(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/20/2026 2:26 PM America/New_York.
Valid through 10/21/2026 4:00 AM America/New_York.
fzus51 klwx 201826
cwflwx
expires:202610210800;;897048
coastal waters forecast
national weather service baltimore md/washington dc
226 pm edt tue oct 20 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.
anz531-210800-
chesapeake bay from pooles island to sandy point-
226 pm edt tue oct 20 2026
...small craft advisory in effect through wednesday afternoon...
.this afternoon...n winds 15 kt with gusts to 20 kt. waves 2 ft.
.tonight...ne winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft.
.wed...n winds 15 to 20 kt with gusts to 25 kt. waves 2 to 3 ft.
.wed night...n winds 10 to 15 kt. waves 2 ft.
.thu...n winds 10 to 15 kt with gusts to 20 kt. waves 2 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...becoming ne 5 to 10 kt. waves 2 to
3 ft...subsiding to 1 ft.
.sat...e winds around 5 kt. waves 1 ft or less.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/20/2026 2:26 PM America/New_York.
Valid through 10/21/2026 4:00 AM America/New_York.
fzus51 klwx 201826
cwflwx
expires:202610210800;;897051
coastal waters forecast
national weather service baltimore md/washington dc
226 pm edt tue oct 20 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-210800-
chesapeake bay from sandy point to north beach-
226 pm edt tue oct 20 2026
...small craft advisory in effect through wednesday afternoon...
.this afternoon...n winds 15 kt with gusts to 25 kt. waves 3 ft.
.tonight...ne winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
.wed...n winds 15 to 20 kt with gusts to 25 kt. waves 2 to 3 ft.
.wed night...n winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft.
.thu...n winds 10 to 15 kt. waves 2 ft.
.thu night...n winds 20 to 25 kt. waves 2 to 3 ft.
.fri...n winds 15 to 20 kt...becoming ne 5 to 10 kt. waves 2 to
3 ft...subsiding to 1 ft after midnight.
.sat...e winds 5 to 10 kt. waves 1 ft or less.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/20/2026 2:26 PM America/New_York.
Valid through 10/21/2026 4:00 AM America/New_York.
fzus51 klwx 201826
cwflwx
expires:202610210800;;897053
coastal waters forecast
national weather service baltimore md/washington dc
226 pm edt tue oct 20 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.
anz533-210800-
chesapeake bay from north beach to drum point-
226 pm edt tue oct 20 2026
...small craft advisory in effect through wednesday afternoon...
.this afternoon...n winds 20 kt with gusts to 25 kt. waves 3 ft.
.tonight...n winds 15 to 20 kt with gusts to 30 kt. waves 3 ft.
.wed...n winds 20 to 25 kt. waves 3 ft.
.wed night...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.thu...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.thu night...n winds 20 to 25 kt. waves 3 ft.
.fri...n winds 15 to 20 kt...becoming ne 5 to 10 kt. waves 3 ft...
subsiding to 2 ft.
.sat...ne winds 5 to 10 kt. waves 1 to 2 ft.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/20/2026 2:26 PM America/New_York.
Valid through 10/21/2026 4:00 AM America/New_York.
fzus51 klwx 201826
cwflwx
expires:202610210800;;897056
coastal waters forecast
national weather service baltimore md/washington dc
226 pm edt tue oct 20 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-210800-
chesapeake bay from drum point to smith point-
226 pm edt tue oct 20 2026
...small craft advisory in effect through wednesday afternoon...
.this afternoon...n winds 20 kt with gusts to 25 kt. waves 4 ft.
.tonight...n winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
.wed...n winds 20 to 25 kt. waves 3 ft.
.wed night...n winds 15 to 20 kt. waves 3 ft.
.thu...n winds 15 to 20 kt. waves 3 ft.
.thu night...n winds 10 to 15 kt...increasing to 20 to 25 kt after
midnight. waves 3 ft.
.fri...ne winds 15 to 20 kt...diminishing to 5 to 10 kt after
midnight. waves 3 ft...subsiding to 2 ft.
.sat...ne winds 5 to 10 kt. waves 1 to 2 ft.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/20/2026 2:26 PM America/New_York.
Valid through 10/21/2026 4:00 AM America/New_York.
fzus51 klwx 201826
cwflwx
expires:202610210800;;897044
coastal waters forecast
national weather service baltimore md/washington dc
226 pm edt tue oct 20 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.
anz535-210800-
tidal potomac from key bridge to indian head-
226 pm edt tue oct 20 2026
.this afternoon...n winds 10 kt. waves 1 ft.
.tonight...n winds 5 to 10 kt. waves 1 ft.
.wed...n winds 5 to 10 kt. waves 1 ft.
.wed night...n winds 5 kt. waves less than 1 ft.
.thu...nw winds 5 to 10 kt. waves 1 ft.
.thu night...n winds 5 to 10 kt. waves 1 ft.
.fri...ne winds 5 to 10 kt. waves 1 ft.
.sat...ne winds around 5 kt. waves 1 ft or less.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/20/2026 2:26 PM America/New_York.
Valid through 10/21/2026 4:00 AM America/New_York.
fzus51 klwx 201826
cwflwx
expires:202610210800;;897045
coastal waters forecast
national weather service baltimore md/washington dc
226 pm edt tue oct 20 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-210800-
tidal potomac from indian head to cobb island-
226 pm edt tue oct 20 2026
.this afternoon...n winds 10 kt with gusts to 20 kt. waves 1 ft.
.tonight...n winds 10 to 15 kt with gusts to 20 kt. waves 1 ft.
.wed...n winds 10 to 15 kt with gusts to 20 kt. waves 1 ft.
.wed night...n winds 5 to 10 kt. waves 1 ft.
.thu...n winds 5 to 10 kt. waves 1 ft.
.thu night...n winds 10 to 15 kt. waves 1 ft.
.fri...n winds 10 to 15 kt...becoming ne around 5 kt. waves 1 ft.
.sat...ne winds around 5 kt. waves 1 ft.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/20/2026 2:26 PM America/New_York.
Valid through 10/21/2026 4:00 AM America/New_York.
fzus51 klwx 201826
cwflwx
expires:202610210800;;897046
coastal waters forecast
national weather service baltimore md/washington dc
226 pm edt tue oct 20 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.
anz537-210800-
tidal potomac from cobb island to smith point-
226 pm edt tue oct 20 2026
...small craft advisory in effect through wednesday afternoon...
.this afternoon...n winds 15 to 20 kt with gusts to 25 kt. waves
3 ft.
.tonight...n winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
.wed...n winds 15 to 20 kt with gusts to 25 kt. waves 2 to 3 ft.
.wed night...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.thu...n winds 10 to 15 kt with gusts to 20 kt. waves 2 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...becoming ne 5 to 10 kt. waves 2 to
3 ft.
.sat...ne winds 5 to 10 kt. waves 1 to 2 ft.
$$
|
