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(1/4)
Latest Coastal Waters Forecast by KLWX
Issued 9/21/2026 10:59 PM America/New_York.
Valid through 9/22/2026 4:00 AM America/New_York.
fzus51 klwx 220259
cwflwx
expires:202609220800;;848904
coastal waters forecast
national weather service baltimore md/washington dc
1059 pm edt mon sep 21 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.
anz530-220800-
chesapeake bay north of pooles island-
1059 pm edt mon sep 21 2026
...small craft advisory in effect through late tuesday night...
.rest of tonight...e winds 15 kt with gusts to 25 kt. waves 1 to
2 ft. a chance of showers late this evening, then showers likely.
.tue...ne winds 15 kt with gusts to 25 kt. waves 2 ft. showers
likely. patchy fog. vsby 1 nm or less.
.tue night...ne winds 15 to 20 kt with gusts to 30 kt. waves 2 ft.
showers likely.
.wed...ne winds 15 to 20 kt with gusts to 30 kt. waves 2 ft. a
chance of rain.
.wed night...ne winds 15 to 20 kt with gusts to 30 kt. waves 2 ft.
.thu...ne winds 15 to 20 kt with gusts to 25 kt. waves 2 ft.
.thu night...n winds 15 to 20 kt with gusts to 25 kt. waves 1 to
2 ft.
.fri...n winds 15 to 20 kt. waves 2 ft.
.sat...n winds 15 to 20 kt. waves 1 to 2 ft.
$$
(2/4)
Latest Coastal Waters Forecast by KLWX
Issued 9/21/2026 10:59 PM America/New_York.
Valid through 9/22/2026 4:00 AM America/New_York.
fzus51 klwx 220259
cwflwx
expires:202609220800;;848905
coastal waters forecast
national weather service baltimore md/washington dc
1059 pm edt mon sep 21 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz531-220800-
chesapeake bay from pooles island to sandy point-
1059 pm edt mon sep 21 2026
...small craft advisory in effect through late tuesday night...
.rest of tonight...e winds 15 to 20 kt with gusts to 25 kt. waves
2 to 3 ft. a chance of showers late this evening, then showers
likely with a slight chance of tstms.
.tue...ne winds 15 to 20 kt with gusts to 30 kt. waves 3 ft.
showers.
.tue night...ne winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
showers likely.
.wed...ne winds 20 to 25 kt with gusts to 30 kt. waves 3 ft. showers
likely.
.wed night...ne winds 20 kt with gusts to 35 kt. waves 4 ft.
.thu...ne winds 15 to 20 kt with gusts to 30 kt. waves 3 ft.
.thu night...n winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
.fri...n winds 20 to 25 kt. waves 3 ft.
.sat...n winds 15 to 20 kt. waves 2 to 3 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(3/4)
Latest Coastal Waters Forecast by KLWX
Issued 9/21/2026 10:59 PM America/New_York.
Valid through 9/22/2026 4:00 AM America/New_York.
fzus51 klwx 220259
cwflwx
expires:202609220800;;848908
coastal waters forecast
national weather service baltimore md/washington dc
1059 pm edt mon sep 21 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.
anz532-220800-
chesapeake bay from sandy point to north beach-
1059 pm edt mon sep 21 2026
...small craft advisory in effect through late tuesday night...
.rest of tonight...e winds 15 to 20 kt with gusts to 25 kt. waves
2 to 3 ft. a chance of showers late this evening, then showers
likely with a slight chance of tstms.
.tue...ne winds 15 to 20 kt with gusts to 30 kt. waves 3 ft. showers
likely.
.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 35 kt. waves 4 ft. rain
likely.
.wed night...ne winds 20 to 25 kt with gusts to 35 kt. waves 4 ft.
.thu...ne winds 20 to 25 kt with gusts to 35 kt. waves 4 ft.
.thu night...n winds 20 to 25 kt. waves 3 ft.
.fri...n winds 20 to 25 kt. waves 3 ft.
.sat...n winds 20 to 25 kt. waves 2 to 3 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(4/4)
Latest Coastal Waters Forecast by KLWX
Issued 9/21/2026 10:59 PM America/New_York.
Valid through 9/22/2026 4:00 AM America/New_York.
fzus51 klwx 220259
cwflwx
expires:202609220800;;848910
coastal waters forecast
national weather service baltimore md/washington dc
1059 pm edt mon sep 21 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz533-220800-
chesapeake bay from north beach to drum point-
1059 pm edt mon sep 21 2026
...small craft advisory in effect through late tuesday night...
...gale watch in effect from wednesday morning through late
wednesday night...
.rest of tonight...e winds 15 to 20 kt with gusts to 25 kt. waves
2 to 3 ft. a slight chance of showers late this evening, then
showers likely with a slight chance of tstms.
.tue...ne winds 15 to 20 kt with gusts to 30 kt. waves 3 ft.
showers.
.tue night...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
showers likely.
.wed...ne winds 20 to 25 kt with gusts to 35 kt. waves 5 ft. rain
likely.
.wed night...ne winds 20 to 25 kt with gusts to 35 kt. waves 5 ft. a
chance of rain.
.thu...ne winds 20 to 25 kt with gusts to 35 kt. waves 4 ft.
.thu night...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
.fri...n winds 20 to 25 kt. waves 4 ft.
.sat...nw winds 20 to 25 kt. waves 3 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
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