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(1/4)
Latest Coastal Waters Forecast by KLWX
Issued 4/20/2026 4:58 PM America/New_York.
Valid through 4/21/2026 4:00 AM America/New_York.
fzus51 klwx 202058
cwflwx
expires:202604210800;;710207
coastal waters forecast
national weather service baltimore md/washington dc
458 pm 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.
anz530-210800-
chesapeake bay north of pooles island-
458 pm edt mon apr 20 2026
...small craft advisory in effect until 9 pm edt this evening...
.rest of this afternoon...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 ft.
.tue...n winds 5 kt...becoming s late. waves 1 ft.
.tue night...s winds 5 to 10 kt. waves 1 ft. a chance of showers.
.wed...sw winds 5 to 10 kt. waves 1 ft. a chance of showers.
.wed night...nw winds 5 kt. waves less than 1 ft.
.thu...nw winds around 5 kt. waves 1 ft or less.
.fri...e winds around 5 kt. waves 1 ft or less. a chance of showers
through the night.
$$
(2/4)
Latest Coastal Waters Forecast by KLWX
Issued 4/20/2026 4:58 PM America/New_York.
Valid through 4/21/2026 4:00 AM America/New_York.
fzus51 klwx 202058
cwflwx
expires:202604210800;;710208
coastal waters forecast
national weather service baltimore md/washington dc
458 pm edt mon apr 20 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz531-210800-
chesapeake bay from pooles island to sandy point-
458 pm edt mon apr 20 2026
...small craft advisory in effect until 9 pm edt this evening...
.rest of this afternoon...nw winds 15 kt with gusts to 25 kt. waves
3 ft. scattered sprinkles.
.tonight...n winds 10 to 15 kt...becoming ne 5 to 10 kt late. gusts
up to 20 kt. waves 1 to 2 ft.
.tue...ne winds 5 to 10 kt...becoming s in the afternoon. waves
1 ft.
.tue night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of showers.
.wed...sw winds 5 to 10 kt. gusts up to 20 kt in the morning. waves
1 to 2 ft. showers likely.
.wed night...nw winds 5 to 10 kt. waves 1 ft or less.
.thu...nw winds around 5 kt. waves flat.
.fri...e winds around 5 kt. waves 1 ft or less. a chance of showers
through the night.
$$
(3/4)
Latest Coastal Waters Forecast by KLWX
Issued 4/20/2026 4:58 PM America/New_York.
Valid through 4/21/2026 4:00 AM America/New_York.
fzus51 klwx 202058
cwflwx
expires:202604210800;;710211
coastal waters forecast
national weather service baltimore md/washington dc
458 pm 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.
anz532-210800-
chesapeake bay from sandy point to north beach-
458 pm edt mon apr 20 2026
...small craft advisory in effect until 4 am edt tuesday...
.rest of this afternoon...nw winds 15 kt with gusts to 25 kt. waves
3 ft. scattered sprinkles.
.tonight...n winds 10 to 15 kt...becoming ne late. gusts up to
20 kt. waves 1 to 2 ft.
.tue...ne winds 5 to 10 kt...becoming se in the afternoon. waves
1 ft.
.tue night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 to
3 ft.
.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 to 10 kt. waves 1 ft or less.
.thu...ne winds 5 kt. waves less than 1 ft.
.fri...e winds 5 to 10 kt. waves 1 ft or less. a chance of showers
through the night.
$$
(4/4)
Latest Coastal Waters Forecast by KLWX
Issued 4/20/2026 4:58 PM America/New_York.
Valid through 4/21/2026 4:00 AM America/New_York.
fzus51 klwx 202058
cwflwx
expires:202604210800;;710213
coastal waters forecast
national weather service baltimore md/washington dc
458 pm edt mon apr 20 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz533-210800-
chesapeake bay from north beach to drum point-
458 pm edt mon apr 20 2026
...small craft advisory in effect until 4 am edt tuesday...
.rest of this afternoon...nw winds 20 kt with gusts to 25 kt. waves
3 ft. scattered sprinkles.
.tonight...n winds 10 to 15 kt...becoming ne late. gusts up to
20 kt. waves 2 to 3 ft.
.tue...ne winds 5 to 10 kt...becoming se late. waves 1 ft.
.tue night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 to
3 ft.
.wed...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. a
chance of showers.
.wed night...w winds 5 to 10 kt. waves 1 ft.
.thu...n winds 5 to 10 kt...becoming se. waves 1 ft or less.
.fri...se winds 5 to 10 kt. waves 1 ft or less. a chance of showers
through the night.
$$
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