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coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sat mar 28 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.


anz531-290800-
chesapeake bay from pooles island to sandy point-
227 pm edt sat mar 28 2026

...small craft advisory in effect until 6 pm edt this evening...
...small craft advisory in effect from sunday morning through late
sunday night...

.this afternoon...nw winds 15 kt with gusts to 20 kt. waves 2 ft. 
.tonight...nw winds 5 to 10 kt...becoming e late. waves 2 ft...
subsiding to flat after midnight. 
.sun...s winds around 5 kt...increasing to 10 to 15 kt with gusts to
20 kt in the late morning and afternoon. waves 1 to 2 ft. 
.sun night...s winds 15 to 20 kt with gusts to 25 kt. waves 2 ft. 
.mon...sw winds 10 to 15 kt with gusts to 25 kt. waves 2 ft. 
.mon night...sw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.tue...s winds 15 to 20 kt. waves 2 to 3 ft. 
.wed...sw winds 15 to 20 kt...becoming n 10 to 15 kt. waves 2 to
3 ft. rain likely.  

$$

fzus51 klwx 281827
cwflwx
expires:202603290800;;444506

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sat mar 28 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.


anz532-290800-
chesapeake bay from sandy point to north beach-
227 pm edt sat mar 28 2026

...small craft advisory in effect until 6 pm edt this evening...
...small craft advisory in effect from sunday morning through late
sunday night...

.this afternoon...nw winds 15 kt with gusts to 20 kt. waves 2 ft. 
.tonight...nw winds 5 to 10 kt...becoming s late. waves 2 ft...
subsiding to flat after midnight. 
.sun...s winds 5 kt...increasing to 10 to 15 kt with gusts to 20 kt
in the late morning and afternoon. waves 1 ft... building to 3 ft in
the afternoon. 
.sun night...s winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.mon...sw winds 15 to 20 kt with gusts to 25 kt. waves 2 to 3 ft. 
.mon night...sw winds 15 to 20 kt. waves 2 ft. 
.tue...sw winds 20 to 25 kt. waves 2 to 3 ft. 
.wed...sw winds 20 to 25 kt...diminishing to 15 kt in the afternoon,
then becoming n. waves 2 to 3 ft. rain likely.  

$$

fzus51 klwx 281827
cwflwx
expires:202603290800;;444508

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sat mar 28 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.


anz533-290800-
chesapeake bay from north beach to drum point-
227 pm edt sat mar 28 2026

...small craft advisory in effect until 6 pm edt this evening...
...small craft advisory in effect from sunday afternoon through late
sunday night...

.this afternoon...n winds 15 kt with gusts to 20 kt. waves 2 to
3 ft. 
.tonight...n winds 5 to 10 kt...becoming s late. waves 2 ft...
subsiding to flat after midnight. 
.sun...s winds 10 to 15 kt with gusts to 20 kt. waves 1 ft...
building to 3 ft in the afternoon. 
.sun night...s winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.mon...sw winds 15 to 20 kt with gusts to 25 kt. waves 2 to 3 ft. 
.mon night...sw winds 15 to 20 kt. waves 2 ft. 
.tue...sw winds 20 to 25 kt. waves 2 to 3 ft. 
.wed...sw winds 20 to 25 kt...diminishing to 10 to 15 kt in the
afternoon, then becoming w 15 to 20 kt in the evening...becoming n
after midnight. waves 2 to 3 ft. rain likely.  

$$

fzus51 klwx 281827
cwflwx
expires:202603290800;;444511

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sat mar 28 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.


anz534-290800-
chesapeake bay from drum point to smith point-
227 pm edt sat mar 28 2026

...small craft advisory in effect until 6 pm edt this evening...
...small craft advisory in effect from sunday afternoon through late
sunday night...

.this afternoon...n winds 15 to 20 kt with gusts to 25 kt. waves
3 ft. 
.tonight...n winds 5 to 10 kt...becoming se late. waves 1 to 2 ft. 
.sun...s winds 10 to 15 kt with gusts to 20 kt. waves 1 ft...
building to 3 ft in the afternoon. 
.sun night...s winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.mon...sw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.mon night...sw winds 15 to 20 kt. waves 2 to 3 ft. 
.tue...s winds 20 to 25 kt. waves 3 ft. 
.wed...sw winds 15 to 20 kt...becoming n after midnight. waves 2 to
3 ft. a chance of rain in the afternoon. a chance of tstms through
the night. rain likely through the night.  

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

$$

fzus51 klwx 281827
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expires:202603290800;;444499

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sat mar 28 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.


anz535-290800-
tidal potomac from key bridge to indian head-
227 pm edt sat mar 28 2026

...small craft advisory in effect until 6 pm edt this evening...
...small craft advisory in effect from sunday morning through late
sunday night...

.this afternoon...nw winds 10 kt with gusts to 20 kt. waves 1 ft. 
.tonight...nw winds 5 to 10 kt early in the evening... becoming
light. waves 1 ft or less. 
.sun...s winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.sun night...s winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.mon...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.mon night...sw winds 5 to 10 kt with gusts to 20 kt. waves 1 ft. 
.tue...sw winds 10 to 15 kt. waves 1 to 2 ft. 
.wed...sw winds 10 to 15 kt...becoming n 5 to 10 kt. waves 1 ft.
rain. 

$$

fzus51 klwx 281827
cwflwx
expires:202603290800;;444500

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sat mar 28 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.


anz536-290800-
tidal potomac from indian head to cobb island-
227 pm edt sat mar 28 2026

...small craft advisory in effect until 6 pm edt this evening...
...small craft advisory in effect from sunday morning through late
sunday night...

.this afternoon...nw winds 10 to 15 kt with gusts to 20 kt. waves
1 ft. 
.tonight...n winds 5 to 10 kt...becoming s in the late evening and
overnight. waves 1 ft. 
.sun...sw winds 5 to 10 kt. gusts up to 20 kt in the late morning
and afternoon. waves 1 ft. 
.sun night...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft. 
.mon...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. 
.mon night...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.tue...sw winds 15 to 20 kt. waves 1 to 2 ft. 
.wed...sw winds 15 to 20 kt...becoming n 10 to 15 kt after midnight.
waves 1 to 2 ft. rain likely.  

$$

fzus51 klwx 281827
cwflwx
expires:202603290800;;444501

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sat mar 28 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.


anz537-290800-
tidal potomac from cobb island to smith point-
227 pm edt sat mar 28 2026

...small craft advisory in effect until 6 pm edt this evening...
...small craft advisory in effect from sunday afternoon through late
sunday night...

.this afternoon...nw winds 15 kt with gusts to 25 kt. waves 2 to
3 ft. 
.tonight...n winds 5 to 10 kt...becoming sw late. waves 1 ft or
less. 
.sun...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. 
.sun night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.mon...sw winds 15 kt with gusts to 20 kt. waves 2 ft. 
.mon night...sw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.tue...sw winds 15 to 20 kt. waves 2 ft. 
.wed...sw winds 15 to 20 kt...becoming w 10 to 15 kt in the evening,
then becoming n after midnight. waves 2 ft. rain likely with a
chance of tstms through the night. rain likely after midnight.  

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

$$