(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 6/21/2026 2:27 PM America/New_York.
Valid through 6/22/2026 4:00 AM America/New_York.
fzus51 klwx 211827
cwflwx
expires:202606220800;;137770
coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sun jun 21 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.
anz531-220800-
chesapeake bay from pooles island to sandy point-
227 pm edt sun jun 21 2026
...small craft advisory in effect from monday morning through monday
afternoon...
.this afternoon...w winds 5 to 10 kt. waves 1 ft.
.tonight...e winds 5 kt. waves less than 1 ft.
.mon...se winds 10 to 15 kt with gusts to 20 kt... becoming s 15 to
20 kt with gusts to 30 kt in the afternoon. waves 2 to 3 ft. showers
with a chance of tstms.
.mon night...s winds 10 to 15 kt with gusts to 25 kt... becoming w
5 to 10 kt after midnight. waves 3 ft...subsiding to 1 ft after
midnight. showers with a chance of tstms.
.tue...nw winds 5 to 10 kt. waves 1 ft.
.tue night...n winds 5 to 10 kt. waves 1 ft.
.wed...nw winds 5 to 10 kt...becoming s. waves 1 ft or less.
.thu...s winds 10 to 15 kt. waves 1 to 2 ft. a chance of showers and
tstms through the night.
winds and waves higher and visibilities lower in and near tstms.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 6/21/2026 2:27 PM America/New_York.
Valid through 6/22/2026 4:00 AM America/New_York.
fzus51 klwx 211827
cwflwx
expires:202606220800;;137773
coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sun jun 21 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-220800-
chesapeake bay from sandy point to north beach-
227 pm edt sun jun 21 2026
...small craft advisory in effect from monday morning through monday
afternoon...
.this afternoon...sw winds 5 kt. waves less than 1 ft.
.tonight...se winds 5 to 10 kt. waves 1 ft.
.mon...s winds 15 to 20 kt with gusts to 30 kt. waves 2 ft...
building to 4 ft in the afternoon. showers likely with a chance of
tstms.
.mon night...s winds 10 to 15 kt with gusts to 25 kt... becoming w
5 to 10 kt after midnight. waves 4 ft...subsiding to 1 ft after
midnight. showers with a chance of tstms.
.tue...nw winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms.
.tue night...n winds 5 to 10 kt. waves 1 ft.
.wed...n winds 5 to 10 kt...becoming se. waves 1 ft or less.
.thu...s winds 10 to 15 kt. waves 1 ft...building to 2 to 3 ft. a
chance of showers and tstms through the night.
winds and waves higher and visibilities lower in and near tstms.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 6/21/2026 2:27 PM America/New_York.
Valid through 6/22/2026 4:00 AM America/New_York.
fzus51 klwx 211827
cwflwx
expires:202606220800;;137775
coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sun jun 21 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.
anz533-220800-
chesapeake bay from north beach to drum point-
227 pm edt sun jun 21 2026
...small craft advisory in effect from monday morning through monday
afternoon...
.this afternoon...s winds 5 kt. waves less than 1 ft.
.tonight...se winds 5 kt. waves less than 1 ft.
.mon...s winds 15 to 20 kt with gusts to 30 kt. waves 2 ft...
building to 4 ft in the afternoon. a chance of showers and tstms.
.mon night...s winds 15 to 20 kt with gusts to 25 kt... becoming w
5 to 10 kt after midnight. waves 4 ft...subsiding to 1 ft after
midnight. showers likely with a chance of tstms.
.tue...nw winds 10 to 15 kt. waves 1 to 2 ft. a chance of showers
and tstms.
.tue night...n winds 10 to 15 kt. waves 1 to 2 ft.
.wed...n winds 5 to 10 kt...becoming se. waves 1 ft.
.thu...s winds 15 to 20 kt. waves 1 ft...building to 2 to 3 ft. a
chance of showers and tstms through the night.
winds and waves higher and visibilities lower in and near tstms.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 6/21/2026 2:27 PM America/New_York.
Valid through 6/22/2026 4:00 AM America/New_York.
fzus51 klwx 211827
cwflwx
expires:202606220800;;137778
coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sun jun 21 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-220800-
chesapeake bay from drum point to smith point-
227 pm edt sun jun 21 2026
...small craft advisory in effect from monday morning through monday
afternoon...
.this afternoon...se winds 5 to 10 kt. waves 1 ft.
.tonight...se winds 5 to 10 kt. waves 1 ft.
.mon...s winds 15 to 20 kt with gusts to 30 kt. waves 2 ft...
building to 4 ft in the afternoon.
.mon night...s winds 15 to 20 kt with gusts to 30 kt... becoming sw
10 to 15 kt after midnight. waves 4 ft... subsiding to 2 ft after
midnight. showers likely with a chance of tstms.
.tue...nw winds 5 to 10 kt. waves 1 to 2 ft. a chance of tstms.
.tue night...n winds 10 kt. waves 2 ft.
.wed...n winds 5 to 10 kt...becoming se. waves 1 to 2 ft.
.thu...s winds 5 kt...increasing to 15 to 20 kt. waves 1 ft...
building to 3 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 6/21/2026 2:27 PM America/New_York.
Valid through 6/22/2026 4:00 AM America/New_York.
fzus51 klwx 211827
cwflwx
expires:202606220800;;137766
coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sun jun 21 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.
anz535-220800-
tidal potomac from key bridge to indian head-
227 pm edt sun jun 21 2026
...small craft advisory in effect monday afternoon...
.this afternoon...w winds 10 kt. waves 1 ft.
.tonight...ne winds around 5 kt. waves 1 ft.
.mon...s winds 10 to 15 kt with gusts to 30 kt... becoming sw with
gusts to 30 kt late. waves 1 to 2 ft. showers likely with a chance
of tstms.
.mon night...sw winds 5 to 10 kt. gusts up to 20 kt in the evening.
waves 1 ft. showers with a chance of tstms.
.tue...nw winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms.
.tue night...nw winds 5 to 10 kt. waves 1 ft.
.wed...n winds around 5 kt. waves 1 ft or less.
.thu...s winds 5 to 10 kt. waves 1 ft. a chance of showers in the
afternoon. a chance of showers and tstms through the night.
winds and waves higher and visibilities lower in and near tstms.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 6/21/2026 2:27 PM America/New_York.
Valid through 6/22/2026 4:00 AM America/New_York.
fzus51 klwx 211827
cwflwx
expires:202606220800;;137767
coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sun jun 21 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-220800-
tidal potomac from indian head to cobb island-
227 pm edt sun jun 21 2026
...small craft advisory in effect monday afternoon...
.this afternoon...nw winds 5 kt. waves less than 1 ft.
.tonight...e winds around 5 kt. waves 1 ft.
.mon...s winds 10 to 15 kt with gusts to 25 kt... becoming sw with
gusts to 25 kt late. waves 1 ft. showers likely with a chance of
tstms.
.mon night...sw winds 5 to 10 kt. gusts up to 20 kt in the evening.
waves 1 ft. showers likely with a chance of tstms.
.tue...nw winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms.
.tue night...nw winds 5 to 10 kt. waves 1 ft.
.wed...ne winds around 5 kt. waves 1 ft.
.thu...s winds 5 to 10 kt. waves 1 ft. a chance of showers in the
afternoon. a chance of showers and tstms through the night.
winds and waves higher and visibilities lower in and near tstms.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 6/21/2026 2:27 PM America/New_York.
Valid through 6/22/2026 4:00 AM America/New_York.
fzus51 klwx 211827
cwflwx
expires:202606220800;;137768
coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sun jun 21 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.
anz537-220800-
tidal potomac from cobb island to smith point-
227 pm edt sun jun 21 2026
...small craft advisory in effect monday afternoon...
.this afternoon...nw winds 5 kt. waves less than 1 ft.
.tonight...se winds 5 to 10 kt. waves 1 ft.
.mon...s winds 15 to 20 kt with gusts to 25 kt. waves 1 ft...
building to 3 ft in the afternoon.
.mon night...s winds 10 to 15 kt with gusts to 25 kt... becoming sw
5 to 10 kt after midnight. waves 3 ft... subsiding to 1 ft after
midnight. showers likely with a chance of tstms.
.tue...nw winds 5 to 10 kt. waves 1 ft. showers likely with a chance
of tstms.
.tue night...n winds 5 to 10 kt. waves 1 ft.
.wed...n winds 5 to 10 kt...becoming se. waves 1 ft.
.thu...s winds around 5 kt...increasing to 10 to 15 kt. waves flat...
building to 2 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
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