(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/30/2026 4:57 AM America/New_York.
Valid through 10/30/2026 7:00 PM America/New_York.
fzus51 klwx 300857
cwflwx
expires:202610302300;;957931
coastal waters forecast
national weather service baltimore md/washington dc
457 am edt fri oct 30 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.
anz531-302300-
chesapeake bay from pooles island to sandy point-
457 am edt fri oct 30 2026
...small craft advisory in effect from 10 am edt this morning
through saturday morning...
.rest of the overnight...sw winds 10 kt. waves 1 ft.
.today...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
.tonight...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.sat...n winds 5 to 10 kt. waves 1 to 2 ft.
.sat night...ne winds around 5 kt. waves flat.
.sun...se winds around 5 kt. waves flat.
.sun night...s winds around 5 kt. waves flat.
.mon...s winds around 5 kt. waves flat.
.tue...e winds 5 to 10 kt. waves 1 ft or less.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/30/2026 4:57 AM America/New_York.
Valid through 10/30/2026 7:00 PM America/New_York.
fzus51 klwx 300857
cwflwx
expires:202610302300;;957934
coastal waters forecast
national weather service baltimore md/washington dc
457 am edt fri oct 30 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-302300-
chesapeake bay from sandy point to north beach-
457 am edt fri oct 30 2026
...small craft advisory in effect from 10 am edt this morning
through saturday morning...
.rest of the overnight...sw winds 10 kt. waves 1 ft.
.today...nw winds 5 to 10 kt with gusts to 20 kt. waves 1 to 2 ft.
.tonight...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.sat...n winds 5 to 10 kt. gusts up to 20 kt in the morning. waves
1 to 2 ft.
.sat night...ne winds around 5 kt. waves flat.
.sun...se winds 5 kt. waves flat.
.sun night...s winds around 5 kt. waves flat.
.mon...s winds around 5 kt. waves flat.
.tue...e winds 5 to 10 kt. waves 1 ft or less.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/30/2026 4:57 AM America/New_York.
Valid through 10/30/2026 7:00 PM America/New_York.
fzus51 klwx 300857
cwflwx
expires:202610302300;;957936
coastal waters forecast
national weather service baltimore md/washington dc
457 am edt fri oct 30 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.
anz533-302300-
chesapeake bay from north beach to drum point-
457 am edt fri oct 30 2026
...small craft advisory in effect from 10 am edt this morning
through saturday morning...
.rest of the overnight...sw winds 10 kt. waves 1 ft.
.today...nw winds 5 to 10 kt with gusts to 20 kt. waves 1 to 2 ft.
.tonight...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.sat...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.sat night...e winds around 5 kt. waves 1 ft or less.
.sun...e winds around 5 kt. waves flat.
.sun night...s winds around 5 kt. waves flat.
.mon...se winds around 5 kt. waves flat.
.tue...e winds 5 to 10 kt. waves 1 ft or less.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/30/2026 4:57 AM America/New_York.
Valid through 10/30/2026 7:00 PM America/New_York.
fzus51 klwx 300857
cwflwx
expires:202610302300;;957939
coastal waters forecast
national weather service baltimore md/washington dc
457 am edt fri oct 30 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-302300-
chesapeake bay from drum point to smith point-
457 am edt fri oct 30 2026
...small craft advisory in effect from 10 am edt this morning
through saturday morning...
.rest of the overnight...sw winds 10 kt. waves 1 ft.
.today...nw winds 5 to 10 kt with gusts to 20 kt. waves 1 to 2 ft.
.tonight...n winds 10 to 15 kt with gusts to 20 kt. waves 2 to 3 ft.
.sat...n winds 10 to 15 kt with gusts to 20 kt. waves 2 to 3 ft.
.sat night...ne winds 5 to 10 kt. waves 1 ft.
.sun...e winds 5 kt. waves less than 1 ft.
.sun night...se winds around 5 kt. waves flat.
.mon...se winds around 5 kt. waves 1 ft or less.
.tue...e winds 5 to 10 kt. waves 1 ft.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/30/2026 4:57 AM America/New_York.
Valid through 10/30/2026 7:00 PM America/New_York.
fzus51 klwx 300857
cwflwx
expires:202610302300;;957927
coastal waters forecast
national weather service baltimore md/washington dc
457 am edt fri oct 30 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.
anz535-302300-
tidal potomac from key bridge to indian head-
457 am edt fri oct 30 2026
...small craft advisory in effect from 10 am edt this morning
through saturday morning...
.rest of the overnight...sw winds 5 kt. waves less than 1 ft.
.today...w winds 5 to 10 kt with gusts to 20 kt...becoming nw with
gusts to 20 kt in the afternoon. waves 1 ft.
.tonight...n winds 5 to 10 kt. gusts up to 20 kt in the evening.
waves 1 ft.
.sat...n winds around 5 kt. waves 1 ft.
.sat night...e winds around 5 kt. waves flat.
.sun...se winds around 5 kt. waves 1 ft.
.sun night...s winds around 5 kt. waves 1 ft or less.
.mon...s winds around 5 kt. waves 1 ft or less.
.tue...e winds around 5 kt. waves 1 ft.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/30/2026 4:57 AM America/New_York.
Valid through 10/30/2026 7:00 PM America/New_York.
fzus51 klwx 300857
cwflwx
expires:202610302300;;957928
coastal waters forecast
national weather service baltimore md/washington dc
457 am edt fri oct 30 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-302300-
tidal potomac from indian head to cobb island-
457 am edt fri oct 30 2026
...small craft advisory in effect from 10 am edt this morning
through saturday morning...
.rest of the overnight...sw winds 5 kt. waves less than 1 ft.
.today...nw winds 5 to 10 kt. gusts up to 20 kt in the late morning
and afternoon. waves 1 ft.
.tonight...n winds 5 to 10 kt. waves 1 ft.
.sat...n winds around 5 kt. waves 1 ft.
.sat night...e winds around 5 kt. waves flat.
.sun...e winds around 5 kt. waves 1 ft or less.
.sun night...s winds around 5 kt. waves 1 ft.
.mon...s winds around 5 kt. waves 1 ft or less.
.tue...e winds around 5 kt. waves 1 ft.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 10/30/2026 4:57 AM America/New_York.
Valid through 10/30/2026 7:00 PM America/New_York.
fzus51 klwx 300857
cwflwx
expires:202610302300;;957929
coastal waters forecast
national weather service baltimore md/washington dc
457 am edt fri oct 30 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.
anz537-302300-
tidal potomac from cobb island to smith point-
457 am edt fri oct 30 2026
...small craft advisory in effect from 10 am edt this morning
through saturday morning...
.rest of the overnight...sw winds 10 kt. waves 1 ft.
.today...nw winds 5 to 10 kt. waves 1 ft.
.tonight...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.sat...n winds 5 to 10 kt with gusts to 20 kt. waves 1 to 2 ft.
.sat night...ne winds around 5 kt. waves 1 ft or less.
.sun...e winds around 5 kt. waves 1 ft.
.sun night...se winds around 5 kt. waves flat.
.mon...se winds around 5 kt. waves flat.
.tue...e winds 5 to 10 kt. waves 1 ft.
$$
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