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(1/4)
Latest Coastal Waters Forecast by KLWX
Issued 8/20/2026 7:57 PM America/New_York.
Valid through 8/21/2026 4:00 AM America/New_York.
fzus51 klwx 202357
cwflwx
expires:202608210800;;077372
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt thu aug 20 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.
anz530-210800-
chesapeake bay north of pooles island-
757 pm edt thu aug 20 2026
...small craft advisory in effect until 8 pm edt this evening...
.tonight...n winds 10 kt. waves 1 ft. showers and tstms likely this
evening.
.fri...ne winds 5 to 10 kt. waves 1 ft.
.fri night...e winds 5 kt. waves less than 1 ft. numerous showers.
.sat...e winds 5 kt. waves less than 1 ft. showers with a chance of
tstms.
.sat night...se winds around 5 kt. waves 1 ft or less. a chance of
showers and tstms.
.sun...w winds around 5 kt. waves 1 ft. a chance of showers.
.sun night...w winds 5 to 10 kt. waves 1 ft.
.mon...w winds 5 to 10 kt. waves 1 ft.
.tue...nw winds around 5 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(2/4)
Latest Coastal Waters Forecast by KLWX
Issued 8/20/2026 7:57 PM America/New_York.
Valid through 8/21/2026 4:00 AM America/New_York.
fzus51 klwx 202357
cwflwx
expires:202608210800;;077373
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt thu aug 20 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz531-210800-
chesapeake bay from pooles island to sandy point-
757 pm edt thu aug 20 2026
...small craft advisory in effect until 8 pm edt this evening...
.tonight...n winds 10 kt. waves 1 ft. a chance of showers and tstms
this evening.
.fri...ne winds 5 to 10 kt. waves 1 ft.
.fri night...e winds 5 to 10 kt. waves 1 ft. numerous showers.
.sat...e winds 5 to 10 kt. waves 1 ft. showers with a chance of
tstms.
.sat night...s winds around 5 kt. waves 1 ft or less. a chance of
showers and tstms.
.sun...w winds 5 to 10 kt. waves 1 ft. a chance of showers.
.sun night...nw winds 5 to 10 kt. waves 1 ft.
.mon...nw winds 5 to 10 kt. waves 1 ft.
.tue...nw winds 5 to 10 kt...becoming e. waves 1 ft or less.
winds and waves higher and visibilities lower in and near tstms.
$$
(3/4)
Latest Coastal Waters Forecast by KLWX
Issued 8/20/2026 7:57 PM America/New_York.
Valid through 8/21/2026 4:00 AM America/New_York.
fzus51 klwx 202357
cwflwx
expires:202608210800;;077376
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt thu aug 20 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.
anz532-210800-
chesapeake bay from sandy point to north beach-
757 pm edt thu aug 20 2026
...small craft advisory in effect until 8 pm edt this evening...
.tonight...n winds 10 kt. waves 1 ft. a chance of showers and tstms
this evening.
.fri...ne winds 5 to 10 kt. waves 1 ft.
.fri night...e winds 5 to 10 kt. waves 1 ft. numerous showers.
.sat...se winds 5 to 10 kt. waves 1 ft. showers with a chance of
tstms.
.sat night...sw winds 5 kt. waves less than 1 ft. a chance of
showers and tstms.
.sun...w winds 5 to 10 kt. waves 1 ft. a chance of showers.
.sun night...nw winds 5 to 10 kt. waves 1 ft.
.mon...w winds 5 to 10 kt. waves 1 ft.
.tue...n winds 5 to 10 kt...becoming se. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(4/4)
Latest Coastal Waters Forecast by KLWX
Issued 8/20/2026 7:57 PM America/New_York.
Valid through 8/21/2026 4:00 AM America/New_York.
fzus51 klwx 202357
cwflwx
expires:202608210800;;077378
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt thu aug 20 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz533-210800-
chesapeake bay from north beach to drum point-
757 pm edt thu aug 20 2026
...small craft advisory in effect until 8 pm edt this evening...
.tonight...n winds 10 kt. waves 1 ft. showers likely with a chance
of tstms this evening.
.fri...ne winds 5 to 10 kt. waves 1 ft.
.fri night...e winds 5 to 10 kt. waves 1 ft. widespread showers.
.sat...se winds 5 kt. waves less than 1 ft. showers with a chance of
tstms.
.sat night...sw winds 5 kt. waves less than 1 ft. a chance of
showers and tstms.
.sun...w winds 5 kt. waves less than 1 ft. a chance of showers.
.sun night...nw winds 5 to 10 kt. waves 1 ft.
.mon...w winds 5 to 10 kt. waves 1 ft.
.tue...n winds 5 to 10 kt...becoming se. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
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