fzus51 klwx 181157
cwflwx
expires:202512182100;;796117

coastal waters forecast
national weather service baltimore md/washington dc
657 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-
657 am est thu dec 18 2025

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

.today...e winds 5 kt...becoming se late. 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 181157
cwflwx
expires:202512182100;;796120

coastal waters forecast
national weather service baltimore md/washington dc
657 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-
657 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...becoming s late. 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 181157
cwflwx
expires:202512182100;;796122

coastal waters forecast
national weather service baltimore md/washington dc
657 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-
657 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.  

$$

fzus51 klwx 181157
cwflwx
expires:202512182100;;796125

coastal waters forecast
national weather service baltimore md/washington dc
657 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.


anz534-182100-
chesapeake bay from drum point to smith point-
657 am est thu dec 18 2025

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

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

$$

fzus51 klwx 181157
cwflwx
expires:202512182100;;796113

coastal waters forecast
national weather service baltimore md/washington dc
657 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.


anz535-182100-
tidal potomac from key bridge to indian head-
657 am est thu dec 18 2025

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

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

$$

fzus51 klwx 181157
cwflwx
expires:202512182100;;796114

coastal waters forecast
national weather service baltimore md/washington dc
657 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.


anz536-182100-
tidal potomac from indian head to cobb island-
657 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. a slight chance of
rain this afternoon. 
.tonight...s winds 20 to 25 kt with gusts to 35 kt. waves 2 to 3 ft.
rain. vsby 1 to 3 nm. 
.fri...sw winds 20 to 25 kt...becoming w 15 to 20 kt in the late
morning and afternoon. gusts up to 35 kt. waves 2 to 3 ft. rain
likely. vsby 1 to 3 nm. 
.fri night...nw winds 10 to 15 kt with gusts to 30 kt...diminishing
to around 5 kt after midnight. waves 1 to 2 ft. 
.sat...s winds around 5 kt...increasing to 10 to 15 kt with gusts to
20 kt in the afternoon. waves 1 ft. 
.sat night...sw winds 15 to 20 kt with gusts to 25 kt. waves 2 ft. 
.sun...w winds 10 to 15 kt...becoming nw. waves 1 ft. 
.mon...nw winds 5 to 10 kt...becoming s. waves 1 ft.  

$$

fzus51 klwx 181157
cwflwx
expires:202512182100;;796115

coastal waters forecast
national weather service baltimore md/washington dc
657 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.


anz537-182100-
tidal potomac from cobb island to smith point-
657 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...becoming 10 kt late. waves 1 ft. 
.tonight...s winds 20 to 25 kt with gusts to 35 kt. waves 3 ft.
rain. vsby 1 to 3 nm. 
.fri...sw winds 20 to 25 kt with gusts to 40 kt... becoming w 15 to
20 kt with gusts to 35 kt in the late morning and afternoon. waves
4 ft. rain likely. vsby 1 to 3 nm. 
.fri night...nw winds 15 to 20 kt with gusts to 30 kt...diminishing
to 5 to 10 kt with gusts to 20 kt after midnight. waves 2 to 3 ft. 
.sat...w winds 5 kt...becoming s 10 to 15 kt in the afternoon. waves
1 ft. 
.sat night...sw winds 15 to 20 kt with gusts to 25 kt. waves 2 ft. 
.sun...w winds 10 to 15 kt...becoming nw 15 to 20 kt. waves 2 ft. 
.mon...nw winds 10 to 15 kt...becoming sw 5 to 10 kt. waves 1 to
2 ft.  

$$