fzus51 klwx 041827
cwflwx
expires:202607050800;;408968

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sat jul 4 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.


anz531-050800-
chesapeake bay from pooles island to sandy point-
227 pm edt sat jul 4 2026

...severe thunderstorm watch 457 in effect until 10 pm edt this
evening...

.this afternoon...s winds 10 kt. waves 1 ft. scattered showers and
tstms. 
.tonight...sw winds 5 to 10 kt. waves 1 ft. numerous showers and
tstms. 
.sun...s winds 5 kt. waves flat. a chance of showers and tstms. 
.sun night...ne winds 5 to 10 kt. waves 1 ft. showers with a chance
of tstms. 
.mon...ne winds 5 to 10 kt. waves 1 ft. showers with a chance of
tstms. 
.mon night...ne winds 5 to 10 kt. waves 1 ft. showers with a chance
of tstms. 
.tue...n winds 5 to 10 kt. waves 1 ft. showers likely in the
morning, then a chance of showers and tstms through the night. 
.wed...ne winds 5 to 10 kt...becoming s. waves 1 ft or less.  

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

$$

fzus51 klwx 041827
cwflwx
expires:202607050800;;408971

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sat jul 4 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.


anz532-050800-
chesapeake bay from sandy point to north beach-
227 pm edt sat jul 4 2026

...severe thunderstorm watch 457 in effect until 10 pm edt this
evening...

.this afternoon...s winds 10 kt. waves 1 ft. scattered showers and
tstms. 
.tonight...sw winds 5 to 10 kt. waves 1 ft. numerous showers and
tstms. 
.sun...s winds 5 to 10 kt. waves 1 ft or less. 
.sun night...e winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms. 
.mon...ne winds 5 to 10 kt. waves 1 ft. showers with a chance of
tstms. 
.mon night...ne winds 5 to 10 kt. waves 1 ft. showers with a chance
of tstms. 
.tue...n winds 5 to 10 kt. waves 1 ft. a chance of showers. a chance
of tstms through the night. 
.wed...n winds 5 to 10 kt...becoming s. waves 1 ft or less.  

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

$$

fzus51 klwx 041827
cwflwx
expires:202607050800;;408973

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sat jul 4 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.


anz533-050800-
chesapeake bay from north beach to drum point-
227 pm edt sat jul 4 2026

...severe thunderstorm watch 457 in effect until 10 pm edt this
evening...

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

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

$$

fzus51 klwx 041827
cwflwx
expires:202607050800;;408976

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sat jul 4 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.


anz534-050800-
chesapeake bay from drum point to smith point-
227 pm edt sat jul 4 2026

...severe thunderstorm watch 457 in effect until 10 pm edt this
evening...

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

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

$$

fzus51 klwx 041827
cwflwx
expires:202607050800;;408964

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sat jul 4 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.


anz535-050800-
tidal potomac from key bridge to indian head-
227 pm edt sat jul 4 2026

...severe thunderstorm watch 457 in effect until 10 pm edt this
evening...

.this afternoon...w winds 5 kt. waves less than 1 ft. numerous
showers and tstms. 
.tonight...sw winds around 5 kt. waves 1 ft or less. numerous
showers and tstms. 
.sun...s winds around 5 kt. waves 1 ft or less. a chance of showers
and tstms. 
.sun night...ne winds around 5 kt. waves 1 ft. showers with a chance
of tstms. 
.mon...ne winds around 5 kt. waves 1 ft. showers with a chance of
tstms. 
.mon night...ne winds around 5 kt. waves 1 ft. showers with a chance
of tstms. 
.tue...n winds around 5 kt. waves 1 ft. showers likely with a chance
of tstms through the night. 
.wed...e winds around 5 kt. waves 1 ft or less.  

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

$$

fzus51 klwx 041827
cwflwx
expires:202607050800;;408965

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sat jul 4 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.


anz536-050800-
tidal potomac from indian head to cobb island-
227 pm edt sat jul 4 2026

...severe thunderstorm watch 457 in effect until 10 pm edt this
evening...

.this afternoon...sw winds 5 kt. waves less than 1 ft. numerous
showers and tstms. 
.tonight...s winds around 5 kt. waves 1 ft. showers and tstms. 
.sun...se winds 5 to 10 kt. waves 1 ft or less. 
.sun night...e winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms. 
.mon...ne winds around 5 kt. waves 1 ft. showers with a chance of
tstms. 
.mon night...ne winds around 5 kt. waves 1 ft. showers with a chance
of tstms. 
.tue...n winds around 5 kt. waves 1 ft. a chance of showers and
tstms through the night. 
.wed...e winds around 5 kt. waves 1 ft.  

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

$$

fzus51 klwx 041827
cwflwx
expires:202607050800;;408966

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sat jul 4 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.


anz537-050800-
tidal potomac from cobb island to smith point-
227 pm edt sat jul 4 2026

...severe thunderstorm watch 457 in effect until 10 pm edt this
evening...

.this afternoon...se winds 5 to 10 kt. waves 1 ft or less. scattered
showers and tstms. 
.tonight...n winds 5 to 10 kt...becoming sw in the late evening and
overnight. waves 1 ft. scattered showers and tstms. 
.sun...se winds 10 to 15 kt with gusts to 20 kt. waves flat...
building to 2 ft in the afternoon. 
.sun night...se winds 10 to 15 kt with gusts to 20 kt...becoming e
5 to 10 kt after midnight. waves 1 to 2 ft. 
.mon...e winds 5 to 10 kt. waves 1 ft. showers with a chance of
tstms. 
.mon night...se winds 5 to 10 kt...becoming sw after midnight. waves
1 ft. showers with a chance of tstms. 
.tue...n winds 5 to 10 kt. waves 1 ft. a chance of showers. a chance
of tstms through the night. 
.wed...e winds 5 kt. waves less than 1 ft.  

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

$$