(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/19/2026 2:27 PM America/New_York.
Valid through 9/20/2026 4:00 AM America/New_York.
fzus51 klwx 191827
cwflwx
expires:202609200800;;721313
coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sat sep 19 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.
anz531-200800-
chesapeake bay from pooles island to sandy point-
227 pm edt sat sep 19 2026
.this afternoon...e winds 5 to 10 kt. waves 1 ft.
.tonight...se winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.sun...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
scattered showers.
.sun night...sw winds 10 to 15 kt...becoming nw after midnight.
waves 1 to 2 ft. numerous showers.
.mon...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of showers.
.mon night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of showers.
.tue...ne winds 15 kt...increasing to 20 to 25 kt. waves 2 to 3 ft.
a chance of showers.
.wed...ne winds 20 to 25 kt. waves 3 ft. a chance of showers.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/19/2026 2:27 PM America/New_York.
Valid through 9/20/2026 4:00 AM America/New_York.
fzus51 klwx 191827
cwflwx
expires:202609200800;;721316
coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sat sep 19 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-200800-
chesapeake bay from sandy point to north beach-
227 pm edt sat sep 19 2026
.this afternoon...ne winds 5 to 10 kt. waves 1 ft.
.tonight...se winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.sun...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
scattered showers.
.sun night...sw winds 10 to 15 kt...becoming nw 5 to 10 kt after
midnight. waves 1 to 2 ft. numerous showers.
.mon...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of showers.
.mon night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of showers.
.tue...ne winds 20 to 25 kt. waves 3 ft. a chance of showers.
.wed...ne winds 20 to 25 kt. waves 3 ft. a chance of showers.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/19/2026 2:27 PM America/New_York.
Valid through 9/20/2026 4:00 AM America/New_York.
fzus51 klwx 191827
cwflwx
expires:202609200800;;721318
coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sat sep 19 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.
anz533-200800-
chesapeake bay from north beach to drum point-
227 pm edt sat sep 19 2026
.this afternoon...ne winds 5 to 10 kt. waves 1 ft.
.tonight...se winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.sun...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.sun night...sw winds 5 to 10 kt. waves 1 to 2 ft. scattered
showers.
.mon...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of showers.
.mon night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of showers.
.tue...ne winds 20 to 25 kt. waves 3 ft. a chance of showers.
.wed...ne winds 25 to 30 kt. waves 4 ft. a chance of showers.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/19/2026 2:27 PM America/New_York.
Valid through 9/20/2026 4:00 AM America/New_York.
fzus51 klwx 191827
cwflwx
expires:202609200800;;721321
coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sat sep 19 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-200800-
chesapeake bay from drum point to smith point-
227 pm edt sat sep 19 2026
...small craft advisory in effect until 1 am edt sunday...
.this afternoon...e winds 5 to 10 kt. waves 1 ft.
.tonight...se winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.sun...s winds 10 to 15 kt. waves 2 ft.
.sun night...s winds 10 to 15 kt...becoming sw 5 to 10 kt after
midnight. waves 2 ft. scattered showers.
.mon...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a chance
of showers.
.mon night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 to
3 ft. a chance of showers.
.tue...ne winds 20 to 25 kt. waves 3 ft. a chance of showers.
.wed...ne winds 25 to 30 kt. waves 5 ft. a chance of showers.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/19/2026 2:27 PM America/New_York.
Valid through 9/20/2026 4:00 AM America/New_York.
fzus51 klwx 191827
cwflwx
expires:202609200800;;721309
coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sat sep 19 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.
anz535-200800-
tidal potomac from key bridge to indian head-
227 pm edt sat sep 19 2026
.this afternoon...e winds 5 kt. waves less than 1 ft.
.tonight...se winds 5 to 10 kt. waves 1 ft.
.sun...s winds 5 to 10 kt. waves 1 ft. scattered showers.
.sun night...sw winds 5 kt...becoming n after midnight. waves 1 ft.
scattered showers.
.mon...ne winds 10 kt. waves 1 ft. a chance of showers.
.mon night...ne winds 10 kt. waves 1 ft. a chance of showers.
.tue...ne winds 10 to 15 kt. waves 1 ft. a chance of showers.
.wed...ne winds 10 to 15 kt. waves 1 ft. a chance of showers.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/19/2026 2:27 PM America/New_York.
Valid through 9/20/2026 4:00 AM America/New_York.
fzus51 klwx 191827
cwflwx
expires:202609200800;;721310
coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sat sep 19 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-200800-
tidal potomac from indian head to cobb island-
227 pm edt sat sep 19 2026
.this afternoon...e winds 5 kt. waves less than 1 ft.
.tonight...se winds 5 to 10 kt. waves 1 ft.
.sun...s winds 5 to 10 kt. waves 1 ft. scattered showers.
.sun night...sw winds 5 to 10 kt. waves 1 ft. scattered showers.
.mon...ne winds 5 to 10 kt. waves 1 ft. a chance of showers.
.mon night...ne winds 5 to 10 kt. waves 1 ft. a chance of showers.
.tue...ne winds 10 kt...increasing to 15 to 20 kt. waves 1 to 2 ft.
a chance of showers.
.wed...ne winds 15 to 20 kt. waves 2 ft. a chance of showers.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/19/2026 2:27 PM America/New_York.
Valid through 9/20/2026 4:00 AM America/New_York.
fzus51 klwx 191827
cwflwx
expires:202609200800;;721311
coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sat sep 19 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.
anz537-200800-
tidal potomac from cobb island to smith point-
227 pm edt sat sep 19 2026
...small craft advisory in effect until 1 am edt sunday...
.this afternoon...e winds 5 to 10 kt. waves 1 ft.
.tonight...se winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.sun...s winds 10 kt. waves 1 ft.
.sun night...sw winds 5 to 10 kt. waves 1 ft. scattered showers.
.mon...n winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. a
chance of showers.
.mon night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of showers.
.tue...ne winds 20 to 25 kt. waves 2 to 3 ft... building to 4 ft. a
chance of showers.
.wed...ne winds 25 to 30 kt. waves 4 ft. a chance of showers.
$$
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