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(1/4)
Latest Coastal Waters Forecast by KLWX
Issued 9/20/2026 10:58 PM America/New_York.
Valid through 9/21/2026 4:00 AM America/New_York.
fzus51 klwx 210258
cwflwx
expires:202609210800;;795117
coastal waters forecast
national weather service baltimore md/washington dc
1058 pm edt sun sep 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-
1058 pm edt sun sep 20 2026
.rest of tonight...w winds 5 kt...becoming n. waves 1 ft or less.
numerous showers with isolated tstms late this evening, then
scattered showers.
.mon...ne winds 10 to 15 kt. waves 1 ft. a chance of showers.
.mon night...ne winds 15 to 20 kt. gusts up to 25 kt late. waves
1 to 2 ft. showers likely.
.tue...ne winds 15 to 20 kt with gusts to 25 kt. waves 2 ft.
showers.
.tue night...ne winds 20 to 25 kt. waves 2 ft. a chance of showers.
.wed...ne winds 15 to 20 kt with gusts to 25 kt. waves 2 ft. a
chance of showers.
.wed night...ne winds 20 to 25 kt with gusts to 30 kt. waves 2 ft.
.thu...ne winds 15 to 20 kt. waves 2 ft.
.fri...n winds 15 to 20 kt. waves 1 to 2 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(2/4)
Latest Coastal Waters Forecast by KLWX
Issued 9/20/2026 10:58 PM America/New_York.
Valid through 9/21/2026 4:00 AM America/New_York.
fzus51 klwx 210258
cwflwx
expires:202609210800;;795118
coastal waters forecast
national weather service baltimore md/washington dc
1058 pm edt sun sep 20 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz531-210800-
chesapeake bay from pooles island to sandy point-
1058 pm edt sun sep 20 2026
...small craft advisory in effect from 3 am edt monday through
monday morning...
.rest of tonight...w winds 5 kt...becoming n 10 to 15 kt with gusts
to 20 kt. waves 1 to 2 ft. numerous showers with isolated tstms late
this evening, then scattered showers.
.mon...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of showers.
.mon night...ne winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft. showers likely.
.tue...ne winds 15 to 20 kt with gusts to 30 kt. waves 3 ft.
showers.
.tue night...ne winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
showers likely.
.wed...ne winds 20 to 25 kt with gusts to 30 kt. waves 3 ft. a
chance of showers.
.wed night...ne winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
.thu...ne winds 20 to 25 kt. waves 3 ft.
.fri...n winds 15 to 20 kt. waves 3 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(3/4)
Latest Coastal Waters Forecast by KLWX
Issued 9/20/2026 10:58 PM America/New_York.
Valid through 9/21/2026 4:00 AM America/New_York.
fzus51 klwx 210258
cwflwx
expires:202609210800;;795121
coastal waters forecast
national weather service baltimore md/washington dc
1058 pm edt sun sep 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-
1058 pm edt sun sep 20 2026
...small craft advisory in effect from 3 am edt monday through
monday morning...
.rest of tonight...nw winds 10 kt...becoming n with gusts to 20 kt
late. waves 1 to 2 ft. scattered showers with isolated tstms late
this evening, then scattered showers.
.mon...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of showers.
.mon night...ne winds 15 to 20 kt. waves 2 ft. showers likely.
.tue...ne winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
showers.
.tue night...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
showers likely.
.wed...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 ft. a
chance of showers.
.wed night...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 ft. a
chance of showers.
.thu...ne winds 20 to 25 kt. waves 3 ft. a chance of showers in the
morning.
.fri...n winds 20 to 25 kt. waves 3 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(4/4)
Latest Coastal Waters Forecast by KLWX
Issued 9/20/2026 10:58 PM America/New_York.
Valid through 9/21/2026 4:00 AM America/New_York.
fzus51 klwx 210258
cwflwx
expires:202609210800;;795123
coastal waters forecast
national weather service baltimore md/washington dc
1058 pm edt sun sep 20 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz533-210800-
chesapeake bay from north beach to drum point-
1058 pm edt sun sep 20 2026
...small craft advisory in effect from 3 am edt monday through
monday morning...
.rest of tonight...sw winds 5 kt...becoming n 10 to 15 kt with gusts
to 20 kt. waves 1 to 2 ft. scattered showers with isolated tstms
late this evening, then scattered showers.
.mon...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of showers.
.mon night...ne winds 15 to 20 kt. waves 2 to 3 ft. showers likely.
.tue...ne winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
showers.
.tue night...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
showers likely.
.wed...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 ft. a
chance of showers.
.wed night...ne winds 25 to 30 kt. waves 4 ft. a chance of showers.
.thu...ne winds 20 to 25 kt. waves 4 ft. a chance of showers in the
morning.
.fri...n winds 25 to 30 kt. waves 4 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
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