fzus51 klwx 170627
cwflwx
expires:202608172000;;331418

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt mon aug 17 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.


anz531-172000-
chesapeake bay from pooles island to sandy point-
227 am edt mon aug 17 2026

.overnight...sw winds 5 to 10 kt. waves 2 ft. a chance of showers. 
.mon...w winds 5 to 10 kt. waves 1 ft. 
.mon night...nw winds 5 to 10 kt. waves 1 ft. 
.tue...n winds 5 to 10 kt. waves 1 ft. 
.tue night...nw winds around 5 kt. waves 1 ft or less.
.wed...w winds around 5 kt. waves 1 ft or less. 
.wed night...sw winds 5 kt. waves less than 1 ft. 
.thu...ne winds 5 to 10 kt. waves 1 ft. a chance of tstms through
the night. showers likely. 
.fri...ne winds 5 to 10 kt. waves 1 ft. a chance of showers in the
afternoon. showers likely with a chance of tstms through the night. 

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

$$

fzus51 klwx 170627
cwflwx
expires:202608172000;;331421

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt mon aug 17 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.


anz532-172000-
chesapeake bay from sandy point to north beach-
227 am edt mon aug 17 2026

.overnight...sw winds 15 kt. waves 2 ft. a chance of showers. 
.mon...w winds 5 to 10 kt. waves 1 to 2 ft. 
.mon night...nw winds 5 kt. waves less than 1 ft. 
.tue...n winds 5 to 10 kt. waves 1 ft. 
.tue night...nw winds around 5 kt. waves 1 ft or less.
.wed...w winds 5 kt. waves less than 1 ft. 
.wed night...sw winds 5 kt. waves less than 1 ft. 
.thu...ne winds 5 to 10 kt. waves 1 ft. showers likely with a chance
of tstms through the night. showers likely after midnight. 
.fri...ne winds 5 to 10 kt. waves 1 ft. a chance of showers through
the day. showers likely with a chance of tstms through the night.  

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

$$

fzus51 klwx 170627
cwflwx
expires:202608172000;;331423

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt mon aug 17 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.


anz533-172000-
chesapeake bay from north beach to drum point-
227 am edt mon aug 17 2026

.overnight...sw winds 15 kt. waves 2 ft. a chance of showers. 
.mon...w winds 5 to 10 kt. waves 1 to 2 ft. 
.mon night...w winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.tue...n winds 5 to 10 kt. waves 1 ft. 
.tue night...n winds 5 kt. waves less than 1 ft. 
.wed...w winds 5 kt. waves less than 1 ft. 
.wed night...sw winds 5 to 10 kt. waves 1 ft. 
.thu...n winds 5 kt...becoming e in the evening, then becoming n
after midnight. waves 1 ft. showers likely with a chance of tstms
through the night. showers likely after midnight. 
.fri...ne winds 5 to 10 kt. waves 1 ft. a chance of showers in the
morning. showers likely. a chance of tstms through the night.  

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

$$

fzus51 klwx 170627
cwflwx
expires:202608172000;;331426

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt mon aug 17 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.


anz534-172000-
chesapeake bay from drum point to smith point-
227 am edt mon aug 17 2026

...small craft advisory in effect until 6 am edt early this
morning...

.overnight...sw winds 15 kt with gusts to 20 kt. waves 3 ft. showers
likely with a slight chance of tstms. 
.mon...w winds 10 to 15 kt...becoming nw 5 to 10 kt in the
afternoon. waves 3 ft...subsiding to 1 ft in the afternoon. 
.mon night...w winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms. 
.tue...n winds 5 to 10 kt. waves 1 ft. 
.tue night...n winds 5 to 10 kt. waves 1 ft. 
.wed...w winds 5 kt. waves less than 1 ft. 
.wed night...s winds 5 to 10 kt. waves 1 ft. 
.thu...s winds 5 to 10 kt. waves 1 ft. showers likely with a chance
of tstms through the night. showers likely after midnight. 
.fri...e winds 5 to 10 kt. waves 1 ft. a chance of showers in the
morning, then showers likely.  

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

$$

fzus51 klwx 170627
cwflwx
expires:202608172000;;331414

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt mon aug 17 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.


anz535-172000-
tidal potomac from key bridge to indian head-
227 am edt mon aug 17 2026

.overnight...sw winds 5 kt. waves less than 1 ft. a chance of
showers. 
.mon...w winds 5 to 10 kt. waves 1 ft. 
.mon night...nw winds around 5 kt. waves 1 ft. 
.tue...n winds 5 kt. waves less than 1 ft. 
.tue night...nw winds around 5 kt. waves 1 ft. 
.wed...w winds around 5 kt. waves 1 ft. 
.wed night...sw winds around 5 kt. waves 1 ft or less. 
.thu...n winds around 5 kt. waves 1 ft. showers likely with a chance
of tstms through the night. showers likely after midnight. 
.fri...ne winds around 5 kt. waves 1 ft. a chance of showers in the
morning. showers likely. a chance of tstms through the night.  

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

$$

fzus51 klwx 170627
cwflwx
expires:202608172000;;331415

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt mon aug 17 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.


anz536-172000-
tidal potomac from indian head to cobb island-
227 am edt mon aug 17 2026

.overnight...sw winds 10 kt. waves 1 ft. a chance of showers. 
.mon...w winds 5 to 10 kt. waves 1 ft. 
.mon night...nw winds around 5 kt. waves 1 ft. a chance of showers. 
.tue...n winds 5 kt. waves less than 1 ft. 
.tue night...nw winds around 5 kt. waves 1 ft. 
.wed...w winds around 5 kt. waves 1 ft. 
.wed night...sw winds around 5 kt. waves 1 ft. 
.thu...n winds around 5 kt. waves 1 ft. showers likely with a chance
of tstms through the night. showers likely after midnight. 
.fri...ne winds around 5 kt. waves 1 ft. a chance of showers in the
morning. showers likely. a chance of tstms through the night.  

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

$$

fzus51 klwx 170627
cwflwx
expires:202608172000;;331416

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt mon aug 17 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.


anz537-172000-
tidal potomac from cobb island to smith point-
227 am edt mon aug 17 2026

.overnight...sw winds 15 kt. waves 2 ft. a chance of showers with a
slight chance of tstms. 
.mon...w winds 5 to 10 kt. waves 1 to 2 ft. 
.mon night...w winds around 5 kt. waves 1 ft or less. a chance of
showers. 
.tue...n winds 5 to 10 kt. waves 1 ft. 
.tue night...n winds around 5 kt. waves 1 ft or less. 
.wed...w winds around 5 kt. waves flat. 
.wed night...s winds 5 to 10 kt. waves 1 ft. 
.thu...s winds 5 kt. waves less than 1 ft. showers likely with a
chance of tstms through the night. showers likely after midnight. 
.fri...ne winds 5 to 10 kt. waves 1 ft. a chance of showers in the
morning, then showers likely.  

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

$$