(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/21/2026 7:57 PM America/New_York.
Valid through 10/22/2026 4:00 AM America/New_York.
fzus51 klwx 212357
cwflwx
expires:202610220800;;965025
coastal waters forecast
national weather service baltimore md/washington dc
756 pm edt wed oct 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-
756 pm edt wed oct 21 2026
...small craft advisory in effect through thursday evening...
.tonight...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.thu...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.thu night...n winds 10 to 15 kt with gusts to 25 kt. waves 2 to
3 ft.
.fri...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.fri night...e winds 5 kt. waves less than 1 ft.
.sat...ne winds around 5 kt. waves 1 ft.
.sat night...e winds around 5 kt. waves flat.
.sun...e winds around 5 kt. waves flat.
.mon...w winds 5 to 10 kt. waves 1 ft or less.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/21/2026 7:57 PM America/New_York.
Valid through 10/22/2026 4:00 AM America/New_York.
fzus51 klwx 212357
cwflwx
expires:202610220800;;965028
coastal waters forecast
national weather service baltimore md/washington dc
756 pm edt wed oct 21 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-220800-
chesapeake bay from sandy point to north beach-
756 pm edt wed oct 21 2026
...small craft advisory in effect through thursday evening...
.tonight...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.thu...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.thu night...n winds 15 to 20 kt. gusts up to 25 kt. waves 2 to
3 ft.
.fri...ne winds 10 to 15 kt. gusts up to 25 kt in the morning. waves
2 to 3 ft.
.fri night...e winds 5 to 10 kt. waves 1 ft.
.sat...ne winds 5 to 10 kt. waves 1 ft.
.sat night...e winds around 5 kt. waves flat.
.sun...ne winds around 5 kt. waves flat.
.mon...w winds 5 to 10 kt. waves 1 ft or less.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/21/2026 7:57 PM America/New_York.
Valid through 10/22/2026 4:00 AM America/New_York.
fzus51 klwx 212357
cwflwx
expires:202610220800;;965030
coastal waters forecast
national weather service baltimore md/washington dc
756 pm edt wed oct 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-
756 pm edt wed oct 21 2026
...small craft advisory in effect through thursday evening...
.tonight...n winds 10 to 15 kt with gusts to 20 kt. waves 2 to 3 ft.
.thu...n winds 10 to 15 kt with gusts to 25 kt. waves 3 ft.
.thu night...n winds 15 to 20 kt. gusts up to 25 kt. waves 2 to
3 ft.
.fri...ne winds 15 to 20 kt with gusts to 25 kt. waves 2 to 3 ft.
.fri night...ne winds 5 to 10 kt. waves 1 ft.
.sat...ne winds 5 to 10 kt. waves 1 ft.
.sat night...e winds 5 kt. waves less than 1 ft.
.sun...ne winds around 5 kt. waves 1 ft or less.
.mon...nw winds 5 to 10 kt. waves 1 ft or less.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/21/2026 7:57 PM America/New_York.
Valid through 10/22/2026 4:00 AM America/New_York.
fzus51 klwx 212357
cwflwx
expires:202610220800;;965033
coastal waters forecast
national weather service baltimore md/washington dc
756 pm edt wed oct 21 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-220800-
chesapeake bay from drum point to smith point-
756 pm edt wed oct 21 2026
...small craft advisory in effect through thursday evening...
.tonight...n winds 15 kt with gusts to 20 kt. waves 3 ft.
.thu...n winds 10 to 15 kt with gusts to 25 kt. waves 3 ft.
.thu night...n winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
.fri...ne winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
.fri night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.sat...ne winds 10 to 15 kt. waves 2 ft.
.sat night...ne winds 5 to 10 kt. waves 1 ft.
.sun...ne winds 5 to 10 kt. waves 1 ft.
.mon...nw winds 5 to 10 kt. waves 1 ft or less.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/21/2026 7:57 PM America/New_York.
Valid through 10/22/2026 4:00 AM America/New_York.
fzus51 klwx 212357
cwflwx
expires:202610220800;;965021
coastal waters forecast
national weather service baltimore md/washington dc
756 pm edt wed oct 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.
anz535-220800-
tidal potomac from key bridge to indian head-
756 pm edt wed oct 21 2026
.tonight...n winds 5 kt. waves less than 1 ft.
.thu...n winds 5 to 10 kt with gusts to 20 kt. waves 1 ft.
.thu night...n winds 5 to 10 kt with gusts to 20 kt. waves 1 ft.
.fri...ne winds 5 to 10 kt. waves 1 ft.
.fri night...ne winds around 5 kt. waves 1 ft.
.sat...ne winds around 5 kt. waves 1 ft.
.sat night...e winds around 5 kt. waves 1 ft or less.
.sun...e winds around 5 kt. waves 1 ft or less.
.mon...nw winds around 5 kt. waves 1 ft.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/21/2026 7:57 PM America/New_York.
Valid through 10/22/2026 4:00 AM America/New_York.
fzus51 klwx 212357
cwflwx
expires:202610220800;;965022
coastal waters forecast
national weather service baltimore md/washington dc
756 pm edt wed oct 21 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-220800-
tidal potomac from indian head to cobb island-
756 pm edt wed oct 21 2026
.tonight...n winds 5 to 10 kt. waves 1 ft.
.thu...n winds 5 to 10 kt with gusts to 20 kt. waves 1 ft.
.thu night...n winds 5 to 10 kt with gusts to 20 kt. waves 1 ft.
.fri...ne winds 5 to 10 kt. waves 1 ft.
.fri night...ne winds around 5 kt. waves 1 ft.
.sat...ne winds around 5 kt. waves 1 ft.
.sat night...ne winds around 5 kt. waves 1 ft.
.sun...ne winds around 5 kt. waves 1 ft or less.
.mon...nw winds around 5 kt. waves 1 ft or less.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/21/2026 7:57 PM America/New_York.
Valid through 10/22/2026 4:00 AM America/New_York.
fzus51 klwx 212357
cwflwx
expires:202610220800;;965023
coastal waters forecast
national weather service baltimore md/washington dc
756 pm edt wed oct 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.
anz537-220800-
tidal potomac from cobb island to smith point-
756 pm edt wed oct 21 2026
...small craft advisory in effect through thursday evening...
.tonight...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.thu...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.thu night...n winds 10 to 15 kt with gusts to 25 kt. waves 1 to
2 ft.
.fri...ne winds 10 to 15 kt with gusts to 25 kt. waves 2 ft.
.fri night...ne winds 5 to 10 kt. waves 2 ft.
.sat...ne winds 5 to 10 kt. waves 2 ft.
.sat night...ne winds 5 to 10 kt. waves 1 ft.
.sun...ne winds 5 to 10 kt. waves 1 ft or less.
.mon...nw winds 5 to 10 kt. waves 1 ft or less.
$$
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