(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/19/2026 10:57 PM America/New_York.
Valid through 8/20/2026 4:00 AM America/New_York.
fzus51 klwx 200257
cwflwx
expires:202608200800;;024416
coastal waters forecast
national weather service baltimore md/washington dc
1057 pm 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.
anz531-200800-
chesapeake bay from pooles island to sandy point-
1057 pm edt wed aug 19 2026
.rest of tonight...sw winds 5 kt. waves flat.
.thu...se winds 5 kt. waves less than 1 ft. showers likely with a
chance of tstms.
.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.
.fri night...e winds 5 to 10 kt. waves 1 ft. showers likely.
.sat...e winds 5 kt. waves less than 1 ft. showers likely with a
chance of tstms.
.sat night...s winds 5 kt. waves less than 1 ft. a chance of showers
and tstms.
.sun...w winds 5 to 10 kt. waves 1 ft.
.mon...nw winds 5 to 10 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/19/2026 10:57 PM America/New_York.
Valid through 8/20/2026 4:00 AM America/New_York.
fzus51 klwx 200257
cwflwx
expires:202608200800;;024419
coastal waters forecast
national weather service baltimore md/washington dc
1057 pm edt wed aug 19 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-200800-
chesapeake bay from sandy point to north beach-
1057 pm edt wed aug 19 2026
.rest of tonight...sw winds 5 kt. waves flat.
.thu...s winds 5 to 10 kt. waves 1 ft. showers likely with a chance
of tstms.
.thu night...n winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms.
.fri...ne winds 5 to 10 kt. waves 1 ft. a chance of showers.
.fri night...e winds 5 to 10 kt. waves 1 ft. showers likely.
.sat...e winds 5 kt. waves less than 1 ft. showers likely with a
chance of tstms.
.sat night...s winds 5 kt. waves less than 1 ft. a chance of showers
and tstms.
.sun...w winds 5 to 10 kt. waves 1 ft.
.mon...n winds 5 to 10 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/19/2026 10:57 PM America/New_York.
Valid through 8/20/2026 4:00 AM America/New_York.
fzus51 klwx 200257
cwflwx
expires:202608200800;;024421
coastal waters forecast
national weather service baltimore md/washington dc
1057 pm 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.
anz533-200800-
chesapeake bay from north beach to drum point-
1057 pm edt wed aug 19 2026
...small craft advisory in effect thursday afternoon...
.rest of tonight...s winds 5 kt. waves less than 1 ft.
.thu...s winds 5 to 10 kt. gusts up to 20 kt in the late morning and
afternoon. waves 1 ft. showers likely with a chance of tstms.
.thu night...n winds 5 to 10 kt. waves 1 ft. showers 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...se winds 5 kt. waves less than 1 ft. showers likely with a
chance of tstms.
.sat night...sw winds 5 kt. waves less than 1 ft. a chance of
showers and tstms.
.sun...w winds 5 to 10 kt. waves 1 ft. a chance of showers and tstms
through the night.
.mon...n winds 5 to 10 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/19/2026 10:57 PM America/New_York.
Valid through 8/20/2026 4:00 AM America/New_York.
fzus51 klwx 200257
cwflwx
expires:202608200800;;024424
coastal waters forecast
national weather service baltimore md/washington dc
1057 pm edt wed aug 19 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-200800-
chesapeake bay from drum point to smith point-
1057 pm edt wed aug 19 2026
...small craft advisory in effect thursday afternoon...
.rest of tonight...s winds 10 kt. waves 1 to 2 ft.
.thu...s winds 5 to 10 kt with gusts to 20 kt. waves 1 to 2 ft. a
chance of showers and tstms.
.thu night...sw winds 5 to 10 kt with gusts to 20 kt...becoming nw
after midnight. waves 1 to 2 ft. showers and tstms likely.
.fri...n winds 5 to 10 kt. waves 1 ft. a chance of showers.
.fri night...e winds 5 to 10 kt. waves 1 ft. showers with a chance
of tstms.
.sat...s winds 5 to 10 kt. waves 1 ft. showers likely.
.sat night...sw winds 5 to 10 kt. waves 1 ft. a chance of showers
and tstms.
.sun...w winds 5 to 10 kt. waves 1 ft. a chance of showers and tstms
through the night.
.mon...n winds 5 to 10 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/19/2026 10:57 PM America/New_York.
Valid through 8/20/2026 4:00 AM America/New_York.
fzus51 klwx 200257
cwflwx
expires:202608200800;;024412
coastal waters forecast
national weather service baltimore md/washington dc
1057 pm 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.
anz535-200800-
tidal potomac from key bridge to indian head-
1057 pm edt wed aug 19 2026
.rest of tonight...light winds. waves flat.
.thu...s winds around 5 kt. waves 1 ft. showers with a chance of
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 or less. showers
likely.
.sat...n winds around 5 kt. waves 1 ft. showers likely with a chance
of tstms.
.sat night...sw winds around 5 kt. waves 1 ft. a chance of showers
and tstms.
.sun...nw winds around 5 kt. waves 1 ft.
.mon...nw winds around 5 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/19/2026 10:57 PM America/New_York.
Valid through 8/20/2026 4:00 AM America/New_York.
fzus51 klwx 200257
cwflwx
expires:202608200800;;024413
coastal waters forecast
national weather service baltimore md/washington dc
1057 pm edt wed aug 19 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-200800-
tidal potomac from indian head to cobb island-
1057 pm edt wed aug 19 2026
.rest of tonight...s winds around 5 kt. waves flat.
.thu...s winds around 5 kt. waves 1 ft. showers likely with a chance
of tstms.
.thu night...n winds around 5 kt. waves 1 ft. showers likely with a
chance of tstms.
.fri...ne winds around 5 kt. waves 1 ft. a chance of showers.
.fri night...e winds around 5 kt. waves 1 ft. showers with a chance
of tstms.
.sat...s winds around 5 kt. waves 1 ft. showers likely with a chance
of tstms.
.sat night...sw winds around 5 kt. waves 1 ft or less. a chance of
showers and tstms.
.sun...nw winds around 5 kt. waves 1 ft.
.mon...n winds around 5 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/19/2026 10:57 PM America/New_York.
Valid through 8/20/2026 4:00 AM America/New_York.
fzus51 klwx 200257
cwflwx
expires:202608200800;;024414
coastal waters forecast
national weather service baltimore md/washington dc
1057 pm 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.
anz537-200800-
tidal potomac from cobb island to smith point-
1057 pm edt wed aug 19 2026
.rest of tonight...s winds 5 kt. waves less than 1 ft.
.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. showers likely with a
chance of tstms.
.fri...n winds 5 to 10 kt. waves 1 ft. a chance of showers.
.fri night...e winds 5 to 10 kt. waves 1 ft. showers with a chance
of tstms.
.sat...s winds 5 kt. waves less than 1 ft. showers likely with a
chance of tstms.
.sat night...sw winds 5 kt. waves less than 1 ft.
.sun...w winds 5 to 10 kt. waves 1 ft or less. a chance of showers
and tstms through the night.
.mon...n winds 5 to 10 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
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