fzus51 klwx 120628
cwflwx
expires:202608122000;;041082

coastal waters forecast
national weather service baltimore md/washington dc
228 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.


anz531-122000-
chesapeake bay from pooles island to sandy point-
228 am edt wed aug 12 2026

.overnight...nw winds 10 kt. waves 1 ft. a slight chance of showers.
.wed...nw winds 5 to 10 kt. waves 1 ft. 
.wed night...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 120628
cwflwx
expires:202608122000;;041085

coastal waters forecast
national weather service baltimore md/washington dc
228 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.


anz532-122000-
chesapeake bay from sandy point to north beach-
228 am edt wed aug 12 2026

.overnight...w winds 10 kt. waves 1 ft. a chance of showers with a
slight chance of tstms. 
.wed...nw winds 5 to 10 kt. waves 1 ft. 
.wed night...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 ft...building to 3 ft. a chance
of showers.  

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

$$

fzus51 klwx 120628
cwflwx
expires:202608122000;;041087

coastal waters forecast
national weather service baltimore md/washington dc
228 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.


anz533-122000-
chesapeake bay from north beach to drum point-
228 am edt wed aug 12 2026

.overnight...w winds 10 kt. waves 1 ft. a slight chance of showers
and tstms. 
.wed...nw winds 5 to 10 kt. waves 1 ft. 
.wed night...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 120628
cwflwx
expires:202608122000;;041090

coastal waters forecast
national weather service baltimore md/washington dc
228 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.


anz534-122000-
chesapeake bay from drum point to smith point-
228 am edt wed aug 12 2026

.overnight...nw winds 10 to 15 kt. waves 1 to 2 ft. 
.wed...nw winds 10 to 15 kt...diminishing to 5 kt late. waves 1 to
2 ft. 
.wed night...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 120628
cwflwx
expires:202608122000;;041078

coastal waters forecast
national weather service baltimore md/washington dc
228 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.


anz535-122000-
tidal potomac from key bridge to indian head-
228 am edt wed aug 12 2026

.overnight...w winds 5 kt. waves less than 1 ft. a slight chance of
showers. 
.wed...nw winds around 5 kt. waves 1 ft. 
.wed night...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 or less. 
.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 120628
cwflwx
expires:202608122000;;041079

coastal waters forecast
national weather service baltimore md/washington dc
228 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.


anz536-122000-
tidal potomac from indian head to cobb island-
228 am edt wed aug 12 2026

.overnight...w winds 5 to 10 kt. waves 1 ft. a slight chance of
showers. 
.wed...nw winds 5 to 10 kt. waves 1 ft. 
.wed night...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 120628
cwflwx
expires:202608122000;;041080

coastal waters forecast
national weather service baltimore md/washington dc
228 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.


anz537-122000-
tidal potomac from cobb island to smith point-
228 am edt wed aug 12 2026

.overnight...w winds 10 kt. waves 1 ft. 
.wed...nw winds 5 to 10 kt. waves 1 ft. 
.wed night...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.

$$