(1/2)
Latest Coastal Waters Forecast by KLWX
Issued 4/20/2026 9:04 AM America/New_York.
Valid through 4/20/2026 4:00 PM America/New_York.
fzus51 klwx 201304
cwflwx
expires:202604202000;;691565
coastal waters forecast
national weather service baltimore md/washington dc
903 am edt mon apr 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-
903 am edt mon apr 20 2026
...small craft advisory in effect until 9 pm edt this evening...
.rest of today...nw winds 15 kt with gusts to 25 kt. waves 2 ft.
scattered sprinkles.
.tonight...n winds 10 to 15 kt with gusts to 20 kt... becoming ne
5 to 10 kt late. waves 1 to 2 ft.
.tue...e winds around 5 kt...becoming s late. waves 1 ft.
.tue night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of showers.
.wed...sw winds 5 to 10 kt. waves 1 to 2 ft. a chance of showers.
.wed night...nw winds around 5 kt. waves 1 ft or less.
.thu...sw winds around 5 kt. waves flat.
.fri...e winds 5 to 10 kt. waves 1 ft or less. a chance of showers
through the night.
$$
(2/2)
Latest Coastal Waters Forecast by KLWX
Issued 4/20/2026 9:04 AM America/New_York.
Valid through 4/20/2026 4:00 PM America/New_York.
fzus51 klwx 201304
cwflwx
expires:202604202000;;691568
coastal waters forecast
national weather service baltimore md/washington dc
903 am edt mon apr 20 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-202000-
chesapeake bay from sandy point to north beach-
903 am edt mon apr 20 2026
...small craft advisory in effect through late tonight...
.rest of today...nw winds 15 to 20 kt with gusts to 25 kt. waves
2 ft. scattered sprinkles.
.tonight...n winds 10 to 15 kt with gusts to 20 kt... becoming ne
5 to 10 kt late. waves 1 to 2 ft.
.tue...ne winds 5 to 10 kt...becoming se in the afternoon. waves
1 ft.
.tue night...s winds 15 to 20 kt. waves 2 to 3 ft. a chance of
showers.
.wed...sw winds 10 to 15 kt. gusts up to 20 kt in the morning. waves
1 to 2 ft. showers likely.
.wed night...nw winds 5 kt. waves less than 1 ft.
.thu...e winds around 5 kt. waves 1 ft or less.
.fri...ne winds 5 kt...becoming se. waves 1 ft or less. a chance of
showers through the night.
$$
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