(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/27/2026 3:34 PM America/New_York.
Valid through 8/28/2026 4:00 AM America/New_York.
fzus51 klwx 271934
cwflwx
expires:202608280800;;460612
coastal waters forecast
national weather service baltimore md/washington dc
334 pm 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.
anz531-280800-
chesapeake bay from pooles island to sandy point-
334 pm edt thu aug 27 2026
...small craft advisory in effect until 9 pm edt this evening...
...severe thunderstorm watch 632 in effect until 10 pm edt this
evening...
.rest of this afternoon...s winds 10 kt with gusts to 20 kt. waves
2 ft. a chance of showers and tstms.
.tonight...s winds 10 to 15 kt with gusts to 20 kt... becoming sw
around 5 kt late. waves 1 to 2 ft. a chance of showers and tstms.
.fri...n winds 5 kt. waves flat.
.fri night...n winds 5 to 10 kt. waves 1 ft or less.
.sat...ne winds 5 to 10 kt. waves 1 ft.
.sat night...se winds around 5 kt. waves flat.
.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.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/27/2026 3:34 PM America/New_York.
Valid through 8/28/2026 4:00 AM America/New_York.
fzus51 klwx 271934
cwflwx
expires:202608280800;;460615
coastal waters forecast
national weather service baltimore md/washington dc
334 pm edt thu aug 27 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-280800-
chesapeake bay from sandy point to north beach-
334 pm edt thu aug 27 2026
...small craft advisory in effect until 9 pm edt this evening...
...severe thunderstorm watch 632 in effect until 10 pm edt this
evening...
.rest of this afternoon...s winds 15 kt with gusts to 20 kt. waves
3 ft. a slight chance of showers and tstms.
.tonight...s winds 10 to 15 kt with gusts to 20 kt... becoming sw
5 kt late. waves 3 ft...subsiding to 1 ft after midnight. a chance
of showers and tstms.
.fri...n winds 5 kt. waves less than 1 ft. a chance of showers and
tstms.
.fri night...n winds 5 to 10 kt. waves 1 ft or less. a chance of
showers and tstms.
.sat...ne winds 5 to 10 kt. waves 1 ft.
.sat night...se winds 5 kt. waves less than 1 ft.
.sun...s winds 5 to 10 kt. waves 1 ft or less...building to 2 ft.
.mon...sw winds 5 to 10 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/27/2026 3:34 PM America/New_York.
Valid through 8/28/2026 4:00 AM America/New_York.
fzus51 klwx 271934
cwflwx
expires:202608280800;;460617
coastal waters forecast
national weather service baltimore md/washington dc
334 pm 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.
anz533-280800-
chesapeake bay from north beach to drum point-
334 pm edt thu aug 27 2026
...small craft advisory in effect until 9 pm edt this evening...
...severe thunderstorm watch 632 in effect until 10 pm edt this
evening...
.rest of this afternoon...s winds 15 kt with gusts to 20 kt. waves
2 ft. a slight chance of showers and tstms.
.tonight...s winds 10 to 15 kt with gusts to 20 kt... becoming sw
5 to 10 kt after midnight. waves 3 ft... subsiding to 1 ft after
midnight.
.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 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...building to 1 to
2 ft.
.mon...sw winds 5 to 10 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/27/2026 3:34 PM America/New_York.
Valid through 8/28/2026 4:00 AM America/New_York.
fzus51 klwx 271934
cwflwx
expires:202608280800;;460620
coastal waters forecast
national weather service baltimore md/washington dc
334 pm edt thu aug 27 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-280800-
chesapeake bay from drum point to smith point-
334 pm edt thu aug 27 2026
...small craft advisory in effect until 9 pm edt this evening...
...severe thunderstorm watch 632 in effect until 10 pm edt this
evening...
.rest of this afternoon...s winds 15 kt with gusts to 20 kt. waves
2 ft.
.tonight...s winds 10 to 15 kt with gusts to 20 kt... becoming sw
5 to 10 kt after midnight. waves 2 ft.
.fri...w winds 5 kt. waves less than 1 ft. a chance of showers and
tstms.
.fri night...se winds 5 kt...becoming n after midnight. waves 1 ft.
a chance of showers and tstms.
.sat...ne winds 5 to 10 kt. waves 1 ft.
.sat night...se winds 5 to 10 kt. waves 1 ft.
.sun...s winds 5 to 10 kt. waves 1 ft or less...building to 2 ft.
.mon...s winds 5 to 10 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/27/2026 3:34 PM America/New_York.
Valid through 8/28/2026 4:00 AM America/New_York.
fzus51 klwx 271934
cwflwx
expires:202608280800;;460608
coastal waters forecast
national weather service baltimore md/washington dc
334 pm 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.
anz535-280800-
tidal potomac from key bridge to indian head-
334 pm edt thu aug 27 2026
...severe thunderstorm watch 632 in effect until 10 pm edt this
evening...
.rest of this afternoon...s winds 10 kt. waves 1 ft. a slight chance
of showers and tstms.
.tonight...s winds 5 to 10 kt until early morning...becoming light.
waves 1 ft. a chance of showers and tstms.
.fri...nw winds around 5 kt. waves 1 ft. patchy fog. vsby 1 to 3 nm.
.fri night...n winds around 5 kt. waves 1 ft.
.sat...ne winds 5 kt. waves less than 1 ft.
.sat night...se winds around 5 kt. waves 1 ft or less.
.sun...s winds around 5 kt. waves 1 ft. patchy fog in the morning.
.mon...sw winds around 5 kt. waves 1 ft or less.
winds and waves higher and visibilities lower in and near tstms.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/27/2026 3:34 PM America/New_York.
Valid through 8/28/2026 4:00 AM America/New_York.
fzus51 klwx 271934
cwflwx
expires:202608280800;;460609
coastal waters forecast
national weather service baltimore md/washington dc
334 pm edt thu aug 27 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-280800-
tidal potomac from indian head to cobb island-
334 pm edt thu aug 27 2026
...severe thunderstorm watch 632 in effect until 10 pm edt this
evening...
.rest of this afternoon...s winds 10 kt. waves 1 ft. a slight chance
of showers and tstms.
.tonight...s winds 5 to 10 kt. waves 1 ft. a chance of showers.
.fri...nw winds around 5 kt. waves 1 ft. a chance of showers and
tstms.
.fri night...n winds around 5 kt. waves 1 ft. a chance of showers
and tstms.
.sat...ne winds around 5 kt. waves 1 ft.
.sat night...se winds around 5 kt. waves 1 ft.
.sun...s winds around 5 kt. waves 1 ft.
.mon...sw winds around 5 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/27/2026 3:34 PM America/New_York.
Valid through 8/28/2026 4:00 AM America/New_York.
fzus51 klwx 271934
cwflwx
expires:202608280800;;460610
coastal waters forecast
national weather service baltimore md/washington dc
334 pm 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.
anz537-280800-
tidal potomac from cobb island to smith point-
334 pm edt thu aug 27 2026
...small craft advisory in effect until 9 pm edt this evening...
...severe thunderstorm watch 632 in effect until 10 pm edt this
evening...
.rest of this afternoon...se winds 15 kt with gusts to 20 kt. waves
2 ft. a slight chance of showers and tstms.
.tonight...s winds 10 to 15 kt with gusts to 20 kt... becoming sw
5 to 10 kt after midnight. waves 1 to 2 ft.
.fri...nw winds around 5 kt. waves 1 ft or less. a chance of showers
and tstms.
.fri night...ne winds around 5 kt. waves flat. a chance of showers
and 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 around 5 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
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