(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/27/2026 3:13 AM America/New_York.
Valid through 8/27/2026 6:00 PM America/New_York.
fzus51 klwx 270713
cwflwx
expires:202608272200;;433340
coastal waters forecast
national weather service baltimore md/washington dc
313 am edt thu aug 27 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.
anz531-272200-
chesapeake bay from pooles island to sandy point-
313 am edt thu aug 27 2026
...small craft advisory in effect until 6 am edt early this
morning...
...small craft advisory in effect from noon edt today through this
evening...
.rest of the overnight...s winds 20 kt with gusts to 25 kt. waves
2 ft. a slight chance of showers and tstms.
.today...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
numerous showers and scattered tstms.
.tonight...s winds 5 to 10 kt. waves 1 to 2 ft. scattered showers
and tstms.
.fri...n winds 5 kt. waves flat. a chance of showers and tstms.
.fri night...n winds around 5 kt. waves 1 ft or less. a chance of
showers and tstms.
.sat...ne winds 5 to 10 kt. waves 1 ft.
.sat night...se winds around 5 kt. waves 1 ft.
.sun...s winds 5 to 10 kt. waves 1 ft or less.
.mon...sw winds 5 kt. waves less than 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/27/2026 3:13 AM America/New_York.
Valid through 8/27/2026 6:00 PM America/New_York.
fzus51 klwx 270713
cwflwx
expires:202608272200;;433343
coastal waters forecast
national weather service baltimore md/washington dc
313 am edt thu aug 27 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-272200-
chesapeake bay from sandy point to north beach-
313 am edt thu aug 27 2026
...small craft advisory in effect until 6 am edt early this
morning...
...small craft advisory in effect from noon edt today through this
evening...
.rest of the overnight...s winds 20 kt with gusts to 25 kt. waves
3 ft.
.today...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
scattered showers and tstms.
.tonight...s winds 10 to 15 kt with gusts to 20 kt... diminishing to
5 kt after midnight. waves 1 to 2 ft. scattered showers and tstms.
.fri...n winds around 5 kt. waves 1 ft or less. a chance of showers
and tstms.
.fri night...n winds around 5 kt. waves 1 ft or less. a chance of
showers and tstms.
.sat...ne winds 5 kt. waves less than 1 ft.
.sat night...se winds 5 kt. waves less than 1 ft.
.sun...s winds 5 to 10 kt. waves 1 ft or less...building to 2 ft.
.mon...sw winds 5 to 10 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/27/2026 3:13 AM America/New_York.
Valid through 8/27/2026 6:00 PM America/New_York.
fzus51 klwx 270713
cwflwx
expires:202608272200;;433345
coastal waters forecast
national weather service baltimore md/washington dc
313 am edt thu aug 27 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.
anz533-272200-
chesapeake bay from north beach to drum point-
313 am edt thu aug 27 2026
...small craft advisory in effect until 6 am edt early this
morning...
...small craft advisory in effect from noon edt today through this
evening...
.rest of the overnight...s winds 20 kt with gusts to 25 kt. waves
2 ft.
.today...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
scattered showers and tstms.
.tonight...s winds 10 to 15 kt with gusts to 20 kt... becoming sw
5 kt after midnight. waves 1 to 2 ft. a chance of showers and
scattered tstms.
.fri...nw winds 5 kt. waves less than 1 ft. a chance of showers and
tstms.
.fri night...n winds around 5 kt. waves 1 ft or less. a chance of
showers and tstms.
.sat...ne winds 5 kt. waves less than 1 ft.
.sat night...se winds 5 to 10 kt. waves 1 ft.
.sun...s winds 5 to 10 kt. waves 1 ft or less.
.mon...sw winds 5 to 10 kt. waves 1 to 2 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/27/2026 3:13 AM America/New_York.
Valid through 8/27/2026 6:00 PM America/New_York.
fzus51 klwx 270713
cwflwx
expires:202608272200;;433348
coastal waters forecast
national weather service baltimore md/washington dc
313 am edt thu aug 27 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-272200-
chesapeake bay from drum point to smith point-
313 am edt thu aug 27 2026
...small craft advisory in effect until 6 am edt early this
morning...
...small craft advisory in effect from noon edt today through this
evening...
.rest of the overnight...s winds 20 kt. waves 2 ft.
.today...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.tonight...s winds 10 to 15 kt with gusts to 20 kt... becoming sw
5 to 10 kt after midnight, then becoming nw late. waves 2 ft. a
chance of showers.
.fri...w winds 5 kt. waves less than 1 ft. showers likely with a
chance of tstms.
.fri night...n winds 5 kt. waves less than 1 ft. a chance of showers
and tstms.
.sat...ne winds around 5 kt. waves 1 ft.
.sat night...se winds 5 to 10 kt. waves 1 ft.
.sun...s winds 10 to 15 kt. waves 1 to 2 ft.
.mon...sw winds 5 to 10 kt. waves 1 to 2 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/27/2026 3:13 AM America/New_York.
Valid through 8/27/2026 6:00 PM America/New_York.
fzus51 klwx 270713
cwflwx
expires:202608272200;;433336
coastal waters forecast
national weather service baltimore md/washington dc
313 am edt thu aug 27 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.
anz535-272200-
tidal potomac from key bridge to indian head-
313 am edt thu aug 27 2026
.rest of the overnight...s winds 10 kt. waves 1 ft.
.today...s winds 5 to 10 kt. waves 1 ft or less. scattered showers
and tstms.
.tonight...s winds around 5 kt. waves flat. scattered showers and
tstms. patchy fog.
.fri...n winds around 5 kt. waves flat. a chance of showers and
tstms. patchy fog.
.fri night...n winds around 5 kt. waves flat.
.sat...ne winds around 5 kt. waves flat.
.sat night...se winds around 5 kt. waves flat.
.sun...s winds around 5 kt. waves 1 ft. patchy fog in the morning.
.mon...w winds around 5 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/27/2026 3:13 AM America/New_York.
Valid through 8/27/2026 6:00 PM America/New_York.
fzus51 klwx 270713
cwflwx
expires:202608272200;;433337
coastal waters forecast
national weather service baltimore md/washington dc
313 am edt thu aug 27 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-272200-
tidal potomac from indian head to cobb island-
313 am edt thu aug 27 2026
.rest of the overnight...s winds 15 kt. waves 1 ft.
.today...s winds 5 to 10 kt. waves 1 ft. scattered showers and
tstms.
.tonight...s winds 5 to 10 kt...becoming sw after midnight. waves
1 ft or less. scattered showers and tstms.
.fri...nw winds around 5 kt. waves flat. a chance of showers and
tstms.
.fri night...n winds around 5 kt. waves flat. a chance of showers
and tstms.
.sat...ne winds around 5 kt. waves flat.
.sat night...se winds around 5 kt. waves flat.
.sun...s winds around 5 kt. waves 1 ft.
.mon...sw winds around 5 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/27/2026 3:13 AM America/New_York.
Valid through 8/27/2026 6:00 PM America/New_York.
fzus51 klwx 270713
cwflwx
expires:202608272200;;433338
coastal waters forecast
national weather service baltimore md/washington dc
313 am edt thu aug 27 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.
anz537-272200-
tidal potomac from cobb island to smith point-
313 am edt thu aug 27 2026
...small craft advisory in effect until 6 am edt early this
morning...
...small craft advisory in effect from noon edt today through this
evening...
.rest of the overnight...s winds 15 kt with gusts to 20 kt. waves
1 ft.
.today...s winds 10 to 15 kt. waves 1 to 2 ft.
.tonight...se winds 10 to 15 kt...diminishing to 5 kt after
midnight. waves 1 to 2 ft. scattered showers.
.fri...nw winds around 5 kt. waves 1 ft or less. showers likely with
a chance of tstms.
.fri night...ne winds around 5 kt. waves flat. a chance of tstms.
.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.
.mon...sw winds 5 to 10 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
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