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(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/12/2026 4:57 AM America/New_York.
Valid through 9/12/2026 7:00 PM America/New_York.
fzus51 klwx 120857
cwflwx
expires:202609122300;;316980
coastal waters forecast
national weather service baltimore md/washington dc
457 am edt sat sep 12 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.
anz531-122300-
chesapeake bay from pooles island to sandy point-
457 am edt sat sep 12 2026
.rest of the overnight...e winds 5 kt. waves less than 1 ft.
.today...se winds 5 to 10 kt. waves 1 ft.
.tonight...se winds 10 to 15 kt...becoming s 5 to 10 kt late. waves
2 ft. showers with a chance of tstms. patchy fog. vsby 1 nm or less.
.sun...w winds 5 to 10 kt. waves 1 ft. showers likely. patchy fog.
.sun night...w winds 5 to 10 kt. waves 1 ft or less.
.mon...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.mon night...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.tue...e winds 5 to 10 kt...becoming se. waves 1 ft.
.wed...s winds 5 to 10 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/12/2026 4:57 AM America/New_York.
Valid through 9/12/2026 7:00 PM America/New_York.
fzus51 klwx 120857
cwflwx
expires:202609122300;;316983
coastal waters forecast
national weather service baltimore md/washington dc
457 am edt sat sep 12 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-122300-
chesapeake bay from sandy point to north beach-
457 am edt sat sep 12 2026
.rest of the overnight...e winds 5 kt. waves less than 1 ft.
.today...se winds 5 to 10 kt. waves 1 to 2 ft. a chance of showers.
.tonight...se winds 10 to 15 kt...becoming s 5 to 10 kt late. gusts
up to 20 kt. waves 2 ft. showers with a chance of tstms. patchy fog.
vsby 1 nm or less.
.sun...w winds 5 to 10 kt. waves 1 ft. showers likely. patchy fog.
.sun night...w winds 5 to 10 kt. waves 1 ft or less.
.mon...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.mon night...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.tue...e winds 5 to 10 kt...becoming s after midnight. waves 1 ft.
.wed...s winds 5 to 10 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/12/2026 4:57 AM America/New_York.
Valid through 9/12/2026 7:00 PM America/New_York.
fzus51 klwx 120857
cwflwx
expires:202609122300;;316985
coastal waters forecast
national weather service baltimore md/washington dc
457 am edt sat sep 12 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.
anz533-122300-
chesapeake bay from north beach to drum point-
457 am edt sat sep 12 2026
.rest of the overnight...e winds 10 kt. waves 1 ft.
.today...se winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
a chance of showers.
.tonight...se winds 10 to 15 kt...becoming s 5 to 10 kt late. gusts
up to 20 kt. waves 2 ft. showers with a chance of tstms. patchy fog.
vsby 1 nm or less.
.sun...w winds 5 to 10 kt. waves 1 ft. a chance of showers.
.sun night...w winds 5 to 10 kt. waves 1 ft or less.
.mon...n winds 15 to 20 kt. waves 3 ft.
.mon night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 to
3 ft.
.tue...e winds 5 to 10 kt...becoming se after midnight. waves 1 to
2 ft.
.wed...s winds 5 to 10 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/12/2026 4:57 AM America/New_York.
Valid through 9/12/2026 7:00 PM America/New_York.
fzus51 klwx 120857
cwflwx
expires:202609122300;;316988
coastal waters forecast
national weather service baltimore md/washington dc
457 am edt sat sep 12 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-122300-
chesapeake bay from drum point to smith point-
457 am edt sat sep 12 2026
.rest of the overnight...e winds 10 kt. waves 1 ft. a slight chance
of showers.
.today...se winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of showers.
.tonight...se winds 10 to 15 kt...becoming sw late. gusts up to
20 kt. waves 2 to 3 ft. showers with a chance of tstms. patchy fog.
vsby 1 nm or less.
.sun...w winds 5 to 10 kt. waves 1 ft. a chance of showers.
.sun night...w winds 5 to 10 kt. waves 1 ft.
.mon...n winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
.mon night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 to
3 ft.
.tue...ne winds 10 to 15 kt...becoming e 5 to 10 kt. waves 1 to
2 ft.
.wed...se winds 5 to 10 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/12/2026 4:57 AM America/New_York.
Valid through 9/12/2026 7:00 PM America/New_York.
fzus51 klwx 120857
cwflwx
expires:202609122300;;316976
coastal waters forecast
national weather service baltimore md/washington dc
457 am edt sat sep 12 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.
anz535-122300-
tidal potomac from key bridge to indian head-
457 am edt sat sep 12 2026
.rest of the overnight...light winds. waves 1 ft. a slight chance of
showers.
.today...se winds 5 to 10 kt. waves 1 ft. a chance of showers.
.tonight...s winds 5 to 10 kt. waves 1 ft. showers with a chance of
tstms. patchy fog. vsby 1 nm or less.
.sun...w winds around 5 kt. waves 1 ft. a chance of showers.
.sun night...nw winds around 5 kt. waves 1 ft.
.mon...n winds 5 to 10 kt with gusts to 20 kt. waves 1 ft.
.mon night...n winds 5 to 10 kt. waves 1 ft.
.tue...se winds around 5 kt. waves 1 ft.
.wed...s winds around 5 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/12/2026 4:57 AM America/New_York.
Valid through 9/12/2026 7:00 PM America/New_York.
fzus51 klwx 120857
cwflwx
expires:202609122300;;316977
coastal waters forecast
national weather service baltimore md/washington dc
457 am edt sat sep 12 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-122300-
tidal potomac from indian head to cobb island-
457 am edt sat sep 12 2026
.rest of the overnight...e winds 5 kt. waves less than 1 ft. a
slight chance of showers.
.today...se winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms.
.tonight...s winds 5 to 10 kt. waves 1 ft. showers with a chance of
tstms. patchy fog. vsby 1 nm or less.
.sun...w winds around 5 kt. waves 1 ft. a chance of showers. patchy
fog.
.sun night...w winds around 5 kt. waves 1 ft.
.mon...n winds 5 to 10 kt. waves 1 ft.
.mon night...n winds 5 to 10 kt. waves 1 ft.
.tue...se winds around 5 kt. waves 1 ft.
.wed...s winds around 5 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/12/2026 4:57 AM America/New_York.
Valid through 9/12/2026 7:00 PM America/New_York.
fzus51 klwx 120857
cwflwx
expires:202609122300;;316978
coastal waters forecast
national weather service baltimore md/washington dc
457 am edt sat sep 12 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.
anz537-122300-
tidal potomac from cobb island to smith point-
457 am edt sat sep 12 2026
.rest of the overnight...e winds 10 kt. waves 1 ft. a slight chance
of showers.
.today...se winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of showers.
.tonight...s winds 10 to 15 kt with gusts to 20 kt... becoming sw
5 to 10 kt late. waves 1 to 2 ft. a chance of showers and tstms.
patchy fog. vsby 1 nm or less.
.sun...w winds 5 to 10 kt. waves 1 ft. a chance of showers.
.sun night...w winds 5 to 10 kt. waves 1 ft or less.
.mon...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.mon night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.tue...e winds 5 to 10 kt...becoming se after midnight. waves 1 to
2 ft.
.wed...se winds around 5 kt. waves 1 ft or less.
winds and waves higher and visibilities lower in and near tstms.
$$
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