fzus51 klwx 301938
cwflwx
expires:202607310845;;350422

coastal waters forecast
national weather service baltimore md/washington dc
issued by national weather service state college pa
338 pm edt thu jul 30 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.


anz531-310845-
chesapeake bay from pooles island to sandy point-
338 pm edt thu jul 30 2026

...small craft advisory in effect until 6 pm edt this evening...

.rest of this afternoon...nw winds 10 kt with gusts to 20 kt. waves
2 ft. 
.tonight...n winds 5 to 10 kt. waves 1 to 2 ft. 
.fri...nw winds around 5 kt. waves 1 ft or less. 
.fri night...s winds 5 kt. waves less than 1 ft. 
.sat...s 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 2 ft. 
.sun...s winds 5 to 10 kt. waves 1 to 2 ft. a chance of showers. a
chance of tstms through the night. 
.mon...sw winds around 5 kt...becoming n after midnight. waves 1 ft
or less. a chance of showers. a chance of tstms through the night.  

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

$$

fzus51 klwx 301938
cwflwx
expires:202607310845;;350425

coastal waters forecast
national weather service baltimore md/washington dc
issued by national weather service state college pa
338 pm edt thu jul 30 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.


anz532-310845-
chesapeake bay from sandy point to north beach-
338 pm edt thu jul 30 2026

...small craft advisory in effect until 6 pm edt this evening...

.rest of this afternoon...n winds 10 kt with gusts to 20 kt. waves
2 ft. 
.tonight...nw winds 5 to 10 kt. waves 1 to 2 ft. 
.fri...n winds 5 kt. waves less than 1 ft. 
.fri night...s winds 5 to 10 kt. waves 1 ft. 
.sat...s winds 5 kt...increasing to 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...s winds 10 to 15 kt. waves 2 to 3 ft...subsiding to 1 ft
after midnight. a chance of showers. a chance of tstms through the
night. 
.mon...s winds 5 kt. waves less than 1 ft. a chance of showers. a
chance of tstms through the night.  

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

$$

fzus51 klwx 301938
cwflwx
expires:202607310845;;350427

coastal waters forecast
national weather service baltimore md/washington dc
issued by national weather service state college pa
338 pm edt thu jul 30 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.


anz533-310845-
chesapeake bay from north beach to drum point-
338 pm edt thu jul 30 2026

...small craft advisory in effect until 6 pm edt this evening...

.rest of this afternoon...n winds 10 kt with gusts to 20 kt. waves
2 ft. 
.tonight...nw winds 5 to 10 kt. waves 1 to 2 ft. 
.fri...n winds 5 kt. waves less than 1 ft. 
.fri night...s winds 5 to 10 kt. waves 1 ft. 
.sat...s winds 5 kt...increasing to 15 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...s winds 10 to 15 kt. waves 1 ft...building to 3 ft in the
afternoon and evening, then subsiding to 1 ft after midnight. a
chance of showers in the afternoon. a chance of showers and tstms
through the night. 
.mon...s winds 5 kt. waves less than 1 ft. a chance of showers in
the morning, then showers likely with a chance of tstms through the
night.  

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

$$

fzus51 klwx 301938
cwflwx
expires:202607310845;;350430

coastal waters forecast
national weather service baltimore md/washington dc
issued by national weather service state college pa
338 pm edt thu jul 30 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.


anz534-310845-
chesapeake bay from drum point to smith point-
338 pm edt thu jul 30 2026

...small craft advisory in effect until 6 pm edt this evening...

.rest of this afternoon...nw winds 10 kt with gusts to 20 kt. waves
2 ft. 
.tonight...nw winds 5 to 10 kt. waves 1 to 2 ft. 
.fri...n winds around 5 kt. waves 1 ft or less. 
.fri night...s winds 5 to 10 kt. waves 1 ft. 
.sat...s winds 5 kt...increasing to 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...s winds 10 to 15 kt. waves 2 to 3 ft. a chance of showers in
the afternoon. a chance of showers and tstms through the night. 
.mon...sw winds 5 to 10 kt. waves 1 ft. showers likely. a chance of
tstms. a chance of showers after midnight.  

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

$$

fzus51 klwx 301938
cwflwx
expires:202607310845;;350418

coastal waters forecast
national weather service baltimore md/washington dc
issued by national weather service state college pa
338 pm edt thu jul 30 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.


anz535-310845-
tidal potomac from key bridge to indian head-
338 pm edt thu jul 30 2026

...small craft advisory in effect until 6 pm edt this evening...

.rest of this afternoon...nw winds 10 kt with gusts to 20 kt. waves
1 ft. 
.tonight...nw winds 5 to 10 kt. waves 1 ft. 
.fri...nw winds around 5 kt. waves 1 ft. 
.fri night...s winds around 5 kt. waves 1 ft. 
.sat...s winds 5 to 10 kt. gusts up to 20 kt in the afternoon. waves
1 ft. 
.sat night...s winds 5 to 10 kt with gusts to 20 kt. waves 1 ft. 
.sun...s winds 5 to 10 kt. waves 1 ft. a chance of showers in the
morning, then showers likely with a chance of tstms. 
.mon...sw winds around 5 kt. waves 1 ft. showers likely. a chance of
tstms through the night.  

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

$$

fzus51 klwx 301938
cwflwx
expires:202607310845;;350419

coastal waters forecast
national weather service baltimore md/washington dc
issued by national weather service state college pa
338 pm edt thu jul 30 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.


anz536-310845-
tidal potomac from indian head to cobb island-
338 pm edt thu jul 30 2026

...small craft advisory in effect until 6 pm edt this evening...

.rest of this afternoon...nw winds 10 kt with gusts to 20 kt. waves
1 ft. 
.tonight...nw winds 5 to 10 kt. waves 1 ft. 
.fri...nw winds around 5 kt. waves 1 ft. 
.fri night...s winds around 5 kt. waves 1 ft. 
.sat...s winds 5 to 10 kt. waves 1 ft. 
.sat night...s winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.sun...s winds 5 to 10 kt. waves 1 ft. a chance of showers through
the night. a chance of tstms. showers likely after midnight. 
.mon...s winds around 5 kt. waves 1 ft or less. showers likely. a
chance of tstms. a chance of showers after midnight.  

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

$$

fzus51 klwx 301938
cwflwx
expires:202607310845;;350420

coastal waters forecast
national weather service baltimore md/washington dc
issued by national weather service state college pa
338 pm edt thu jul 30 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.


anz537-310845-
tidal potomac from cobb island to smith point-
338 pm edt thu jul 30 2026

...small craft advisory in effect until 6 pm edt this evening...

.rest of this afternoon...nw winds 10 kt with gusts to 20 kt. waves
2 ft. 
.tonight...nw winds 5 to 10 kt. waves 1 ft or less. 
.fri...n winds around 5 kt. waves flat. 
.fri night...s winds 5 to 10 kt. waves 1 ft. 
.sat...s winds around 5 kt...becoming se 10 to 15 kt with gusts to
20 kt in the afternoon. waves 1 to 2 ft. 
.sat night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.sun...s winds 10 to 15 kt. waves 1 to 2 ft. a chance of showers in
the afternoon. a chance of showers and tstms through the night. 
.mon...s winds 5 kt. waves less than 1 ft. showers likely. a chance
of tstms. a chance of showers after midnight.  

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

$$