(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/21/2026 7:57 AM America/New_York.
Valid through 10/21/2026 4:00 PM America/New_York.
fzus51 klwx 211157
cwflwx
expires:202610212000;;937759
coastal waters forecast
national weather service baltimore md/washington dc
757 am edt wed oct 21 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.
anz531-212000-
chesapeake bay from pooles island to sandy point-
757 am edt wed oct 21 2026
...small craft advisory in effect through thursday morning...
.today...n winds 15 to 20 kt. waves 2 to 3 ft.
.tonight...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. waves 2 ft.
.fri...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.fri night...ne winds 5 kt. waves less than 1 ft.
.sat...e winds around 5 kt. waves 1 ft or less.
.sun...se winds around 5 kt. waves flat.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/21/2026 7:57 AM America/New_York.
Valid through 10/21/2026 4:00 PM America/New_York.
fzus51 klwx 211157
cwflwx
expires:202610212000;;937762
coastal waters forecast
national weather service baltimore md/washington dc
757 am edt wed oct 21 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-212000-
chesapeake bay from sandy point to north beach-
757 am edt wed oct 21 2026
...small craft advisory in effect through thursday morning...
.today...n winds 15 to 20 kt with gusts to 25 kt. waves 2 to 3 ft.
.tonight...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.thu...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.thu night...n winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft.
.fri...ne winds 15 to 20 kt. waves 2 to 3 ft.
.fri night...e winds 5 to 10 kt. waves 1 ft.
.sat...e winds 5 to 10 kt. waves 1 ft or less.
.sun...e winds around 5 kt. waves flat.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/21/2026 7:57 AM America/New_York.
Valid through 10/21/2026 4:00 PM America/New_York.
fzus51 klwx 211157
cwflwx
expires:202610212000;;937764
coastal waters forecast
national weather service baltimore md/washington dc
757 am edt wed oct 21 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.
anz533-212000-
chesapeake bay from north beach to drum point-
757 am edt wed oct 21 2026
...small craft advisory in effect through thursday morning...
.today...n winds 20 kt with gusts to 25 kt. waves 3 ft.
.tonight...n winds 10 to 15 kt with gusts to 20 kt. waves 2 to 3 ft.
.thu...n winds 10 to 15 kt with gusts to 20 kt. waves 3 ft.
.thu night...n winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft.
.fri...ne winds 15 to 20 kt. waves 2 to 3 ft.
.fri night...ne winds 5 to 10 kt. waves 1 ft.
.sat...ne winds 5 to 10 kt. waves 1 ft or less.
.sun...e winds around 5 kt. waves flat.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/21/2026 7:57 AM America/New_York.
Valid through 10/21/2026 4:00 PM America/New_York.
fzus51 klwx 211157
cwflwx
expires:202610212000;;937767
coastal waters forecast
national weather service baltimore md/washington dc
757 am edt wed oct 21 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-212000-
chesapeake bay from drum point to smith point-
757 am edt wed oct 21 2026
...small craft advisory in effect through thursday morning...
.today...n winds 20 kt with gusts to 25 kt. waves 3 ft.
.tonight...n winds 10 to 15 kt with gusts to 25 kt. waves 3 ft.
.thu...n winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
.thu night...n winds 15 to 20 kt. waves 2 to 3 ft.
.fri...ne winds 15 to 20 kt. waves 2 to 3 ft.
.fri night...ne winds 10 to 15 kt. waves 1 to 2 ft.
.sat...ne winds 10 to 15 kt...diminishing to 5 to 10 kt. waves 1 to
2 ft.
.sun...ne winds 5 to 10 kt. waves 1 ft or less.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/21/2026 7:57 AM America/New_York.
Valid through 10/21/2026 4:00 PM America/New_York.
fzus51 klwx 211157
cwflwx
expires:202610212000;;937755
coastal waters forecast
national weather service baltimore md/washington dc
757 am edt wed oct 21 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.
anz535-212000-
tidal potomac from key bridge to indian head-
757 am edt wed oct 21 2026
.today...n winds 5 to 10 kt. waves 1 ft.
.tonight...n winds 5 to 10 kt. waves 1 ft.
.thu...nw winds 5 to 10 kt with gusts to 20 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.
.fri night...ne winds around 5 kt. waves 1 ft or less.
.sat...ne winds around 5 kt. waves 1 ft or less.
.sun...se winds around 5 kt. waves 1 ft or less.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/21/2026 7:57 AM America/New_York.
Valid through 10/21/2026 4:00 PM America/New_York.
fzus51 klwx 211157
cwflwx
expires:202610212000;;937756
coastal waters forecast
national weather service baltimore md/washington dc
757 am edt wed oct 21 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-212000-
tidal potomac from indian head to cobb island-
757 am edt wed oct 21 2026
.today...n winds 10 to 15 kt. waves 1 ft.
.tonight...n winds 5 to 10 kt. waves 1 ft.
.thu...nw winds 5 to 10 kt with gusts to 20 kt. waves 1 ft.
.thu night...n winds 5 to 10 kt. waves 1 ft.
.fri...ne winds 5 to 10 kt. waves 1 ft.
.fri night...ne winds around 5 kt. waves 1 ft.
.sat...ne winds around 5 kt. waves 1 ft or less.
.sun...e winds around 5 kt. waves 1 ft or less.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/21/2026 7:57 AM America/New_York.
Valid through 10/21/2026 4:00 PM America/New_York.
fzus51 klwx 211157
cwflwx
expires:202610212000;;937757
coastal waters forecast
national weather service baltimore md/washington dc
757 am edt wed oct 21 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.
anz537-212000-
tidal potomac from cobb island to smith point-
757 am edt wed oct 21 2026
...small craft advisory in effect through thursday morning...
.today...n winds 15 to 20 kt with gusts to 25 kt. waves 2 to 3 ft.
.tonight...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 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft.
.fri...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.fri night...ne winds 5 to 10 kt. waves 1 ft.
.sat...ne winds 5 to 10 kt. waves 1 ft.
.sun...e winds around 5 kt. waves 1 ft or less.
$$
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