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(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/22/2026 4:58 AM America/New_York.
Valid through 7/22/2026 7:00 PM America/New_York.
fzus51 klwx 220858
cwflwx
expires:202607222300;;400223
coastal waters forecast
national weather service baltimore md/washington dc
457 am edt wed jul 22 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.
anz531-222300-
chesapeake bay from pooles island to sandy point-
457 am edt wed jul 22 2026
...small craft advisory in effect from this evening through thursday
morning...
.rest of the overnight...sw winds 15 kt. waves 2 ft. a slight chance
of showers.
.today...w winds 5 to 10 kt. waves 1 to 2 ft.
.tonight...nw winds 10 to 15 kt...becoming n after midnight. gusts
up to 20 kt. waves 1 to 2 ft. a chance of showers and tstms.
.thu...n winds 10 to 15 kt. gusts up to 20 kt in the morning. waves
1 to 2 ft.
.thu night...ne winds around 5 kt. waves flat.
.fri...e winds around 5 kt. waves 1 ft.
.fri night...e winds 5 to 10 kt. waves 1 ft.
.sat...se winds 5 to 10 kt. waves 1 ft.
.sun...se winds around 5 kt...becoming sw. waves 1 ft or less. a
chance of showers after midnight.
winds and waves higher and visibilities lower in and near tstms.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/22/2026 4:58 AM America/New_York.
Valid through 7/22/2026 7:00 PM America/New_York.
fzus51 klwx 220858
cwflwx
expires:202607222300;;400226
coastal waters forecast
national weather service baltimore md/washington dc
457 am edt wed jul 22 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-222300-
chesapeake bay from sandy point to north beach-
457 am edt wed jul 22 2026
...small craft advisory in effect until noon edt today...
...small craft advisory in effect from this evening through thursday
morning...
.rest of the overnight...sw winds 15 kt with gusts to 20 kt. waves
3 ft. a slight chance of showers.
.today...w winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. a
chance of showers and tstms.
.tonight...nw winds 5 to 10 kt...becoming n 15 kt with gusts to
20 kt after midnight. waves 1 to 2 ft. a chance of showers and
tstms.
.thu...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.thu night...e winds 5 kt. waves less than 1 ft.
.fri...e winds 5 to 10 kt. waves 1 ft.
.fri night...e winds 5 to 10 kt. waves 1 ft.
.sat...e winds 5 kt. waves less than 1 ft.
.sun...se winds 5 kt...becoming sw. waves 1 ft or less. a chance of
showers through the night.
winds and waves higher and visibilities lower in and near tstms.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/22/2026 4:58 AM America/New_York.
Valid through 7/22/2026 7:00 PM America/New_York.
fzus51 klwx 220858
cwflwx
expires:202607222300;;400228
coastal waters forecast
national weather service baltimore md/washington dc
457 am edt wed jul 22 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.
anz533-222300-
chesapeake bay from north beach to drum point-
457 am edt wed jul 22 2026
...small craft advisory in effect until noon edt today...
...small craft advisory in effect from late tonight through thursday
morning...
.rest of the overnight...sw winds 15 kt with gusts to 20 kt. waves
3 ft. a slight chance of showers and tstms.
.today...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
showers likely with a chance of tstms.
.tonight...w winds 5 to 10 kt...becoming n 15 to 20 kt after
midnight. waves 1 ft...building to 3 ft after midnight. a chance of
showers and tstms.
.thu...n winds 10 to 15 kt with gusts to 20 kt. waves 2 to 3 ft.
.thu night...ne winds 5 to 10 kt. waves 1 ft.
.fri...e winds 5 to 10 kt. waves 1 ft.
.fri night...e winds 5 to 10 kt. waves 1 ft.
.sat...e winds 5 to 10 kt. waves 1 ft.
.sun...ne winds around 5 kt...becoming s. waves 1 ft or less. a
chance of showers through the night.
winds and waves higher and visibilities lower in and near tstms.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/22/2026 4:58 AM America/New_York.
Valid through 7/22/2026 7:00 PM America/New_York.
fzus51 klwx 220858
cwflwx
expires:202607222300;;400231
coastal waters forecast
national weather service baltimore md/washington dc
457 am edt wed jul 22 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-222300-
chesapeake bay from drum point to smith point-
457 am edt wed jul 22 2026
...small craft advisory in effect through this afternoon...
...small craft advisory in effect from late tonight through thursday
morning...
.rest of the overnight...sw winds 20 kt with gusts to 30 kt. waves
3 ft. a chance of showers with a slight chance of tstms.
.today...sw winds 15 to 20 kt with gusts to 30 kt... diminishing to
10 kt with gusts to 20 kt late. waves 3 ft. showers with a chance of
tstms.
.tonight...sw winds 5 to 10 kt...becoming n 10 to 15 kt after
midnight. gusts up to 20 kt. waves 2 to 3 ft. showers with a chance
of tstms.
.thu...n winds 10 to 15 kt with gusts to 20 kt. waves 2 to 3 ft.
.thu night...ne winds 5 to 10 kt. waves 1 ft.
.fri...e winds 5 to 10 kt. waves 1 ft.
.fri night...e winds 5 to 10 kt. waves 1 ft.
.sat...e winds 5 to 10 kt. waves 1 ft.
.sun...e winds 5 kt...becoming s. waves 1 ft or less. a chance of
showers through the night.
winds and waves higher and visibilities lower in and near tstms.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/22/2026 4:58 AM America/New_York.
Valid through 7/22/2026 7:00 PM America/New_York.
fzus51 klwx 220858
cwflwx
expires:202607222300;;400219
coastal waters forecast
national weather service baltimore md/washington dc
457 am edt wed jul 22 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.
anz535-222300-
tidal potomac from key bridge to indian head-
457 am edt wed jul 22 2026
.rest of the overnight...sw winds 5 kt. waves less than 1 ft. a
slight chance of showers.
.today...w winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms.
.tonight...n winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms.
.thu...n winds 5 to 10 kt. waves 1 ft.
.thu night...ne winds around 5 kt. waves 1 ft or less.
.fri...e winds around 5 kt. waves 1 ft.
.fri night...e winds around 5 kt. waves 1 ft or less.
.sat...se winds around 5 kt. waves 1 ft.
.sun...s winds around 5 kt. waves 1 ft. a chance of showers through
the night.
winds and waves higher and visibilities lower in and near tstms.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/22/2026 4:58 AM America/New_York.
Valid through 7/22/2026 7:00 PM America/New_York.
fzus51 klwx 220858
cwflwx
expires:202607222300;;400220
coastal waters forecast
national weather service baltimore md/washington dc
457 am edt wed jul 22 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-222300-
tidal potomac from indian head to cobb island-
457 am edt wed jul 22 2026
.rest of the overnight...sw winds 10 kt. waves 1 ft. a slight chance
of showers.
.today...w winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms.
.tonight...sw winds 5 kt...becoming n in the late evening and
overnight. waves 1 ft. a chance of showers and tstms.
.thu...n winds 5 to 10 kt. waves 1 ft.
.thu night...ne winds around 5 kt. waves 1 ft.
.fri...e winds around 5 kt. waves 1 ft.
.fri night...e winds around 5 kt. waves 1 ft.
.sat...se winds around 5 kt. waves 1 ft.
.sun...se winds around 5 kt. waves 1 ft. a chance of showers through
the night.
winds and waves higher and visibilities lower in and near tstms.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/22/2026 4:58 AM America/New_York.
Valid through 7/22/2026 7:00 PM America/New_York.
fzus51 klwx 220858
cwflwx
expires:202607222300;;400221
coastal waters forecast
national weather service baltimore md/washington dc
457 am edt wed jul 22 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.
anz537-222300-
tidal potomac from cobb island to smith point-
457 am edt wed jul 22 2026
...small craft advisory in effect through this afternoon...
...small craft advisory in effect from late tonight through thursday
morning...
.rest of the overnight...sw winds 15 kt with gusts to 25 kt. waves
2 ft. a slight chance of showers and tstms.
.today...sw winds 10 to 15 kt. gusts up to 25 kt until late
afternoon. waves 2 ft. showers likely with a chance of tstms.
.tonight...w winds 5 to 10 kt...becoming n 10 to 15 kt with gusts to
20 kt after midnight. waves 1 to 2 ft. showers with a chance of
tstms.
.thu...n winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
.thu night...ne winds 5 to 10 kt. waves 1 ft.
.fri...e winds 5 to 10 kt. waves 1 ft.
.fri night...e winds 5 to 10 kt. waves 1 ft.
.sat...e winds around 5 kt. waves 1 ft.
.sun...e winds around 5 kt...becoming s. waves 1 ft or less. a
chance of showers through the night.
winds and waves higher and visibilities lower in and near tstms.
$$
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