(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/18/2026 7:57 PM America/New_York.
Valid through 9/19/2026 4:00 AM America/New_York.
fzus51 klwx 182357
cwflwx
expires:202609190800;;681555
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt fri sep 18 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.
anz531-190800-
chesapeake bay from pooles island to sandy point-
757 pm edt fri sep 18 2026
...small craft advisory in effect through saturday morning...
.tonight...n winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
.sat...ne winds 10 to 15 kt with gusts to 20 kt... becoming e 5 to
10 kt late. waves 1 to 2 ft.
.sat night...se winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft.
.sun...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a chance
of showers.
.sun night...sw winds 10 to 15 kt...becoming nw after midnight.
gusts up to 20 kt. waves 1 to 2 ft. showers likely.
.mon...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of showers.
.mon night...ne winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft. a chance of showers.
.tue...ne winds 20 to 25 kt. waves 3 ft. a chance of showers.
.wed...ne winds 20 to 25 kt. waves 3 ft. a chance of showers.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/18/2026 7:57 PM America/New_York.
Valid through 9/19/2026 4:00 AM America/New_York.
fzus51 klwx 182357
cwflwx
expires:202609190800;;681558
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt fri sep 18 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-190800-
chesapeake bay from sandy point to north beach-
757 pm edt fri sep 18 2026
...small craft advisory in effect through saturday morning...
.tonight...ne winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft.
.sat...ne winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
.sat night...se winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.sun...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.sun night...s winds 10 kt...becoming nw after midnight. gusts up to
20 kt. waves 1 to 2 ft. showers likely.
.mon...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of showers.
.mon night...ne winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft. a chance of showers.
.tue...ne winds 20 to 25 kt. waves 3 ft. a chance of showers.
.wed...ne winds 20 to 25 kt. waves 4 ft. a chance of showers.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/18/2026 7:57 PM America/New_York.
Valid through 9/19/2026 4:00 AM America/New_York.
fzus51 klwx 182357
cwflwx
expires:202609190800;;681560
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt fri sep 18 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.
anz533-190800-
chesapeake bay from north beach to drum point-
757 pm edt fri sep 18 2026
...small craft advisory in effect through saturday morning...
.tonight...ne winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft.
.sat...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.sat night...se winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.sun...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.sun night...s winds 10 to 15 kt...becoming w after midnight. gusts
up to 20 kt. waves 1 to 2 ft. showers likely.
.mon...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a chance
of showers.
.mon night...ne winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft. a chance of showers.
.tue...ne winds 25 to 30 kt. waves 4 ft. a chance of showers.
.wed...ne winds 25 to 30 kt. waves 4 ft. a chance of showers.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/18/2026 7:57 PM America/New_York.
Valid through 9/19/2026 4:00 AM America/New_York.
fzus51 klwx 182357
cwflwx
expires:202609190800;;681563
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt fri sep 18 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-190800-
chesapeake bay from drum point to smith point-
757 pm edt fri sep 18 2026
...small craft advisory in effect from 5 am edt saturday through
saturday afternoon...
...small craft advisory in effect from saturday afternoon through
late saturday night...
.tonight...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.sat...ne winds 10 to 15 kt. gusts up to 20 kt. waves 2 ft.
.sat night...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.sun...s winds 10 to 15 kt with gusts to 20 kt. waves 2 to 3 ft.
.sun night...s winds 10 to 15 kt...becoming w after midnight. gusts
up to 20 kt. waves 2 to 3 ft. a chance of showers.
.mon...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a chance
of showers and tstms.
.mon night...ne winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. a
chance of showers.
.tue...ne winds 20 to 25 kt. waves 4 ft. a chance of showers.
.wed...ne winds 25 to 30 kt. waves 5 ft. a chance of showers.
winds and waves higher and visibilities lower in and near tstms.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/18/2026 7:57 PM America/New_York.
Valid through 9/19/2026 4:00 AM America/New_York.
fzus51 klwx 182357
cwflwx
expires:202609190800;;681551
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt fri sep 18 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.
anz535-190800-
tidal potomac from key bridge to indian head-
757 pm edt fri sep 18 2026
.tonight...ne winds 10 kt. waves 1 ft.
.sat...ne winds 5 to 10 kt. waves 1 ft.
.sat night...se winds 5 to 10 kt. waves 1 ft.
.sun...s winds 5 to 10 kt. waves 1 ft. a chance of showers.
.sun night...sw winds 5 to 10 kt...becoming nw after midnight. waves
1 ft. showers likely with a chance of tstms.
.mon...ne winds 10 kt. waves 1 ft. a chance of showers.
.mon night...ne winds 5 to 10 kt. waves 1 ft. a chance of showers.
.tue...ne winds 10 to 15 kt. waves 1 ft. a chance of showers in the
morning, then showers likely through the night. a chance of showers
after midnight.
.wed...ne winds 10 to 15 kt. waves 1 ft. a chance of showers.
winds and waves higher and visibilities lower in and near tstms.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/18/2026 7:57 PM America/New_York.
Valid through 9/19/2026 4:00 AM America/New_York.
fzus51 klwx 182357
cwflwx
expires:202609190800;;681552
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt fri sep 18 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-190800-
tidal potomac from indian head to cobb island-
757 pm edt fri sep 18 2026
.tonight...ne winds 10 kt. waves 1 ft.
.sat...ne winds 5 to 10 kt. waves 1 ft.
.sat night...se winds 5 to 10 kt. waves 1 ft.
.sun...s winds 5 to 10 kt. waves 1 ft.
.sun night...w winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms.
.mon...n winds 5 to 10 kt. waves 1 ft. a chance of showers.
.mon night...ne winds 10 to 15 kt. waves 1 ft. a chance of showers.
.tue...ne winds 15 to 20 kt. waves 1 to 2 ft. a chance of showers in
the morning, then showers likely through the night. a chance of
showers after midnight.
.wed...ne winds 10 to 15 kt. waves 2 ft. a chance of showers.
winds and waves higher and visibilities lower in and near tstms.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/18/2026 7:57 PM America/New_York.
Valid through 9/19/2026 4:00 AM America/New_York.
fzus51 klwx 182357
cwflwx
expires:202609190800;;681553
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt fri sep 18 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.
anz537-190800-
tidal potomac from cobb island to smith point-
757 pm edt fri sep 18 2026
...small craft advisory in effect from 5 am edt saturday through
saturday afternoon...
...small craft advisory in effect from saturday afternoon through
late saturday night...
.tonight...ne winds 10 kt. waves 1 to 2 ft.
.sat...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.sat night...e winds 10 to 15 kt...becoming se late. gusts up to
20 kt. waves 2 ft.
.sun...s winds 10 kt with gusts to 20 kt. waves 2 ft.
.sun night...s winds 10 to 15 kt...becoming w 5 to 10 kt after
midnight. gusts up to 20 kt. waves 1 to 2 ft. a chance of showers.
.mon...n winds 5 to 10 kt with gusts to 20 kt. waves 1 to 2 ft. a
chance of showers.
.mon night...ne winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. a
chance of showers.
.tue...ne winds 20 to 25 kt. waves 4 ft. a chance of showers in the
morning. showers likely through the night, then a chance of showers
after midnight.
.wed...ne winds 20 to 25 kt. waves 5 ft. a chance of showers.
$$
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