(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/17/2026 5:42 PM America/New_York.
Valid through 8/18/2026 5:00 AM America/New_York.
fzus51 klwx 172142
cwflwx
expires:202608180900;;901434
coastal waters forecast
national weather service baltimore md/washington dc
542 pm edt mon aug 17 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.
anz531-180900-
chesapeake bay from pooles island to sandy point-
542 pm edt mon aug 17 2026
.tonight...nw winds 5 kt. waves less than 1 ft. scattered showers
and tstms this evening.
.tue...n winds 5 to 10 kt. waves 1 ft.
.tue night...n winds around 5 kt. waves 1 ft or less.
.wed...w winds around 5 kt. waves 1 ft or less.
.wed night...sw winds 5 kt. waves less than 1 ft. a chance of
showers.
.thu...n winds 5 kt. waves flat. showers likely with a chance of
tstms.
.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 through
the day. a chance of tstms. showers likely through the night.
.sat...e winds 5 kt. waves less than 1 ft. a chance of showers.
winds and waves higher and visibilities lower in and near tstms.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/17/2026 5:42 PM America/New_York.
Valid through 8/18/2026 5:00 AM America/New_York.
fzus51 klwx 172142
cwflwx
expires:202608180900;;901437
coastal waters forecast
national weather service baltimore md/washington dc
542 pm edt mon aug 17 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-180900-
chesapeake bay from sandy point to north beach-
542 pm edt mon aug 17 2026
.tonight...nw winds 5 kt. waves less than 1 ft. scattered showers
with isolated tstms this evening.
.tue...n winds 5 to 10 kt. waves 1 ft.
.tue night...n winds around 5 kt. waves 1 ft or less.
.wed...w winds 5 kt. waves less than 1 ft.
.wed night...sw winds 5 kt. waves less than 1 ft. a chance of
showers.
.thu...n winds 5 kt. waves less than 1 ft. showers likely with a
chance of tstms.
.thu night...ne winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms.
.fri...ne winds 5 to 10 kt. waves 1 ft. a chance of showers through
the day. a chance of tstms. showers likely through the night.
.sat...ne winds 5 kt...becoming s. waves 1 ft. a chance of showers.
winds and waves higher and visibilities lower in and near tstms.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/17/2026 5:42 PM America/New_York.
Valid through 8/18/2026 5:00 AM America/New_York.
fzus51 klwx 172142
cwflwx
expires:202608180900;;901439
coastal waters forecast
national weather service baltimore md/washington dc
542 pm edt mon aug 17 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.
anz533-180900-
chesapeake bay from north beach to drum point-
542 pm edt mon aug 17 2026
.tonight...nw winds 5 kt. waves less than 1 ft. scattered showers
and tstms, mainly this evening.
.tue...n winds 5 to 10 kt. waves 1 ft.
.tue night...n winds around 5 kt. waves 1 ft or less.
.wed...nw winds 5 kt. waves flat.
.wed night...sw winds 5 to 10 kt. waves 1 ft. a chance of showers.
.thu...n winds 5 kt. waves less than 1 ft. showers likely with a
chance of tstms.
.thu night...e winds 5 kt...becoming n after midnight. waves 1 ft.
showers likely with a chance of tstms.
.fri...ne winds 5 to 10 kt. waves 1 ft. a chance of showers in the
morning, then showers likely with a chance of tstms.
.sat...e winds 5 kt. waves less than 1 ft. a chance of showers.
winds and waves higher and visibilities lower in and near tstms.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/17/2026 5:42 PM America/New_York.
Valid through 8/18/2026 5:00 AM America/New_York.
fzus51 klwx 172142
cwflwx
expires:202608180900;;901442
coastal waters forecast
national weather service baltimore md/washington dc
542 pm edt mon aug 17 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-180900-
chesapeake bay from drum point to smith point-
542 pm edt mon aug 17 2026
.tonight...w winds 5 kt. waves less than 1 ft. scattered showers.
scattered tstms, mainly this evening.
.tue...n winds 5 to 10 kt. waves 1 ft.
.tue night...n winds 5 to 10 kt. waves 1 ft.
.wed...nw winds 5 kt. waves less than 1 ft.
.wed night...s winds 5 to 10 kt. waves 1 ft. a chance of showers.
.thu...sw winds 5 to 10 kt. waves 1 ft. showers likely with a chance
of tstms.
.thu night...se winds 5 to 10 kt...becoming nw after midnight. waves
1 ft. showers with a chance of tstms.
.fri...ne winds 5 to 10 kt. waves 1 ft. a chance of showers in the
morning, then showers likely with a chance of tstms.
.sat...nw winds 5 to 10 kt...becoming s. waves 1 ft. showers likely.
a chance of showers after midnight.
winds and waves higher and visibilities lower in and near tstms.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/17/2026 5:42 PM America/New_York.
Valid through 8/18/2026 5:00 AM America/New_York.
fzus51 klwx 172142
cwflwx
expires:202608180900;;901430
coastal waters forecast
national weather service baltimore md/washington dc
542 pm edt mon aug 17 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.
anz535-180900-
tidal potomac from key bridge to indian head-
542 pm edt mon aug 17 2026
.tonight...nw winds 5 kt. waves less than 1 ft. scattered showers
and tstms this evening.
.tue...n winds 5 kt. waves less than 1 ft.
.tue night...nw winds around 5 kt. waves 1 ft or less.
.wed...nw winds around 5 kt. waves 1 ft.
.wed night...sw winds around 5 kt. waves 1 ft or less. a chance of
showers.
.thu...nw 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 through
the day. a chance of tstms. showers likely through the night.
.sat...e winds around 5 kt. waves 1 ft. a chance of showers.
winds and waves higher and visibilities lower in and near tstms.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/17/2026 5:42 PM America/New_York.
Valid through 8/18/2026 5:00 AM America/New_York.
fzus51 klwx 172142
cwflwx
expires:202608180900;;901431
coastal waters forecast
national weather service baltimore md/washington dc
542 pm edt mon aug 17 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-180900-
tidal potomac from indian head to cobb island-
542 pm edt mon aug 17 2026
.tonight...nw winds 5 kt. waves less than 1 ft. scattered showers
and tstms this evening.
.tue...n winds 5 kt. waves less than 1 ft.
.tue night...n winds around 5 kt. waves 1 ft.
.wed...nw winds around 5 kt. waves 1 ft.
.wed night...sw winds around 5 kt. waves 1 ft. a chance of showers.
.thu...n winds around 5 kt. waves 1 ft. showers likely with a chance
of tstms.
.thu night...n winds around 5 kt. waves 1 ft. showers likely with a
chance of tstms.
.fri...ne winds around 5 kt. waves 1 ft or less. a chance of showers
in the morning, then showers likely with a chance of tstms.
.sat...ne winds around 5 kt. waves 1 ft. a chance of showers.
winds and waves higher and visibilities lower in and near tstms.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/17/2026 5:42 PM America/New_York.
Valid through 8/18/2026 5:00 AM America/New_York.
fzus51 klwx 172142
cwflwx
expires:202608180900;;901432
coastal waters forecast
national weather service baltimore md/washington dc
542 pm edt mon aug 17 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.
anz537-180900-
tidal potomac from cobb island to smith point-
542 pm edt mon aug 17 2026
.tonight...nw winds 5 kt. waves less than 1 ft. scattered showers
and tstms this evening, then scattered showers with isolated tstms
after midnight.
.tue...n winds 5 kt. waves less than 1 ft.
.tue night...n winds around 5 kt. waves 1 ft or less.
.wed...nw winds around 5 kt. waves flat.
.wed night...s winds 5 to 10 kt. waves 1 ft. a chance of showers.
.thu...n winds around 5 kt. waves 1 ft or less. a chance of showers
and tstms.
.thu night...ne winds 5 kt. waves less than 1 ft. showers with a
chance of tstms.
.fri...ne winds 5 kt. waves less than 1 ft. a chance of showers in
the morning, then showers likely with a chance of tstms.
.sat...nw winds 5 kt. waves less than 1 ft. a chance of showers in
the morning, then showers likely through the night. a chance of
showers after midnight.
winds and waves higher and visibilities lower in and near tstms.
$$
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