fzus51 klwx 211004
cwflwx
expires:202601212200;;262911

coastal waters forecast
national weather service baltimore md/washington dc
504 am est wed jan 21 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.


anz531-212200-
chesapeake bay from pooles island to sandy point-
504 am est wed jan 21 2026

...small craft advisory in effect from 11 am est this morning
through late tonight...

.today...se winds 5 to 10 kt...becoming s 15 kt with gusts to 25 kt
this afternoon. waves 1 to 2 ft...building to 3 ft late. 
.tonight...sw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.thu...w winds 10 kt with gusts to 20 kt. waves 1 ft. 
.thu night...nw winds 5 to 10 kt. waves 1 ft. 
.fri...nw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
waves 1 to 2 ft. 
.fri night...nw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.sat...n winds 15 to 20 kt...becoming ne 10 to 15 kt. waves 1 to
2 ft. a chance of snow in the afternoon. snow through the night. 
.sun...ne winds 10 to 15 kt. waves 1 to 2 ft. snow through the day,
then a chance of snow through the night.  

$$

fzus51 klwx 211004
cwflwx
expires:202601212200;;262914

coastal waters forecast
national weather service baltimore md/washington dc
504 am est wed jan 21 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.


anz532-212200-
chesapeake bay from sandy point to north beach-
504 am est wed jan 21 2026

...small craft advisory in effect from 11 am est this morning
through late tonight...

.today...s winds 10 to 15 kt. gusts up to 25 kt. waves 1 to 2 ft...
building to 3 ft late. 
.tonight...s winds 10 to 15 kt with gusts to 20 kt. waves 2 to 3 ft.
.thu...w winds 5 to 10 kt. waves 1 to 2 ft. 
.thu night...nw winds 5 kt. waves less than 1 ft. 
.fri...nw winds 10 to 15 kt. waves 1 ft. 
.fri night...nw winds 20 to 25 kt. waves 3 ft. 
.sat...n winds 15 to 20 kt...becoming ne 10 to 15 kt. waves 2 to
3 ft...subsiding to 1 to 2 ft. a chance of snow in the afternoon.
snow through the night. 
.sun...n winds 15 to 20 kt. waves 2 ft. snow. 

$$

fzus51 klwx 211004
cwflwx
expires:202601212200;;262916

coastal waters forecast
national weather service baltimore md/washington dc
504 am est wed jan 21 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.


anz533-212200-
chesapeake bay from north beach to drum point-
504 am est wed jan 21 2026

...small craft advisory in effect from 11 am est this morning
through late tonight...

.today...se winds 10 kt...becoming s with gusts to 25 kt this
afternoon. waves 1 to 2 ft...building to 3 ft late. 
.tonight...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.thu...sw winds 10 to 15 kt...becoming w 5 to 10 kt late. waves 1 to
2 ft. 
.thu night...nw winds 5 kt. waves less than 1 ft. 
.fri...n winds 5 kt...becoming nw 10 to 15 kt in the afternoon.
waves 1 to 2 ft. 
.fri night...n winds 20 to 25 kt. waves 4 ft. 
.sat...n winds 20 to 25 kt...becoming ne 15 to 20 kt. waves 4 ft...
subsiding to 2 ft. a chance of snow in the afternoon. snow through
the night. 
.sun...n winds 15 to 20 kt. waves 2 to 3 ft. snow. 

$$

fzus51 klwx 211004
cwflwx
expires:202601212200;;262919

coastal waters forecast
national weather service baltimore md/washington dc
504 am est wed jan 21 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.


anz534-212200-
chesapeake bay from drum point to smith point-
504 am est wed jan 21 2026

...small craft advisory in effect from 11 am est this morning
through late tonight...

.today...se winds 10 kt...becoming s 15 to 20 kt with gusts to 25 kt
this afternoon. waves 1 to 2 ft...building to 3 ft late. 
.tonight...sw winds 15 to 20 kt. waves 3 ft. 
.thu...sw winds 10 to 15 kt. waves 1 to 2 ft. 
.thu night...nw winds 5 kt. waves less than 1 ft. 
.fri...n winds 5 to 10 kt. waves 1 ft. a chance of snow and rain. 
.fri night...n winds 20 to 25 kt. waves 3 ft. 
.sat...n winds 20 to 25 kt...becoming ne 15 to 20 kt. waves 3 ft...
subsiding to 2 to 3 ft. a chance of snow in the afternoon. snow
through the night. 
.sun...n winds 15 to 20 kt. waves 3 ft. snow. 

$$

fzus51 klwx 211004
cwflwx
expires:202601212200;;262907

coastal waters forecast
national weather service baltimore md/washington dc
504 am est wed jan 21 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.


anz535-212200-
tidal potomac from key bridge to indian head-
504 am est wed jan 21 2026

...small craft advisory in effect from 11 am est this morning
through late tonight...

.today...e winds 5 kt...becoming s with gusts to 20 kt late this
morning and afternoon. waves 1 ft. 
.tonight...s winds 5 to 10 kt. waves 1 ft. 
.thu...w winds 5 to 10 kt. gusts up to 20 kt in the late morning and
afternoon. waves 1 ft. 
.thu night...nw winds around 5 kt. waves 1 ft. 
.fri...nw winds 5 to 10 kt. waves 1 ft. 
.fri night...nw winds 10 kt with gusts to 20 kt. waves 1 ft. 
.sat...n winds 5 to 10 kt. waves 1 ft. a chance of snow in the
afternoon. snow through the night. 
.sun...n winds 5 to 10 kt. waves 1 ft. snow through the day, then a
chance of snow through the night.  

$$

fzus51 klwx 211004
cwflwx
expires:202601212200;;262908

coastal waters forecast
national weather service baltimore md/washington dc
504 am est wed jan 21 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.


anz536-212200-
tidal potomac from indian head to cobb island-
504 am est wed jan 21 2026

...small craft advisory in effect from 11 am est this morning
through late tonight...

.today...se winds 5 to 10 kt...becoming s with gusts to 20 kt this
afternoon. waves 1 ft. 
.tonight...s winds 5 to 10 kt. waves 1 ft. 
.thu...w winds 5 to 10 kt. waves 1 ft. 
.thu night...n winds around 5 kt. waves 1 ft or less. 
.fri...nw winds 5 to 10 kt. waves 1 ft. 
.fri night...n winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.sat...n winds 10 to 15 kt...becoming ne 5 to 10 kt. waves 1 ft. a
chance of snow in the afternoon. snow through the night. 
.sun...n winds 5 to 10 kt. waves 1 ft. snow through the day, then a
chance of snow through the night.  

$$

fzus51 klwx 211004
cwflwx
expires:202601212200;;262909

coastal waters forecast
national weather service baltimore md/washington dc
504 am est wed jan 21 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.


anz537-212200-
tidal potomac from cobb island to smith point-
504 am est wed jan 21 2026

...small craft advisory in effect from 11 am est this morning
through late tonight...

.today...se winds 5 to 10 kt...becoming s 10 to 15 kt with gusts to
20 kt this afternoon. waves 1 to 2 ft. 
.tonight...sw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.thu...w winds 5 to 10 kt. waves 1 ft. 
.thu night...nw winds around 5 kt. waves 1 ft or less. 
.fri...n winds 5 to 10 kt. waves 1 ft. a chance of rain. 
.fri night...n winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft. 
.sat...n winds 15 to 20 kt. waves 2 to 3 ft. a chance of snow in the
afternoon. snow through the night. 
.sun...n winds 15 to 20 kt. waves 2 to 3 ft. snow. 

$$