fzus51 klwx 271828
cwflwx
expires:202603280800;;391155

coastal waters forecast
national weather service baltimore md/washington dc
228 pm edt fri mar 27 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.


anz531-280800-
chesapeake bay from pooles island to sandy point-
228 pm edt fri mar 27 2026

...small craft advisory in effect until 4 pm edt this afternoon...
...small craft advisory in effect from 2 am edt saturday through
saturday afternoon...

.this afternoon...n winds 15 kt with gusts to 20 kt. waves 2 ft.
showers likely. 
.tonight...n winds 5 to 10 kt with gusts to 20 kt... increasing to
15 to 20 kt with gusts to 25 kt late. waves 2 to 3 ft. 
.sat...nw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.sat night...nw winds 5 to 10 kt. waves 2 ft... subsiding to flat
after midnight. 
.sun...s winds 10 to 15 kt. gusts up to 25 kt in the afternoon.
waves 1 ft...building to 3 ft in the afternoon. 
.sun night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.mon...sw winds 10 to 15 kt. waves 1 to 2 ft. 
.tue...s winds 15 to 20 kt. waves 2 to 3 ft.  

$$

fzus51 klwx 271828
cwflwx
expires:202603280800;;391158

coastal waters forecast
national weather service baltimore md/washington dc
228 pm edt fri mar 27 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.


anz532-280800-
chesapeake bay from sandy point to north beach-
228 pm edt fri mar 27 2026

...small craft advisory in effect until 8 pm edt this evening...
...small craft advisory in effect from 2 am edt saturday through
saturday afternoon...

.this afternoon...n winds 15 kt with gusts to 20 kt. waves 2 ft.
showers.
.tonight...n winds 5 to 10 kt with gusts to 20 kt... increasing to
15 to 20 kt with gusts to 25 kt late. waves 2 to 3 ft. a chance of
showers. 
.sat...n winds 15 to 20 kt. gusts up to 30 kt... diminishing to
20 kt late. waves 3 ft. 
.sat night...w winds 5 to 10 kt. waves 1 ft or less. 
.sun...s winds 15 to 20 kt. waves 2 to 3 ft. 
.sun night...s winds 15 to 20 kt. waves 3 ft. 
.mon...sw winds 15 to 20 kt...diminishing to 10 to 15 kt. waves 2 to
3 ft...subsiding to 1 to 2 ft. 
.tue...s winds 20 to 25 kt. waves 2 to 3 ft.  

$$

fzus51 klwx 271828
cwflwx
expires:202603280800;;391160

coastal waters forecast
national weather service baltimore md/washington dc
228 pm edt fri mar 27 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.


anz533-280800-
chesapeake bay from north beach to drum point-
228 pm edt fri mar 27 2026

...small craft advisory in effect until 8 pm edt this evening...
...small craft advisory in effect from 2 am edt saturday through
saturday afternoon...

.this afternoon...n winds 15 kt with gusts to 25 kt. waves 3 ft.
showers.
.tonight...n winds 15 to 20 kt with gusts to 25 kt. waves 2 to 3 ft.
showers likely. 
.sat...n winds 20 to 25 kt with gusts to 30 kt... diminishing to
10 to 15 kt with gusts to 20 kt late. waves 3 ft. 
.sat night...w winds 5 to 10 kt. waves 2 ft...subsiding to flat
after midnight. 
.sun...s winds 15 to 20 kt. waves 2 to 3 ft. 
.sun night...s winds 15 to 20 kt. waves 3 ft. 
.mon...sw winds 15 to 20 kt. waves 2 to 3 ft... subsiding to 1 to
2 ft. 
.tue...sw winds 20 to 25 kt. waves 2 to 3 ft.  

$$

fzus51 klwx 271828
cwflwx
expires:202603280800;;391163

coastal waters forecast
national weather service baltimore md/washington dc
228 pm edt fri mar 27 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.


anz534-280800-
chesapeake bay from drum point to smith point-
228 pm edt fri mar 27 2026

...small craft advisory in effect until 8 pm edt this evening...
...small craft advisory in effect from 2 am edt saturday through
saturday afternoon...

.this afternoon...n winds 15 kt with gusts to 25 kt. waves 3 ft.
showers.
.tonight...n winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
showers.
.sat...n winds 20 to 25 kt...diminishing to 10 to 15 kt late. gusts
up to 30 kt. waves 4 ft. 
.sat night...n winds 5 to 10 kt...becoming s after midnight. 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. waves 3 ft. 
.mon...sw winds 15 to 20 kt. waves 2 to 3 ft. 
.tue...s winds 20 to 25 kt. waves 2 to 3 ft.  

$$

fzus51 klwx 271828
cwflwx
expires:202603280800;;391151

coastal waters forecast
national weather service baltimore md/washington dc
228 pm edt fri mar 27 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.


anz535-280800-
tidal potomac from key bridge to indian head-
228 pm edt fri mar 27 2026

...small craft advisory in effect until 4 pm edt this afternoon...
...small craft advisory in effect from 2 am edt saturday through
saturday afternoon...

.this afternoon...n winds 10 kt with gusts to 20 kt. waves 1 ft.
showers.
.tonight...n winds 10 to 15 kt. gusts up to 20 kt after midnight.
waves 1 ft. a chance of showers and flurries. 
.sat...nw winds 10 to 15 kt with gusts to 25 kt. waves 1 ft. 
.sat night...nw winds 5 to 10 kt...becoming sw after midnight. waves
1 ft. 
.sun...s winds 10 to 15 kt with gusts to 25 kt. waves 1 ft. 
.sun night...s winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.mon...sw winds 5 to 10 kt. waves 1 ft. 
.tue...sw winds 10 to 15 kt. waves 1 to 2 ft.  

$$

fzus51 klwx 271828
cwflwx
expires:202603280800;;391152

coastal waters forecast
national weather service baltimore md/washington dc
228 pm edt fri mar 27 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.


anz536-280800-
tidal potomac from indian head to cobb island-
228 pm edt fri mar 27 2026

...small craft advisory in effect until 8 pm edt this evening...
...small craft advisory in effect from 2 am edt saturday through
saturday afternoon...

.this afternoon...n winds 10 kt with gusts to 20 kt. waves 1 ft.
showers.
.tonight...n winds 5 to 10 kt...increasing to 15 to 20 kt with gusts
to 25 kt late. waves 1 to 2 ft. showers likely. 
.sat...n winds 15 to 20 kt...becoming nw 10 kt late. gusts up to
25 kt. waves 2 ft. 
.sat night...n winds 5 to 10 kt...becoming sw after midnight. waves
1 ft. 
.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. waves 1 ft. 
.tue...sw winds 15 to 20 kt. waves 1 to 2 ft.  

$$

fzus51 klwx 271828
cwflwx
expires:202603280800;;391153

coastal waters forecast
national weather service baltimore md/washington dc
228 pm edt fri mar 27 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.


anz537-280800-
tidal potomac from cobb island to smith point-
228 pm edt fri mar 27 2026

...small craft advisory in effect until 8 pm edt this evening...
...small craft advisory in effect from 2 am edt saturday through
saturday afternoon...

.this afternoon...n winds 15 kt with gusts to 25 kt. waves 2 ft.
showers.
.tonight...n winds 15 to 20 kt with gusts to 25 kt. waves 2 ft.
showers.
.sat...n winds 20 to 25 kt with gusts to 30 kt... becoming nw 10 to
15 kt with gusts to 25 kt in the afternoon. waves 3 ft. 
.sat night...n winds 5 to 10 kt...becoming sw after midnight. waves
2 ft...subsiding to flat after midnight. 
.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 10 to 15 kt. waves 1 to 2 ft. 
.tue...sw winds 15 to 20 kt. waves 2 ft.  

$$