(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/13/2026 7:57 AM America/New_York.
Valid through 9/13/2026 4:00 PM America/New_York.
fzus51 klwx 131157
cwflwx
expires:202609132000;;379205
coastal waters forecast
national weather service baltimore md/washington dc
757 am edt sun sep 13 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.
anz531-132000-
chesapeake bay from pooles island to sandy point-
757 am edt sun sep 13 2026
.today...w winds 5 kt. waves less than 1 ft. showers this morning.
.tonight...sw winds 5 kt...becoming nw 10 to 15 kt late. waves 1 ft
or less.
.mon...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.mon night...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.tue...e winds 5 to 10 kt. waves 1 ft.
.tue night...se winds 5 to 10 kt. waves 1 ft.
.wed...s winds 5 kt. waves less than 1 ft.
.thu...s winds 5 to 10 kt. waves 1 ft or less.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/13/2026 7:57 AM America/New_York.
Valid through 9/13/2026 4:00 PM America/New_York.
fzus51 klwx 131157
cwflwx
expires:202609132000;;379208
coastal waters forecast
national weather service baltimore md/washington dc
757 am edt sun sep 13 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-132000-
chesapeake bay from sandy point to north beach-
757 am edt sun sep 13 2026
.today...w winds 5 kt. waves less than 1 ft. scattered showers this
morning, then isolated showers and tstms this afternoon.
.tonight...s winds 5 kt...becoming nw 10 to 15 kt after midnight.
waves 1 ft or less.
.mon...n winds 15 to 20 kt with gusts to 25 kt. waves 2 ft.
.mon night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.tue...e winds 5 to 10 kt. waves 1 ft.
.tue night...se winds 5 to 10 kt. waves 1 ft.
.wed...s winds 5 to 10 kt. waves 1 ft.
.thu...s winds 5 to 10 kt. waves 1 to 2 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/13/2026 7:57 AM America/New_York.
Valid through 9/13/2026 4:00 PM America/New_York.
fzus51 klwx 131157
cwflwx
expires:202609132000;;379210
coastal waters forecast
national weather service baltimore md/washington dc
757 am edt sun sep 13 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.
anz533-132000-
chesapeake bay from north beach to drum point-
757 am edt sun sep 13 2026
.today...w winds 5 to 10 kt...becoming s late. waves 1 ft or less.
numerous showers this morning, then isolated showers and tstms this
afternoon.
.tonight...s winds 5 kt...becoming w 10 to 15 kt after midnight.
waves 1 ft or less.
.mon...n winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
.mon night...ne winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft.
.tue...e winds 5 to 10 kt. waves 1 to 2 ft.
.tue night...se winds 5 to 10 kt. waves 1 ft.
.wed...s winds 5 to 10 kt. waves 1 ft.
.thu...s winds 5 to 10 kt. waves 1 ft or less.
winds and waves higher and visibilities lower in and near tstms.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/13/2026 7:57 AM America/New_York.
Valid through 9/13/2026 4:00 PM America/New_York.
fzus51 klwx 131157
cwflwx
expires:202609132000;;379213
coastal waters forecast
national weather service baltimore md/washington dc
757 am edt sun sep 13 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-132000-
chesapeake bay from drum point to smith point-
757 am edt sun sep 13 2026
.today...w winds 5 to 10 kt...becoming s late. waves 1 to 2 ft.
scattered showers this morning, then isolated showers and tstms this
afternoon.
.tonight...s winds 5 kt...becoming w after midnight. waves 1 ft.
.mon...n winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
.mon night...ne winds 10 to 15 kt with gusts to 25 kt. waves 3 ft.
.tue...ne winds 10 to 15 kt...becoming e around 5 kt in the
afternoon. waves 1 to 2 ft.
.tue night...se winds 5 to 10 kt. waves 1 ft.
.wed...se winds 5 to 10 kt. waves 1 ft or less.
.thu...s winds 5 to 10 kt. waves 1 ft or less...building to 1 to
2 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/13/2026 7:57 AM America/New_York.
Valid through 9/13/2026 4:00 PM America/New_York.
fzus51 klwx 131157
cwflwx
expires:202609132000;;379201
coastal waters forecast
national weather service baltimore md/washington dc
757 am edt sun sep 13 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.
anz535-132000-
tidal potomac from key bridge to indian head-
757 am edt sun sep 13 2026
.today...w winds 5 kt. waves less than 1 ft. scattered showers this
morning.
.tonight...w winds 5 to 10 kt. waves 1 ft.
.mon...n winds 5 to 10 kt with gusts to 20 kt. waves 1 ft.
.mon night...n winds 5 to 10 kt. waves 1 ft.
.tue...e winds 5 kt. waves less than 1 ft.
.tue night...s winds around 5 kt. waves 1 ft.
.wed...s winds around 5 kt. waves 1 ft.
.thu...s winds around 5 kt. waves 1 ft.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/13/2026 7:57 AM America/New_York.
Valid through 9/13/2026 4:00 PM America/New_York.
fzus51 klwx 131157
cwflwx
expires:202609132000;;379202
coastal waters forecast
national weather service baltimore md/washington dc
757 am edt sun sep 13 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-132000-
tidal potomac from indian head to cobb island-
757 am edt sun sep 13 2026
.today...w winds 5 kt. waves less than 1 ft. scattered showers this
morning.
.tonight...w winds around 5 kt...becoming nw late. waves 1 ft.
.mon...n winds 10 kt. waves 1 ft.
.mon night...n winds 5 to 10 kt. waves 1 ft.
.tue...e winds around 5 kt. waves 1 ft.
.tue night...se winds around 5 kt. waves 1 ft.
.wed...s winds around 5 kt. waves 1 ft.
.thu...s winds around 5 kt. waves 1 ft.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/13/2026 7:57 AM America/New_York.
Valid through 9/13/2026 4:00 PM America/New_York.
fzus51 klwx 131157
cwflwx
expires:202609132000;;379203
coastal waters forecast
national weather service baltimore md/washington dc
757 am edt sun sep 13 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.
anz537-132000-
tidal potomac from cobb island to smith point-
757 am edt sun sep 13 2026
.today...sw winds 10 kt...diminishing to 5 kt this afternoon. waves
1 ft or less. scattered showers this morning, then isolated showers
and tstms this afternoon.
.tonight...sw winds around 5 kt...becoming nw late. waves 1 ft or
less.
.mon...n winds 10 to 15 kt with gusts to 25 kt. waves 2 ft.
.mon night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.tue...e winds 5 to 10 kt. waves 1 to 2 ft.
.tue night...se winds around 5 kt. waves 1 ft.
.wed...se winds around 5 kt. waves 1 ft or less.
.thu...s winds 5 to 10 kt. waves 1 ft or less.
winds and waves higher and visibilities lower in and near tstms.
$$
|