(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/4/2026 4:57 AM America/New_York.
Valid through 8/4/2026 7:00 PM America/New_York.
fzus51 klwx 040857
cwflwx
expires:202608042300;;598404
coastal waters forecast
national weather service baltimore md/washington dc
457 am edt tue aug 4 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.
anz531-042300-
chesapeake bay from pooles island to sandy point-
457 am edt tue aug 4 2026
...small craft advisory in effect until 8 am edt this morning...
.rest of the overnight...ne winds 15 kt with gusts to 20 kt. waves
2 ft.
.today...ne winds 10 to 15 kt with gusts to 20 kt... diminishing to
5 kt in the afternoon. waves 1 to 2 ft.
.tonight...e winds 5 kt. waves less than 1 ft. a chance of showers.
.wed...se winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms.
.wed night...s winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms.
.thu...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
.thu night...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft.
.fri...sw winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms.
.sat...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.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/4/2026 4:57 AM America/New_York.
Valid through 8/4/2026 7:00 PM America/New_York.
fzus51 klwx 040857
cwflwx
expires:202608042300;;598407
coastal waters forecast
national weather service baltimore md/washington dc
457 am edt tue aug 4 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-042300-
chesapeake bay from sandy point to north beach-
457 am edt tue aug 4 2026
...small craft advisory in effect until 8 am edt this morning...
.rest of the overnight...ne winds 15 kt with gusts to 20 kt. waves
2 ft.
.today...ne winds 10 to 15 kt. gusts up to 20 kt in the morning.
waves 1 to 2 ft.
.tonight...e winds 5 to 10 kt. waves 1 ft. a chance of showers.
.wed...se winds 5 to 10 kt. waves 1 to 2 ft. a chance of showers and
tstms.
.wed night...s winds 10 kt. waves 1 to 2 ft. a chance of showers and
tstms.
.thu...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
.thu night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.fri...sw winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms.
.sat...sw winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms.
winds and waves higher and visibilities lower in and near tstms.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/4/2026 4:57 AM America/New_York.
Valid through 8/4/2026 7:00 PM America/New_York.
fzus51 klwx 040857
cwflwx
expires:202608042300;;598409
coastal waters forecast
national weather service baltimore md/washington dc
457 am edt tue aug 4 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.
anz533-042300-
chesapeake bay from north beach to drum point-
457 am edt tue aug 4 2026
...small craft advisory in effect until 8 am edt this morning...
.rest of the overnight...ne winds 15 kt with gusts to 20 kt. waves
2 ft.
.today...ne winds 10 to 15 kt. gusts up to 20 kt in the morning.
waves 1 to 2 ft.
.tonight...e winds 5 to 10 kt. waves 1 ft. showers likely.
.wed...se winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
waves 1 to 2 ft. showers likely with a chance of tstms.
.wed night...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft.
.thu...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
.thu night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.fri...sw winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms.
.sat...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.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/4/2026 4:57 AM America/New_York.
Valid through 8/4/2026 7:00 PM America/New_York.
fzus51 klwx 040857
cwflwx
expires:202608042300;;598412
coastal waters forecast
national weather service baltimore md/washington dc
457 am edt tue aug 4 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-042300-
chesapeake bay from drum point to smith point-
457 am edt tue aug 4 2026
...small craft advisory in effect until 11 am edt this morning...
.rest of the overnight...ne winds 15 kt with gusts to 20 kt. waves
1 ft.
.today...ne winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
a chance of showers.
.tonight...se winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms.
.wed...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
showers likely with a chance of tstms.
.wed night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.thu...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.thu night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 to
3 ft.
.fri...sw winds 10 to 15 kt. waves 2 ft. a chance of showers and
tstms through the night.
.sat...sw winds 10 kt. waves 1 to 2 ft. a chance of showers and
tstms.
winds and waves higher and visibilities lower in and near tstms.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/4/2026 4:57 AM America/New_York.
Valid through 8/4/2026 7:00 PM America/New_York.
fzus51 klwx 040857
cwflwx
expires:202608042300;;598400
coastal waters forecast
national weather service baltimore md/washington dc
457 am edt tue aug 4 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.
anz535-042300-
tidal potomac from key bridge to indian head-
457 am edt tue aug 4 2026
.rest of the overnight...ne winds 5 kt. waves less than 1 ft.
.today...ne winds 5 kt. waves less than 1 ft.
.tonight...e winds around 5 kt. waves 1 ft or less. showers likely.
.wed...se winds around 5 kt. waves 1 ft. showers likely with a
chance of tstms.
.wed night...s winds 5 kt. waves less than 1 ft. a chance of showers
and tstms.
.thu...s winds 5 to 10 kt with gusts to 20 kt. waves 1 ft.
.thu night...sw winds 5 to 10 kt. waves 1 ft.
.fri...sw winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms.
.sat...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.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/4/2026 4:57 AM America/New_York.
Valid through 8/4/2026 7:00 PM America/New_York.
fzus51 klwx 040857
cwflwx
expires:202608042300;;598401
coastal waters forecast
national weather service baltimore md/washington dc
457 am edt tue aug 4 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-042300-
tidal potomac from indian head to cobb island-
457 am edt tue aug 4 2026
.rest of the overnight...ne winds 10 kt. waves 1 ft.
.today...ne winds 5 to 10 kt. waves 1 ft.
.tonight...e winds around 5 kt. waves 1 ft. showers likely.
.wed...se winds around 5 kt. waves 1 ft. a chance of showers and
tstms.
.wed night...s winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms.
.thu...s winds 5 to 10 kt. waves 1 ft.
.thu night...sw winds 5 to 10 kt. waves 1 ft.
.fri...sw winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms through the night.
.sat...sw winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms through the night. a chance of showers after midnight.
winds and waves higher and visibilities lower in and near tstms.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/4/2026 4:57 AM America/New_York.
Valid through 8/4/2026 7:00 PM America/New_York.
fzus51 klwx 040857
cwflwx
expires:202608042300;;598402
coastal waters forecast
national weather service baltimore md/washington dc
457 am edt tue aug 4 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.
anz537-042300-
tidal potomac from cobb island to smith point-
457 am edt tue aug 4 2026
...small craft advisory in effect until 11 am edt this morning...
.rest of the overnight...ne winds 10 kt. waves 1 ft.
.today...ne winds 10 to 15 kt. gusts up to 20 kt in the morning.
waves 1 to 2 ft. a chance of showers and tstms.
.tonight...se winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms.
.wed...s winds 5 to 10 kt. waves 1 ft. showers likely with a chance
of tstms.
.wed night...s winds 5 to 10 kt. waves 1 ft.
.thu...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
.thu night...s winds 10 to 15 kt. waves 1 to 2 ft.
.fri...sw winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms through the night.
.sat...sw winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms through the night. a chance of showers after midnight.
winds and waves higher and visibilities lower in and near tstms.
$$
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