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xt_Great Lakes

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Home : xt_USA : xt_Great Lakes : Weather Bulletin

(1/7) Latest Coastal Waters Forecast by KLWX
Issued 7/13/2026 2:27 PM America/New_York.
Valid through 7/14/2026 4:00 AM America/New_York.

fzus51 klwx 131827
cwflwx
expires:202607140800;;910638

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt mon jul 13 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.


anz531-140800-
chesapeake bay from pooles island to sandy point-
227 pm edt mon jul 13 2026

.this afternoon...se winds 5 kt. waves less than 1 ft. 
.tonight...s winds 5 to 10 kt. waves 1 ft. 
.tue...sw winds 5 to 10 kt. waves 1 ft. 
.tue night...sw winds 10 to 15 kt. waves 1 to 2 ft. 
.wed...sw winds 5 to 10 kt. waves 1 ft. 
.wed night...w winds 5 to 10 kt. waves 1 ft. 
.thu...nw winds around 5 kt...increasing to 5 to 10 kt. waves 1 ft
or less. 
.fri...nw winds 5 to 10 kt...becoming s. waves 1 ft.  

$$

(2/7) Latest Coastal Waters Forecast by KLWX
Issued 7/13/2026 2:27 PM America/New_York.
Valid through 7/14/2026 4:00 AM America/New_York.

fzus51 klwx 131827
cwflwx
expires:202607140800;;910641

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt mon jul 13 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.


anz532-140800-
chesapeake bay from sandy point to north beach-
227 pm edt mon jul 13 2026

.this afternoon...se winds 5 to 10 kt. waves 1 ft. 
.tonight...s winds 5 to 10 kt. waves 1 ft. 
.tue...sw winds 5 to 10 kt. waves 1 ft or less. 
.tue night...sw winds 10 kt. waves 1 to 2 ft. 
.wed...sw winds 5 to 10 kt. waves 1 ft. 
.wed night...w winds 5 to 10 kt. waves 1 ft. 
.thu...n winds 5 kt...becoming sw in the afternoon and evening, then
becoming nw after midnight. waves 1 ft. 
.fri...ne winds 5 kt...becoming s. waves 1 ft.  

$$

(3/7) Latest Coastal Waters Forecast by KLWX
Issued 7/13/2026 2:27 PM America/New_York.
Valid through 7/14/2026 4:00 AM America/New_York.

fzus51 klwx 131827
cwflwx
expires:202607140800;;910643

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt mon jul 13 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.


anz533-140800-
chesapeake bay from north beach to drum point-
227 pm edt mon jul 13 2026

.this afternoon...se winds 5 to 10 kt. waves 1 ft. 
.tonight...s winds 5 to 10 kt. waves 1 ft. 
.tue...sw winds around 5 kt...becoming s late. waves 1 ft or less. 
.tue night...sw winds 10 kt. waves 1 ft. 
.wed...sw winds 5 to 10 kt. waves 1 ft. 
.wed night...sw winds 5 to 10 kt. waves 1 ft. 
.thu...nw winds 5 kt...becoming sw in the afternoon and evening,
then becoming nw after midnight. waves 1 ft. 
.fri...ne winds 5 to 10 kt...becoming s. waves 1 ft.  

$$

(4/7) Latest Coastal Waters Forecast by KLWX
Issued 7/13/2026 2:27 PM America/New_York.
Valid through 7/14/2026 4:00 AM America/New_York.

fzus51 klwx 131827
cwflwx
expires:202607140800;;910646

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt mon jul 13 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.


anz534-140800-
chesapeake bay from drum point to smith point-
227 pm edt mon jul 13 2026

.this afternoon...se winds 10 kt. waves 1 ft. 
.tonight...se winds 5 to 10 kt. waves 1 ft. 
.tue...ne winds around 5 kt...becoming s late. waves 1 ft or less. 
.tue night...sw winds 10 to 15 kt. waves 2 ft. 
.wed...sw winds 5 to 10 kt. waves 1 to 2 ft. 
.wed night...sw winds 10 to 15 kt. waves 2 ft. 
.thu...nw winds 5 to 10 kt...becoming sw in the afternoon and
evening, then becoming nw after midnight. waves 1 ft. 
.fri...n winds 5 to 10 kt...becoming s. waves 1 to 2 ft.  

$$

(5/7) Latest Coastal Waters Forecast by KLWX
Issued 7/13/2026 2:27 PM America/New_York.
Valid through 7/14/2026 4:00 AM America/New_York.

fzus51 klwx 131827
cwflwx
expires:202607140800;;910634

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt mon jul 13 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.


anz535-140800-
tidal potomac from key bridge to indian head-
227 pm edt mon jul 13 2026

.this afternoon...se winds 5 kt. waves less than 1 ft. 
.tonight...s winds around 5 kt. waves 1 ft. 
.tue...sw winds around 5 kt. waves 1 ft or less. 
.tue night...sw winds 5 kt. waves less than 1 ft. 
.wed...w winds 5 to 10 kt. waves 1 ft. 
.wed night...w winds 5 to 10 kt. waves 1 ft. 
.thu...nw winds around 5 kt. waves 1 ft. 
.fri...nw winds around 5 kt...becoming sw. waves 1 ft.  

$$

(6/7) Latest Coastal Waters Forecast by KLWX
Issued 7/13/2026 2:27 PM America/New_York.
Valid through 7/14/2026 4:00 AM America/New_York.

fzus51 klwx 131827
cwflwx
expires:202607140800;;910635

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt mon jul 13 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.


anz536-140800-
tidal potomac from indian head to cobb island-
227 pm edt mon jul 13 2026

.this afternoon...se winds 10 kt. waves 1 ft. 
.tonight...se winds 5 to 10 kt until early morning... becoming
light. waves 1 ft. 
.tue...sw winds around 5 kt. waves 1 ft or less. 
.tue night...s winds 5 kt. waves less than 1 ft. 
.wed...w winds around 5 kt. waves 1 ft. 
.wed night...w winds 5 to 10 kt. waves 1 ft. 
.thu...nw winds around 5 kt. waves 1 ft. 
.fri...w winds around 5 kt. waves 1 ft.  

$$

(7/7) Latest Coastal Waters Forecast by KLWX
Issued 7/13/2026 2:27 PM America/New_York.
Valid through 7/14/2026 4:00 AM America/New_York.

fzus51 klwx 131827
cwflwx
expires:202607140800;;910636

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt mon jul 13 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.


anz537-140800-
tidal potomac from cobb island to smith point-
227 pm edt mon jul 13 2026

.this afternoon...se winds 10 kt. waves 1 ft. 
.tonight...se winds 5 to 10 kt. waves 1 ft. 
.tue...ne winds around 5 kt. waves 1 ft or less. 
.tue night...s winds 5 to 10 kt. waves 1 ft. 
.wed...sw winds 5 to 10 kt. waves 1 ft. 
.wed night...sw winds 5 to 10 kt. waves 1 ft. 
.thu...w winds 5 to 10 kt. waves 1 ft. 
.fri...n winds 5 to 10 kt...becoming s. waves 1 ft.  

$$