(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/23/2026 2:27 AM America/New_York.
Valid through 9/23/2026 4:00 PM America/New_York.
fzus51 klwx 230627
cwflwx
expires:202609232000;;908859
coastal waters forecast
national weather service baltimore md/washington dc
226 am edt wed sep 23 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.
anz531-232000-
chesapeake bay from pooles island to sandy point-
226 am edt wed sep 23 2026
...small craft advisory in effect through late thursday night...
.overnight...ne winds 20 kt with gusts to 30 kt. waves 3 ft. a
chance of showers with patchy drizzle.
.wed...ne winds 15 to 20 kt with gusts to 30 kt. waves 3 ft. a
chance of showers.
.wed night...ne winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
.thu...ne winds 15 to 20 kt with gusts to 30 kt. waves 3 ft.
.thu night...ne winds 10 to 15 kt...becoming n 20 to 25 kt after
midnight. waves 2 to 3 ft.
.fri...n winds 20 to 25 kt. waves 3 ft.
.fri night...n winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
.sat...n winds 20 to 25 kt. waves 3 ft.
.sun...nw winds 20 to 25 kt...becoming n 10 to 15 kt. waves 2 to
3 ft.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/23/2026 2:27 AM America/New_York.
Valid through 9/23/2026 4:00 PM America/New_York.
fzus51 klwx 230627
cwflwx
expires:202609232000;;908862
coastal waters forecast
national weather service baltimore md/washington dc
226 am edt wed sep 23 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-232000-
chesapeake bay from sandy point to north beach-
226 am edt wed sep 23 2026
...small craft advisory in effect through late thursday night...
.overnight...ne winds 25 kt with gusts to 30 kt. waves 4 ft. showers
likely with patchy drizzle.
.wed...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 ft. showers
likely.
.wed night...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
.thu...ne winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
.thu night...n winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
.fri...n winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
.fri night...n winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
.sat...nw winds 20 to 25 kt. waves 3 ft.
.sun...nw winds 20 to 25 kt...becoming n 10 to 15 kt. waves 2 to
3 ft.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/23/2026 2:27 AM America/New_York.
Valid through 9/23/2026 4:00 PM America/New_York.
fzus51 klwx 230627
cwflwx
expires:202609232000;;908864
coastal waters forecast
national weather service baltimore md/washington dc
226 am edt wed sep 23 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.
anz533-232000-
chesapeake bay from north beach to drum point-
226 am edt wed sep 23 2026
...small craft advisory in effect until 6 am edt early this
morning...
...gale warning in effect from 6 am edt this morning through late
tonight...
...small craft advisory in effect from thursday morning through late
thursday night...
.overnight...ne winds 25 kt with gusts to 30 kt. waves 4 ft. showers
likely with patchy drizzle.
.wed...ne winds 20 to 25 kt with gusts to 35 kt. waves 4 ft. showers
likely.
.wed night...ne winds 20 to 25 kt with gusts to 40 kt. waves 5 ft.
.thu...ne winds 20 to 25 kt with gusts to 35 kt. waves 4 ft.
.thu night...n winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
.fri...n winds 20 to 25 kt with gusts to 35 kt. waves 4 ft.
.fri night...n winds 25 to 30 kt. waves 5 ft.
.sat...n winds 25 to 30 kt. waves 4 ft.
.sun...nw winds 20 to 25 kt...diminishing to 10 to 15 kt after
midnight. waves 3 ft...subsiding to 2 ft after midnight.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/23/2026 2:27 AM America/New_York.
Valid through 9/23/2026 4:00 PM America/New_York.
fzus51 klwx 230627
cwflwx
expires:202609232000;;908867
coastal waters forecast
national weather service baltimore md/washington dc
226 am edt wed sep 23 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-232000-
chesapeake bay from drum point to smith point-
226 am edt wed sep 23 2026
...small craft advisory in effect until 6 am edt early this
morning...
...gale warning in effect from 6 am edt this morning through late
tonight...
...small craft advisory in effect from thursday morning through late
thursday night...
.overnight...ne winds 25 kt with gusts to 30 kt. waves 4 ft. a
chance of showers with patchy drizzle.
.wed...ne winds 20 to 25 kt with gusts to 35 kt. waves 5 ft. showers
likely.
.wed night...ne winds 20 to 25 kt with gusts to 35 kt. waves 5 ft.
.thu...ne winds 20 to 25 kt with gusts to 30 kt. waves 5 ft.
.thu night...n winds 20 to 25 kt with gusts to 30 kt. waves 5 ft.
.fri...n winds 25 to 30 kt. waves 5 ft.
.fri night...n winds 25 to 30 kt. waves 5 ft.
.sat...n winds 25 to 30 kt. waves 5 ft...subsiding to 4 ft after
midnight.
.sun...nw winds 20 to 25 kt...diminishing to 10 to 15 kt after
midnight. waves 3 ft...subsiding to 2 ft after midnight.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/23/2026 2:27 AM America/New_York.
Valid through 9/23/2026 4:00 PM America/New_York.
fzus51 klwx 230627
cwflwx
expires:202609232000;;908855
coastal waters forecast
national weather service baltimore md/washington dc
226 am edt wed sep 23 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.
anz535-232000-
tidal potomac from key bridge to indian head-
226 am edt wed sep 23 2026
...small craft advisory in effect through late thursday night...
.overnight...ne winds 10 kt with gusts to 20 kt. waves 1 ft. showers
likely with patchy drizzle. patchy fog. vsby 1 to 3 nm.
.wed...ne winds 10 kt with gusts to 25 kt. waves 1 ft. showers
likely.
.wed night...ne winds 5 to 10 kt with gusts to 25 kt. waves 1 ft.
.thu...ne winds 10 to 15 kt with gusts to 20 kt. waves 1 ft.
.thu night...n winds 5 to 10 kt. waves 1 ft.
.fri...n winds 10 to 15 kt with gusts to 25 kt. waves 1 ft.
.fri night...n winds 10 to 15 kt with gusts to 25 kt. waves 1 ft.
.sat...nw winds 10 to 15 kt. waves 1 ft.
.sun...nw winds 10 to 15 kt. waves 1 ft.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/23/2026 2:27 AM America/New_York.
Valid through 9/23/2026 4:00 PM America/New_York.
fzus51 klwx 230627
cwflwx
expires:202609232000;;908856
coastal waters forecast
national weather service baltimore md/washington dc
226 am edt wed sep 23 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-232000-
tidal potomac from indian head to cobb island-
226 am edt wed sep 23 2026
...small craft advisory in effect through late thursday night...
.overnight...ne winds 15 kt with gusts to 25 kt. waves 2 ft. showers
with patchy drizzle. patchy fog. vsby 1 to 3 nm.
.wed...ne winds 10 to 15 kt with gusts to 25 kt. waves 2 ft. showers
likely.
.wed night...ne winds 15 to 20 kt with gusts to 30 kt. waves 2 ft.
.thu...ne winds 10 to 15 kt with gusts to 25 kt. waves 2 ft.
.thu night...n winds 10 to 15 kt with gusts to 25 kt. waves 1 to
2 ft.
.fri...n winds 15 to 20 kt with gusts to 25 kt. waves 1 to 2 ft.
.fri night...n winds 15 to 20 kt with gusts to 25 kt. waves 2 ft.
.sat...nw winds 15 to 20 kt. waves 2 ft.
.sun...nw winds 10 to 15 kt. waves 1 to 2 ft.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/23/2026 2:27 AM America/New_York.
Valid through 9/23/2026 4:00 PM America/New_York.
fzus51 klwx 230627
cwflwx
expires:202609232000;;908857
coastal waters forecast
national weather service baltimore md/washington dc
226 am edt wed sep 23 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.
anz537-232000-
tidal potomac from cobb island to smith point-
226 am edt wed sep 23 2026
...small craft advisory in effect until 6 am edt early this
morning...
...gale warning in effect from 6 am edt this morning through late
tonight...
...small craft advisory in effect from thursday morning through late
thursday night...
.overnight...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
showers likely with patchy drizzle. patchy fog. vsby 1 to 3 nm.
.wed...ne winds 20 to 25 kt with gusts to 35 kt. waves 5 ft. showers
likely.
.wed night...ne winds 20 to 25 kt with gusts to 40 kt. waves 5 ft.
.thu...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
.thu night...n winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
.fri...n winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
.fri night...n winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
.sat...nw winds 20 to 25 kt. waves 3 ft.
.sun...nw winds 15 to 20 kt...diminishing to 10 kt after midnight.
waves 2 to 3 ft...subsiding to 1 ft after midnight.
$$
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