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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 4/9/2026 4:59 AM America/New_York.
Valid through 4/9/2026 7:00 PM America/New_York.

fzus51 klwx 090859
cwflwx
expires:202604092300;;074121

coastal waters forecast
national weather service baltimore md/washington dc
458 am edt thu apr 9 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.


anz531-092300-
chesapeake bay from pooles island to sandy point-
458 am edt thu apr 9 2026

.rest of the overnight...se winds 5 kt. waves less than 1 ft. 
.today...s winds 5 kt. waves less than 1 ft. 
.tonight...s winds 5 kt. waves less than 1 ft. 
.fri...s winds 5 to 10 kt. waves 1 ft or less. patchy fog.
.fri night...s winds 10 to 15 kt...becoming sw 5 to 10 kt after
midnight. waves 1 to 2 ft. 
.sat...n winds 5 to 10 kt. waves 1 ft. 
.sat night...ne winds 5 kt. waves less than 1 ft. 
.sun...e winds 5 kt...becoming s 10 to 15 kt. waves 1 to 2 ft. 
.mon...sw winds 10 to 15 kt. waves 1 to 2 ft.  

$$

(2/7) Latest Coastal Waters Forecast by KLWX
Issued 4/9/2026 4:59 AM America/New_York.
Valid through 4/9/2026 7:00 PM America/New_York.

fzus51 klwx 090859
cwflwx
expires:202604092300;;074124

coastal waters forecast
national weather service baltimore md/washington dc
458 am edt thu apr 9 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.


anz532-092300-
chesapeake bay from sandy point to north beach-
458 am edt thu apr 9 2026

.rest of the overnight...se winds 10 kt. waves 1 ft. 
.today...se winds 5 kt. waves less than 1 ft. 
.tonight...s winds 5 to 10 kt. waves 1 ft. 
.fri...s winds 5 kt...increasing to 10 to 15 kt in the afternoon.
waves flat...building to 2 ft in the afternoon. patchy fog. 
.fri night...s winds 10 to 15 kt...becoming sw after midnight. waves
2 ft. 
.sat...n winds 5 to 10 kt. waves 1 ft. 
.sat night...ne winds 5 to 10 kt. waves 1 ft. 
.sun...se winds 10 to 15 kt...becoming s. waves 1 to 2 ft. 
.mon...sw winds 15 to 20 kt. waves 2 ft.  

$$

(3/7) Latest Coastal Waters Forecast by KLWX
Issued 4/9/2026 4:59 AM America/New_York.
Valid through 4/9/2026 7:00 PM America/New_York.

fzus51 klwx 090859
cwflwx
expires:202604092300;;074126

coastal waters forecast
national weather service baltimore md/washington dc
458 am edt thu apr 9 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.


anz533-092300-
chesapeake bay from north beach to drum point-
458 am edt thu apr 9 2026

.rest of the overnight...se winds 10 kt. waves 1 ft. 
.today...se winds 5 kt. waves less than 1 ft. 
.tonight...s winds 5 to 10 kt. waves 1 ft. 
.fri...s winds 5 kt...increasing to 10 to 15 kt in the afternoon.
waves flat...building to 2 ft in the afternoon. 
.fri night...s winds 10 to 15 kt...becoming sw after midnight. waves
2 ft. 
.sat...n winds 10 to 15 kt. waves 2 ft. 
.sat night...e winds 5 to 10 kt. waves 1 ft. 
.sun...se winds 10 to 15 kt...becoming s after midnight. waves 1 to
2 ft. 
.mon...sw winds 15 to 20 kt. waves 2 ft.  

$$

(4/7) Latest Coastal Waters Forecast by KLWX
Issued 4/9/2026 4:59 AM America/New_York.
Valid through 4/9/2026 7:00 PM America/New_York.

fzus51 klwx 090859
cwflwx
expires:202604092300;;074129

coastal waters forecast
national weather service baltimore md/washington dc
458 am edt thu apr 9 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.


anz534-092300-
chesapeake bay from drum point to smith point-
458 am edt thu apr 9 2026

.rest of the overnight...e winds 10 kt. waves 1 ft. 
.today...e winds 5 to 10 kt. waves 1 ft. 
.tonight...se winds 5 to 10 kt. waves 1 ft. 
.fri...s winds 5 to 10 kt. waves 1 ft or less. 
.fri night...s winds 10 to 15 kt...becoming sw after midnight. waves
2 ft. 
.sat...n winds 10 to 15 kt. waves 2 ft. 
.sat night...e winds 5 to 10 kt. waves 1 ft. 
.sun...se winds 10 to 15 kt...becoming s 15 to 20 kt after midnight.
waves 1 to 2 ft...building to 3 ft after midnight. 
.mon...sw winds 15 to 20 kt. waves 3 ft.  

$$

(5/7) Latest Coastal Waters Forecast by KLWX
Issued 4/9/2026 4:59 AM America/New_York.
Valid through 4/9/2026 7:00 PM America/New_York.

fzus51 klwx 090859
cwflwx
expires:202604092300;;074117

coastal waters forecast
national weather service baltimore md/washington dc
458 am edt thu apr 9 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.


anz535-092300-
tidal potomac from key bridge to indian head-
458 am edt thu apr 9 2026

.rest of the overnight...e winds 5 kt. waves less than 1 ft. 
.today...se winds around 5 kt. waves 1 ft. 
.tonight...s winds around 5 kt. waves 1 ft. 
.fri...s winds 5 to 10 kt. waves 1 ft. 
.fri night...sw winds 5 to 10 kt. waves 1 ft. 
.sat...n winds 5 to 10 kt. waves 1 ft. 
.sat night...e winds around 5 kt. waves 1 ft or less. 
.sun...se winds 5 to 10 kt. waves 1 ft. 
.mon...sw winds 5 to 10 kt. waves 1 ft.  

$$

(6/7) Latest Coastal Waters Forecast by KLWX
Issued 4/9/2026 4:59 AM America/New_York.
Valid through 4/9/2026 7:00 PM America/New_York.

fzus51 klwx 090859
cwflwx
expires:202604092300;;074118

coastal waters forecast
national weather service baltimore md/washington dc
458 am edt thu apr 9 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.


anz536-092300-
tidal potomac from indian head to cobb island-
458 am edt thu apr 9 2026

.rest of the overnight...se winds 5 kt. waves less than 1 ft. 
.today...se winds around 5 kt. waves 1 ft. 
.tonight...se winds around 5 kt. waves 1 ft. 
.fri...s winds 5 to 10 kt. waves 1 ft. 
.fri night...sw winds 5 to 10 kt. waves 1 ft. 
.sat...n winds 5 to 10 kt. waves 1 ft. 
.sat night...e winds around 5 kt. waves 1 ft. 
.sun...se winds 10 to 15 kt. waves 1 ft. 
.mon...sw winds 10 to 15 kt. waves 1 ft.  

$$

(7/7) Latest Coastal Waters Forecast by KLWX
Issued 4/9/2026 4:59 AM America/New_York.
Valid through 4/9/2026 7:00 PM America/New_York.

fzus51 klwx 090859
cwflwx
expires:202604092300;;074119

coastal waters forecast
national weather service baltimore md/washington dc
458 am edt thu apr 9 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.


anz537-092300-
tidal potomac from cobb island to smith point-
458 am edt thu apr 9 2026

.rest of the overnight...e winds 10 kt. waves 1 ft. 
.today...e winds 5 kt. waves less than 1 ft. 
.tonight...se winds 5 to 10 kt. waves 1 ft. 
.fri...s winds 5 to 10 kt. waves 1 ft or less. 
.fri night...s winds 5 to 10 kt. waves 1 ft. 
.sat...n winds 5 to 10 kt. waves 1 ft. 
.sat night...e winds 5 to 10 kt. waves 1 ft. 
.sun...se winds 10 to 15 kt...becoming s after midnight. waves 1 to
2 ft. 
.mon...sw winds 10 to 15 kt. waves 2 ft.  

$$