fzus51 klwx 170903
cwflwx
expires:202609172100;;592709

coastal waters forecast
national weather service baltimore md/washington dc
503 am edt thu sep 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.


anz531-172100-
chesapeake bay from pooles island to sandy point-
503 am edt thu sep 17 2026

.today...s winds 10 kt. waves 1 ft. scattered showers, mainly this
morning. 
.tonight...sw winds 5 to 10 kt...becoming nw late. waves 1 ft.
scattered tstms with a chance of showers. 
.fri...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.fri night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.sat...e winds 5 to 10 kt. waves 1 to 2 ft. 
.sat night...se winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.sun...s winds 10 to 15 kt...becoming w in the evening, then
becoming n after midnight. waves 2 ft. showers likely. a chance of
tstms through the night. 
.mon...ne winds 15 to 20 kt. waves 2 ft. a chance of showers through
the day.  

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

$$

fzus51 klwx 170903
cwflwx
expires:202609172100;;592712

coastal waters forecast
national weather service baltimore md/washington dc
503 am edt thu sep 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.


anz532-172100-
chesapeake bay from sandy point to north beach-
503 am edt thu sep 17 2026

...small craft advisory in effect from 3 pm edt this afternoon
through this evening...

.today...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
isolated showers. 
.tonight...s winds 10 to 15 kt with gusts to 20 kt... becoming w
5 to 10 kt after midnight. waves 1 to 2 ft. 
.fri...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.fri night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.sat...e winds 10 to 15 kt. waves 1 to 2 ft. 
.sat night...se winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.sun...s winds 10 to 15 kt...becoming w in the evening, then
becoming n after midnight. waves 2 ft. a chance of showers in the
afternoon. showers likely with a chance of tstms through the night. 
.mon...ne winds 10 to 15 kt...becoming e. waves 2 ft. a chance of
showers.  

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

$$

fzus51 klwx 170903
cwflwx
expires:202609172100;;592714

coastal waters forecast
national weather service baltimore md/washington dc
503 am edt thu sep 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.


anz533-172100-
chesapeake bay from north beach to drum point-
503 am edt thu sep 17 2026

...small craft advisory in effect from 3 pm edt this afternoon
through this evening...

.today...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
isolated showers this morning. 
.tonight...s winds 10 to 15 kt with gusts to 20 kt... becoming w
5 to 10 kt after midnight. waves 1 to 2 ft. 
.fri...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.fri night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.sat...e winds 5 to 10 kt. waves 1 to 2 ft. 
.sat night...se winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.sun...s winds 10 to 15 kt...becoming nw after midnight. waves 2 ft.
a chance of showers in the afternoon. showers likely with a chance
of tstms through the night. 
.mon...ne winds 10 to 15 kt. waves 2 ft. a chance of showers.  

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

$$

fzus51 klwx 170903
cwflwx
expires:202609172100;;592717

coastal waters forecast
national weather service baltimore md/washington dc
503 am edt thu sep 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.


anz534-172100-
chesapeake bay from drum point to smith point-
503 am edt thu sep 17 2026

...small craft advisory in effect from 3 pm edt this afternoon
through this evening...

.today...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. 
.tonight...s winds 10 to 15 kt...becoming w 5 to 10 kt late. gusts
up to 20 kt. waves 2 ft. 
.fri...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.fri night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.sat...e winds 10 to 15 kt. waves 1 to 2 ft. 
.sat night...se winds 10 to 15 kt. waves 2 ft. 
.sun...s winds 10 to 15 kt...becoming nw after midnight. waves 2 ft.
a chance of showers in the afternoon. showers likely with a chance
of tstms through the night. 
.mon...ne winds 10 to 15 kt. waves 2 ft. a chance of showers.  

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

$$

fzus51 klwx 170903
cwflwx
expires:202609172100;;592705

coastal waters forecast
national weather service baltimore md/washington dc
503 am edt thu sep 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.


anz535-172100-
tidal potomac from key bridge to indian head-
503 am edt thu sep 17 2026

.today...s winds 5 kt. waves less than 1 ft. isolated showers and
tstms this afternoon. 
.tonight...sw winds around 5 kt. waves 1 ft. scattered showers and
tstms. 
.fri...n winds 5 to 10 kt. waves 1 ft. 
.fri night...ne winds 5 to 10 kt. waves 1 ft. 
.sat...e winds 5 kt. waves less than 1 ft. 
.sat night...se winds 5 kt. waves less than 1 ft. 
.sun...sw winds 5 to 10 kt...becoming n after midnight. waves 1 ft.
a chance of showers through the night. a chance of tstms through the
night. 
.mon...ne 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 170903
cwflwx
expires:202609172100;;592706

coastal waters forecast
national weather service baltimore md/washington dc
503 am edt thu sep 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.


anz536-172100-
tidal potomac from indian head to cobb island-
503 am edt thu sep 17 2026

.today...s winds 5 kt. waves less than 1 ft. 
.tonight...sw winds 5 kt. waves less than 1 ft. 
.fri...n winds 5 to 10 kt. waves 1 ft. 
.fri night...ne winds 5 kt. waves less than 1 ft. 
.sat...e winds 5 kt. waves less than 1 ft. 
.sat night...se winds 5 to 10 kt. waves 1 ft. 
.sun...sw winds 5 to 10 kt...becoming nw after midnight. waves 1 ft.
a chance of showers in the afternoon. a chance of showers and tstms
through the night. 
.mon...ne 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 170903
cwflwx
expires:202609172100;;592707

coastal waters forecast
national weather service baltimore md/washington dc
503 am edt thu sep 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.


anz537-172100-
tidal potomac from cobb island to smith point-
503 am edt thu sep 17 2026

.today...s winds 5 to 10 kt. waves 1 ft. 
.tonight...sw winds 5 to 10 kt. waves 1 ft. 
.fri...n winds 5 to 10 kt. waves 1 to 2 ft. 
.fri night...ne winds 5 to 10 kt. waves 1 ft. 
.sat...e winds 5 to 10 kt. waves 1 to 2 ft. 
.sat night...se winds 5 to 10 kt. waves 1 to 2 ft. 
.sun...s winds 5 to 10 kt...becoming nw after midnight. waves 1 ft.
a chance of showers in the afternoon. a chance of showers and tstms
through the night. 
.mon...ne winds 10 to 15 kt. waves 2 ft. a chance of showers.  

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

$$