thu night...n winds 5 to 10 kt. waves 1 ft. 
.fri...n winds 10 to 15 kt with gusts to 25 kt. waves 1 ft. 
.fri night...n winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.sat...nw winds 10 to 15 kt. waves 1 ft. 
.sun...nw winds 10 to 15 kt...diminishing to 5 kt after midnight.
waves 1 ft.  

$$

fzus51 klwx 231827
cwflwx
expires:202609240800;;935845

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt wed sep 23 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.


anz536-240800-
tidal potomac from indian head to cobb island-
227 pm edt wed sep 23 2026

...small craft advisory in effect through late thursday night...

.this afternoon...ne winds 15 kt with gusts to 25 kt. waves 2 ft. a
slight chance of showers. 
.tonight...ne winds 15 to 20 kt. gusts up to 30 kt in the evening.
waves 2 ft. 
.thu...ne winds 15 to 20 kt. waves 2 ft. 
.thu night...n winds 10 to 15 kt with gusts to 25 kt. waves 1 to
2 ft. 
.fri...n winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. 
.fri night...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.sat...nw winds 10 to 15 kt. waves 2 ft. 
.sun...nw winds 10 to 15 kt...diminishing to 5 kt after midnight.
waves 1 to 2 ft.  

$$

fzus51 klwx 231827
cwflwx
expires:202609240800;;935846

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt wed sep 23 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.


anz537-240800-
tidal potomac from cobb island to smith point-
227 pm edt wed sep 23 2026

...gale warning in effect through late tonight...
...small craft advisory in effect from thursday morning through late
thursday night...

.this afternoon...ne winds 20 to 25 kt with gusts to 35 kt. waves
4 ft. a chance of showers. 
.tonight...ne winds 20 to 25 kt with gusts to 35 kt. waves 5 ft. 
.thu...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 ft. 
.thu night...n winds 20 to 25 kt with gusts to 30 kt. waves 4 ft. 
.fri...n winds 15 to 20 kt with gusts to 25 kt. waves 4 ft. 
.fri night...n winds 15 to 20 kt with gusts to 25 kt. waves 4 ft. 
.sat...nw winds 15 to 20 kt. waves 3 ft. 
.sun...nw winds 10 to 15 kt. waves 2 to 3 ft... subsiding to 1 ft
after midnight.  

$$