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(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 11/20/2025 6:57 PM America/New_York.
Valid through 11/21/2025 4:00 AM America/New_York.
fzus51 klwx 202357
cwflwx
expires:202511210900;;221553
coastal waters forecast
national weather service baltimore md/washington dc
657 pm 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.
anz531-210900-
chesapeake bay from pooles island to sandy point-
657 pm est thu nov 20 2025
.tonight...se winds 5 kt. waves flat.
.fri...s winds 5 kt. waves less than 1 ft. a chance of rain.
.fri night...sw winds around 5 kt...becoming n late. waves 1 ft or
less. 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 to 10 kt. waves 1 ft.
.sun night...w winds 5 to 10 kt. waves 1 ft.
.mon...nw winds around 5 kt...becoming se after midnight. waves 1 ft
or less.
.tue...s winds 5 to 10 kt. waves 1 to 2 ft. a chance of rain through
the day, then rain likely in the evening. a chance of rain after
midnight.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 11/20/2025 6:57 PM America/New_York.
Valid through 11/21/2025 4:00 AM America/New_York.
fzus51 klwx 202357
cwflwx
expires:202511210900;;221556
coastal waters forecast
national weather service baltimore md/washington dc
657 pm est thu nov 20 2025
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-210900-
chesapeake bay from sandy point to north beach-
657 pm est thu nov 20 2025
.tonight...se winds 5 kt. waves flat.
.fri...s winds 5 kt. waves less than 1 ft. a chance of rain.
.fri night...sw winds 5 kt...becoming n late. waves 1 ft. rain. vsby
1 to 3 nm.
.sat...n winds 10 to 15 kt. waves 2 ft. a chance of rain.
.sat night...n winds 5 to 10 kt. waves 1 ft.
.sun...w winds 5 kt. waves less than 1 ft.
.sun night...w winds 5 to 10 kt. waves 1 ft.
.mon...nw winds 5 to 10 kt...becoming se. waves 1 ft.
.tue...s winds 10 to 15 kt. waves 1 to 2 ft. a chance of rain
through the day, then rain likely through the night.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 11/20/2025 6:57 PM America/New_York.
Valid through 11/21/2025 4:00 AM America/New_York.
fzus51 klwx 202357
cwflwx
expires:202511210900;;221558
coastal waters forecast
national weather service baltimore md/washington dc
657 pm 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.
anz533-210900-
chesapeake bay from north beach to drum point-
657 pm est thu nov 20 2025
.tonight...se winds 5 kt. waves flat.
.fri...s winds 5 kt. waves less than 1 ft. a chance of rain.
.fri night...s winds 5 kt...becoming nw late. 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 to 10 kt. waves 1 ft.
.sun night...w winds 5 to 10 kt. waves 1 ft.
.mon...nw winds 5 to 10 kt...becoming se. waves 1 ft.
.tue...s winds 10 to 15 kt. waves 1 to 2 ft. a chance of rain
through the day, then rain likely through the night.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 11/20/2025 6:57 PM America/New_York.
Valid through 11/21/2025 4:00 AM America/New_York.
fzus51 klwx 202357
cwflwx
expires:202511210900;;221561
coastal waters forecast
national weather service baltimore md/washington dc
657 pm est thu nov 20 2025
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-210900-
chesapeake bay from drum point to smith point-
657 pm est thu nov 20 2025
.tonight...se winds 5 kt. waves flat.
.fri...s winds 5 to 10 kt. waves 1 ft. a chance of rain.
.fri night...sw winds 5 to 10 kt. waves 1 ft. rain.
.sat...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. rain
likely.
.sat night...n winds 10 to 15 kt. waves 2 ft.
.sun...nw winds 5 to 10 kt. waves 1 ft.
.sun night...w winds 5 to 10 kt. waves 1 ft.
.mon...n winds 5 to 10 kt...becoming se. waves 1 ft.
.tue...s winds 10 to 15 kt. waves 1 to 2 ft...building to 3 ft. a
chance of rain in the afternoon. rain likely through the night.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 11/20/2025 6:57 PM America/New_York.
Valid through 11/21/2025 4:00 AM America/New_York.
fzus51 klwx 202357
cwflwx
expires:202511210900;;221549
coastal waters forecast
national weather service baltimore md/washington dc
657 pm 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.
anz535-210900-
tidal potomac from key bridge to indian head-
657 pm est thu nov 20 2025
.tonight...se winds around 5 kt. waves 1 ft.
.fri...s winds around 5 kt. waves 1 ft. a chance of rain.
.fri night...s 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.
.sun night...w winds around 5 kt. waves 1 ft.
.mon...ne winds around 5 kt. waves 1 ft.
.tue...s winds 5 to 10 kt. waves 1 ft. a chance of rain through the
day, then rain likely in the evening. a chance of rain after
midnight.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 11/20/2025 6:57 PM America/New_York.
Valid through 11/21/2025 4:00 AM America/New_York.
fzus51 klwx 202357
cwflwx
expires:202511210900;;221550
coastal waters forecast
national weather service baltimore md/washington dc
657 pm est thu nov 20 2025
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-210900-
tidal potomac from indian head to cobb island-
657 pm est thu nov 20 2025
.tonight...se winds 5 kt. waves less than 1 ft.
.fri...s winds around 5 kt. waves 1 ft. a chance of rain. vsby 1 to
3 nm.
.fri night...s winds around 5 kt...becoming nw late. waves 1 ft.
rain.
.sat...n winds 5 to 10 kt. waves 1 ft. a chance of rain.
.sat night...n winds 5 to 10 kt. waves 1 ft.
.sun...w winds around 5 kt. waves 1 ft.
.sun night...w winds around 5 kt. waves 1 ft.
.mon...e winds around 5 kt. waves 1 ft.
.tue...s winds 5 to 10 kt. waves 1 ft. a chance of rain through the
day, then rain likely through the night.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 11/20/2025 6:57 PM America/New_York.
Valid through 11/21/2025 4:00 AM America/New_York.
fzus51 klwx 202357
cwflwx
expires:202511210900;;221551
coastal waters forecast
national weather service baltimore md/washington dc
657 pm 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.
anz537-210900-
tidal potomac from cobb island to smith point-
657 pm est thu nov 20 2025
.tonight...se winds 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...nw winds around 5 kt. waves 1 ft.
.sun night...sw winds 5 kt. waves less than 1 ft.
.mon...ne winds 5 kt...becoming se after midnight. waves 1 ft.
.tue...s winds 10 to 15 kt. waves 1 to 2 ft. a chance of rain in the
afternoon. rain likely through the night.
$$
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