fzus51 klwx 172233
cwflwx
expires:202609180800;;624695

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


anz531-180800-
chesapeake bay from pooles island to sandy point-
633 pm edt thu sep 17 2026

.tonight...sw winds 5 to 10 kt...becoming nw late. waves 1 ft.
scattered showers and tstms this evening, then isolated showers
after midnight. 
.fri...n winds 5 to 10 kt. waves 1 ft. 
.fri night...ne winds 10 to 15 kt. waves 1 to 2 ft. 
.sat...e winds 10 to 15 kt. waves 1 to 2 ft. 
.sat night...se winds 10 to 15 kt. waves 1 ft. 
.sun...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a chance
of showers. 
.sun night...sw winds 5 to 10 kt...becoming n 10 to 15 kt after
midnight. waves 1 to 2 ft. showers likely. 
.mon...ne winds 15 to 20 kt. waves 2 ft. a chance of showers. 
.tue...ne winds 20 to 25 kt. waves 3 ft. a chance of showers in the
morning, then showers likely through the night. a chance of showers
after midnight.  

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

$$

fzus51 klwx 172233
cwflwx
expires:202609180800;;624698

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


anz532-180800-
chesapeake bay from sandy point to north beach-
633 pm edt thu sep 17 2026

...small craft advisory in effect until 11 pm edt this evening...

.tonight...s winds 10 kt with gusts to 20 kt...becoming w after
midnight. waves 1 to 2 ft. scattered showers and tstms, mainly this
evening. 
.fri...n winds 5 to 10 kt. waves 1 to 2 ft. 
.fri night...ne winds 10 to 15 kt. waves 1 to 2 ft. 
.sat...ne 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 with gusts to 20 kt. waves 2 ft. a chance
of showers. 
.sun night...sw winds 10 to 15 kt...becoming nw after midnight.
gusts up to 20 kt. waves 1 to 2 ft. showers likely. 
.mon...ne winds 10 to 15 kt. waves 2 ft. a chance of showers. 
.tue...ne winds 20 to 25 kt. waves 3 ft. a chance of showers in the
morning, then showers likely through the night. a chance of showers
after midnight.  

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

$$

fzus51 klwx 172233
cwflwx
expires:202609180800;;624700

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


anz533-180800-
chesapeake bay from north beach to drum point-
633 pm edt thu sep 17 2026

...small craft advisory in effect until 11 pm edt this evening...

.tonight...s winds 10 to 15 kt with gusts to 20 kt... becoming w
5 kt late. waves 1 to 2 ft. isolated showers and tstms. 
.fri...n winds 10 to 15 kt. waves 2 ft. 
.fri night...ne winds 10 to 15 kt. waves 2 ft. 
.sat...ne 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 with gusts to 20 kt. waves 2 ft. a chance
of showers. 
.sun night...s winds 10 to 15 kt...becoming nw 5 to 10 kt after
midnight. gusts up to 20 kt. waves 1 to 2 ft. showers likely. 
.mon...ne winds 10 to 15 kt. waves 2 ft. a chance of showers. 
.tue...ne winds 20 to 25 kt. waves 3 ft. a chance of showers in the
morning, then showers likely through the night. a chance of showers
after midnight.  

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

$$

fzus51 klwx 172233
cwflwx
expires:202609180800;;624703

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


anz534-180800-
chesapeake bay from drum point to smith point-
633 pm edt thu sep 17 2026

...small craft advisory in effect until 11 pm edt this evening...

.tonight...s winds 15 kt with gusts to 20 kt...becoming w late.
waves 1 to 2 ft. 
.fri...n winds 10 to 15 kt. waves 1 to 2 ft. 
.fri night...ne winds 5 to 10 kt. waves 1 to 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 with gusts to 20 kt. waves 2 ft. 
.sun night...s winds 10 to 15 kt...becoming w after midnight. gusts
up to 20 kt. waves 2 ft. a chance of showers. 
.mon...n winds 10 to 15 kt...becoming ne. waves 1 to 2 ft. a chance
of showers. 
.tue...ne winds 20 to 25 kt. waves 3 ft...building to 5 ft. a chance
of showers.  

$$

fzus51 klwx 172233
cwflwx
expires:202609180800;;624691

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


anz535-180800-
tidal potomac from key bridge to indian head-
633 pm edt thu sep 17 2026

.tonight...sw winds 5 kt. waves less than 1 ft. scattered showers
and tstms this evening, then isolated showers after midnight. 
.fri...n winds 5 kt. waves less than 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 kt. waves less than 1 ft. 
.sun...s winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.sun night...w winds around 5 kt. waves 1 ft. showers likely. 
.mon...ne winds 5 to 10 kt. waves 1 ft. a chance of showers in the
afternoon. showers likely through the night. 
.tue...ne winds 10 to 15 kt. waves 1 ft. a chance of showers in the
morning, then showers likely through the night. a chance of showers
after midnight.  

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

$$

fzus51 klwx 172233
cwflwx
expires:202609180800;;624692

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


anz536-180800-
tidal potomac from indian head to cobb island-
633 pm edt thu sep 17 2026

.tonight...sw winds 5 kt. waves less than 1 ft. scattered showers
with isolated tstms this evening. 
.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 to 10 kt. waves 1 ft. 
.sat night...se winds 5 to 10 kt. waves 1 ft. 
.sun...s winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.sun night...w winds 5 kt. waves less than 1 ft. a chance of
showers. 
.mon...ne winds 5 to 10 kt. waves 1 ft. a chance of showers in the
afternoon. showers likely through the night. 
.tue...ne winds 15 to 20 kt. waves 1 to 2 ft. showers likely .  

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

$$

fzus51 klwx 172233
cwflwx
expires:202609180800;;624693

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


anz537-180800-
tidal potomac from cobb island to smith point-
633 pm edt thu sep 17 2026

.tonight...s winds 10 kt...becoming w late. waves 1 ft. isolated
showers and tstms this evening. 
.fri...n winds 5 to 10 kt. waves 1 ft. 
.fri night...ne winds 5 to 10 kt. waves 1 ft. 
.sat...e winds 10 to 15 kt. waves 1 to 2 ft. 
.sat night...se winds 5 to 10 kt. waves 2 ft. 
.sun...s winds 5 to 10 kt. waves 1 ft. 
.sun night...sw winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.mon...ne winds 10 to 15 kt. waves 1 to 2 ft. a chance of showers in
the afternoon. a chance of tstms through the night. showers likely
through the night. 
.tue...ne winds 20 to 25 kt. waves 3 ft...building to 5 ft. showers
likely .  

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

$$