fzus51 klwx 182057
cwflwx
expires:202609190800;;674859

coastal waters forecast
national weather service baltimore md/washington dc
457 pm edt fri sep 18 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.


anz531-190800-
chesapeake bay from pooles island to sandy point-
457 pm edt fri sep 18 2026

...small craft advisory in effect from 10 pm edt this evening
through saturday morning...

.rest of this afternoon...n winds 10 kt. waves 1 ft. 
.tonight...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.sat...ne winds 10 to 15 kt with gusts to 20 kt... becoming e 5 to
10 kt late. waves 1 to 2 ft. 
.sat night...se winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft. 
.sun...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a chance
of showers. 
.sun night...sw winds 10 to 15 kt...becoming nw after midnight.
gusts up to 20 kt. waves 1 to 2 ft. showers likely. 
.mon...ne winds 15 to 20 kt. waves 2 to 3 ft. a chance of showers. 
.tue...ne winds 20 to 25 kt. waves 3 ft. a chance of showers.  

$$

fzus51 klwx 182057
cwflwx
expires:202609190800;;674862

coastal waters forecast
national weather service baltimore md/washington dc
457 pm edt fri sep 18 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.


anz532-190800-
chesapeake bay from sandy point to north beach-
457 pm edt fri sep 18 2026

...small craft advisory in effect from 10 pm edt this evening
through saturday morning...

.rest of this afternoon...n winds 10 kt. waves 1 ft. 
.tonight...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.sat...ne winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. 
.sat night...se winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.sun...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.sun night...s winds 10 kt...becoming nw after midnight. gusts up to
20 kt. waves 1 to 2 ft. showers likely. 
.mon...ne winds 10 to 15 kt...increasing to 15 to 20 kt. waves 2 to
3 ft. a chance of showers. 
.tue...ne winds 20 to 25 kt. waves 3 ft. a chance of showers.  

$$

fzus51 klwx 182057
cwflwx
expires:202609190800;;674864

coastal waters forecast
national weather service baltimore md/washington dc
457 pm edt fri sep 18 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.


anz533-190800-
chesapeake bay from north beach to drum point-
457 pm edt fri sep 18 2026

...small craft advisory in effect from 10 pm edt this evening
through saturday morning...

.rest of this afternoon...n winds 10 kt. waves 2 ft. 
.tonight...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.sat...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.sat night...se winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.sun...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.sun night...s winds 10 to 15 kt...becoming w after midnight. gusts
up to 20 kt. waves 1 to 2 ft. showers likely. 
.mon...n winds 10 to 15 kt...becoming ne 15 to 20 kt. waves 2 to
3 ft. a chance of showers. 
.tue...ne winds 25 to 30 kt. waves 4 ft. a chance of showers.  

$$

fzus51 klwx 182057
cwflwx
expires:202609190800;;674867

coastal waters forecast
national weather service baltimore md/washington dc
457 pm edt fri sep 18 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.


anz534-190800-
chesapeake bay from drum point to smith point-
457 pm edt fri sep 18 2026

...small craft advisory in effect from late tonight through saturday
afternoon...
...small craft advisory in effect from saturday afternoon through
late saturday night...

.rest of this afternoon...n winds 10 kt. waves 2 ft. 
.tonight...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.sat...ne winds 10 to 15 kt. gusts up to 20 kt. waves 2 ft. 
.sat night...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.sun...s winds 10 to 15 kt with gusts to 20 kt. waves 2 to 3 ft. 
.sun night...s winds 10 to 15 kt...becoming w after midnight. gusts
up to 20 kt. waves 2 to 3 ft. a chance of showers. 
.mon...n winds 10 to 15 kt...becoming ne 15 to 20 kt. waves 2 to
3 ft. a chance of showers. a chance of tstms through the night. 
.tue...ne winds 20 to 25 kt. waves 4 ft. a chance of showers.  

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

$$

fzus51 klwx 182057
cwflwx
expires:202609190800;;674855

coastal waters forecast
national weather service baltimore md/washington dc
457 pm edt fri sep 18 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.


anz535-190800-
tidal potomac from key bridge to indian head-
457 pm edt fri sep 18 2026

.rest of this afternoon...n winds 10 kt. waves 1 ft. 
.tonight...ne winds 5 to 10 kt. waves 1 ft. 
.sat...ne winds 5 to 10 kt. waves 1 ft. 
.sat night...se winds 5 to 10 kt. waves 1 ft. 
.sun...s winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.sun night...sw winds 5 to 10 kt...becoming nw after midnight. waves
1 ft. showers likely with a chance of tstms. 
.mon...ne winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.tue...ne winds 10 to 15 kt. waves 1 ft. a chance of showers in the
morning, then showers likely through the night. a chance of showers
after midnight.  

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

$$

fzus51 klwx 182057
cwflwx
expires:202609190800;;674856

coastal waters forecast
national weather service baltimore md/washington dc
457 pm edt fri sep 18 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.


anz536-190800-
tidal potomac from indian head to cobb island-
457 pm edt fri sep 18 2026

.rest of this afternoon...n winds 10 kt. waves 1 ft. 
.tonight...ne winds 5 to 10 kt. waves 1 ft. 
.sat...ne winds 5 to 10 kt. waves 1 ft. 
.sat night...se winds 5 to 10 kt. waves 1 ft. 
.sun...s winds 5 to 10 kt. waves 1 ft. 
.sun night...w winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms. 
.mon...ne winds 10 to 15 kt. waves 1 ft. a chance of showers. 
.tue...ne winds 15 to 20 kt. waves 1 to 2 ft. a chance of showers in
the morning, then showers likely through the night. a chance of
showers after midnight.  

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

$$

fzus51 klwx 182057
cwflwx
expires:202609190800;;674857

coastal waters forecast
national weather service baltimore md/washington dc
457 pm edt fri sep 18 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.


anz537-190800-
tidal potomac from cobb island to smith point-
457 pm edt fri sep 18 2026

...small craft advisory in effect from late tonight through saturday
afternoon...
...small craft advisory in effect from saturday afternoon through
late saturday night...

.rest of this afternoon...n winds 10 kt. waves 1 ft. 
.tonight...ne winds 10 to 15 kt. waves 1 to 2 ft. 
.sat...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.sat night...se winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.sun...s winds 10 kt with gusts to 20 kt. waves 2 ft. 
.sun night...s winds 10 to 15 kt...becoming w 5 to 10 kt after
midnight. gusts up to 20 kt. waves 1 to 2 ft. a chance of showers. 
.mon...ne winds 10 to 15 kt...increasing to 15 to 20 kt after
midnight. waves 1 to 2 ft...building to 3 ft. a chance of showers. 
.tue...ne winds 20 to 25 kt. waves 4 ft. a chance of showers in the
morning. showers likely through the night, then a chance of showers
after midnight.  

$$