(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/20/2026 7:56 PM America/New_York.
Valid through 10/21/2026 4:00 AM America/New_York.
fzus51 klwx 202356
cwflwx
expires:202610210800;;910519
coastal waters forecast
national weather service baltimore md/washington dc
756 pm edt tue oct 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-
756 pm edt tue oct 20 2026
...small craft advisory in effect through wednesday afternoon...
.tonight...ne winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft.
.wed...n winds 15 to 20 kt with gusts to 25 kt. waves 2 to 3 ft.
.wed night...n winds 10 to 15 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 with gusts to 25 kt. waves 2 to
3 ft.
.fri...n winds 15 to 20 kt. waves 2 to 3 ft.
.fri night...ne winds 5 to 10 kt. waves 1 ft.
.sat...e winds around 5 kt. waves 1 ft or less.
.sun...s winds around 5 kt. waves flat.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/20/2026 7:56 PM America/New_York.
Valid through 10/21/2026 4:00 AM America/New_York.
fzus51 klwx 202356
cwflwx
expires:202610210800;;910522
coastal waters forecast
national weather service baltimore md/washington dc
756 pm edt tue oct 20 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-210800-
chesapeake bay from sandy point to north beach-
756 pm edt tue oct 20 2026
...small craft advisory in effect through wednesday afternoon...
.tonight...ne winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft.
.wed...n winds 15 to 20 kt with gusts to 25 kt. waves 2 to 3 ft.
.wed night...n winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft.
.thu...n winds 10 to 15 kt. waves 2 ft.
.thu night...n winds 20 to 25 kt. waves 2 to 3 ft.
.fri...n winds 15 to 20 kt. gusts up to 25 kt in the morning. waves
2 to 3 ft.
.fri night...ne winds 5 to 10 kt. waves 1 ft.
.sat...e winds 5 to 10 kt. waves 1 ft or less.
.sun...se winds around 5 kt. waves flat.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/20/2026 7:56 PM America/New_York.
Valid through 10/21/2026 4:00 AM America/New_York.
fzus51 klwx 202356
cwflwx
expires:202610210800;;910524
coastal waters forecast
national weather service baltimore md/washington dc
756 pm edt tue oct 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-
756 pm edt tue oct 20 2026
...small craft advisory in effect through wednesday afternoon...
.tonight...n winds 20 kt with gusts to 30 kt. waves 3 ft.
.wed...n winds 20 to 25 kt. waves 3 ft.
.wed night...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 20 kt. waves 2 ft.
.thu night...n winds 20 to 25 kt. waves 3 ft.
.fri...n winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
.fri night...ne winds 5 to 10 kt. waves 1 to 2 ft.
.sat...ne winds 5 to 10 kt. waves 1 ft or less.
.sun...e winds around 5 kt. waves flat.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/20/2026 7:56 PM America/New_York.
Valid through 10/21/2026 4:00 AM America/New_York.
fzus51 klwx 202356
cwflwx
expires:202610210800;;910527
coastal waters forecast
national weather service baltimore md/washington dc
756 pm edt tue oct 20 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-210800-
chesapeake bay from drum point to smith point-
756 pm edt tue oct 20 2026
...small craft advisory in effect through wednesday afternoon...
.tonight...n winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
.wed...n winds 20 to 25 kt. waves 3 ft.
.wed night...n winds 15 to 20 kt. waves 3 ft.
.thu...n winds 15 to 20 kt. waves 3 ft.
.thu night...n winds 10 to 15 kt...increasing to 20 to 25 kt after
midnight. waves 3 ft.
.fri...n winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
.fri night...ne winds 10 to 15 kt. waves 1 to 2 ft.
.sat...ne winds 5 to 10 kt. waves 1 ft.
.sun...e winds 5 to 10 kt. waves 1 ft or less.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/20/2026 7:56 PM America/New_York.
Valid through 10/21/2026 4:00 AM America/New_York.
fzus51 klwx 202356
cwflwx
expires:202610210800;;910515
coastal waters forecast
national weather service baltimore md/washington dc
756 pm edt tue oct 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.
anz535-210800-
tidal potomac from key bridge to indian head-
756 pm edt tue oct 20 2026
.tonight...n winds 5 to 10 kt. waves 1 ft.
.wed...n winds 5 to 10 kt. waves 1 ft.
.wed night...n winds 5 kt. waves less than 1 ft.
.thu...nw winds 5 to 10 kt. waves 1 ft.
.thu night...n winds 5 to 10 kt. waves 1 ft.
.fri...n 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 or less.
.sun...se winds around 5 kt. waves 1 ft or less.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/20/2026 7:56 PM America/New_York.
Valid through 10/21/2026 4:00 AM America/New_York.
fzus51 klwx 202356
cwflwx
expires:202610210800;;910516
coastal waters forecast
national weather service baltimore md/washington dc
756 pm edt tue oct 20 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-210800-
tidal potomac from indian head to cobb island-
756 pm edt tue oct 20 2026
.tonight...n winds 10 to 15 kt with gusts to 20 kt. waves 1 ft.
.wed...n winds 10 to 15 kt with gusts to 20 kt. waves 1 ft.
.wed night...n winds 5 to 10 kt. waves 1 ft.
.thu...n winds 5 to 10 kt. waves 1 ft.
.thu night...n winds 10 to 15 kt. waves 1 ft.
.fri...n winds 10 to 15 kt. waves 1 ft.
.fri night...ne winds around 5 kt. waves 1 ft.
.sat...ne winds around 5 kt. waves 1 ft or less.
.sun...se winds around 5 kt. waves 1 ft or less.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/20/2026 7:56 PM America/New_York.
Valid through 10/21/2026 4:00 AM America/New_York.
fzus51 klwx 202356
cwflwx
expires:202610210800;;910517
coastal waters forecast
national weather service baltimore md/washington dc
756 pm edt tue oct 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.
anz537-210800-
tidal potomac from cobb island to smith point-
756 pm edt tue oct 20 2026
...small craft advisory in effect through wednesday afternoon...
.tonight...n winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
.wed...n winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
.wed night...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 with gusts to 25 kt. waves 2 to
3 ft.
.fri...n 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 to 2 ft.
.sat...ne winds 5 to 10 kt. waves 1 ft.
.sun...e winds around 5 kt. waves 1 ft or less.
$$
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