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(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/21/2026 7:57 AM America/New_York.
Valid through 8/21/2026 4:00 PM America/New_York.
fzus51 klwx 211157
cwflwx
expires:202608212000;;106152
coastal waters forecast
national weather service baltimore md/washington dc
757 am edt fri aug 21 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.
anz531-212000-
chesapeake bay from pooles island to sandy point-
757 am edt fri aug 21 2026
.today...ne winds 5 to 10 kt. waves 1 to 2 ft.
.tonight...e winds 5 kt. waves less than 1 ft. a chance of showers.
.sat...e winds 5 to 10 kt. waves 1 ft. showers with a chance of
tstms.
.sat night...e winds 5 to 10 kt. waves 1 ft or less. a chance of
showers and tstms.
.sun...w winds 5 to 10 kt. waves 1 ft.
.sun night...nw winds 5 to 10 kt. waves 1 ft.
.mon...nw winds 5 to 10 kt. waves 1 ft.
.tue...w winds 5 kt. waves less than 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/21/2026 7:57 AM America/New_York.
Valid through 8/21/2026 4:00 PM America/New_York.
fzus51 klwx 211157
cwflwx
expires:202608212000;;106155
coastal waters forecast
national weather service baltimore md/washington dc
757 am edt fri aug 21 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-212000-
chesapeake bay from sandy point to north beach-
757 am edt fri aug 21 2026
.today...ne winds 5 to 10 kt. waves 1 to 2 ft.
.tonight...e winds 5 to 10 kt. waves 1 ft. a chance of showers.
.sat...e winds 5 to 10 kt. waves 1 ft. showers with a chance of
tstms.
.sat night...e winds 5 to 10 kt...becoming sw after midnight. waves
1 ft. a chance of showers and tstms.
.sun...w winds 5 to 10 kt. waves 1 ft.
.sun night...nw winds 5 to 10 kt. waves 1 ft.
.mon...w winds 5 to 10 kt. waves 1 ft.
.tue...n winds 5 to 10 kt...becoming s. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/21/2026 7:57 AM America/New_York.
Valid through 8/21/2026 4:00 PM America/New_York.
fzus51 klwx 211157
cwflwx
expires:202608212000;;106157
coastal waters forecast
national weather service baltimore md/washington dc
757 am edt fri aug 21 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.
anz533-212000-
chesapeake bay from north beach to drum point-
757 am edt fri aug 21 2026
.today...n winds 10 to 15 kt...diminishing to 5 kt late. waves 1 to
2 ft.
.tonight...e winds 5 to 10 kt. waves 1 ft. showers likely.
.sat...e winds 5 to 10 kt. waves 1 ft. showers with a chance of
tstms.
.sat night...se winds 5 to 10 kt...becoming sw after midnight. waves
1 ft. showers likely with a chance of tstms.
.sun...w winds 5 kt. waves less than 1 ft. a chance of showers.
.sun night...nw winds 5 to 10 kt. waves 1 ft.
.mon...w winds 5 to 10 kt. waves 1 ft.
.tue...n winds 5 to 10 kt...becoming s. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/21/2026 7:57 AM America/New_York.
Valid through 8/21/2026 4:00 PM America/New_York.
fzus51 klwx 211157
cwflwx
expires:202608212000;;106160
coastal waters forecast
national weather service baltimore md/washington dc
757 am edt fri aug 21 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-212000-
chesapeake bay from drum point to smith point-
757 am edt fri aug 21 2026
.today...n winds 10 to 15 kt...diminishing to 5 kt late. waves 1 to
2 ft.
.tonight...e winds 5 to 10 kt. waves 1 ft. showers likely.
.sat...se winds 5 to 10 kt. waves 1 ft. showers with a chance of
tstms.
.sat night...sw winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms.
.sun...w winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms.
.sun night...nw winds 5 to 10 kt. waves 1 to 2 ft.
.mon...nw winds 5 to 10 kt...becoming sw in the evening, then
becoming nw after midnight. waves 1 to 2 ft.
.tue...n winds 5 to 10 kt...becoming se. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/21/2026 7:57 AM America/New_York.
Valid through 8/21/2026 4:00 PM America/New_York.
fzus51 klwx 211157
cwflwx
expires:202608212000;;106148
coastal waters forecast
national weather service baltimore md/washington dc
757 am edt fri aug 21 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.
anz535-212000-
tidal potomac from key bridge to indian head-
757 am edt fri aug 21 2026
.today...ne winds 5 kt. waves less than 1 ft.
.tonight...e winds around 5 kt. waves 1 ft or less. showers likely.
.sat...e winds around 5 kt. waves 1 ft. showers with a chance of
tstms.
.sat night...se winds around 5 kt. waves 1 ft or less. a chance of
showers and tstms.
.sun...w winds 5 to 10 kt. waves 1 ft.
.sun night...nw winds 5 kt. waves less than 1 ft.
.mon...nw winds around 5 kt. waves 1 ft.
.tue...sw winds around 5 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/21/2026 7:57 AM America/New_York.
Valid through 8/21/2026 4:00 PM America/New_York.
fzus51 klwx 211157
cwflwx
expires:202608212000;;106149
coastal waters forecast
national weather service baltimore md/washington dc
757 am edt fri aug 21 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-212000-
tidal potomac from indian head to cobb island-
757 am edt fri aug 21 2026
.today...n winds 5 to 10 kt...becoming e late. waves 1 ft.
.tonight...e winds around 5 kt. waves 1 ft. showers likely.
.sat...e winds around 5 kt. waves 1 ft. showers with a chance of
tstms.
.sat night...nw winds around 5 kt. waves 1 ft or less. a chance of
showers and tstms.
.sun...w winds around 5 kt. waves 1 ft.
.sun night...nw winds around 5 kt. waves 1 ft.
.mon...nw winds around 5 kt. waves 1 ft.
.tue...sw winds around 5 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/21/2026 7:57 AM America/New_York.
Valid through 8/21/2026 4:00 PM America/New_York.
fzus51 klwx 211157
cwflwx
expires:202608212000;;106150
coastal waters forecast
national weather service baltimore md/washington dc
757 am edt fri aug 21 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.
anz537-212000-
tidal potomac from cobb island to smith point-
757 am edt fri aug 21 2026
.today...n winds 5 to 10 kt. waves 1 ft.
.tonight...e winds 5 kt. waves less than 1 ft. showers likely.
.sat...se winds 5 to 10 kt. waves 1 ft. showers with a chance of
tstms.
.sat night...sw winds 5 kt. waves less than 1 ft. showers likely
with a chance of tstms.
.sun...w winds 5 kt. waves less than 1 ft. a chance of showers.
.sun night...nw winds 5 to 10 kt. waves 1 ft or less.
.mon...nw winds 5 to 10 kt...becoming w. waves 1 ft.
.tue...ne winds around 5 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
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