(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/22/2026 10:57 PM America/New_York.
Valid through 7/23/2026 4:00 AM America/New_York.
fzus51 klwx 230257
cwflwx
expires:202607230800;;441366
coastal waters forecast
national weather service baltimore md/washington dc
1057 pm 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.
anz531-230800-
chesapeake bay from pooles island to sandy point-
1057 pm edt wed jul 22 2026
...small craft advisory in effect until 8 am edt thursday...
.rest of tonight...n winds 15 kt with gusts to 20 kt. waves 1 to
2 ft.
.thu...n winds 10 to 15 kt with gusts to 20 kt... becoming ne 5 kt
late. waves 1 to 2 ft.
.thu night...e 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...e winds 5 kt. waves less than 1 ft.
.sat night...s winds 5 to 10 kt. waves 1 ft.
.sun...s winds 5 to 10 kt. waves 1 ft or less. a chance of showers
through the night.
.mon...sw winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms.
winds and waves higher and visibilities lower in and near tstms.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/22/2026 10:57 PM America/New_York.
Valid through 7/23/2026 4:00 AM America/New_York.
fzus51 klwx 230257
cwflwx
expires:202607230800;;441369
coastal waters forecast
national weather service baltimore md/washington dc
1057 pm edt wed jul 22 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-230800-
chesapeake bay from sandy point to north beach-
1057 pm edt wed jul 22 2026
...small craft advisory in effect until 8 am edt thursday...
.rest of tonight...n winds 10 to 15 kt with gusts to 20 kt. waves
1 to 2 ft. numerous showers and scattered tstms late this evening,
then scattered showers with isolated tstms.
.thu...n winds 10 to 15 kt with gusts to 20 kt... becoming ne 5 kt
late. waves 1 to 2 ft.
.thu night...e winds around 5 kt. waves 1 ft or less.
.fri...e winds 5 to 10 kt. waves 1 ft.
.fri night...e winds 5 to 10 kt. waves 1 ft.
.sat...ne winds 5 kt. waves less than 1 ft.
.sat night...se winds around 5 kt. waves 1 ft.
.sun...s winds 5 to 10 kt. waves 1 ft or less. a chance of showers
through the night.
.mon...sw winds 5 to 10 kt. waves 1 ft. a chance of showers. a
chance of tstms through the night.
winds and waves higher and visibilities lower in and near tstms.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/22/2026 10:57 PM America/New_York.
Valid through 7/23/2026 4:00 AM America/New_York.
fzus51 klwx 230257
cwflwx
expires:202607230800;;441371
coastal waters forecast
national weather service baltimore md/washington dc
1057 pm 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.
anz533-230800-
chesapeake bay from north beach to drum point-
1057 pm edt wed jul 22 2026
...small craft advisory in effect through thursday morning...
.rest of tonight...w winds 10 kt...becoming n 15 to 20 kt. waves
1 to 2 ft...building to 3 ft late. showers. scattered tstms late
this evening, then isolated tstms.
.thu...n winds 10 to 15 kt with gusts to 20 kt. waves 2 to 3 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...ne winds around 5 kt. waves 1 ft.
.sat night...se winds around 5 kt. waves 1 ft.
.sun...se winds 5 to 10 kt...becoming sw after midnight. waves 1 ft
or less. a chance of showers through the night.
.mon...sw winds 5 to 10 kt. waves 1 ft. a chance of showers. a
chance of tstms through the night.
winds and waves higher and visibilities lower in and near tstms.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/22/2026 10:57 PM America/New_York.
Valid through 7/23/2026 4:00 AM America/New_York.
fzus51 klwx 230257
cwflwx
expires:202607230800;;441374
coastal waters forecast
national weather service baltimore md/washington dc
1057 pm edt wed jul 22 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-230800-
chesapeake bay from drum point to smith point-
1057 pm edt wed jul 22 2026
...small craft advisory in effect through thursday morning...
.rest of tonight...w winds 15 kt...becoming n. gusts up to 20 kt.
waves 1 to 2 ft. showers. numerous tstms late this evening, then
scattered tstms. patchy fog. vsby 1 nm or less.
.thu...n winds 10 to 15 kt with gusts to 20 kt. waves 2 to 3 ft. a
chance of showers.
.thu night...ne winds 5 to 10 kt. waves 1 ft.
.fri...e winds 5 to 10 kt. waves 1 ft.
.fri night...e winds 5 to 10 kt. waves 1 ft.
.sat...ne winds 5 to 10 kt. waves 1 ft.
.sat night...e winds 5 to 10 kt. waves 1 ft.
.sun...e winds 5 kt...becoming s. waves 1 ft or less. a chance of
showers through the night.
.mon...sw winds 5 to 10 kt. waves 1 to 2 ft. a chance of showers and
tstms through the night.
winds and waves higher and visibilities lower in and near tstms.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/22/2026 10:57 PM America/New_York.
Valid through 7/23/2026 4:00 AM America/New_York.
fzus51 klwx 230257
cwflwx
expires:202607230800;;441362
coastal waters forecast
national weather service baltimore md/washington dc
1057 pm 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.
anz535-230800-
tidal potomac from key bridge to indian head-
1057 pm edt wed jul 22 2026
.rest of tonight...n winds 5 to 10 kt. waves 1 ft. scattered showers
and tstms late this evening.
.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...e winds around 5 kt. waves 1 ft.
.sat night...s winds around 5 kt. waves 1 ft or less.
.sun...s winds around 5 kt. waves 1 ft. a chance of showers and
tstms through the night.
.mon...sw winds around 5 kt. waves 1 ft. a chance of showers and
tstms.
winds and waves higher and visibilities lower in and near tstms.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/22/2026 10:57 PM America/New_York.
Valid through 7/23/2026 4:00 AM America/New_York.
fzus51 klwx 230257
cwflwx
expires:202607230800;;441363
coastal waters forecast
national weather service baltimore md/washington dc
1057 pm edt wed jul 22 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-230800-
tidal potomac from indian head to cobb island-
1057 pm edt wed jul 22 2026
.rest of tonight...n winds 10 kt. waves 1 ft. showers and scattered
tstms late this evening, then scattered showers with isolated tstms.
.thu...n winds 5 to 10 kt. waves 1 ft.
.thu night...ne winds around 5 kt. waves 1 ft or less.
.fri...e winds around 5 kt. waves 1 ft.
.fri night...e winds around 5 kt. waves 1 ft.
.sat...e winds around 5 kt. waves 1 ft.
.sat night...s winds around 5 kt. waves 1 ft or less.
.sun...s winds around 5 kt. waves 1 ft or less. a chance of showers
and tstms through the night.
.mon...sw winds around 5 kt. waves 1 ft. a chance of showers and
tstms.
winds and waves higher and visibilities lower in and near tstms.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 7/22/2026 10:57 PM America/New_York.
Valid through 7/23/2026 4:00 AM America/New_York.
fzus51 klwx 230257
cwflwx
expires:202607230800;;441364
coastal waters forecast
national weather service baltimore md/washington dc
1057 pm 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.
anz537-230800-
tidal potomac from cobb island to smith point-
1057 pm edt wed jul 22 2026
...small craft advisory in effect through thursday morning...
.rest of tonight...w winds 10 kt...becoming n. gusts up to 20 kt.
waves 1 to 2 ft. showers. numerous tstms late this evening, then
scattered tstms. patchy fog late this evening. patchy fog. vsby 1 nm
or less.
.thu...n winds 10 to 15 kt. gusts up to 20 kt until late afternoon.
waves 1 to 2 ft. a chance of showers.
.thu night...ne 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...ne winds 5 to 10 kt. waves 1 ft.
.sat night...se winds around 5 kt. waves 1 ft.
.sun...s winds around 5 kt. waves 1 ft or less. a chance of showers
and tstms through the night.
.mon...sw winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms through the night.
winds and waves higher and visibilities lower in and near tstms.
$$
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