fzus51 klwx 181312
cwflwx
expires:202512182100;;799214

coastal waters forecast
national weather service baltimore md/washington dc
812 am est thu dec 18 2025

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.


anz530-182100-
chesapeake bay north of pooles island-
812 am est thu dec 18 2025

...gale warning in effect from 6 pm est this evening through late
friday night...

.today...se winds 5 kt. waves less than 1 ft. 
.tonight...se winds 5 to 10 kt...becoming s 20 to 25 kt with gusts
to 35 kt in the late evening and overnight. waves 2 to 3 ft. rain.
vsby 1 to 3 nm. 
.fri...sw winds 20 to 25 kt with gusts to 30 kt... becoming w with
gusts to 45 kt in the late morning and afternoon. waves 3 ft. rain.
vsby 1 to 3 nm. 
.fri night...w winds 20 to 25 kt with gusts to 40 kt... diminishing
to 10 to 15 kt with gusts to 25 kt after midnight. waves 2 to 3 ft. 
.sat...sw winds 5 to 10 kt. waves 1 ft. 
.sat night...s winds 15 to 20 kt. waves 2 ft. 
.sun...w winds 10 to 15 kt...becoming nw. waves 1 ft. 
.mon...nw winds 10 to 15 kt...becoming sw 5 to 10 kt. waves 1 ft.  

$$

fzus51 klwx 181312
cwflwx
expires:202512182100;;799215

coastal waters forecast
national weather service baltimore md/washington dc
812 am est thu dec 18 2025

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.


anz531-182100-
chesapeake bay from pooles island to sandy point-
812 am est thu dec 18 2025

...gale warning in effect from 6 pm est this evening through late
friday night...

.today...se winds 5 to 10 kt. waves 1 ft or less. a slight chance of
rain this afternoon. 
.tonight...s winds 15 to 20 kt with gusts to 25 kt... increasing to
25 to 30 kt after midnight. waves 3 ft. rain. vsby 1 to 3 nm. 
.fri...sw winds 20 to 25 kt with gusts to 35 kt... becoming w with
gusts to 45 kt in the late morning and afternoon. waves 4 ft. rain.
vsby 1 to 3 nm. 
.fri night...w winds 20 to 25 kt with gusts to 40 kt... diminishing
to 10 to 15 kt with gusts to 25 kt after midnight. waves 3 ft. 
.sat...w winds 5 to 10 kt...becoming s 10 to 15 kt with gusts to
20 kt in the afternoon. waves 1 to 2 ft. 
.sat night...s winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.sun...w winds 15 to 20 kt...becoming nw. waves 2 ft. 
.mon...nw winds 10 to 15 kt...becoming sw 5 to 10 kt. waves 1 to
2 ft.  

$$

fzus51 klwx 181312
cwflwx
expires:202512182100;;799218

coastal waters forecast
national weather service baltimore md/washington dc
812 am est thu dec 18 2025

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.


anz532-182100-
chesapeake bay from sandy point to north beach-
812 am est thu dec 18 2025

...gale warning in effect from 6 pm est this evening through late
friday night...

.today...se winds 5 to 10 kt. waves 1 ft. a slight chance of rain
this afternoon. 
.tonight...s winds 25 to 30 kt. waves 3 ft...building to 5 ft after
midnight. rain. vsby 1 to 3 nm. 
.fri...sw winds 20 to 25 kt...becoming w in the late morning and
afternoon. gusts up to 35 kt...increasing to 40 kt in the afternoon.
waves 4 ft. rain. vsby 1 to 3 nm. 
.fri night...w winds 20 to 25 kt with gusts to 35 kt... becoming nw
10 to 15 kt with gusts to 25 kt after midnight. waves 4 ft...
subsiding to 2 ft after midnight. 
.sat...w winds 5 to 10 kt...becoming s 15 to 20 kt in the afternoon.
waves 1 to 2 ft. 
.sat night...sw winds 20 to 25 kt. waves 4 ft. 
.sun...w winds 15 to 20 kt...becoming nw. waves 2 ft. 
.mon...nw winds 10 to 15 kt...becoming sw. waves 1 to 2 ft.  

$$

fzus51 klwx 181312
cwflwx
expires:202512182100;;799220

coastal waters forecast
national weather service baltimore md/washington dc
812 am est thu dec 18 2025

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.


anz533-182100-
chesapeake bay from north beach to drum point-
812 am est thu dec 18 2025

...gale warning in effect from 6 pm est this evening through late
friday night...

.today...se winds 5 to 10 kt. waves 1 ft. 
.tonight...s winds 25 to 30 kt. waves 4 ft. rain. vsby 1 to 3 nm. 
.fri...sw winds 20 to 25 kt...becoming w in the late morning and
afternoon. gusts up to 35 kt...increasing to 40 kt in the afternoon.
waves 4 ft. rain. vsby 1 to 3 nm. 
.fri night...nw winds 20 to 25 kt with gusts to 35 kt...diminishing
to 10 to 15 kt with gusts to 25 kt after midnight. waves 3 ft. 
.sat...w winds 5 to 10 kt...becoming s 15 to 20 kt in the afternoon.
waves 1 to 2 ft. 
.sat night...sw winds 20 to 25 kt. waves 3 ft. 
.sun...w winds 15 to 20 kt...becoming nw. waves 2 to 3 ft. 
.mon...nw winds 15 to 20 kt...diminishing to 5 to 10 kt in the
afternoon and evening, then becoming sw 10 to 15 kt after midnight.
waves 1 to 2 ft.  

$$