fzus51 klwx 122058
cwflwx
expires:202603130800;;563852

coastal waters forecast
national weather service baltimore md/washington dc
457 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-
457 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...

.rest of this afternoon...nw winds 10 kt with gusts to 20 kt. waves
2 ft. rain and snow. vsby 1 to 3 nm. 
.tonight...nw winds 10 to 15 kt with gusts to 20 kt... becoming w
5 kt late. 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 with gusts 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...building to 3 ft
after midnight. showers through the night. 
.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.  

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

$$

fzus51 klwx 122058
cwflwx
expires:202603130800;;563855

coastal waters forecast
national weather service baltimore md/washington dc
457 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-
457 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...

.rest of this afternoon...nw winds 15 kt with gusts to 20 kt. waves
2 ft. rain and snow. vsby 1 to 3 nm. 
.tonight...nw winds 10 to 15 kt with gusts to 20 kt... becoming w
5 kt late. 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. 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 20 to 25 kt. waves 2 to 3 ft...building to 4 ft
after midnight. showers through the night. 
.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.  

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

$$

fzus51 klwx 122058
cwflwx
expires:202603130800;;563857

coastal waters forecast
national weather service baltimore md/washington dc
457 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-
457 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...

.rest of this afternoon...nw winds 15 kt with gusts to 25 kt. waves
3 ft. rain and snow. vsby 1 to 3 nm. 
.tonight...nw winds 10 to 15 kt with gusts to 20 kt... becoming w
5 kt late. waves 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. 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 20 to 25 kt. waves 2 to 3 ft...building to 4 ft
after midnight. showers likely in the evening. showers after
midnight. 
.mon...s winds 25 to 30 kt...becoming nw 20 to 25 kt after midnight.
waves 4 ft...subsiding to 3 ft after midnight. showers. a chance of
tstms through the night.  

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

$$

fzus51 klwx 122058
cwflwx
expires:202603130800;;563860

coastal waters forecast
national weather service baltimore md/washington dc
457 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-
457 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...

.rest of this afternoon...nw winds 20 kt with gusts to 30 kt. waves
4 ft. rain and snow. vsby 1 to 3 nm. 
.tonight...nw winds 10 to 15 kt with gusts to 25 kt. waves 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. 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 20 to 25 kt. waves 2 to 3 ft...building to 4 ft.
showers likely in the evening. showers after midnight. 
.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.  

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

$$

fzus51 klwx 122058
cwflwx
expires:202603130800;;563848

coastal waters forecast
national weather service baltimore md/washington dc
457 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-
457 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...

.rest of this afternoon...nw winds 10 kt with gusts to 20 kt. waves
1 ft. rain and snow likely. vsby 1 to 3 nm. 
.tonight...w winds 5 to 10 kt. gusts up to 20 kt in the evening.
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. gusts up to 30 kt in the evening.
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. waves 1 ft. showers through the night. 
.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.  

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

$$

fzus51 klwx 122058
cwflwx
expires:202603130800;;563849

coastal waters forecast
national weather service baltimore md/washington dc
457 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-
457 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...

.rest of this afternoon...nw winds 10 kt with gusts to 20 kt. waves
1 ft. rain and snow likely. vsby 1 to 3 nm. 
.tonight...w winds 5 to 10 kt. gusts up to 20 kt in the 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. gusts up to 30 kt...diminishing
to 20 kt after midnight. 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 20 to 25 kt. waves 1 to
2 ft. showers through the night. 
.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.  

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

$$

fzus51 klwx 122058
cwflwx
expires:202603130800;;563850

coastal waters forecast
national weather service baltimore md/washington dc
457 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-
457 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...

.rest of this afternoon...nw winds 15 kt with gusts to 25 kt. waves
3 ft. rain and snow. vsby 1 to 3 nm. 
.tonight...nw winds 10 to 15 kt with gusts to 20 kt... becoming w
5 kt late. waves 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 with gusts to 30 kt. 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. showers likely in the
evening. showers after midnight. 
.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.  

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

$$