(1/4)
Latest Coastal Waters Forecast by KLWX
Issued 4/30/2026 12:08 AM America/New_York.
Valid through 4/30/2026 4:00 PM America/New_York.
fzus51 klwx 300408
cwflwx
expires:202604302000;;761424
coastal waters forecast
national weather service baltimore md/washington dc
1207 am 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.
anz530-302000-
chesapeake bay north of pooles island-
1207 am edt thu apr 30 2026
...small craft advisory in effect through this evening...
.overnight...sw winds 10 kt...becoming nw late. gusts up to 20 kt.
waves 1 ft. a chance of showers.
.thu...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.thu night...nw winds 5 to 10 kt. waves 1 ft.
.fri...w winds 5 kt. waves less than 1 ft.
.fri night...w winds around 5 kt. waves 1 ft or less. a chance of
showers.
.sat...nw winds around 5 kt. waves 1 ft or less. a chance of
showers.
.sat night...nw winds 5 to 10 kt. waves 1 ft or less.
.sun...nw winds 10 to 15 kt...becoming sw around 5 kt after
midnight. waves 1 ft or less.
.mon...sw winds 10 to 15 kt. waves 1 ft.
$$
(2/4)
Latest Coastal Waters Forecast by KLWX
Issued 4/30/2026 12:08 AM America/New_York.
Valid through 4/30/2026 4:00 PM America/New_York.
fzus51 klwx 300408
cwflwx
expires:202604302000;;761425
coastal waters forecast
national weather service baltimore md/washington dc
1207 am edt thu apr 30 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz531-302000-
chesapeake bay from pooles island to sandy point-
1207 am edt thu apr 30 2026
...small craft advisory in effect through this evening...
.overnight...w winds 15 kt with gusts to 20 kt. waves 2 ft. a chance
of showers.
.thu...nw winds 10 to 15 kt. gusts up to 25 kt... diminishing to
20 kt in the late morning and afternoon. waves 2 ft.
.thu night...nw winds 10 to 15 kt. gusts up to 20 kt until early
morning. waves 2 ft.
.fri...w winds 5 kt. waves less than 1 ft.
.fri night...w winds 5 kt. waves less than 1 ft. a chance of
showers.
.sat...n winds 5 kt. waves less than 1 ft. a chance of showers.
.sat night...nw winds 10 to 15 kt. waves 1 to 2 ft. a chance of
showers.
.sun...nw winds 10 to 15 kt...becoming sw 5 kt after midnight. waves
1 to 2 ft.
.mon...s winds 10 to 15 kt. waves 1 to 2 ft.
$$
(3/4)
Latest Coastal Waters Forecast by KLWX
Issued 4/30/2026 12:08 AM America/New_York.
Valid through 4/30/2026 4:00 PM America/New_York.
fzus51 klwx 300408
cwflwx
expires:202604302000;;761428
coastal waters forecast
national weather service baltimore md/washington dc
1207 am 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.
anz532-302000-
chesapeake bay from sandy point to north beach-
1207 am edt thu apr 30 2026
...small craft advisory in effect through this evening...
.overnight...w winds 15 kt with gusts to 20 kt. waves 2 ft. a chance
of showers.
.thu...nw winds 10 to 15 kt. gusts up to 25 kt early in the morning.
waves 2 ft.
.thu night...nw winds 10 to 15 kt. 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 after midnight. waves
1 ft. a chance of showers.
.sat...n winds 5 kt. waves less than 1 ft. a chance of showers.
.sat night...nw winds 10 to 15 kt. waves 1 ft. a chance of showers.
.sun...nw winds 10 to 15 kt...becoming sw 5 to 10 kt after midnight.
waves 1 to 2 ft.
.mon...s winds 10 to 15 kt. waves 1 to 2 ft.
$$
(4/4)
Latest Coastal Waters Forecast by KLWX
Issued 4/30/2026 12:08 AM America/New_York.
Valid through 4/30/2026 4:00 PM America/New_York.
fzus51 klwx 300408
cwflwx
expires:202604302000;;761430
coastal waters forecast
national weather service baltimore md/washington dc
1207 am edt thu apr 30 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz533-302000-
chesapeake bay from north beach to drum point-
1207 am edt thu apr 30 2026
...small craft advisory in effect through this evening...
.overnight...w winds 15 to 20 kt with gusts to 25 kt. waves 2 ft. a
chance of showers.
.thu...nw winds 15 to 20 kt with gusts to 25 kt... diminishing to
10 to 15 kt in the late morning and afternoon. waves 3 ft.
.thu night...nw winds 10 to 15 kt. waves 2 ft.
.fri...nw winds 5 to 10 kt...becoming s in the afternoon. waves 1 to
2 ft.
.fri night...s winds 5 to 10 kt...becoming nw after midnight. waves
1 ft. a chance of showers.
.sat...n winds 5 to 10 kt. waves 1 ft. a chance of showers.
.sat night...nw winds 10 to 15 kt. gusts up to 20 kt after midnight.
waves 1 to 2 ft. a chance of showers.
.sun...nw winds 10 to 15 kt...becoming sw 5 to 10 kt after midnight.
waves 1 to 2 ft.
.mon...s winds 15 to 20 kt. waves 1 to 2 ft.
$$
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