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(1/2)
Latest Coastal Waters Forecast by KLWX
Issued 9/21/2026 3:04 PM America/New_York.
Valid through 9/22/2026 4:00 AM America/New_York.
fzus51 klwx 211904
cwflwx
expires:202609220800;;833105
coastal waters forecast
national weather service baltimore md/washington dc
304 pm edt mon sep 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-
304 pm edt mon sep 21 2026
...small craft advisory in effect through late tuesday night...
.rest of this afternoon...ne winds 15 kt. waves 2 ft. showers.
.tonight...e winds 15 to 20 kt with gusts to 25 kt. waves 2 to 3 ft.
rain.
.tue...ne winds 15 to 20 kt with gusts to 30 kt. waves 3 ft. rain.
patchy fog. vsby 1 to 3 nm.
.tue night...ne winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
rain. patchy fog.
.wed...ne winds 20 to 25 kt with gusts to 30 kt. waves 3 ft. rain
likely.
.wed night...ne winds 20 kt with gusts to 35 kt. waves 4 ft.
.thu...ne winds 15 to 20 kt. waves 3 ft.
.fri...n winds 20 to 25 kt. waves 3 ft.
$$
(2/2)
Latest Coastal Waters Forecast by KLWX
Issued 9/21/2026 3:04 PM America/New_York.
Valid through 9/22/2026 4:00 AM America/New_York.
fzus51 klwx 211904
cwflwx
expires:202609220800;;833108
coastal waters forecast
national weather service baltimore md/washington dc
304 pm edt mon sep 21 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-220800-
chesapeake bay from sandy point to north beach-
304 pm edt mon sep 21 2026
...small craft advisory in effect through late tuesday night...
.rest of this afternoon...ne winds 15 kt. waves 2 ft. numerous
showers.
.tonight...e winds 15 to 20 kt with gusts to 25 kt. waves 2 to 3 ft.
rain likely.
.tue...ne winds 20 kt with gusts to 30 kt. waves 3 ft. rain. patchy
fog. vsby 1 to 3 nm.
.tue night...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
rain. patchy fog.
.wed...ne winds 20 to 25 kt with gusts to 35 kt. waves 4 ft. rain
likely.
.wed night...ne winds 20 to 25 kt with gusts to 35 kt. waves 4 ft.
.thu...ne winds 20 to 25 kt. waves 3 ft.
.fri...n winds 20 to 25 kt. waves 3 ft.
$$
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