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(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/19/2026 2:27 AM America/New_York.
Valid through 7/19/2026 4:00 PM America/New_York.
fzus51 klwx 190627
cwflwx
expires:202607192000;;217566
coastal waters forecast
national weather service baltimore md/washington dc
227 am edt sun jul 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-
227 am edt sun jul 19 2026
.overnight...w winds 15 kt. waves 1 ft. isolated showers.
.sun...n winds 10 to 15 kt. waves 1 ft.
.sun night...ne winds 5 to 10 kt. waves 1 ft.
.mon...e winds 5 to 10 kt. waves 1 ft.
.mon night...se winds 10 to 15 kt. waves 1 ft. a chance of showers.
.tue...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
showers with a chance of tstms.
.tue night...sw winds 15 to 20 kt. waves 2 ft. showers with a chance
of tstms.
.wed...w winds 10 to 15 kt...becoming nw. waves 1 to 2 ft. showers
likely in the morning, then a chance of tstms through the night. a
chance of showers.
.thu...n winds 5 to 10 kt. waves 1 to 2 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/19/2026 2:27 AM America/New_York.
Valid through 7/19/2026 4:00 PM America/New_York.
fzus51 klwx 190627
cwflwx
expires:202607192000;;217569
coastal waters forecast
national weather service baltimore md/washington dc
227 am edt sun jul 19 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-192000-
chesapeake bay from sandy point to north beach-
227 am edt sun jul 19 2026
.overnight...w winds 10 kt. waves 1 ft. isolated showers.
.sun...n winds 10 kt. waves 1 ft.
.sun night...ne winds 5 to 10 kt. waves 1 ft.
.mon...e winds 5 to 10 kt. waves 1 ft.
.mon night...se winds 10 to 15 kt. waves 2 ft. showers likely.
.tue...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. showers
with a chance of tstms.
.tue night...sw winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft. showers with a chance of tstms.
.wed...w winds 10 to 15 kt...becoming nw. waves 1 to 2 ft. a chance
of showers in the morning, then showers likely with a chance of
tstms through the night. a chance of showers after midnight.
.thu...n winds 10 to 15 kt...becoming ne 5 kt after midnight. waves
1 to 2 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/19/2026 2:27 AM America/New_York.
Valid through 7/19/2026 4:00 PM America/New_York.
fzus51 klwx 190627
cwflwx
expires:202607192000;;217571
coastal waters forecast
national weather service baltimore md/washington dc
227 am edt sun jul 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-
227 am edt sun jul 19 2026
...small craft advisory in effect until 6 am edt early this
morning...
.overnight...w winds 10 to 15 kt with gusts to 20 kt. waves 1 ft.
isolated showers.
.sun...n winds 10 kt. waves 1 ft.
.sun night...ne winds 5 to 10 kt. waves 1 ft.
.mon...e winds 5 to 10 kt. waves 1 ft.
.mon night...se winds 10 to 15 kt. waves 2 ft. showers likely.
.tue...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
showers with a chance of tstms.
.tue night...sw winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft. showers with a chance of tstms.
.wed...w winds 10 to 15 kt...becoming nw. waves 1 to 2 ft. showers
likely. a chance of tstms through the night, then a chance of
showers after midnight.
.thu...n winds 10 to 15 kt...becoming ne 5 kt after midnight. waves
1 to 2 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/19/2026 2:27 AM America/New_York.
Valid through 7/19/2026 4:00 PM America/New_York.
fzus51 klwx 190627
cwflwx
expires:202607192000;;217574
coastal waters forecast
national weather service baltimore md/washington dc
227 am edt sun jul 19 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-192000-
chesapeake bay from drum point to smith point-
227 am edt sun jul 19 2026
...small craft advisory in effect until 6 am edt early this
morning...
.overnight...w winds 15 kt with gusts to 20 kt. waves 2 ft. isolated
showers.
.sun...nw winds 5 to 10 kt. waves 1 to 2 ft.
.sun night...ne winds 5 to 10 kt. waves 1 ft.
.mon...e winds 5 to 10 kt. waves 1 ft.
.mon night...se winds 10 to 15 kt. waves 2 ft. showers likely with a
chance of tstms.
.tue...s winds 10 to 15 kt with gusts to 20 kt. waves 2 to 3 ft.
showers with a chance of tstms.
.tue night...sw winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
showers with a chance of tstms.
.wed...w winds 15 to 20 kt...becoming n 10 to 15 kt after midnight.
waves 3 ft...subsiding to 2 ft. showers. a chance of tstms through
the night, then a chance of showers after midnight.
.thu...n winds 10 to 15 kt. waves 1 to 2 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/19/2026 2:27 AM America/New_York.
Valid through 7/19/2026 4:00 PM America/New_York.
fzus51 klwx 190627
cwflwx
expires:202607192000;;217562
coastal waters forecast
national weather service baltimore md/washington dc
227 am edt sun jul 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-
227 am edt sun jul 19 2026
.overnight...w winds 5 kt. waves less than 1 ft. isolated showers.
.sun...nw winds 5 to 10 kt. waves 1 ft.
.sun night...ne winds around 5 kt. waves 1 ft.
.mon...e winds around 5 kt. waves 1 ft.
.mon night...se winds 5 kt. waves less than 1 ft. a chance of
showers.
.tue...s winds 5 to 10 kt. gusts up to 20 kt in the afternoon. waves
1 ft. showers with a chance of tstms.
.tue night...sw winds 5 to 10 kt with gusts to 20 kt. waves 1 ft.
showers with a chance of tstms.
.wed...w winds 5 to 10 kt...becoming n after midnight. waves 1 ft.
showers likely. a chance of tstms through the night, then a chance
of showers after midnight.
.thu...n winds 5 to 10 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/19/2026 2:27 AM America/New_York.
Valid through 7/19/2026 4:00 PM America/New_York.
fzus51 klwx 190627
cwflwx
expires:202607192000;;217563
coastal waters forecast
national weather service baltimore md/washington dc
227 am edt sun jul 19 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-192000-
tidal potomac from indian head to cobb island-
227 am edt sun jul 19 2026
.overnight...w winds 10 kt. waves 1 ft. isolated showers.
.sun...nw winds 5 to 10 kt. waves 1 ft.
.sun night...ne winds around 5 kt. waves 1 ft.
.mon...e winds 5 to 10 kt. waves 1 ft.
.mon night...se winds 5 to 10 kt. waves 1 ft. a chance of showers.
.tue...s winds 5 to 10 kt. gusts up to 20 kt in the afternoon. waves
1 ft. showers with a chance of tstms.
.tue night...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft.
showers with a chance of tstms.
.wed...w winds 10 to 15 kt...becoming nw 5 to 10 kt. waves 1 ft. a
chance of showers in the morning, then showers likely with a chance
of tstms through the night. a chance of showers after midnight.
.thu...n winds 5 to 10 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/19/2026 2:27 AM America/New_York.
Valid through 7/19/2026 4:00 PM America/New_York.
fzus51 klwx 190627
cwflwx
expires:202607192000;;217564
coastal waters forecast
national weather service baltimore md/washington dc
227 am edt sun jul 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-
227 am edt sun jul 19 2026
...small craft advisory in effect until 6 am edt early this
morning...
.overnight...w winds 10 kt with gusts to 20 kt. waves 1 ft. isolated
showers.
.sun...nw winds 5 to 10 kt. waves 1 ft.
.sun night...ne winds 5 to 10 kt. waves 1 ft.
.mon...e winds 5 to 10 kt. waves 1 ft.
.mon night...se winds 5 to 10 kt. waves 1 to 2 ft. showers likely
with a chance of tstms.
.tue...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
showers with a chance of tstms.
.tue night...sw winds 15 to 20 kt. waves 2 ft. showers with a chance
of tstms.
.wed...sw winds 10 to 15 kt...becoming nw 5 to 10 kt. waves 1 to
2 ft. showers through the day. a chance of tstms through the night.
a chance of showers through the night.
.thu...n winds 5 to 10 kt. waves 1 to 2 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
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