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coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt fri may 22 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.


anz531-230800-
chesapeake bay from pooles island to sandy point-
227 pm edt fri may 22 2026

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

.this afternoon...e winds 15 kt with gusts to 20 kt. waves 2 ft.
widespread showers. 
.tonight...e winds 15 kt with gusts to 20 kt. waves 2 ft. rain.
areas of fog. vsby 1 to 3 nm. 
.sat...e winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. rain.
areas of fog. vsby 1 to 3 nm. 
.sat night...e winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft. rain. areas of fog. 
.sun...e winds 5 to 10 kt. waves 1 ft. rain.
.sun night...se winds 5 to 10 kt. waves 1 ft. showers likely. 
.mon...s winds around 5 kt. waves 1 ft or less. showers likely in
the morning. a chance of showers. 
.tue...light winds. waves flat. a chance of showers through the day.
 

$$

fzus51 klwx 221827
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expires:202605230800;;466462

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt fri may 22 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.


anz532-230800-
chesapeake bay from sandy point to north beach-
227 pm edt fri may 22 2026

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

.this afternoon...e winds 15 kt with gusts to 20 kt. waves 2 ft.
widespread showers. areas of fog. vsby 1 to 3 nm. 
.tonight...e winds 15 kt with gusts to 25 kt. waves 2 ft. rain.
areas of fog. vsby 1 to 3 nm. 
.sat...e winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. rain.
areas of fog. vsby 1 to 3 nm. 
.sat night...e winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft. rain. areas of fog. 
.sun...se winds 5 to 10 kt. waves 1 ft. rain.
.sun night...se winds 5 to 10 kt. waves 1 ft. showers likely. 
.mon...s winds 5 to 10 kt...becoming light. waves 1 ft or less.
showers likely . 
.tue...se winds around 5 kt. waves flat. a chance of showers.  

$$

fzus51 klwx 221827
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expires:202605230800;;466464

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt fri may 22 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.


anz533-230800-
chesapeake bay from north beach to drum point-
227 pm edt fri may 22 2026

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

.this afternoon...e winds 15 kt with gusts to 20 kt. waves 3 ft.
widespread showers. 
.tonight...e winds 15 kt with gusts to 25 kt. waves 3 ft. numerous
showers. areas of fog. vsby 1 to 3 nm. 
.sat...e winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. rain.
areas of fog. vsby 1 to 3 nm. 
.sat night...e winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft. rain. areas of fog. 
.sun...se winds 5 to 10 kt. waves 1 ft. showers.
.sun night...s winds 5 to 10 kt. waves 1 ft. showers likely. 
.mon...se winds 5 to 10 kt. waves 1 ft or less. showers likely . 
.tue...e winds around 5 kt. waves flat. showers likely through the
day. a chance of showers through the night.  

$$

fzus51 klwx 221827
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expires:202605230800;;466467

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt fri may 22 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.


anz534-230800-
chesapeake bay from drum point to smith point-
227 pm edt fri may 22 2026

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

.this afternoon...e winds 15 to 20 kt with gusts to 25 kt. waves
3 ft. rain likely. 
.tonight...e winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
scattered showers. areas of fog. vsby 1 to 3 nm. 
.sat...e winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. rain.
areas of fog. vsby 1 to 3 nm. 
.sat night...e winds 15 to 20 kt. gusts up to 25 kt in the evening.
waves 4 ft...subsiding to 2 ft after midnight. rain. areas of fog. 
.sun...s winds 5 to 10 kt. waves 1 to 2 ft. showers.
.sun night...s winds 10 to 15 kt. waves 2 ft. showers likely. 
.mon...s winds 5 to 10 kt. waves 1 to 2 ft. showers likely. 
.tue...e winds around 5 kt. waves flat. showers likely through the
day. a chance of showers through the night.  

$$

fzus51 klwx 221827
cwflwx
expires:202605230800;;466455

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt fri may 22 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.


anz535-230800-
tidal potomac from key bridge to indian head-
227 pm edt fri may 22 2026

.this afternoon...e winds 10 kt. waves 1 ft. widespread showers.
areas of fog. vsby 1 to 3 nm. 
.tonight...e winds 10 kt. waves 1 ft. widespread showers. areas of
fog. vsby 1 to 3 nm. 
.sat...e winds 10 kt. waves 1 ft. rain. areas of fog. vsby 1 to
3 nm. 
.sat night...e winds 5 to 10 kt. waves 1 ft. rain. areas of fog. 
.sun...se winds 5 kt. waves less than 1 ft. rain.
.sun night...se winds 5 kt. waves less than 1 ft. a chance of
showers. 
.mon...s winds around 5 kt. waves 1 ft or less. a chance of showers
in the morning, then showers likely through the night. a chance of
showers after midnight. 
.tue...e winds around 5 kt. waves flat. showers likely through the
day. a chance of showers through the night.  

$$

fzus51 klwx 221827
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expires:202605230800;;466456

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt fri may 22 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.


anz536-230800-
tidal potomac from indian head to cobb island-
227 pm edt fri may 22 2026

.this afternoon...ne winds 10 kt. waves 1 ft. widespread showers.
areas of fog. vsby 1 to 3 nm. 
.tonight...ne winds 10 kt. waves 1 ft. numerous showers. areas of
fog. vsby 1 to 3 nm. 
.sat...e winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. rain.
areas of fog. vsby 1 to 3 nm. 
.sat night...e winds 5 to 10 kt. waves 1 ft. rain. areas of fog. 
.sun...w winds 5 kt. waves less than 1 ft. rain likely. 
.sun night...s winds 5 to 10 kt. waves 1 ft. showers likely. 
.mon...s winds around 5 kt. waves 1 ft or less. showers likely. a
chance of tstms through the night. 
.tue...e winds around 5 kt. waves 1 ft or less. showers likely
through the day. a chance of showers through the night.  

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

$$

fzus51 klwx 221827
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expires:202605230800;;466457

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt fri may 22 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.


anz537-230800-
tidal potomac from cobb island to smith point-
227 pm edt fri may 22 2026

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

.this afternoon...e winds 15 kt with gusts to 20 kt. waves 3 ft.
rain likely. 
.tonight...e winds 10 to 15 kt with gusts to 25 kt. waves 3 ft.
scattered showers. areas of fog. vsby 1 to 3 nm. 
.sat...e winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. rain.
areas of fog. vsby 1 to 3 nm. 
.sat night...e winds 10 to 15 kt. gusts up to 25 kt in the evening.
waves 2 to 3 ft. rain. areas of fog. 
.sun...s winds 5 to 10 kt. waves 1 ft. showers.
.sun night...s winds 5 to 10 kt. waves 1 ft. showers likely. 
.mon...s winds 5 to 10 kt. waves 1 ft or less. showers likely in the
morning, then showers. 
.tue...e winds around 5 kt. waves flat. showers likely through the
day. a chance of showers through the night.  

$$