fzus51 klwx 181827
cwflwx
expires:202607190800;;188458

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sat jul 18 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.


anz531-190800-
chesapeake bay from pooles island to sandy point-
227 pm edt sat jul 18 2026

...small craft advisory in effect until 11 pm edt this evening...
...tornado watch 495 in effect until 9 pm edt this evening...

.this afternoon...s winds 15 kt with gusts to 20 kt. waves 2 ft.
numerous showers and tstms. 
.tonight...sw winds 10 to 15 kt...becoming w late. gusts up to
20 kt. waves 1 to 2 ft. numerous showers and tstms. 
.sun...nw winds 5 to 10 kt. waves 1 ft. 
.sun night...ne winds 5 to 10 kt. waves 1 ft. 
.mon...e winds 5 to 10 kt. waves 1 ft. 
.mon night...se winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.tue...s winds 15 to 20 kt...becoming sw after midnight. waves 1 to
2 ft...building to 3 ft after midnight. showers with tstms likely. 
.wed...w winds 10 to 15 kt...becoming nw. waves 1 to 2 ft. showers
likely in the morning, then a chance of showers and tstms through
the night.  

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

$$

fzus51 klwx 181827
cwflwx
expires:202607190800;;188461

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sat jul 18 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.


anz532-190800-
chesapeake bay from sandy point to north beach-
227 pm edt sat jul 18 2026

...small craft advisory in effect until 11 pm edt this evening...
...tornado watch 495 in effect until 9 pm edt this evening...

.this afternoon...s winds 15 kt with gusts to 20 kt. waves 2 ft.
numerous showers and tstms. 
.tonight...sw winds 10 to 15 kt...becoming w late. gusts up to
20 kt. waves 1 to 2 ft. numerous showers and tstms. 
.sun...n winds 10 kt. waves 1 ft. 
.sun night...ne winds 5 to 10 kt. waves 1 ft. 
.mon...e winds 5 to 10 kt. waves 1 ft. 
.mon night...se winds 5 to 10 kt. waves 2 ft. a chance of showers. 
.tue...s winds 15 to 20 kt. waves 2 to 3 ft. showers. tstms likely
through the night, then a chance of tstms after midnight. 
.wed...sw winds 15 to 20 kt...becoming nw 10 to 15 kt. waves 2 to
3 ft. showers likely. a chance of tstms through the night, then a
chance of showers after midnight.  

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

$$

fzus51 klwx 181827
cwflwx
expires:202607190800;;188463

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sat jul 18 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.


anz533-190800-
chesapeake bay from north beach to drum point-
227 pm edt sat jul 18 2026

...small craft advisory in effect until 11 pm edt this evening...
...tornado watch 495 in effect until 9 pm edt this evening...

.this afternoon...s winds 15 kt with gusts to 20 kt. waves 2 ft.
numerous showers and tstms. 
.tonight...sw winds 10 to 15 kt...becoming w late. gusts up to
20 kt. waves 1 to 2 ft. numerous showers and tstms. 
.sun...n winds 10 kt. waves 1 ft. 
.sun night...ne winds 5 to 10 kt. waves 1 ft. 
.mon...e winds 5 to 10 kt. waves 1 ft. 
.mon night...se winds 10 to 15 kt. waves 2 ft. a chance of showers
and tstms. 
.tue...s winds 15 to 20 kt. waves 2 to 3 ft. showers. tstms likely
in the afternoon, then a chance of tstms through the night. 
.wed...sw winds 15 to 20 kt...becoming nw 10 to 15 kt. waves 2 to
3 ft. showers likely. a chance of tstms through the night, then a
chance of showers after midnight.  

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

$$

fzus51 klwx 181827
cwflwx
expires:202607190800;;188466

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sat jul 18 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.


anz534-190800-
chesapeake bay from drum point to smith point-
227 pm edt sat jul 18 2026

...small craft advisory in effect through late tonight...
...severe thunderstorm watch 496 in effect until 9 pm edt this
evening...

.this afternoon...s winds 15 kt with gusts to 20 kt. waves 2 to
3 ft. scattered showers and tstms. 
.tonight...sw winds 10 to 15 kt with gusts to 20 kt. waves 2 to
3 ft. a chance of showers and tstms. 
.sun...nw winds 5 to 10 kt. waves 1 to 2 ft. 
.sun night...ne winds 5 to 10 kt. waves 1 ft. 
.mon...e winds 5 to 10 kt. waves 1 ft. 
.mon night...se winds 10 to 15 kt. waves 2 ft. showers likely with a
chance of tstms. 
.tue...s winds 20 to 25 kt. waves 2 to 3 ft...building to 4 ft after
midnight. showers likely in the morning, then showers with a chance
of tstms. 
.wed...sw winds 20 to 25 kt...becoming w 10 to 15 kt in the evening,
then becoming nw after midnight. waves 3 ft...subsiding to 2 ft.
showers. a chance of tstms through the night, then a chance of
showers after midnight.  

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

$$

fzus51 klwx 181827
cwflwx
expires:202607190800;;188454

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sat jul 18 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.


anz535-190800-
tidal potomac from key bridge to indian head-
227 pm edt sat jul 18 2026

...small craft advisory in effect until 11 pm edt this evening...
...tornado watch 495 in effect until 9 pm edt this evening...

.this afternoon...sw winds 10 kt with gusts to 20 kt. waves 1 ft.
numerous showers and tstms. 
.tonight...sw winds 5 to 10 kt. gusts up to 20 kt early in the
evening. waves 1 ft. numerous showers and tstms. 
.sun...nw winds 5 to 10 kt. waves 1 ft. 
.sun night...ne winds around 5 kt. waves 1 ft. 
.mon...e winds around 5 kt. waves 1 ft. 
.mon night...se winds around 5 kt. waves 1 ft. a chance of showers. 
.tue...s winds 5 to 10 kt. waves 1 ft. showers with tstms likely. 
.wed...w winds 5 to 10 kt. waves 1 ft. showers likely in the
morning, then a chance of showers and tstms through the night.  

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

$$

fzus51 klwx 181827
cwflwx
expires:202607190800;;188455

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sat jul 18 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.


anz536-190800-
tidal potomac from indian head to cobb island-
227 pm edt sat jul 18 2026

...small craft advisory in effect until 11 pm edt this evening...
...severe thunderstorm watch 496 in effect until 9 pm edt this
evening...

.this afternoon...sw winds 10 to 15 kt with gusts to 20 kt. waves
1 ft. scattered showers and tstms. 
.tonight...sw winds 10 to 15 kt with gusts to 20 kt... becoming w
5 kt late. waves 1 ft. numerous showers with a chance of tstms. 
.sun...nw winds 5 to 10 kt. waves 1 ft. 
.sun night...ne winds around 5 kt. waves 1 ft. 
.mon...e winds 5 to 10 kt. waves 1 ft. 
.mon night...se winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.tue...s winds 10 to 15 kt. waves 1 ft. showers with tstms likely. 
.wed...w winds 10 to 15 kt...becoming nw 5 to 10 kt. waves 1 ft.
showers likely. a chance of tstms through the night, then a chance
of showers after midnight.  

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

$$

fzus51 klwx 181827
cwflwx
expires:202607190800;;188456

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sat jul 18 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.


anz537-190800-
tidal potomac from cobb island to smith point-
227 pm edt sat jul 18 2026

...small craft advisory in effect through late tonight...
...severe thunderstorm watch 496 in effect until 9 pm edt this
evening...

.this afternoon...sw winds 10 to 15 kt with gusts to 20 kt. waves
1 to 2 ft. scattered showers and tstms. 
.tonight...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft. a chance of showers and tstms. 
.sun...nw winds 5 to 10 kt. waves 1 ft. 
.sun night...ne winds 5 to 10 kt. waves 1 ft. 
.mon...e winds 5 to 10 kt. waves 1 ft. 
.mon night...se winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms. 
.tue...sw winds 15 to 20 kt. waves 1 to 2 ft. showers. tstms likely
through the night, then a chance of tstms after midnight. 
.wed...sw winds 15 to 20 kt...becoming nw 5 to 10 kt. waves 1 to
2 ft. showers likely through the day. a chance of tstms through the
night. a chance of showers through the night.  

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

$$