(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 5/18/2026 11:00 PM America/New_York.
Valid through 5/19/2026 4:00 AM America/New_York.
fzus51 klwx 190300
cwflwx
expires:202605190800;;800708
coastal waters forecast
national weather service baltimore md/washington dc
1059 pm edt mon may 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-
1059 pm edt mon may 18 2026
...small craft advisory in effect until 2 am edt tuesday...
.rest of tonight...s winds 10 kt with gusts to 20 kt. waves 1 to
2 ft.
.tue...s winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
waves 1 to 2 ft.
.tue night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.wed...sw winds 5 to 10 kt. waves 1 ft. showers with a chance of
tstms.
.wed night...n winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft. showers.
.thu...ne winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
showers likely.
.thu night...e winds around 5 kt. waves 1 ft or less. a chance of
showers.
.fri...e winds 5 to 10 kt. waves 1 ft. showers.
.sat...e winds 5 to 10 kt. waves 1 ft. showers.
winds and waves higher and visibilities lower in and near tstms.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 5/18/2026 11:00 PM America/New_York.
Valid through 5/19/2026 4:00 AM America/New_York.
fzus51 klwx 190300
cwflwx
expires:202605190800;;800711
coastal waters forecast
national weather service baltimore md/washington dc
1059 pm edt mon may 18 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-190800-
chesapeake bay from sandy point to north beach-
1059 pm edt mon may 18 2026
...small craft advisory in effect until 2 am edt tuesday...
.rest of tonight...s winds 10 to 15 kt with gusts to 20 kt. waves
1 to 2 ft.
.tue...s winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
waves 1 to 2 ft.
.tue night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.wed...sw winds 5 to 10 kt. waves 1 ft. showers likely with a chance
of tstms.
.wed night...n winds 10 to 15 kt. gusts up to 20 kt after midnight.
waves 1 to 2 ft. showers.
.thu...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. showers
likely.
.thu night...e winds 5 to 10 kt. waves 1 ft. a chance of showers.
.fri...e winds 5 to 10 kt. waves 1 ft. showers.
.sat...e winds 5 to 10 kt. waves 1 ft. showers.
winds and waves higher and visibilities lower in and near tstms.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 5/18/2026 11:00 PM America/New_York.
Valid through 5/19/2026 4:00 AM America/New_York.
fzus51 klwx 190300
cwflwx
expires:202605190800;;800713
coastal waters forecast
national weather service baltimore md/washington dc
1059 pm edt mon may 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-
1059 pm edt mon may 18 2026
...small craft advisory in effect until 2 am edt tuesday...
.rest of tonight...s winds 10 to 15 kt with gusts to 20 kt. waves
1 to 2 ft.
.tue...s winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
waves 1 to 2 ft.
.tue night...s winds 10 to 15 kt...becoming sw late. gusts up to
20 kt. waves 2 ft.
.wed...s winds 5 to 10 kt. waves 1 to 2 ft. a chance of showers and
tstms.
.wed night...n winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft. showers likely.
.thu...n winds 15 to 20 kt. waves 2 to 3 ft. showers likely.
.thu night...e winds 5 to 10 kt. waves 1 ft. a chance of showers.
.fri...e winds 5 to 10 kt. waves 1 to 2 ft. showers.
.sat...e winds 5 to 10 kt. waves 1 ft. showers.
winds and waves higher and visibilities lower in and near tstms.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 5/18/2026 11:00 PM America/New_York.
Valid through 5/19/2026 4:00 AM America/New_York.
fzus51 klwx 190300
cwflwx
expires:202605190800;;800716
coastal waters forecast
national weather service baltimore md/washington dc
1059 pm edt mon may 18 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-190800-
chesapeake bay from drum point to smith point-
1059 pm edt mon may 18 2026
...small craft advisory in effect until 2 am edt tuesday...
.rest of tonight...s winds 15 kt with gusts to 20 kt. waves 2 to
3 ft.
.tue...s winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
waves 2 to 3 ft.
.tue night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 to
3 ft.
.wed...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a chance
of showers.
.wed night...se winds 10 to 15 kt...becoming n after midnight. gusts
up to 20 kt. waves 2 ft. showers likely with a chance of tstms.
.thu...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. showers
likely.
.thu night...e winds 5 to 10 kt. waves 1 ft. a chance of showers.
.fri...e winds 10 to 15 kt. waves 2 ft. showers likely.
.sat...e winds 5 to 10 kt. waves 1 ft. showers likely.
winds and waves higher and visibilities lower in and near tstms.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 5/18/2026 11:00 PM America/New_York.
Valid through 5/19/2026 4:00 AM America/New_York.
fzus51 klwx 190300
cwflwx
expires:202605190800;;800704
coastal waters forecast
national weather service baltimore md/washington dc
1059 pm edt mon may 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-
1059 pm edt mon may 18 2026
.rest of tonight...s winds 5 kt. waves less than 1 ft.
.tue...sw winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
waves 1 ft.
.tue night...sw winds 5 to 10 kt with gusts to 20 kt. waves 1 ft.
.wed...sw winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
waves 1 ft. showers likely with a chance of tstms.
.wed night...n winds 5 to 10 kt. waves 1 ft. showers.
.thu...ne winds 5 to 10 kt. waves 1 ft. showers likely.
.thu night...e winds around 5 kt. waves 1 ft. a chance of showers.
.fri...e winds 5 to 10 kt. waves 1 ft. showers.
.sat...e winds 5 to 10 kt. waves 1 ft. showers likely.
winds and waves higher and visibilities lower in and near tstms.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 5/18/2026 11:00 PM America/New_York.
Valid through 5/19/2026 4:00 AM America/New_York.
fzus51 klwx 190300
cwflwx
expires:202605190800;;800705
coastal waters forecast
national weather service baltimore md/washington dc
1059 pm edt mon may 18 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-190800-
tidal potomac from indian head to cobb island-
1059 pm edt mon may 18 2026
.rest of tonight...s winds 10 kt. waves 1 ft.
.tue...sw winds 5 to 10 kt. waves 1 ft.
.tue night...sw winds 10 kt with gusts to 20 kt. waves 1 ft.
.wed...sw winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms.
.wed night...n winds 5 to 10 kt. waves 1 ft. showers.
.thu...ne winds 5 to 10 kt. waves 1 ft. showers likely.
.thu night...ne winds around 5 kt. waves 1 ft. a chance of showers.
.fri...e winds 5 to 10 kt. waves 1 ft. showers likely.
.sat...e winds 5 to 10 kt. waves 1 ft. showers likely.
winds and waves higher and visibilities lower in and near tstms.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 5/18/2026 11:00 PM America/New_York.
Valid through 5/19/2026 4:00 AM America/New_York.
fzus51 klwx 190300
cwflwx
expires:202605190800;;800706
coastal waters forecast
national weather service baltimore md/washington dc
1059 pm edt mon may 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-
1059 pm edt mon may 18 2026
...small craft advisory in effect until 2 am edt tuesday...
.rest of tonight...s winds 10 kt. waves 1 to 2 ft.
.tue...s winds 5 to 10 kt. waves 1 to 2 ft.
.tue night...s winds 10 to 15 kt. waves 2 ft.
.wed...sw winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms.
.wed night...nw winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms.
.thu...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. showers
likely.
.thu night...e winds 5 to 10 kt. waves 1 ft. showers likely.
.fri...e winds 10 to 15 kt. waves 2 ft. showers likely.
.sat...e winds 5 to 10 kt. waves 1 ft. showers likely .
winds and waves higher and visibilities lower in and near tstms.
$$
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