(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/18/2025 4:35 AM America/New_York.
Valid through 9/18/2025 7:00 PM America/New_York.
fzus51 klwx 180835
cwflwx
expires:202509182300;;181581
coastal waters forecast
national weather service baltimore md/washington dc
434 am edt thu sep 18 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.
anz531-182300-
chesapeake bay from pooles island to sandy point-
434 am edt thu sep 18 2025
.rest of the overnight...n winds 10 kt. waves 1 ft. patchy fog. vsby
1 to 3 nm.
.today...n winds 5 to 10 kt...becoming s late. waves 1 ft or less.
.tonight...sw winds 5 kt. waves less than 1 ft.
.fri...w winds 5 kt. waves flat.
.fri night...n winds 5 to 10 kt. waves 1 ft or less.
.sat...ne winds 5 to 10 kt. waves 1 ft.
.sat night...e winds 10 kt. waves 1 ft.
.sun...e winds 5 to 10 kt. waves 1 ft.
.mon...se winds 5 to 10 kt. waves 1 ft.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/18/2025 4:35 AM America/New_York.
Valid through 9/18/2025 7:00 PM America/New_York.
fzus51 klwx 180835
cwflwx
expires:202509182300;;181584
coastal waters forecast
national weather service baltimore md/washington dc
434 am edt thu sep 18 2025
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-182300-
chesapeake bay from sandy point to north beach-
434 am edt thu sep 18 2025
.rest of the overnight...n winds 10 kt. waves 1 ft. patchy fog. vsby
1 to 3 nm.
.today...n winds 5 to 10 kt...becoming s late. waves 1 ft.
.tonight...sw winds 5 to 10 kt. waves 1 ft.
.fri...nw winds 5 kt. waves less than 1 ft.
.fri night...s winds 5 kt...becoming ne after midnight. waves 1 ft
or less.
.sat...ne winds 10 kt. waves 1 ft.
.sat night...e winds 10 to 15 kt. waves 1 to 2 ft.
.sun...e winds 5 to 10 kt. waves 1 ft.
.mon...se winds 5 to 10 kt. waves 1 ft.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/18/2025 4:35 AM America/New_York.
Valid through 9/18/2025 7:00 PM America/New_York.
fzus51 klwx 180835
cwflwx
expires:202509182300;;181586
coastal waters forecast
national weather service baltimore md/washington dc
434 am edt thu sep 18 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.
anz533-182300-
chesapeake bay from north beach to drum point-
434 am edt thu sep 18 2025
.rest of the overnight...n winds 10 kt. waves 1 ft. patchy fog. vsby
1 to 3 nm.
.today...n winds 5 to 10 kt...becoming sw late. waves 1 ft.
.tonight...sw winds 5 to 10 kt. waves 1 ft.
.fri...nw winds 5 kt. waves less than 1 ft.
.fri night...s winds 5 kt...becoming ne after midnight. waves 1 ft
or less.
.sat...ne winds 10 kt. waves 1 to 2 ft.
.sat night...e winds 10 to 15 kt. waves 1 to 2 ft.
.sun...e winds 5 to 10 kt. waves 1 ft.
.mon...se winds 5 to 10 kt. waves 1 ft.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/18/2025 4:35 AM America/New_York.
Valid through 9/18/2025 7:00 PM America/New_York.
fzus51 klwx 180835
cwflwx
expires:202509182300;;181589
coastal waters forecast
national weather service baltimore md/washington dc
434 am edt thu sep 18 2025
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-182300-
chesapeake bay from drum point to smith point-
434 am edt thu sep 18 2025
.rest of the overnight...n winds 10 kt. waves 1 ft. patchy fog. vsby
1 to 3 nm.
.today...nw winds 5 to 10 kt. waves 1 ft.
.tonight...sw winds 5 to 10 kt. waves 1 ft.
.fri...w winds 5 to 10 kt. waves 1 ft.
.fri night...s winds 5 kt...becoming w after midnight. waves 1 ft or
less.
.sat...ne winds 10 kt. waves 1 ft.
.sat night...e winds 10 to 15 kt. waves 2 ft.
.sun...e winds 10 kt. waves 1 to 2 ft.
.mon...se winds 5 to 10 kt...becoming s after midnight. waves 1 ft.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/18/2025 4:35 AM America/New_York.
Valid through 9/18/2025 7:00 PM America/New_York.
fzus51 klwx 180835
cwflwx
expires:202509182300;;181577
coastal waters forecast
national weather service baltimore md/washington dc
434 am edt thu sep 18 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.
anz535-182300-
tidal potomac from key bridge to indian head-
434 am edt thu sep 18 2025
.rest of the overnight...nw winds 5 kt. waves less than 1 ft. patchy
fog. vsby 1 to 3 nm.
.today...nw winds around 5 kt. waves 1 ft.
.tonight...sw winds around 5 kt. waves 1 ft.
.fri...nw winds around 5 kt. waves 1 ft.
.fri night...n winds around 5 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...e winds around 5 kt. waves 1 ft.
.mon...se winds around 5 kt. waves 1 ft.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/18/2025 4:35 AM America/New_York.
Valid through 9/18/2025 7:00 PM America/New_York.
fzus51 klwx 180835
cwflwx
expires:202509182300;;181578
coastal waters forecast
national weather service baltimore md/washington dc
434 am edt thu sep 18 2025
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-182300-
tidal potomac from indian head to cobb island-
434 am edt thu sep 18 2025
.rest of the overnight...n winds 5 kt. waves less than 1 ft. patchy
fog. vsby 1 to 3 nm.
.today...nw winds around 5 kt. waves 1 ft. patchy fog. vsby 1 to
3 nm.
.tonight...sw winds around 5 kt. waves 1 ft.
.fri...nw winds around 5 kt. waves 1 ft.
.fri night...se winds around 5 kt. waves 1 ft.
.sat...ne winds 5 to 10 kt. waves 1 ft.
.sat night...e winds 5 to 10 kt. waves 1 ft.
.sun...e winds 5 to 10 kt. waves 1 ft.
.mon...se winds around 5 kt. waves 1 ft.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/18/2025 4:35 AM America/New_York.
Valid through 9/18/2025 7:00 PM America/New_York.
fzus51 klwx 180835
cwflwx
expires:202509182300;;181579
coastal waters forecast
national weather service baltimore md/washington dc
434 am edt thu sep 18 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.
anz537-182300-
tidal potomac from cobb island to smith point-
434 am edt thu sep 18 2025
.rest of the overnight...nw winds 5 kt. waves less than 1 ft. patchy
fog. vsby 1 to 3 nm.
.today...nw winds 5 to 10 kt. waves 1 ft. patchy fog. vsby 1 to
3 nm.
.tonight...sw winds around 5 kt. waves 1 ft or less.
.fri...w winds around 5 kt. waves 1 ft or less.
.fri night...s winds around 5 kt...becoming nw after midnight. waves
flat.
.sat...ne winds 5 to 10 kt. waves 1 ft.
.sat night...e winds 10 kt. waves 2 ft.
.sun...e winds 5 to 10 kt. waves 1 to 2 ft.
.mon...e winds 5 to 10 kt...becoming s after midnight. waves 1 ft.
$$
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