(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/19/2026 12:39 AM America/New_York.
Valid through 8/19/2026 4:00 PM America/New_York.
fzus51 klwx 190439
cwflwx
expires:202608192000;;971160
coastal waters forecast
national weather service baltimore md/washington dc
1238 am edt wed aug 19 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.
anz531-192000-
chesapeake bay from pooles island to sandy point-
1238 am edt wed aug 19 2026
.overnight...nw winds 5 kt. waves flat.
.wed...w winds around 5 kt. waves flat.
.wed night...w winds around 5 kt. waves flat.
.thu...ne winds 5 kt. waves less than 1 ft. showers with a chance of
tstms.
.thu night...n winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms.
.fri...ne winds 5 to 10 kt. waves 1 ft. a chance of showers.
.fri night...se winds 5 kt. waves less than 1 ft. a chance of
showers and tstms.
.sat...e winds 5 kt. waves less than 1 ft. a chance of tstms in the
morning. a chance of showers.
.sun...w winds 5 to 10 kt. waves 1 ft. a chance of showers in the
morning, then a chance of showers and tstms through the night.
winds and waves higher and visibilities lower in and near tstms.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/19/2026 12:39 AM America/New_York.
Valid through 8/19/2026 4:00 PM America/New_York.
fzus51 klwx 190439
cwflwx
expires:202608192000;;971163
coastal waters forecast
national weather service baltimore md/washington dc
1238 am edt wed aug 19 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-192000-
chesapeake bay from sandy point to north beach-
1238 am edt wed aug 19 2026
.overnight...nw winds 5 kt. waves flat.
.wed...w winds 5 kt. waves less than 1 ft.
.wed night...sw winds 5 kt. waves less than 1 ft.
.thu...ne winds 5 kt...becoming se in the afternoon. waves 1 ft or
less. showers likely with a chance of tstms.
.thu night...n winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms.
.fri...ne winds 5 to 10 kt. waves 1 ft. a chance of showers.
.fri night...se winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms.
.sat...e winds 5 kt. waves less than 1 ft. a chance of tstms in the
morning. showers likely. a chance of showers after midnight.
.sun...w winds 5 to 10 kt. waves 1 ft. a chance of showers and tstms
through the night.
winds and waves higher and visibilities lower in and near tstms.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/19/2026 12:39 AM America/New_York.
Valid through 8/19/2026 4:00 PM America/New_York.
fzus51 klwx 190439
cwflwx
expires:202608192000;;971165
coastal waters forecast
national weather service baltimore md/washington dc
1238 am edt wed aug 19 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.
anz533-192000-
chesapeake bay from north beach to drum point-
1238 am edt wed aug 19 2026
.overnight...nw winds 5 kt. waves less than 1 ft.
.wed...nw winds 5 kt. waves less than 1 ft.
.wed night...sw winds 5 kt. waves less than 1 ft.
.thu...se winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms.
.thu night...n winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms.
.fri...ne winds 5 to 10 kt. waves 1 ft. a chance of showers.
.fri night...e winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms.
.sat...e winds 5 kt. waves less than 1 ft. a chance of tstms in the
morning. showers likely. a chance of showers after midnight.
.sun...w winds 5 to 10 kt. waves 1 ft. a chance of showers and tstms
through the night.
winds and waves higher and visibilities lower in and near tstms.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/19/2026 12:39 AM America/New_York.
Valid through 8/19/2026 4:00 PM America/New_York.
fzus51 klwx 190439
cwflwx
expires:202608192000;;971168
coastal waters forecast
national weather service baltimore md/washington dc
1238 am edt wed aug 19 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-192000-
chesapeake bay from drum point to smith point-
1238 am edt wed aug 19 2026
.overnight...nw winds 5 kt. waves less than 1 ft.
.wed...nw winds 5 kt. waves less than 1 ft.
.wed night...s winds 5 to 10 kt. waves 1 ft.
.thu...s winds 5 to 10 kt. waves 1 ft. showers likely with a chance
of tstms.
.thu night...ne winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms.
.fri...ne winds 5 to 10 kt. waves 1 ft. a chance of showers.
.fri night...se winds 5 to 10 kt. waves 1 ft. showers with a chance
of tstms.
.sat...e winds 5 to 10 kt...becoming sw after midnight. waves 1 ft.
a chance of tstms in the morning. showers through the day. a chance
of showers through the night.
.sun...w winds 5 to 10 kt. waves 1 to 2 ft. a chance of showers and
tstms through the night.
winds and waves higher and visibilities lower in and near tstms.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/19/2026 12:39 AM America/New_York.
Valid through 8/19/2026 4:00 PM America/New_York.
fzus51 klwx 190439
cwflwx
expires:202608192000;;971156
coastal waters forecast
national weather service baltimore md/washington dc
1238 am edt wed aug 19 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.
anz535-192000-
tidal potomac from key bridge to indian head-
1238 am edt wed aug 19 2026
.overnight...nw winds 5 kt. waves less than 1 ft.
.wed...nw winds around 5 kt. waves 1 ft.
.wed night...w winds around 5 kt. waves 1 ft or less.
.thu...se winds around 5 kt. waves 1 ft. showers likely with a
chance of tstms.
.thu night...n winds around 5 kt. waves 1 ft. showers with a chance
of tstms.
.fri...ne winds 5 kt. waves less than 1 ft. a chance of showers.
.fri night...e winds around 5 kt. waves 1 ft. showers likely with a
chance of tstms.
.sat...se winds around 5 kt. waves 1 ft. showers likely, mainly in
the morning.
.sun...w winds around 5 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/19/2026 12:39 AM America/New_York.
Valid through 8/19/2026 4:00 PM America/New_York.
fzus51 klwx 190439
cwflwx
expires:202608192000;;971157
coastal waters forecast
national weather service baltimore md/washington dc
1238 am edt wed aug 19 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-192000-
tidal potomac from indian head to cobb island-
1238 am edt wed aug 19 2026
.overnight...nw winds 5 kt. waves less than 1 ft.
.wed...nw winds around 5 kt. waves 1 ft. patchy fog. vsby 1 to 3 nm.
.wed night...sw winds around 5 kt. waves 1 ft or less.
.thu...s winds around 5 kt. waves 1 ft. a chance of showers and
tstms.
.thu night...n winds around 5 kt. waves 1 ft. showers likely with a
chance of tstms.
.fri...ne winds 5 kt. waves less than 1 ft. a chance of showers.
.fri night...e winds around 5 kt. waves 1 ft. showers likely with a
chance of tstms.
.sat...e winds around 5 kt. waves 1 ft. showers likely, mainly in
the morning.
.sun...w winds around 5 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/19/2026 12:39 AM America/New_York.
Valid through 8/19/2026 4:00 PM America/New_York.
fzus51 klwx 190439
cwflwx
expires:202608192000;;971158
coastal waters forecast
national weather service baltimore md/washington dc
1238 am edt wed aug 19 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.
anz537-192000-
tidal potomac from cobb island to smith point-
1238 am edt wed aug 19 2026
.overnight...nw winds 5 kt. waves flat.
.wed...nw winds 5 kt. waves less than 1 ft.
.wed night...s winds around 5 kt. waves 1 ft or less.
.thu...s winds 5 kt. waves less than 1 ft. showers likely with a
chance of tstms.
.thu night...n winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms.
.fri...ne winds 5 to 10 kt. waves 1 ft. a chance of showers.
.fri night...se winds 5 kt. waves less than 1 ft. showers likely
with a chance of tstms.
.sat...e winds 5 kt. waves less than 1 ft. showers likely through
the day, then a chance of showers through the night.
.sun...w winds 5 to 10 kt. waves 1 ft. a chance of showers through
the night.
winds and waves higher and visibilities lower in and near tstms.
$$
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