fzus51 klwx 122357
cwflwx
expires:202603130800;;570427

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt thu mar 12 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.


anz531-130800-
chesapeake bay from pooles island to sandy point-
757 pm edt thu mar 12 2026

...small craft advisory in effect until 11 pm edt this evening...
...small craft advisory in effect from friday morning through late
friday night...

.tonight...nw winds 10 to 15 kt...becoming w 5 kt late. gusts up to
20 kt until early morning. waves 1 to 2 ft. 
.fri...sw winds 5 to 10 kt...becoming s 20 to 25 kt with gusts to
30 kt in the late morning and afternoon. waves 2 ft...building to
4 ft in the afternoon. 
.fri night...sw winds 15 to 20 kt...becoming w 10 to 15 kt late.
gusts up to 30 kt. waves 4 ft...subsiding to 2 ft after midnight. 
.sat...w winds 10 to 15 kt with gusts to 25 kt. waves 2 ft. 
.sat night...ne winds 5 to 10 kt. waves 1 ft. 
.sun...se winds 15 to 20 kt. waves 1 to 2 ft. 
.sun night...se winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft. showers.
.mon...s winds 25 to 30 kt...becoming w. waves 3 ft. showers. a
chance of tstms through the night, then a chance of showers after
midnight. 
.tue...w winds 15 to 20 kt...becoming nw 5 to 10 kt after midnight.
waves 2 to 3 ft...subsiding to 1 ft after midnight.  

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

$$

fzus51 klwx 122357
cwflwx
expires:202603130800;;570430

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt thu mar 12 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.


anz532-130800-
chesapeake bay from sandy point to north beach-
757 pm edt thu mar 12 2026

...small craft advisory in effect until 11 pm edt this evening...
...small craft advisory in effect from friday morning through late
friday night...

.tonight...nw winds 10 to 15 kt...becoming w 5 kt late. gusts up to
20 kt until early morning. waves 1 to 2 ft. 
.fri...sw winds 5 to 10 kt...becoming s 20 to 25 kt with gusts to
30 kt in the late morning and afternoon. waves 2 ft...building to
5 ft in the afternoon. 
.fri night...sw winds 15 to 20 kt with gusts to 30 kt...becoming w
10 to 15 kt with gusts to 20 kt late. waves 3 ft. 
.sat...w winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.sat night...ne winds 5 to 10 kt. waves 1 ft. 
.sun...se winds 15 to 20 kt. waves 2 to 3 ft. 
.sun night...se winds 20 to 25 kt. waves 3 ft. showers.
.mon...s winds 25 to 30 kt...becoming w. waves 5 ft... subsiding to
3 ft after midnight. showers. a chance of tstms through the night,
then a chance of showers after midnight. 
.tue...w winds 15 to 20 kt...becoming nw 5 to 10 kt after midnight.
waves 1 to 2 ft.  

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

$$

fzus51 klwx 122357
cwflwx
expires:202603130800;;570432

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt thu mar 12 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.


anz533-130800-
chesapeake bay from north beach to drum point-
757 pm edt thu mar 12 2026

...small craft advisory in effect until 11 pm edt this evening...
...small craft advisory in effect from friday morning through late
friday night...

.tonight...nw winds 10 to 15 kt...becoming w 5 kt late. gusts up to
20 kt until early morning. waves 1 to 2 ft. 
.fri...s winds 20 to 25 kt with gusts to 30 kt. waves 2 ft...
building to 4 ft in the afternoon. 
.fri night...sw winds 15 to 20 kt with gusts to 30 kt...becoming w
10 to 15 kt with gusts to 20 kt late. waves 3 ft. 
.sat...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.sat night...e winds 5 to 10 kt. waves 1 ft. 
.sun...se winds 15 to 20 kt. waves 2 to 3 ft. 
.sun night...se winds 20 to 25 kt. waves 3 ft. showers.
.mon...s winds 25 to 30 kt...becoming nw 20 to 25 kt after midnight.
waves 5 ft...subsiding to 3 ft after midnight. showers. a chance of
tstms through the night. 
.tue...nw winds 15 to 20 kt...diminishing to 5 to 10 kt after
midnight. waves 2 to 3 ft.  

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

$$

fzus51 klwx 122357
cwflwx
expires:202603130800;;570435

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt thu mar 12 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.


anz534-130800-
chesapeake bay from drum point to smith point-
757 pm edt thu mar 12 2026

...small craft advisory in effect until 11 pm edt this evening...
...small craft advisory in effect from friday morning through late
friday night...

.tonight...nw winds 10 to 15 kt with gusts to 25 kt. waves 2 to
3 ft. 
.fri...sw winds 5 to 10 kt...becoming s 20 to 25 kt with gusts to
30 kt in the late morning and afternoon. waves 2 ft...building to
5 ft in the afternoon. 
.fri night...sw winds 20 to 25 kt with gusts to 30 kt...becoming w
10 to 15 kt with gusts to 20 kt late. waves 4 ft. 
.sat...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.sat night...e winds 5 to 10 kt. waves 1 ft. 
.sun...se winds 15 to 20 kt. waves 2 to 3 ft. 
.sun night...se winds 20 to 25 kt. waves 4 ft. showers.
.mon...s winds 25 to 30 kt...becoming nw 20 to 25 kt after midnight.
waves 5 ft...subsiding to 3 ft after midnight. showers. a chance of
tstms through the night. 
.tue...nw winds 15 to 20 kt. waves 2 to 3 ft.  

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

$$

fzus51 klwx 122357
cwflwx
expires:202603130800;;570423

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt thu mar 12 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.


anz535-130800-
tidal potomac from key bridge to indian head-
757 pm edt thu mar 12 2026

...small craft advisory in effect until 11 pm edt this evening...
...small craft advisory in effect from friday morning through late
friday night...

.tonight...w winds 5 to 10 kt with gusts to 20 kt... becoming sw
late. waves 1 ft. 
.fri...s winds 5 to 10 kt with gusts to 25 kt... increasing to 15 to
20 kt with gusts to 30 kt in the afternoon. waves 1 to 2 ft. 
.fri night...sw winds 10 to 15 kt with gusts to 30 kt...becoming w
5 to 10 kt late. waves 1 ft. 
.sat...w winds 5 to 10 kt with gusts to 20 kt. waves 1 ft. 
.sat night...e winds around 5 kt. waves 1 ft. 
.sun...se winds 10 to 15 kt. gusts up to 25 kt in the afternoon.
waves 1 ft. 
.sun night...se winds 10 to 15 kt with gusts to 25 kt. waves 1 ft.
showers.
.mon...s winds 15 to 20 kt...becoming w. waves 1 to 2 ft. showers. a
chance of tstms through the night, then a chance of showers after
midnight. 
.tue...w winds 10 to 15 kt...becoming nw around 5 kt after midnight.
waves 1 ft.  

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

$$

fzus51 klwx 122357
cwflwx
expires:202603130800;;570424

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt thu mar 12 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.


anz536-130800-
tidal potomac from indian head to cobb island-
757 pm edt thu mar 12 2026

...small craft advisory in effect until 11 pm edt this evening...
...small craft advisory in effect from friday morning through late
friday night...

.tonight...w winds 5 to 10 kt. gusts up to 20 kt this evening. waves
1 ft. 
.fri...s winds 15 to 20 kt with gusts to 30 kt. waves 2 ft. 
.fri night...sw winds 15 to 20 kt with gusts to 30 kt...becoming w
5 to 10 kt late. waves 1 to 2 ft. 
.sat...w winds 5 to 10 kt. waves 1 ft. 
.sat night...e winds 5 kt. waves less than 1 ft. 
.sun...e winds 5 to 10 kt...becoming se 15 to 20 kt in the
afternoon. waves 1 to 2 ft. 
.sun night...se winds 20 to 25 kt. waves 2 ft. showers.
.mon...s winds 20 to 25 kt...becoming w. waves 2 ft. showers. a
chance of tstms through the night, then a chance of showers after
midnight. 
.tue...w winds 10 to 15 kt...becoming nw around 5 kt after midnight.
waves 1 ft.  

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

$$

fzus51 klwx 122357
cwflwx
expires:202603130800;;570425

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt thu mar 12 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.


anz537-130800-
tidal potomac from cobb island to smith point-
757 pm edt thu mar 12 2026

...small craft advisory in effect until 11 pm edt this evening...
...small craft advisory in effect from friday morning through late
friday night...

.tonight...nw winds 10 to 15 kt with gusts to 20 kt... becoming w
5 kt late. waves 1 to 2 ft. 
.fri...s winds 15 to 20 kt with gusts to 30 kt. waves 2 to 3 ft. 
.fri night...sw winds 15 to 20 kt. gusts up to 30 kt...diminishing
to 20 kt late. waves 2 to 3 ft. 
.sat...nw winds 5 to 10 kt with gusts to 20 kt. waves 1 ft. 
.sat night...e winds 5 to 10 kt. waves 1 ft. 
.sun...se winds 15 to 20 kt. waves 2 to 3 ft. 
.sun night...se winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
showers.
.mon...s winds 20 to 25 kt...becoming nw 15 to 20 kt after midnight.
waves 3 ft. showers. a chance of tstms through the night. 
.tue...nw winds 10 to 15 kt. waves 1 to 2 ft.  

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

$$