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(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/12/2026 7:58 AM America/New_York.
Valid through 4/12/2026 4:00 PM America/New_York.
fzus51 klwx 121158
cwflwx
expires:202604122000;;241931
coastal waters forecast
national weather service baltimore md/washington dc
758 am edt sun apr 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-
758 am edt sun apr 12 2026
...small craft advisory in effect from noon edt today through monday
afternoon...
.today...e winds 10 kt...becoming s with gusts to 25 kt this
afternoon. waves 1 to 2 ft.
.tonight...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.mon...sw winds 10 to 15 kt with gusts to 25 kt. waves 2 to 3 ft.
.mon night...sw winds 5 to 10 kt. waves 1 to 2 ft.
.tue...sw winds 5 to 10 kt. waves 1 to 2 ft.
.tue night...sw winds 5 to 10 kt. waves 1 to 2 ft.
.wed...sw winds 5 to 10 kt. waves 1 ft.
.thu...sw winds 5 to 10 kt. waves 1 ft.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/12/2026 7:58 AM America/New_York.
Valid through 4/12/2026 4:00 PM America/New_York.
fzus51 klwx 121158
cwflwx
expires:202604122000;;241934
coastal waters forecast
national weather service baltimore md/washington dc
758 am edt sun apr 12 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-122000-
chesapeake bay from sandy point to north beach-
758 am edt sun apr 12 2026
...small craft advisory in effect from noon edt today through monday
afternoon...
.today...e winds 5 to 10 kt...becoming s 10 to 15 kt with gusts to
25 kt this afternoon. waves 1 ft...building to 3 ft late.
.tonight...s winds 10 to 15 kt with gusts to 25 kt. waves 3 ft.
.mon...sw winds 10 to 15 kt with gusts to 25 kt. waves 3 ft.
.mon night...sw winds 5 to 10 kt. waves 1 to 2 ft.
.tue...sw winds 5 to 10 kt. waves 1 to 2 ft.
.tue night...sw winds 5 to 10 kt. waves 1 to 2 ft.
.wed...sw winds 5 to 10 kt. waves 1 ft.
.thu...sw winds 10 to 15 kt. waves 1 to 2 ft.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/12/2026 7:58 AM America/New_York.
Valid through 4/12/2026 4:00 PM America/New_York.
fzus51 klwx 121158
cwflwx
expires:202604122000;;241936
coastal waters forecast
national weather service baltimore md/washington dc
758 am edt sun apr 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-
758 am edt sun apr 12 2026
...small craft advisory in effect from noon edt today through monday
afternoon...
.today...e winds 5 to 10 kt...becoming s 10 to 15 kt with gusts to
20 kt this afternoon. waves 1 ft...building to 3 ft late.
.tonight...s winds 15 kt with gusts to 20 kt. waves 3 ft.
.mon...sw winds 10 to 15 kt with gusts to 20 kt. waves 2 to 3 ft.
.mon night...sw winds 10 to 15 kt. gusts up to 20 kt in the evening.
waves 1 to 2 ft.
.tue...sw winds 5 to 10 kt. waves 1 to 2 ft.
.tue night...sw winds 5 to 10 kt. waves 1 to 2 ft.
.wed...sw winds 5 to 10 kt. waves 1 ft.
.thu...sw winds 10 to 15 kt. waves 1 ft.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/12/2026 7:58 AM America/New_York.
Valid through 4/12/2026 4:00 PM America/New_York.
fzus51 klwx 121158
cwflwx
expires:202604122000;;241939
coastal waters forecast
national weather service baltimore md/washington dc
758 am edt sun apr 12 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-122000-
chesapeake bay from drum point to smith point-
758 am edt sun apr 12 2026
...small craft advisory in effect from noon edt today through monday
afternoon...
.today...se winds 5 to 10 kt with gusts to 20 kt... increasing to
15 kt with gusts to 20 kt late. waves 1 to 2 ft...building to 3 ft
late.
.tonight...s winds 10 to 15 kt with gusts to 20 kt. waves 4 ft.
.mon...sw winds 10 to 15 kt with gusts to 20 kt. waves 3 ft.
.mon night...sw winds 10 to 15 kt with gusts to 20 kt. waves 2 to
3 ft.
.tue...sw winds 5 to 10 kt. waves 1 to 2 ft.
.tue night...sw winds 5 to 10 kt. waves 2 ft.
.wed...sw winds 10 to 15 kt. waves 1 to 2 ft.
.thu...sw winds 10 to 15 kt. waves 2 ft.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/12/2026 7:58 AM America/New_York.
Valid through 4/12/2026 4:00 PM America/New_York.
fzus51 klwx 121158
cwflwx
expires:202604122000;;241927
coastal waters forecast
national weather service baltimore md/washington dc
758 am edt sun apr 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-
758 am edt sun apr 12 2026
...small craft advisory in effect from noon today to 7 pm edt this
evening...
...small craft advisory in effect from monday morning through monday
afternoon...
.today...e winds 5 kt...becoming s with gusts to 20 kt this
afternoon. waves 1 ft.
.tonight...s winds 5 to 10 kt with gusts to 20 kt. waves 1 ft.
.mon...sw winds 10 to 15 kt with gusts to 25 kt. waves 1 ft.
.mon night...sw winds 5 to 10 kt. waves 1 ft.
.tue...sw winds 5 to 10 kt. waves 1 ft.
.tue night...sw winds 5 to 10 kt. waves 1 ft.
.wed...sw winds around 5 kt. waves 1 ft.
.thu...sw winds 5 to 10 kt. waves 1 ft.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/12/2026 7:58 AM America/New_York.
Valid through 4/12/2026 4:00 PM America/New_York.
fzus51 klwx 121158
cwflwx
expires:202604122000;;241928
coastal waters forecast
national weather service baltimore md/washington dc
758 am edt sun apr 12 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-122000-
tidal potomac from indian head to cobb island-
758 am edt sun apr 12 2026
...small craft advisory in effect from noon edt today through monday
afternoon...
.today...se winds 5 to 10 kt. gusts up to 20 kt this afternoon.
waves 1 to 2 ft.
.tonight...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
.mon...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
.mon night...sw winds 5 to 10 kt. waves 1 ft.
.tue...sw winds 5 to 10 kt. waves 1 ft.
.tue night...sw winds 5 to 10 kt. waves 1 ft.
.wed...sw winds 5 to 10 kt. waves 1 ft.
.thu...sw winds 5 to 10 kt. waves 1 ft.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/12/2026 7:58 AM America/New_York.
Valid through 4/12/2026 4:00 PM America/New_York.
fzus51 klwx 121158
cwflwx
expires:202604122000;;241929
coastal waters forecast
national weather service baltimore md/washington dc
758 am edt sun apr 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-
758 am edt sun apr 12 2026
...small craft advisory in effect from noon edt today through monday
afternoon...
.today...se winds 5 to 10 kt with gusts to 20 kt... increasing to
15 kt with gusts to 20 kt late. waves 1 to 2 ft...building to 3 ft
late.
.tonight...s winds 10 to 15 kt. gusts up to 20 kt. waves 2 to 3 ft.
.mon...sw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.mon night...sw winds 10 to 15 kt. waves 1 to 2 ft.
.tue...sw winds 5 to 10 kt. waves 1 to 2 ft.
.tue night...sw winds 5 to 10 kt. waves 1 to 2 ft.
.wed...sw winds 5 to 10 kt. waves 1 ft.
.thu...sw winds 10 to 15 kt. waves 1 ft.
$$
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