(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/22/2026 7:57 PM America/New_York.
Valid through 9/23/2026 4:00 AM America/New_York.
fzus51 klwx 222357
cwflwx
expires:202609230800;;897008
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt tue sep 22 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.
anz531-230800-
chesapeake bay from pooles island to sandy point-
757 pm edt tue sep 22 2026
...small craft advisory in effect through late wednesday night...
.tonight...ne winds 20 kt with gusts to 30 kt. waves 3 ft. patchy
fog this evening. rain with patchy drizzle this evening, then rain
likely with patchy drizzle after midnight. vsby 1 to 3 nm this
evening.
.wed...ne winds 15 to 20 kt with gusts to 30 kt. waves 3 ft. a
chance of rain.
.wed night...ne winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
.thu...ne winds 15 to 20 kt. gusts up to 30 kt in the morning. waves
3 ft.
.thu night...n winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft.
.fri...n winds 15 to 20 kt with gusts 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...n winds 15 to 20 kt. waves 2 to 3 ft.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/22/2026 7:57 PM America/New_York.
Valid through 9/23/2026 4:00 AM America/New_York.
fzus51 klwx 222357
cwflwx
expires:202609230800;;897011
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt tue sep 22 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-230800-
chesapeake bay from sandy point to north beach-
757 pm edt tue sep 22 2026
...small craft advisory in effect through late wednesday night...
.tonight...ne winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
patchy drizzle. rain. patchy fog. vsby 1 to 3 nm.
.wed...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 ft. a
chance of rain.
.wed night...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
.thu...ne winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
.thu night...ne winds 20 to 25 kt. waves 3 ft.
.fri...n winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
.fri night...n winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
.sat...n winds 20 to 25 kt. waves 3 ft.
.sun...nw winds 15 to 20 kt. waves 2 to 3 ft.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/22/2026 7:57 PM America/New_York.
Valid through 9/23/2026 4:00 AM America/New_York.
fzus51 klwx 222357
cwflwx
expires:202609230800;;897013
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt tue sep 22 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.
anz533-230800-
chesapeake bay from north beach to drum point-
757 pm edt tue sep 22 2026
...small craft advisory in effect until 6 am edt wednesday...
...gale warning in effect from 6 am edt wednesday through late
wednesday night...
.tonight...ne winds 25 kt with gusts to 30 kt. waves 4 ft. patchy
drizzle. rain. patchy fog. vsby 1 to 3 nm.
.wed...ne winds 20 to 25 kt with gusts to 35 kt. waves 5 ft. rain
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...ne 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...n winds 25 to 30 kt. waves 4 ft.
.sun...nw winds 15 to 20 kt. waves 2 to 3 ft. a chance of showers
through the night.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/22/2026 7:57 PM America/New_York.
Valid through 9/23/2026 4:00 AM America/New_York.
fzus51 klwx 222357
cwflwx
expires:202609230800;;897016
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt tue sep 22 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-230800-
chesapeake bay from drum point to smith point-
757 pm edt tue sep 22 2026
...small craft advisory in effect until 6 am edt wednesday...
...gale warning in effect from 6 am edt wednesday through late
wednesday night...
.tonight...ne winds 25 kt with gusts to 30 kt. waves 4 ft. patchy
drizzle. rain likely, mainly this evening. patchy fog. vsby 1 to
3 nm.
.wed...ne winds 20 to 25 kt with gusts to 35 kt. waves 5 ft. rain
likely.
.wed night...ne winds 20 to 25 kt with gusts to 35 kt. waves 5 ft.
.thu...ne winds 20 to 25 kt with gusts to 30 kt. waves 5 ft.
.thu night...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
.fri...n winds 20 to 25 kt with gusts to 30 kt. waves 5 ft.
.fri night...n winds 20 to 25 kt with gusts to 30 kt. waves 5 ft.
.sat...n winds 25 to 30 kt...becoming nw 15 to 20 kt after midnight.
waves 4 ft.
.sun...nw winds 20 to 25 kt...diminishing to 10 to 15 kt. waves
3 ft...subsiding to 2 ft after midnight.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/22/2026 7:57 PM America/New_York.
Valid through 9/23/2026 4:00 AM America/New_York.
fzus51 klwx 222357
cwflwx
expires:202609230800;;897004
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt tue sep 22 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.
anz535-230800-
tidal potomac from key bridge to indian head-
757 pm edt tue sep 22 2026
...small craft advisory in effect through late wednesday night...
.tonight...ne winds 10 kt with gusts to 25 kt. waves 1 ft. rain with
patchy drizzle. patchy fog. vsby 1 to 3 nm.
.wed...ne winds 10 kt with gusts to 25 kt. waves 1 ft. rain likely.
.wed night...ne winds 5 to 10 kt with gusts to 25 kt. waves 1 ft.
.thu...ne winds 10 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.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/22/2026 7:57 PM America/New_York.
Valid through 9/23/2026 4:00 AM America/New_York.
fzus51 klwx 222357
cwflwx
expires:202609230800;;897005
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt tue sep 22 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-230800-
tidal potomac from indian head to cobb island-
757 pm edt tue sep 22 2026
...small craft advisory in effect through late wednesday night...
.tonight...ne winds 15 kt with gusts to 30 kt. waves 2 ft. patchy
drizzle. rain. patchy fog. vsby 1 to 3 nm.
.wed...ne winds 10 to 15 kt with gusts to 25 kt. waves 2 ft. rain.
.wed night...ne winds 15 to 20 kt with gusts to 30 kt. waves 2 ft.
.thu...ne winds 10 to 15 kt with gusts to 25 kt. waves 2 ft.
.thu night...n winds 10 to 15 kt with gusts to 20 kt. waves 1 ft.
.fri...n winds 10 to 15 kt with gusts to 20 kt. waves 1 ft.
.fri night...n winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft.
.sat...nw winds 15 to 20 kt. waves 1 to 2 ft.
.sun...nw winds 10 to 15 kt. waves 1 ft.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/22/2026 7:57 PM America/New_York.
Valid through 9/23/2026 4:00 AM America/New_York.
fzus51 klwx 222357
cwflwx
expires:202609230800;;897006
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt tue sep 22 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.
anz537-230800-
tidal potomac from cobb island to smith point-
757 pm edt tue sep 22 2026
...small craft advisory in effect until 6 am edt wednesday...
...gale warning in effect from 6 am edt wednesday through late
wednesday night...
.tonight...ne winds 25 kt with gusts to 30 kt. waves 4 ft. rain
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. rain
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. waves 3 ft.
.fri night...n winds 15 to 20 kt with gusts to 30 kt. waves 3 ft.
.sat...nw winds 15 to 20 kt. waves 2 to 3 ft.
.sun...nw winds 10 to 15 kt. waves 1 to 2 ft.
$$
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