(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/30/2026 9:21 PM America/New_York.
Valid through 8/31/2026 4:00 AM America/New_York.
fzus51 klwx 310121
cwflwx
expires:202608310800;;638189
coastal waters forecast
national weather service baltimore md/washington dc
921 pm edt sun aug 30 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.
anz531-310800-
chesapeake bay from pooles island to sandy point-
921 pm edt sun aug 30 2026
...small craft advisory in effect until 2 am edt monday...
.rest of tonight...sw winds 5 to 10 kt. gusts up to 20 kt late this
evening and early morning. waves 1 to 2 ft.
.mon...ne winds around 5 kt. waves 1 ft or less.
.mon night...s winds around 5 kt. waves flat.
.tue...sw winds 5 to 10 kt. waves 1 ft or less.
.tue night...sw winds around 5 kt. waves 1 ft. a chance of showers.
.wed...sw winds 5 kt. waves less than 1 ft. a chance of showers.
.wed night...s winds 5 to 10 kt. waves 1 ft.
.thu...sw winds 5 kt. waves less than 1 ft. a chance of showers and
tstms.
.fri...nw winds 5 to 10 kt. waves 1 ft. a chance of showers.
winds and waves higher and visibilities lower in and near tstms.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/30/2026 9:21 PM America/New_York.
Valid through 8/31/2026 4:00 AM America/New_York.
fzus51 klwx 310121
cwflwx
expires:202608310800;;638192
coastal waters forecast
national weather service baltimore md/washington dc
921 pm edt sun aug 30 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-310800-
chesapeake bay from sandy point to north beach-
921 pm edt sun aug 30 2026
...small craft advisory in effect until 2 am edt monday...
.rest of tonight...sw winds 10 to 15 kt. gusts up to 20 kt late this
evening and early morning. waves 2 ft.
.mon...n winds around 5 kt. waves 1 ft or less.
.mon night...s winds 5 kt. waves less than 1 ft.
.tue...sw winds 5 to 10 kt. waves 1 ft.
.tue night...sw winds 5 to 10 kt. waves 1 ft.
.wed...w winds 5 kt...becoming s in the afternoon. waves 1 ft or
less.
.wed night...s winds 5 to 10 kt. waves 1 ft.
.thu...sw winds 5 to 10 kt. waves 1 ft. a chance of showers in the
afternoon. a chance of showers and tstms through the night.
.fri...n winds 5 to 10 kt. waves 1 ft. a chance of showers.
winds and waves higher and visibilities lower in and near tstms.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/30/2026 9:21 PM America/New_York.
Valid through 8/31/2026 4:00 AM America/New_York.
fzus51 klwx 310121
cwflwx
expires:202608310800;;638194
coastal waters forecast
national weather service baltimore md/washington dc
921 pm edt sun aug 30 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.
anz533-310800-
chesapeake bay from north beach to drum point-
921 pm edt sun aug 30 2026
...small craft advisory in effect until 2 am edt monday...
.rest of tonight...s winds 10 to 15 kt. gusts up to 20 kt late this
evening and early morning. waves 1 to 2 ft.
.mon...n winds 5 kt. waves less than 1 ft.
.mon night...s winds 5 kt. waves less than 1 ft.
.tue...sw winds 5 to 10 kt. waves 1 ft.
.tue night...sw winds 5 to 10 kt. waves 1 ft.
.wed...w winds 5 kt...becoming s in the afternoon. waves 1 ft.
.wed night...s winds 5 to 10 kt. waves 1 ft.
.thu...sw winds 5 kt. waves less than 1 ft. a chance of showers.
.fri...nw winds 5 to 10 kt. waves 1 ft. a chance of showers.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/30/2026 9:21 PM America/New_York.
Valid through 8/31/2026 4:00 AM America/New_York.
fzus51 klwx 310121
cwflwx
expires:202608310800;;638197
coastal waters forecast
national weather service baltimore md/washington dc
921 pm edt sun aug 30 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-310800-
chesapeake bay from drum point to smith point-
921 pm edt sun aug 30 2026
...small craft advisory in effect until 2 am edt monday...
.rest of tonight...s winds 10 to 15 kt with gusts to 20 kt. waves
2 ft.
.mon...sw winds 5 to 10 kt. waves 1 to 2 ft.
.mon night...s winds 5 to 10 kt. waves 1 ft.
.tue...sw winds 5 to 10 kt. waves 1 ft.
.tue night...sw winds 5 to 10 kt. waves 1 ft.
.wed...w winds 5 kt...becoming s in the afternoon. waves 1 ft.
.wed night...s winds 5 to 10 kt. waves 1 ft.
.thu...sw winds 5 to 10 kt. waves 1 ft. a chance of showers.
.fri...nw winds 5 to 10 kt. waves 1 ft. a chance of showers.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/30/2026 9:21 PM America/New_York.
Valid through 8/31/2026 4:00 AM America/New_York.
fzus51 klwx 310121
cwflwx
expires:202608310800;;638185
coastal waters forecast
national weather service baltimore md/washington dc
921 pm edt sun aug 30 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.
anz535-310800-
tidal potomac from key bridge to indian head-
921 pm edt sun aug 30 2026
.rest of tonight...s winds 5 to 10 kt. waves 1 ft.
.mon...nw winds around 5 kt. waves 1 ft.
.mon night...s winds around 5 kt. waves 1 ft.
.tue...w winds around 5 kt. waves 1 ft.
.tue night...sw winds around 5 kt. waves 1 ft.
.wed...w winds around 5 kt. waves 1 ft.
.wed night...sw winds around 5 kt. waves 1 ft.
.thu...w winds 5 to 10 kt. waves 1 ft. a chance of showers.
.fri...nw winds 5 to 10 kt. waves 1 ft. a chance of showers.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/30/2026 9:21 PM America/New_York.
Valid through 8/31/2026 4:00 AM America/New_York.
fzus51 klwx 310121
cwflwx
expires:202608310800;;638186
coastal waters forecast
national weather service baltimore md/washington dc
921 pm edt sun aug 30 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-310800-
tidal potomac from indian head to cobb island-
921 pm edt sun aug 30 2026
.rest of tonight...s winds 5 kt. waves less than 1 ft. isolated
showers late this evening.
.mon...n winds around 5 kt. waves 1 ft.
.mon night...s winds around 5 kt. waves 1 ft.
.tue...w winds around 5 kt. waves 1 ft.
.tue night...sw winds around 5 kt. waves 1 ft.
.wed...w winds around 5 kt. waves 1 ft or less.
.wed night...s winds around 5 kt. waves 1 ft.
.thu...w winds around 5 kt. waves 1 ft. a chance of showers.
.fri...nw winds around 5 kt. waves 1 ft. a chance of showers.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 8/30/2026 9:21 PM America/New_York.
Valid through 8/31/2026 4:00 AM America/New_York.
fzus51 klwx 310121
cwflwx
expires:202608310800;;638187
coastal waters forecast
national weather service baltimore md/washington dc
921 pm edt sun aug 30 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.
anz537-310800-
tidal potomac from cobb island to smith point-
921 pm edt sun aug 30 2026
...small craft advisory in effect until 2 am edt monday...
.rest of tonight...s winds 10 kt. gusts up to 20 kt late this
evening and early morning. waves 1 to 2 ft. isolated showers late
this evening.
.mon...w winds around 5 kt. waves 1 ft.
.mon night...s winds 5 kt. waves less than 1 ft.
.tue...sw winds 5 kt. waves less than 1 ft.
.tue night...sw winds 5 to 10 kt. waves 1 ft.
.wed...s winds around 5 kt. waves 1 ft.
.wed night...s winds 5 to 10 kt. waves 1 ft.
.thu...sw winds 5 kt. waves less than 1 ft. a chance of showers.
.fri...n winds 5 kt. waves less than 1 ft. a chance of showers.
$$
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