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(1/2)
Latest Coastal Waters Forecast by KLWX
Issued 7/21/2026 9:12 PM America/New_York.
Valid through 7/22/2026 4:00 AM America/New_York.
fzus51 klwx 220112
cwflwx
expires:202607220800;;381095
coastal waters forecast
national weather service baltimore md/washington dc
911 pm edt tue jul 21 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.
anz531-220800-
chesapeake bay from pooles island to sandy point-
911 pm edt tue jul 21 2026
...small craft advisory in effect until 8 am edt wednesday...
.rest of tonight...sw winds 15 to 20 kt with gusts to 25 kt. waves
3 ft. patchy fog late this evening. showers and scattered tstms late
this evening, then numerous showers and scattered tstms. vsby 1 nm
or less.
.wed...w winds 10 to 15 kt with gusts to 20 kt. waves 2 to 3 ft. a
chance of showers and tstms.
.wed night...nw winds 10 kt...becoming n late. gusts up to 20 kt.
waves 2 ft. a chance of showers.
.thu...n winds 10 to 15 kt. gusts up to 25 kt in the morning. waves
2 ft.
.thu night...ne winds 5 to 10 kt. waves 1 ft.
.fri...e winds 5 to 10 kt. waves 1 ft.
.fri night...e winds 5 to 10 kt. waves 1 ft.
.sat...e winds 5 to 10 kt. waves 1 ft.
.sun...se winds 5 kt...becoming s. waves 1 ft or less. a chance of
showers through the night.
winds and waves higher and visibilities lower in and near tstms.
$$
(2/2)
Latest Coastal Waters Forecast by KLWX
Issued 7/21/2026 9:12 PM America/New_York.
Valid through 7/22/2026 4:00 AM America/New_York.
fzus51 klwx 220112
cwflwx
expires:202607220800;;381098
coastal waters forecast
national weather service baltimore md/washington dc
911 pm edt tue jul 21 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-220800-
chesapeake bay from sandy point to north beach-
911 pm edt tue jul 21 2026
...small craft advisory in effect through wednesday morning...
.rest of tonight...sw winds 15 kt with gusts to 25 kt. waves 3 ft.
showers and scattered tstms late this evening, then numerous showers
and scattered tstms. patchy fog. vsby 1 nm or less.
.wed...sw winds 10 to 15 kt with gusts to 25 kt. waves 2 to 3 ft.
showers likely.
.wed night...w winds 10 kt...becoming n with gusts to 25 kt after
midnight. waves 2 ft. a chance of showers.
.thu...n winds 10 to 15 kt. gusts up to 25 kt in the morning. waves
2 ft.
.thu night...e winds 5 to 10 kt. waves 1 ft.
.fri...e winds 10 kt. waves 1 ft.
.fri night...e winds 5 to 10 kt. waves 1 ft.
.sat...e winds 5 to 10 kt. waves 1 ft.
.sun...e winds 5 kt...becoming s. waves 1 ft or less. a chance of
showers through the night.
winds and waves higher and visibilities lower in and near tstms.
$$
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