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(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/18/2026 7:57 PM America/New_York.
Valid through 8/19/2026 4:00 AM America/New_York.
fzus51 klwx 182357
cwflwx
expires:202608190800;;961989
coastal waters forecast
national weather service baltimore md/washington dc
756 pm edt tue aug 18 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.
anz531-190800-
chesapeake bay from pooles island to sandy point-
756 pm edt tue aug 18 2026
.tonight...n winds 5 kt. waves less than 1 ft.
.wed...w winds 5 kt. waves flat.
.wed night...sw winds 5 kt. waves flat.
.thu...n winds 5 kt. waves less than 1 ft. showers likely.
.thu night...n winds 5 to 10 kt. waves 1 ft. a chance of showers.
.fri...ne winds 5 to 10 kt. waves 1 ft. a chance of showers.
.fri night...e winds 5 kt. waves less than 1 ft. showers likely with
a chance of tstms.
.sat...se winds 5 kt. waves less than 1 ft. showers likely in the
morning. a chance of showers. a chance of tstms through the night.
.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.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/18/2026 7:57 PM America/New_York.
Valid through 8/19/2026 4:00 AM America/New_York.
fzus51 klwx 182357
cwflwx
expires:202608190800;;961992
coastal waters forecast
national weather service baltimore md/washington dc
756 pm edt tue aug 18 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-190800-
chesapeake bay from sandy point to north beach-
756 pm edt tue aug 18 2026
.tonight...n winds 5 kt. waves flat.
.wed...w winds 5 kt. waves less than 1 ft.
.wed night...sw winds 5 kt. waves less than 1 ft.
.thu...ne winds 5 kt. waves less than 1 ft. showers likely.
.thu night...ne winds 5 to 10 kt. waves 1 ft. a chance of showers
and tstms.
.fri...ne winds 5 to 10 kt. waves 1 ft. a chance of showers.
.fri night...e winds 5 kt. waves less than 1 ft. showers likely with
a chance of tstms.
.sat...se winds 5 kt. waves less than 1 ft. showers likely in the
morning. a chance of showers. a chance of tstms through the night.
.sun...w winds 5 to 10 kt. waves 1 ft. a chance of showers and tstms
through the night.
winds and waves higher and visibilities lower in and near tstms.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/18/2026 7:57 PM America/New_York.
Valid through 8/19/2026 4:00 AM America/New_York.
fzus51 klwx 182357
cwflwx
expires:202608190800;;961994
coastal waters forecast
national weather service baltimore md/washington dc
756 pm edt tue aug 18 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.
anz533-190800-
chesapeake bay from north beach to drum point-
756 pm edt tue aug 18 2026
.tonight...n 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...nw winds 5 kt. waves less than 1 ft. showers likely.
.thu night...ne winds 5 to 10 kt. waves 1 ft. a chance of showers
and tstms.
.fri...ne winds 5 to 10 kt. waves 1 ft. showers likely.
.fri night...e winds 5 kt. waves less than 1 ft. showers likely with
a chance of tstms.
.sat...se winds 5 kt. waves less than 1 ft. showers likely. a chance
of tstms through the night. 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.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/18/2026 7:57 PM America/New_York.
Valid through 8/19/2026 4:00 AM America/New_York.
fzus51 klwx 182357
cwflwx
expires:202608190800;;961997
coastal waters forecast
national weather service baltimore md/washington dc
756 pm edt tue aug 18 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-190800-
chesapeake bay from drum point to smith point-
756 pm edt tue aug 18 2026
.tonight...n winds 5 kt. waves less than 1 ft.
.wed...nw winds 5 kt. waves less than 1 ft.
.wed night...s winds 5 to 10 kt. waves 1 ft.
.thu...s winds 5 to 10 kt. waves 1 ft. showers likely with a chance
of tstms.
.thu night...e winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms.
.fri...ne winds 5 to 10 kt. waves 1 ft. showers likely with a chance
of tstms.
.fri night...e winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms.
.sat...se winds 5 to 10 kt...becoming sw after midnight. waves 1 ft.
showers likely .
.sun...w winds 5 to 10 kt. waves 1 to 2 ft. a chance of showers and
tstms through the night.
winds and waves higher and visibilities lower in and near tstms.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/18/2026 7:57 PM America/New_York.
Valid through 8/19/2026 4:00 AM America/New_York.
fzus51 klwx 182357
cwflwx
expires:202608190800;;961985
coastal waters forecast
national weather service baltimore md/washington dc
756 pm edt tue aug 18 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.
anz535-190800-
tidal potomac from key bridge to indian head-
756 pm edt tue aug 18 2026
.tonight...n winds 5 kt. waves less than 1 ft.
.wed...nw winds around 5 kt. waves 1 ft.
.wed night...sw winds around 5 kt. waves 1 ft or less.
.thu...n winds around 5 kt. waves 1 ft. showers likely.
.thu night...n winds around 5 kt. waves 1 ft. a chance of showers
and tstms.
.fri...ne winds around 5 kt. waves 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. a chance of showers.
.sun...w winds around 5 kt. waves 1 ft. a chance of showers and
tstms through the night.
winds and waves higher and visibilities lower in and near tstms.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/18/2026 7:57 PM America/New_York.
Valid through 8/19/2026 4:00 AM America/New_York.
fzus51 klwx 182357
cwflwx
expires:202608190800;;961986
coastal waters forecast
national weather service baltimore md/washington dc
756 pm edt tue aug 18 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-190800-
tidal potomac from indian head to cobb island-
756 pm edt tue aug 18 2026
.tonight...n winds 5 kt. waves less than 1 ft.
.wed...nw winds around 5 kt. waves 1 ft.
.wed night...s winds around 5 kt. waves 1 ft or less.
.thu...ne winds around 5 kt. waves 1 ft. showers likely.
.thu night...n winds around 5 kt. waves 1 ft. showers likely with a
chance of tstms.
.fri...ne winds around 5 kt. waves 1 ft. showers likely with a
chance of tstms.
.fri night...e winds around 5 kt. waves 1 ft. showers likely with a
chance of tstms.
.sat...se winds around 5 kt. waves 1 ft. a chance of showers in the
morning, then showers likely through the night. a chance of showers
after midnight.
.sun...nw winds around 5 kt. waves 1 ft. a chance of showers and
tstms through the night.
winds and waves higher and visibilities lower in and near tstms.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/18/2026 7:57 PM America/New_York.
Valid through 8/19/2026 4:00 AM America/New_York.
fzus51 klwx 182357
cwflwx
expires:202608190800;;961987
coastal waters forecast
national weather service baltimore md/washington dc
756 pm edt tue aug 18 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.
anz537-190800-
tidal potomac from cobb island to smith point-
756 pm edt tue aug 18 2026
.tonight...n winds 5 kt. waves less than 1 ft.
.wed...nw winds around 5 kt. waves 1 ft or less.
.wed night...s winds around 5 kt. waves 1 ft or less.
.thu...s winds around 5 kt. waves 1 ft or less. showers 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. showers likely with a chance
of tstms.
.fri night...e winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms.
.sat...se winds 5 kt. waves less than 1 ft. 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.
$$
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