(1/2)
Latest Coastal Waters Forecast by KLWX
Issued 4/30/2026 5:20 PM America/New_York.
Valid through 5/1/2026 5:00 AM America/New_York.
fzus51 klwx 302120
cwflwx
expires:202605010900;;802650
coastal waters forecast
national weather service baltimore md/washington dc
520 pm edt thu apr 30 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.
anz531-010900-
chesapeake bay from pooles island to sandy point-
520 pm edt thu apr 30 2026
...small craft advisory in effect through late tonight...
.tonight...nw winds 15 kt. gusts up to 25 kt until early morning.
waves 2 ft.
.fri...nw winds 5 to 10 kt...becoming s in the afternoon. waves
1 ft.
.fri night...sw winds 5 to 10 kt...becoming nw late. waves 1 ft. a
chance of showers.
.sat...nw winds 5 to 10 kt. waves 1 ft. a chance of showers.
.sat night...nw winds 10 to 15 kt. gusts up to 20 kt after midnight.
waves 1 to 2 ft. a chance of showers.
.sun...nw winds 10 to 15 kt with gusts to 25 kt. waves 2 ft.
.sun night...w winds 5 to 10 kt. waves 1 ft.
.mon...s winds 10 to 15 kt. waves 1 to 2 ft.
.tue...s winds 15 to 20 kt. waves 2 to 3 ft.
$$
(2/2)
Latest Coastal Waters Forecast by KLWX
Issued 4/30/2026 5:20 PM America/New_York.
Valid through 5/1/2026 5:00 AM America/New_York.
fzus51 klwx 302120
cwflwx
expires:202605010900;;802653
coastal waters forecast
national weather service baltimore md/washington dc
520 pm edt thu apr 30 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-010900-
chesapeake bay from sandy point to north beach-
520 pm edt thu apr 30 2026
...small craft advisory in effect through late tonight...
.tonight...nw winds 15 kt. gusts up to 25 kt until early morning.
waves 2 ft.
.fri...nw winds 5 to 10 kt...becoming se in the afternoon. waves
1 to 2 ft.
.fri night...s winds 10 kt...becoming nw after midnight. waves 1 ft.
a chance of showers.
.sat...n winds 5 to 10 kt. waves 1 ft. a chance of showers.
.sat night...nw winds 5 kt...increasing to 10 to 15 kt with gusts to
20 kt after midnight. waves 1 to 2 ft. a chance of showers.
.sun...nw winds 10 to 15 kt with gusts to 25 kt. waves 2 ft.
.sun night...w winds 5 to 10 kt. waves 1 ft.
.mon...s winds 10 to 15 kt. waves 1 to 2 ft...building to 3 ft after
midnight.
.tue...s winds 15 to 20 kt. waves 2 to 3 ft.
$$
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