(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/18/2026 7:58 PM America/New_York.
Valid through 7/19/2026 4:00 AM America/New_York.
fzus51 klwx 182358
cwflwx
expires:202607190800;;203903
coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt sat jul 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-
758 pm edt sat jul 18 2026
...small craft advisory in effect until 11 pm edt this evening...
.tonight...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft. a chance of showers and tstms this evening.
.sun...nw winds 5 to 10 kt. waves 1 ft.
.sun night...ne winds 5 to 10 kt. waves 1 ft.
.mon...e winds 5 to 10 kt. waves 1 ft.
.mon night...se winds 5 to 10 kt. waves 1 ft. a chance of showers.
.tue...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
showers with tstms likely.
.tue night...sw winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft. showers with a chance of tstms.
.wed...w winds 10 to 15 kt...becoming nw. waves 1 to 2 ft. showers
likely in the morning, then a chance of showers and tstms through
the night.
.thu...n winds 5 to 10 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/18/2026 7:58 PM America/New_York.
Valid through 7/19/2026 4:00 AM America/New_York.
fzus51 klwx 182358
cwflwx
expires:202607190800;;203906
coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt sat jul 18 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-190800-
chesapeake bay from sandy point to north beach-
758 pm edt sat jul 18 2026
...small craft advisory in effect until 11 pm edt this evening...
.tonight...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft. a chance of showers and tstms this evening.
.sun...n winds 10 kt. waves 1 ft.
.sun night...ne winds 5 to 10 kt. waves 1 ft.
.mon...e winds 5 to 10 kt. waves 1 ft.
.mon night...se winds 5 to 10 kt. waves 2 ft. a chance of showers.
.tue...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. showers
with tstms likely.
.tue night...sw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
showers with a chance of tstms.
.wed...sw winds 15 to 20 kt...becoming nw 10 to 15 kt. waves 2 to
3 ft. showers likely. a chance of tstms through the night, then a
chance of showers after midnight.
.thu...n winds 10 to 15 kt...becoming ne 5 kt after midnight. waves
1 to 2 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/18/2026 7:58 PM America/New_York.
Valid through 7/19/2026 4:00 AM America/New_York.
fzus51 klwx 182358
cwflwx
expires:202607190800;;203908
coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt sat jul 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-
758 pm edt sat jul 18 2026
...small craft advisory in effect until 11 pm edt this evening...
.tonight...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft. a chance of showers and tstms this evening.
.sun...n winds 10 kt. waves 1 ft.
.sun night...ne winds 5 to 10 kt. waves 1 ft.
.mon...e winds 5 to 10 kt. waves 1 ft.
.mon night...se winds 10 to 15 kt. waves 2 ft. a chance of showers
and tstms.
.tue...s winds 10 to 15 kt. gusts up to 25 kt in the afternoon.
waves 2 ft. showers.
.tue night...sw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
showers with a chance of tstms.
.wed...sw winds 15 to 20 kt...becoming nw 10 to 15 kt. waves 2 to
3 ft. showers likely. a chance of tstms through the night, then a
chance of showers after midnight.
.thu...n winds 10 to 15 kt...becoming ne 5 kt after midnight. waves
1 to 2 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/18/2026 7:58 PM America/New_York.
Valid through 7/19/2026 4:00 AM America/New_York.
fzus51 klwx 182358
cwflwx
expires:202607190800;;203911
coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt sat jul 18 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-190800-
chesapeake bay from drum point to smith point-
758 pm edt sat jul 18 2026
...small craft advisory in effect until 6 am edt sunday...
.tonight...sw winds 15 kt with gusts to 20 kt. waves 2 to 3 ft. a
chance of showers and tstms this evening, then a chance of showers
with a slight chance of tstms after midnight.
.sun...nw winds 5 to 10 kt. waves 1 to 2 ft.
.sun night...ne winds 5 to 10 kt. waves 1 ft.
.mon...e winds 5 to 10 kt. waves 1 ft.
.mon night...se winds 10 to 15 kt. waves 2 ft. showers likely with a
chance of tstms.
.tue...s winds 10 to 15 kt. gusts up to 25 kt in the afternoon.
waves 2 to 3 ft. showers with a chance of tstms.
.tue night...sw winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
showers with a chance of tstms.
.wed...sw winds 20 to 25 kt...becoming w 10 to 15 kt in the evening,
then becoming nw after midnight. waves 3 ft...subsiding to 2 ft.
showers. a chance of tstms through the night, then a chance of
showers after midnight.
.thu...n winds 10 to 15 kt. waves 1 to 2 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/18/2026 7:58 PM America/New_York.
Valid through 7/19/2026 4:00 AM America/New_York.
fzus51 klwx 182358
cwflwx
expires:202607190800;;203899
coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt sat jul 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-
758 pm edt sat jul 18 2026
...small craft advisory in effect until 11 pm edt this evening...
.tonight...sw winds 5 to 10 kt. gusts up to 20 kt early this
evening. waves 1 ft. numerous showers and tstms this evening.
.sun...nw winds 5 to 10 kt. waves 1 ft.
.sun night...ne winds around 5 kt. waves 1 ft.
.mon...e winds around 5 kt. waves 1 ft.
.mon night...se winds around 5 kt. waves 1 ft. a chance of showers.
.tue...s winds 5 to 10 kt with gusts to 20 kt. waves 1 ft. showers
with tstms likely.
.tue night...sw winds 10 kt with gusts to 20 kt. waves 1 ft. showers
with a chance of tstms.
.wed...w winds 5 to 10 kt. waves 1 ft. showers likely in the
morning, then a chance of showers and tstms through the night.
.thu...n winds 5 to 10 kt. waves 1 ft or less.
winds and waves higher and visibilities lower in and near tstms.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/18/2026 7:58 PM America/New_York.
Valid through 7/19/2026 4:00 AM America/New_York.
fzus51 klwx 182358
cwflwx
expires:202607190800;;203900
coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt sat jul 18 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-190800-
tidal potomac from indian head to cobb island-
758 pm edt sat jul 18 2026
...small craft advisory in effect until 11 pm edt this evening...
.tonight...sw winds 10 kt. gusts up to 20 kt this evening. waves
1 ft. a chance of showers and tstms this evening.
.sun...nw winds 5 to 10 kt. waves 1 ft.
.sun night...ne winds around 5 kt. waves 1 ft.
.mon...e winds 5 to 10 kt. waves 1 ft.
.mon night...se winds 5 to 10 kt. waves 1 ft. a chance of showers.
.tue...s winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. showers
and tstms likely.
.tue night...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft.
showers with a chance of tstms.
.wed...w winds 10 to 15 kt...becoming nw 5 to 10 kt. waves 1 ft.
showers likely. a chance of tstms through the night, then a chance
of showers after midnight.
.thu...n winds 5 to 10 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/18/2026 7:58 PM America/New_York.
Valid through 7/19/2026 4:00 AM America/New_York.
fzus51 klwx 182358
cwflwx
expires:202607190800;;203901
coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt sat jul 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-
758 pm edt sat jul 18 2026
...small craft advisory in effect until 6 am edt sunday...
.tonight...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft. a chance of showers and tstms this evening, then a chance of
showers with a slight chance of tstms after midnight.
.sun...nw winds 5 to 10 kt. waves 1 ft.
.sun night...ne winds 5 to 10 kt. waves 1 ft.
.mon...e winds 5 to 10 kt. waves 1 ft.
.mon night...se winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms.
.tue...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
showers with tstms likely.
.tue night...sw winds 15 to 20 kt with gusts to 25 kt. waves 2 ft.
showers likely with a chance of tstms.
.wed...sw winds 15 to 20 kt...becoming nw 5 to 10 kt. waves 1 to
2 ft. showers likely through the day. a chance of tstms through the
night. a chance of showers through the night.
.thu...n winds 5 to 10 kt. waves 1 to 2 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
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