(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/13/2026 4:58 AM America/New_York.
Valid through 7/13/2026 7:00 PM America/New_York.
fzus51 klwx 130858
cwflwx
expires:202607132300;;890945
coastal waters forecast
national weather service baltimore md/washington dc
458 am edt mon jul 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.
anz531-132300-
chesapeake bay from pooles island to sandy point-
458 am edt mon jul 13 2026
.rest of the overnight...se winds 5 kt. waves less than 1 ft.
.today...se winds 5 kt. waves less than 1 ft.
.tonight...s winds 5 to 10 kt...becoming sw late. waves 1 ft.
.tue...sw winds 5 to 10 kt. waves 1 ft.
.tue night...sw winds 10 to 15 kt. waves 2 ft.
.wed...sw winds 5 to 10 kt. waves 1 ft.
.wed night...w winds 5 to 10 kt. waves 1 ft.
.thu...nw winds 5 to 10 kt. waves 1 ft.
.fri...nw winds 5 to 10 kt...becoming sw. waves 1 ft.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/13/2026 4:58 AM America/New_York.
Valid through 7/13/2026 7:00 PM America/New_York.
fzus51 klwx 130858
cwflwx
expires:202607132300;;890948
coastal waters forecast
national weather service baltimore md/washington dc
458 am edt mon jul 13 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-132300-
chesapeake bay from sandy point to north beach-
458 am edt mon jul 13 2026
.rest of the overnight...se winds 10 kt. waves 1 ft.
.today...se winds 5 to 10 kt. waves 1 ft.
.tonight...s winds 5 to 10 kt. waves 1 ft.
.tue...sw winds 5 to 10 kt. waves 1 ft or less.
.tue night...sw winds 10 kt. waves 2 ft.
.wed...sw winds 5 to 10 kt. waves 1 ft.
.wed night...w winds 5 to 10 kt. waves 1 ft.
.thu...nw winds 5 to 10 kt. waves 1 ft.
.fri...ne winds 5 kt...becoming s. waves 1 ft.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/13/2026 4:58 AM America/New_York.
Valid through 7/13/2026 7:00 PM America/New_York.
fzus51 klwx 130858
cwflwx
expires:202607132300;;890950
coastal waters forecast
national weather service baltimore md/washington dc
458 am edt mon jul 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.
anz533-132300-
chesapeake bay from north beach to drum point-
458 am edt mon jul 13 2026
.rest of the overnight...e winds 10 kt. waves 1 ft.
.today...se winds 5 to 10 kt. waves 1 ft.
.tonight...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 10 kt. waves 1 to 2 ft.
.wed...sw winds 5 to 10 kt. waves 1 ft.
.wed night...w winds 5 to 10 kt. waves 1 ft.
.thu...nw winds 5 to 10 kt. waves 1 ft.
.fri...ne winds 5 to 10 kt...becoming s. waves 1 ft.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/13/2026 4:58 AM America/New_York.
Valid through 7/13/2026 7:00 PM America/New_York.
fzus51 klwx 130858
cwflwx
expires:202607132300;;890953
coastal waters forecast
national weather service baltimore md/washington dc
458 am edt mon jul 13 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-132300-
chesapeake bay from drum point to smith point-
458 am edt mon jul 13 2026
...small craft advisory in effect until 6 am edt early this
morning...
.rest of the overnight...e winds 15 kt with gusts to 20 kt. waves
2 ft.
.today...e winds 10 to 15 kt. waves 2 ft.
.tonight...se winds 5 to 10 kt. waves 1 ft.
.tue...e winds around 5 kt...becoming s in the afternoon. waves 1 ft
or less.
.tue night...sw winds 10 to 15 kt. waves 2 ft.
.wed...sw winds 5 to 10 kt. waves 1 to 2 ft.
.wed night...sw winds 10 to 15 kt...becoming w 5 to 10 kt after
midnight. waves 2 ft.
.thu...nw winds 5 to 10 kt...becoming sw in the afternoon and
evening, then becoming nw after midnight. waves 1 ft.
.fri...n winds 5 to 10 kt...becoming s. waves 1 ft.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/13/2026 4:58 AM America/New_York.
Valid through 7/13/2026 7:00 PM America/New_York.
fzus51 klwx 130858
cwflwx
expires:202607132300;;890941
coastal waters forecast
national weather service baltimore md/washington dc
458 am edt mon jul 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.
anz535-132300-
tidal potomac from key bridge to indian head-
458 am edt mon jul 13 2026
.rest of the overnight...ne winds 5 kt. waves less than 1 ft.
.today...e winds around 5 kt. waves 1 ft.
.tonight...s winds around 5 kt. waves 1 ft or less.
.tue...sw 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.
.wed night...w winds 5 to 10 kt. waves 1 ft.
.thu...nw winds 5 to 10 kt. waves 1 ft.
.fri...w winds around 5 kt. waves 1 ft.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/13/2026 4:58 AM America/New_York.
Valid through 7/13/2026 7:00 PM America/New_York.
fzus51 klwx 130858
cwflwx
expires:202607132300;;890942
coastal waters forecast
national weather service baltimore md/washington dc
458 am edt mon jul 13 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-132300-
tidal potomac from indian head to cobb island-
458 am edt mon jul 13 2026
.rest of the overnight...e winds 5 kt. waves less than 1 ft.
.today...e winds 5 to 10 kt. waves 1 ft.
.tonight...se winds 5 to 10 kt until early morning... becoming
light. waves 1 ft.
.tue...sw winds around 5 kt. waves 1 ft or less.
.tue night...sw winds 5 to 10 kt. waves 1 ft.
.wed...w winds 5 kt. waves less than 1 ft.
.wed night...w winds 5 kt. waves less than 1 ft.
.thu...nw winds around 5 kt. waves 1 ft.
.fri...w winds around 5 kt. waves 1 ft.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/13/2026 4:58 AM America/New_York.
Valid through 7/13/2026 7:00 PM America/New_York.
fzus51 klwx 130858
cwflwx
expires:202607132300;;890943
coastal waters forecast
national weather service baltimore md/washington dc
458 am edt mon jul 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.
anz537-132300-
tidal potomac from cobb island to smith point-
458 am edt mon jul 13 2026
...small craft advisory in effect until 6 am edt early this
morning...
.rest of the overnight...e winds 15 kt with gusts to 20 kt. waves
2 ft.
.today...e winds 5 to 10 kt. waves 1 to 2 ft.
.tonight...se winds 5 to 10 kt. waves 1 ft.
.tue...ne winds around 5 kt...becoming se in the afternoon. 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 ft.
.wed night...sw winds 5 to 10 kt. waves 1 ft.
.thu...nw winds around 5 kt. waves 1 ft or less.
.fri...n winds 5 kt...becoming s. waves 1 ft.
$$
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