(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/12/2026 7:57 AM America/New_York.
Valid through 7/12/2026 4:00 PM America/New_York.
fzus51 klwx 121157
cwflwx
expires:202607122000;;844056
coastal waters forecast
national weather service baltimore md/washington dc
757 am edt sun jul 12 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.
anz531-122000-
chesapeake bay from pooles island to sandy point-
757 am edt sun jul 12 2026
.today...e winds 10 kt. waves 1 ft.
.tonight...se winds 5 to 10 kt. waves 1 ft.
.mon...e winds 5 to 10 kt. waves 1 ft.
.mon night...s winds 5 to 10 kt. waves 1 ft.
.tue...sw winds 5 to 10 kt. waves 1 ft or less.
.tue night...sw winds 5 to 10 kt. waves 1 ft.
.wed...w winds 5 to 10 kt. waves 1 ft.
.thu...nw winds 5 to 10 kt. waves 1 ft.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/12/2026 7:57 AM America/New_York.
Valid through 7/12/2026 4:00 PM America/New_York.
fzus51 klwx 121157
cwflwx
expires:202607122000;;844059
coastal waters forecast
national weather service baltimore md/washington dc
757 am edt sun jul 12 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-122000-
chesapeake bay from sandy point to north beach-
757 am edt sun jul 12 2026
.today...e winds 10 to 15 kt. waves 1 to 2 ft. a slight chance of
showers. a slight chance of tstms this afternoon.
.tonight...se winds 10 to 15 kt. waves 1 to 2 ft.
.mon...e winds 5 to 10 kt. waves 1 ft.
.mon night...s winds 5 to 10 kt. waves 1 ft.
.tue...sw winds around 5 kt. waves 1 ft or less.
.tue night...sw winds 5 to 10 kt. waves 1 ft.
.wed...w winds 5 to 10 kt. waves 1 ft.
.thu...nw winds 5 to 10 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/12/2026 7:57 AM America/New_York.
Valid through 7/12/2026 4:00 PM America/New_York.
fzus51 klwx 121157
cwflwx
expires:202607122000;;844061
coastal waters forecast
national weather service baltimore md/washington dc
757 am edt sun jul 12 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.
anz533-122000-
chesapeake bay from north beach to drum point-
757 am edt sun jul 12 2026
.today...e winds 10 to 15 kt. waves 1 to 2 ft. a slight chance of
tstms. a slight chance of showers this morning, then a chance of
showers this afternoon.
.tonight...e winds 10 to 15 kt. waves 1 to 2 ft.
.mon...e winds 5 to 10 kt. waves 1 ft.
.mon night...se winds 5 to 10 kt. waves 1 ft.
.tue...e winds 5 kt. waves less than 1 ft.
.tue night...sw winds 5 to 10 kt. waves 1 ft.
.wed...sw winds 5 to 10 kt. waves 1 ft.
.thu...nw winds 5 to 10 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/12/2026 7:57 AM America/New_York.
Valid through 7/12/2026 4:00 PM America/New_York.
fzus51 klwx 121157
cwflwx
expires:202607122000;;844064
coastal waters forecast
national weather service baltimore md/washington dc
757 am edt sun jul 12 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-122000-
chesapeake bay from drum point to smith point-
757 am edt sun jul 12 2026
...small craft advisory in effect from 5 pm edt this afternoon
through late tonight...
.today...e winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. a
chance of showers and tstms.
.tonight...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.mon...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.mon night...e winds 5 to 10 kt. waves 1 to 2 ft.
.tue...e winds around 5 kt. waves 1 ft or less.
.tue night...sw winds 5 to 10 kt. waves 1 ft.
.wed...sw winds 5 to 10 kt. waves 1 to 2 ft.
.thu...n winds 5 to 10 kt...becoming sw. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/12/2026 7:57 AM America/New_York.
Valid through 7/12/2026 4:00 PM America/New_York.
fzus51 klwx 121157
cwflwx
expires:202607122000;;844052
coastal waters forecast
national weather service baltimore md/washington dc
757 am edt sun jul 12 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.
anz535-122000-
tidal potomac from key bridge to indian head-
757 am edt sun jul 12 2026
.today...e winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms this afternoon.
.tonight...e winds 5 to 10 kt. waves 1 ft.
.mon...e winds 5 kt. waves less than 1 ft.
.mon night...s winds around 5 kt. waves 1 ft or less.
.tue...w winds around 5 kt. waves 1 ft or less.
.tue night...sw winds 5 kt. waves less than 1 ft.
.wed...w winds 5 to 10 kt. waves 1 ft.
.thu...nw winds around 5 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/12/2026 7:57 AM America/New_York.
Valid through 7/12/2026 4:00 PM America/New_York.
fzus51 klwx 121157
cwflwx
expires:202607122000;;844053
coastal waters forecast
national weather service baltimore md/washington dc
757 am edt sun jul 12 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-122000-
tidal potomac from indian head to cobb island-
757 am edt sun jul 12 2026
.today...ne winds 5 to 10 kt...becoming e late. waves 1 ft. a chance
of showers with a slight chance of tstms this morning, then showers
likely with a chance of tstms this afternoon.
.tonight...e winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms.
.mon...e winds 5 to 10 kt. waves 1 ft.
.mon night...se winds 5 to 10 kt. waves 1 ft or less.
.tue...e winds around 5 kt. waves 1 ft or less.
.tue night...sw winds around 5 kt. waves 1 ft.
.wed...w winds 5 kt. waves less than 1 ft.
.thu...nw winds around 5 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/12/2026 7:57 AM America/New_York.
Valid through 7/12/2026 4:00 PM America/New_York.
fzus51 klwx 121157
cwflwx
expires:202607122000;;844054
coastal waters forecast
national weather service baltimore md/washington dc
757 am edt sun jul 12 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.
anz537-122000-
tidal potomac from cobb island to smith point-
757 am edt sun jul 12 2026
...small craft advisory in effect from 5 pm edt this afternoon
through late tonight...
.today...e winds 10 to 15 kt. gusts up to 20 kt late this morning
and afternoon. waves 1 to 2 ft. a chance of showers and tstms.
.tonight...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.mon...e winds 5 to 10 kt. waves 2 ft.
.mon night...e winds 5 to 10 kt. waves 1 to 2 ft.
.tue...e winds around 5 kt. waves 1 ft.
.tue night...sw winds 5 to 10 kt. waves 1 ft.
.wed...sw winds 5 to 10 kt. waves 1 ft.
.thu...nw winds 5 kt. waves less than 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
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