fzus51 klwx 181827
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expires:202610190800;;321122

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sun oct 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-
227 pm edt sun oct 18 2026

...small craft advisory in effect from monday morning through monday
afternoon...

.this afternoon...ne winds 10 kt. waves 1 ft. 
.tonight...ne winds 5 to 10 kt. waves 1 ft. 
.mon...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.mon night...n winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft. 
.tue...n winds 15 to 20 kt with gusts to 25 kt. waves 2 to 3 ft. 
.tue night...n winds 15 to 20 kt. waves 2 to 3 ft. 
.wed...n winds 15 to 20 kt...diminishing to 10 to 15 kt. waves 2 ft.
.thu...n winds 15 to 20 kt. waves 2 ft.  

$$

fzus51 klwx 181827
cwflwx
expires:202610190800;;321125

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sun oct 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-
227 pm edt sun oct 18 2026

...small craft advisory in effect through monday afternoon...

.this afternoon...n winds 10 kt. waves 2 ft. 
.tonight...ne winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft. 
.mon...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.mon night...n winds 10 to 15 kt...increasing to 20 to 25 kt after
midnight. gusts up to 30 kt. waves 2 to 3 ft. 
.tue...n winds 20 to 25 kt with gusts to 30 kt. waves 3 ft. 
.tue night...n winds 20 to 25 kt. waves 2 to 3 ft. 
.wed...n winds 20 to 25 kt...diminishing to 10 to 15 kt. waves 2 to
3 ft. 
.thu...n winds 15 to 20 kt. waves 2 to 3 ft.  

$$

fzus51 klwx 181827
cwflwx
expires:202610190800;;321127

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sun oct 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-
227 pm edt sun oct 18 2026

...small craft advisory in effect through monday afternoon...

.this afternoon...n winds 15 kt with gusts to 20 kt. waves 2 ft. 
.tonight...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.mon...n winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.mon night...n winds 20 to 25 kt with gusts to 30 kt. waves 3 ft. 
.tue...n winds 20 to 25 kt with gusts to 30 kt. waves 4 ft. 
.tue night...n winds 20 to 25 kt with gusts to 30 kt. waves 3 ft. 
.wed...n winds 20 to 25 kt...diminishing to 15 to 20 kt. waves 3 ft.
.thu...n winds 15 to 20 kt. waves 2 to 3 ft.  

$$

fzus51 klwx 181827
cwflwx
expires:202610190800;;321130

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sun oct 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-
227 pm edt sun oct 18 2026

...small craft advisory in effect through monday afternoon...
...gale watch in effect from monday evening through tuesday
morning...

.this afternoon...ne winds 15 kt with gusts to 20 kt. waves 3 ft. 
.tonight...ne winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft. 
.mon...n winds 20 to 25 kt with gusts to 30 kt. waves 4 ft. 
.mon night...n winds 20 to 25 kt with gusts to 35 kt. waves 4 ft. 
.tue...n winds 20 to 25 kt with gusts to 35 kt. waves 4 ft. 
.tue night...n winds 20 to 25 kt. waves 4 ft. 
.wed...n winds 20 to 25 kt. waves 3 ft. 
.thu...n winds 15 to 20 kt. waves 2 to 3 ft.  

$$

fzus51 klwx 181827
cwflwx
expires:202610190800;;321118

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sun oct 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-
227 pm edt sun oct 18 2026

.this afternoon...ne winds 5 kt. waves less than 1 ft. 
.tonight...n winds around 5 kt. waves 1 ft. 
.mon...n winds 5 to 10 kt. waves 1 ft. 
.mon night...n winds 5 to 10 kt. waves 1 ft. 
.tue...n winds 10 kt with gusts to 20 kt. waves 1 ft. 
.tue night...n winds 5 to 10 kt. waves 1 ft. 
.wed...n winds 5 to 10 kt. waves 1 ft. 
.thu...n winds 5 to 10 kt. waves 1 ft.  

$$

fzus51 klwx 181827
cwflwx
expires:202610190800;;321119

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sun oct 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-
227 pm edt sun oct 18 2026

...small craft advisory in effect from monday morning through monday
afternoon...

.this afternoon...ne winds 10 kt. waves 1 ft. 
.tonight...ne winds 5 to 10 kt. waves 1 ft. 
.mon...n winds 5 to 10 kt with gusts to 20 kt. waves 1 ft. 
.mon night...n winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.tue...n winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.tue night...n winds 10 kt. waves 1 ft. 
.wed...n winds 5 to 10 kt. waves 1 ft. 
.thu...n winds 5 to 10 kt. waves 1 ft.  

$$

fzus51 klwx 181827
cwflwx
expires:202610190800;;321120

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sun oct 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-
227 pm edt sun oct 18 2026

...small craft advisory in effect through monday afternoon...

.this afternoon...n winds 15 kt with gusts to 20 kt. waves 2 ft. 
.tonight...ne winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft. 
.mon...n winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.mon night...n winds 20 to 25 kt with gusts to 30 kt. waves 3 ft. 
.tue...n winds 20 to 25 kt with gusts to 30 kt. waves 3 ft. 
.tue night...n winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.wed...n winds 15 to 20 kt. waves 2 to 3 ft. 
.thu...n winds 10 to 15 kt. waves 1 to 2 ft.  

$$