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(1/2)
Latest Coastal Waters Forecast by KLWX
Issued 8/20/2026 6:20 AM America/New_York.
Valid through 8/20/2026 4:00 PM America/New_York.
fzus51 klwx 201020
cwflwx
expires:202608202000;;044386
coastal waters forecast
national weather service baltimore md/washington dc
620 am 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.
anz531-202000-
chesapeake bay from pooles island to sandy point-
620 am edt thu aug 20 2026
...small craft advisory in effect from 2 pm edt this afternoon
through this evening...
.today...e winds 5 kt...becoming s with gusts to 20 kt this
afternoon. waves 1 ft or less. isolated showers and tstms this
morning, then showers and scattered tstms this afternoon.
.tonight...n winds 10 kt. gusts up to 20 kt in the evening. waves
1 ft. numerous showers and scattered tstms. patchy fog. vsby 1 nm or
less.
.fri...ne winds 5 to 10 kt. waves 1 ft.
.fri night...e winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms.
.sat...e winds 5 to 10 kt. waves 1 ft. showers likely with a chance
of tstms.
.sat night...s winds around 5 kt. waves 1 ft or less. a chance of
showers and tstms.
.sun...nw winds 5 to 10 kt. waves 1 ft. a chance of showers through
the night.
.mon...nw winds 5 to 10 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(2/2)
Latest Coastal Waters Forecast by KLWX
Issued 8/20/2026 6:20 AM America/New_York.
Valid through 8/20/2026 4:00 PM America/New_York.
fzus51 klwx 201020
cwflwx
expires:202608202000;;044389
coastal waters forecast
national weather service baltimore md/washington dc
620 am edt thu aug 20 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-202000-
chesapeake bay from sandy point to north beach-
620 am edt thu aug 20 2026
...small craft advisory in effect from 2 pm edt this afternoon
through this evening...
.today...s winds 5 to 10 kt. gusts up to 20 kt this afternoon. waves
1 ft or less...building to 2 ft late. isolated showers and tstms
this morning, then showers and numerous tstms this afternoon.
.tonight...n winds 5 to 10 kt. gusts up to 20 kt early in the
evening. waves 1 ft. numerous showers and tstms. patchy fog. vsby
1 nm or less.
.fri...ne winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms.
.fri night...e winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms.
.sat...se winds 5 to 10 kt. waves 1 ft. showers likely with a chance
of tstms.
.sat night...sw winds 5 kt. waves less than 1 ft. a chance of
showers and tstms.
.sun...w winds 5 to 10 kt. waves 1 ft. a chance of showers through
the night.
.mon...nw winds 5 to 10 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
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