(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 11/20/2025 12:57 AM America/New_York.
Valid through 11/20/2025 4:00 PM America/New_York.
fzus51 klwx 200557
cwflwx
expires:202511202100;;177285
coastal waters forecast
national weather service baltimore md/washington dc
1257 am est thu nov 20 2025
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.
anz531-202100-
chesapeake bay from pooles island to sandy point-
1257 am est thu nov 20 2025
.overnight...n winds 5 kt. waves less than 1 ft.
.thu...ne winds around 5 kt. waves flat.
.thu night...se winds around 5 kt. waves flat.
.fri...s winds around 5 kt. waves 1 ft or less. a chance of rain.
.fri night...s winds 5 kt...becoming nw after midnight. waves 1 ft.
rain.
.sat...n winds 10 kt. waves 1 ft. a chance of rain.
.sat night...n winds 5 to 10 kt. waves 1 ft.
.sun...w winds 5 kt...becoming sw. waves 1 ft or less.
.mon...w winds 5 to 10 kt...becoming se. waves 1 ft.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 11/20/2025 12:57 AM America/New_York.
Valid through 11/20/2025 4:00 PM America/New_York.
fzus51 klwx 200557
cwflwx
expires:202511202100;;177288
coastal waters forecast
national weather service baltimore md/washington dc
1257 am est thu nov 20 2025
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-202100-
chesapeake bay from sandy point to north beach-
1257 am est thu nov 20 2025
.overnight...n winds 5 to 10 kt. waves 1 ft.
.thu...ne winds around 5 kt. waves flat. patchy fog. vsby 1 to 3 nm.
.thu night...se winds around 5 kt. waves flat.
.fri...s winds 5 kt. waves less than 1 ft. a chance of rain.
.fri night...sw winds 5 to 10 kt. waves 1 ft. rain.
.sat...n winds 10 to 15 kt. waves 1 to 2 ft. a chance of rain.
.sat night...n winds 5 to 10 kt. waves 1 ft.
.sun...w winds 5 kt...becoming sw. waves 1 ft or less.
.mon...nw winds 5 to 10 kt...becoming se. waves 1 ft.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 11/20/2025 12:57 AM America/New_York.
Valid through 11/20/2025 4:00 PM America/New_York.
fzus51 klwx 200557
cwflwx
expires:202511202100;;177290
coastal waters forecast
national weather service baltimore md/washington dc
1257 am est thu nov 20 2025
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.
anz533-202100-
chesapeake bay from north beach to drum point-
1257 am est thu nov 20 2025
.overnight...n winds 5 to 10 kt. waves 1 ft.
.thu...ne winds around 5 kt. waves 1 ft or less.
.thu night...se winds around 5 kt. waves flat.
.fri...s winds 5 kt. waves less than 1 ft. a chance of rain.
.fri night...sw winds 5 to 10 kt. waves 1 ft. rain.
.sat...n winds 10 to 15 kt. waves 2 ft. a chance of rain.
.sat night...n winds 10 to 15 kt. waves 1 to 2 ft.
.sun...nw winds 5 kt...becoming sw. waves 1 ft or less.
.mon...nw winds 5 to 10 kt...becoming se. waves 1 ft.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 11/20/2025 12:57 AM America/New_York.
Valid through 11/20/2025 4:00 PM America/New_York.
fzus51 klwx 200557
cwflwx
expires:202511202100;;177293
coastal waters forecast
national weather service baltimore md/washington dc
1257 am est thu nov 20 2025
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-202100-
chesapeake bay from drum point to smith point-
1257 am est thu nov 20 2025
.overnight...n winds 10 to 15 kt. waves 1 to 2 ft.
.thu...n winds 5 to 10 kt. waves 1 ft.
.thu night...e winds around 5 kt. waves flat.
.fri...s winds 5 to 10 kt. waves 1 ft. a chance of rain.
.fri night...sw winds 5 to 10 kt. waves 1 ft. rain.
.sat...n winds 10 to 15 kt. waves 2 ft. a chance of rain.
.sat night...n winds 10 to 15 kt. waves 2 ft.
.sun...n winds 5 to 10 kt...becoming sw. waves 1 ft.
.mon...nw winds 5 to 10 kt...becoming se. waves 1 ft.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 11/20/2025 12:57 AM America/New_York.
Valid through 11/20/2025 4:00 PM America/New_York.
fzus51 klwx 200557
cwflwx
expires:202511202100;;177281
coastal waters forecast
national weather service baltimore md/washington dc
1257 am est thu nov 20 2025
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.
anz535-202100-
tidal potomac from key bridge to indian head-
1257 am est thu nov 20 2025
.overnight...n winds around 5 kt. waves 1 ft or less.
.thu...light winds. waves flat.
.thu night...se winds around 5 kt. waves flat.
.fri...s winds around 5 kt. waves 1 ft. a chance of rain.
.fri night...sw winds around 5 kt. waves 1 ft. rain.
.sat...n winds 5 to 10 kt. waves 1 ft. a chance of rain.
.sat night...n winds around 5 kt. waves 1 ft.
.sun...w winds around 5 kt. waves 1 ft.
.mon...ne winds around 5 kt. waves 1 ft.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 11/20/2025 12:57 AM America/New_York.
Valid through 11/20/2025 4:00 PM America/New_York.
fzus51 klwx 200557
cwflwx
expires:202511202100;;177282
coastal waters forecast
national weather service baltimore md/washington dc
1257 am est thu nov 20 2025
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-202100-
tidal potomac from indian head to cobb island-
1257 am est thu nov 20 2025
.overnight...n winds 5 kt. waves less than 1 ft.
.thu...e winds around 5 kt. waves 1 ft or less. patchy fog. vsby
1 to 3 nm.
.thu night...se winds around 5 kt. waves 1 ft.
.fri...s winds around 5 kt. waves 1 ft. a chance of rain.
.fri night...sw winds 5 to 10 kt. waves 1 ft. rain.
.sat...n winds 5 to 10 kt. waves 1 ft. a chance of rain.
.sat night...n winds around 5 kt. waves 1 ft.
.sun...w winds around 5 kt. waves 1 ft.
.mon...ne winds around 5 kt. waves 1 ft.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 11/20/2025 12:57 AM America/New_York.
Valid through 11/20/2025 4:00 PM America/New_York.
fzus51 klwx 200557
cwflwx
expires:202511202100;;177283
coastal waters forecast
national weather service baltimore md/washington dc
1257 am est thu nov 20 2025
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.
anz537-202100-
tidal potomac from cobb island to smith point-
1257 am est thu nov 20 2025
.overnight...n winds 10 kt. waves 1 ft.
.thu...ne winds around 5 kt. waves 1 ft or less.
.thu night...se winds around 5 kt. waves flat.
.fri...s winds 5 kt. waves less than 1 ft. a chance of rain.
.fri night...sw winds 5 to 10 kt. waves 1 ft. rain.
.sat...n winds 10 to 15 kt. waves 1 to 2 ft. a chance of rain.
.sat night...n winds 5 to 10 kt. waves 1 ft.
.sun...w winds around 5 kt...increasing to 5 to 10 kt after
midnight. waves 1 ft or less.
.mon...nw winds 5 kt...becoming se after midnight. waves 1 ft.
$$
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