fzus51 klwx 120858
cwflwx
expires:202608122300;;048283

coastal waters forecast
national weather service baltimore md/washington dc
458 am edt wed aug 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.


anz531-122300-
chesapeake bay from pooles island to sandy point-
458 am edt wed aug 12 2026

.rest of the overnight...nw winds 10 kt. waves 1 ft. a slight chance
of showers. 
.today...nw winds 5 to 10 kt. waves 1 ft. 
.tonight...w winds 5 kt. waves less than 1 ft. 
.thu...w winds 5 kt. waves less than 1 ft. 
.thu night...sw winds 5 kt. waves less than 1 ft. a chance of
showers. 
.fri...ne winds 5 kt. waves less than 1 ft. a chance of showers and
tstms. 
.fri night...ne winds 5 kt...becoming n 10 to 15 kt after midnight.
waves 1 to 2 ft. 
.sat...ne winds 5 to 10 kt...becoming s after midnight. waves 1 to
2 ft...subsiding to 1 ft or less. 
.sun...s winds 15 to 20 kt. waves 1 to 2 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 120858
cwflwx
expires:202608122300;;048286

coastal waters forecast
national weather service baltimore md/washington dc
458 am edt wed aug 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.


anz532-122300-
chesapeake bay from sandy point to north beach-
458 am edt wed aug 12 2026

.rest of the overnight...w winds 10 kt. waves 1 ft. a chance of
showers with a slight chance of tstms. 
.today...nw winds 5 to 10 kt. waves 1 ft. 
.tonight...w winds 5 kt. waves less than 1 ft. 
.thu...sw winds 5 kt. waves less than 1 ft. 
.thu night...sw winds 5 kt. waves less than 1 ft. a chance of
showers. 
.fri...n winds 5 kt. waves less than 1 ft. showers likely with a
chance of tstms. 
.fri night...ne winds 5 kt...becoming n 10 to 15 kt after midnight.
waves 1 ft. 
.sat...ne winds 10 to 15 kt...becoming se 5 kt. waves 1 to 2 ft. 
.sun...s winds 15 to 20 kt. waves 1 to 2 ft...building to 3 ft. a
chance of showers.  

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

$$

fzus51 klwx 120858
cwflwx
expires:202608122300;;048288

coastal waters forecast
national weather service baltimore md/washington dc
458 am edt wed aug 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.


anz533-122300-
chesapeake bay from north beach to drum point-
458 am edt wed aug 12 2026

.rest of the overnight...nw winds 10 kt. waves 1 ft. a slight chance
of showers and tstms. 
.today...nw winds 5 to 10 kt. waves 1 ft. 
.tonight...w winds 5 kt. waves less than 1 ft. 
.thu...w winds 5 kt. waves less than 1 ft. a chance of showers. 
.thu night...sw winds 5 kt. waves flat. a chance of showers. 
.fri...n winds 5 kt. waves less than 1 ft. a chance of showers and
tstms. 
.fri night...n winds 5 kt...becoming ne 10 to 15 kt after midnight.
waves 1 to 2 ft. 
.sat...ne winds 5 to 10 kt...becoming s after midnight. waves 1 to
2 ft. 
.sun...s winds 15 to 20 kt. waves 1 to 2 ft...building to 2 to 3 ft.
a chance of showers.  

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

$$

fzus51 klwx 120858
cwflwx
expires:202608122300;;048291

coastal waters forecast
national weather service baltimore md/washington dc
458 am edt wed aug 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.


anz534-122300-
chesapeake bay from drum point to smith point-
458 am edt wed aug 12 2026

.rest of the overnight...nw winds 15 kt. waves 2 ft. 
.today...nw winds 10 to 15 kt...diminishing to 5 kt late. waves 1 to
2 ft. 
.tonight...nw winds 5 kt...becoming sw in the late evening and
overnight. waves 1 ft. 
.thu...sw winds 5 kt. waves less than 1 ft. 
.thu night...s winds 5 kt. waves less than 1 ft. showers likely. 
.fri...nw winds 5 to 10 kt. waves 1 ft. showers likely with a chance
of tstms. 
.fri night...n winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.sat...ne winds 10 to 15 kt...becoming se 5 to 10 kt. waves 1 to
2 ft. 
.sun...s winds 15 to 20 kt. waves 1 to 2 ft...building to 3 ft. a
chance of showers.  

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

$$

fzus51 klwx 120858
cwflwx
expires:202608122300;;048279

coastal waters forecast
national weather service baltimore md/washington dc
458 am edt wed aug 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.


anz535-122300-
tidal potomac from key bridge to indian head-
458 am edt wed aug 12 2026

.rest of the overnight...w winds 5 kt. waves less than 1 ft. a
slight chance of showers. 
.today...nw winds around 5 kt. waves 1 ft. 
.tonight...w winds around 5 kt. waves 1 ft or less. 
.thu...w winds around 5 kt. waves 1 ft. a chance of showers. 
.thu night...w winds around 5 kt. waves 1 ft. a chance of showers. 
.fri...n winds around 5 kt. waves 1 ft. showers likely with a chance
of tstms. 
.fri night...n winds around 5 kt. waves 1 ft. 
.sat...e winds around 5 kt. waves 1 ft. 
.sun...s winds 5 to 10 kt. waves 1 ft. a chance of showers.  

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

$$

fzus51 klwx 120858
cwflwx
expires:202608122300;;048280

coastal waters forecast
national weather service baltimore md/washington dc
458 am edt wed aug 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.


anz536-122300-
tidal potomac from indian head to cobb island-
458 am edt wed aug 12 2026

.rest of the overnight...w winds 10 kt. waves 1 ft. a slight chance
of showers. 
.today...nw winds 5 to 10 kt. waves 1 ft. 
.tonight...w winds around 5 kt. waves 1 ft. 
.thu...w winds around 5 kt. waves 1 ft. a chance of showers. 
.thu night...w winds around 5 kt. waves 1 ft. a chance of showers. 
.fri...n winds around 5 kt. waves 1 ft. a chance of showers and
tstms. 
.fri night...n winds around 5 kt. waves 1 ft. 
.sat...e winds around 5 kt. waves 1 ft. 
.sun...s winds 5 to 10 kt. waves 1 ft. a chance of showers.  

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

$$

fzus51 klwx 120858
cwflwx
expires:202608122300;;048281

coastal waters forecast
national weather service baltimore md/washington dc
458 am edt wed aug 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.


anz537-122300-
tidal potomac from cobb island to smith point-
458 am edt wed aug 12 2026

.rest of the overnight...nw winds 10 kt. waves 1 ft. 
.today...nw winds 5 to 10 kt. waves 1 ft. 
.tonight...sw winds 5 kt. waves less than 1 ft. 
.thu...w winds 5 kt. waves less than 1 ft. 
.thu night...sw winds 5 kt. waves flat. a chance of showers. 
.fri...nw winds 5 kt. waves less than 1 ft. showers likely with a
chance of tstms. 
.fri night...n winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.sat...ne winds 5 to 10 kt...becoming s after midnight. waves 1 ft. 
.sun...s winds 10 to 15 kt. waves 1 to 2 ft. a chance of showers.  

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

$$