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(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/23/2026 10:59 PM America/New_York.
Valid through 9/24/2026 4:00 AM America/New_York.
fzus51 klwx 240259
cwflwx
expires:202609240800;;955395
coastal waters forecast
national weather service baltimore md/washington dc
1058 pm edt wed sep 23 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.
anz531-240800-
chesapeake bay from pooles island to sandy point-
1058 pm edt wed sep 23 2026
...small craft advisory in effect through late thursday night...
.rest of tonight...ne winds 20 kt with gusts to 30 kt. waves 3 ft.
.thu...ne winds 15 to 20 kt with gusts to 25 kt. 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. waves 3 ft.
.sat...n winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
.sat night...n winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
.sun...nw winds 15 to 20 kt...diminishing to 10 kt after midnight.
waves 2 to 3 ft...subsiding to 1 ft after midnight.
.mon...nw winds 5 to 10 kt. waves 1 ft or less.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/23/2026 10:59 PM America/New_York.
Valid through 9/24/2026 4:00 AM America/New_York.
fzus51 klwx 240259
cwflwx
expires:202609240800;;955398
coastal waters forecast
national weather service baltimore md/washington dc
1058 pm edt wed sep 23 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-240800-
chesapeake bay from sandy point to north beach-
1058 pm edt wed sep 23 2026
...small craft advisory in effect through late thursday night...
.rest of tonight...ne winds 25 kt with gusts to 30 kt. waves 4 ft.
.thu...ne winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
.thu night...ne winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
.fri...n winds 20 to 25 kt. waves 3 ft.
.fri night...n winds 20 to 25 kt. waves 3 ft.
.sat...n winds 20 to 25 kt. waves 3 ft.
.sat night...nw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
.sun...nw winds 15 to 20 kt...diminishing to 10 kt after midnight.
waves 1 to 2 ft.
.mon...nw winds 5 to 10 kt. waves 1 ft or less.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/23/2026 10:59 PM America/New_York.
Valid through 9/24/2026 4:00 AM America/New_York.
fzus51 klwx 240259
cwflwx
expires:202609240800;;955400
coastal waters forecast
national weather service baltimore md/washington dc
1058 pm edt wed sep 23 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.
anz533-240800-
chesapeake bay from north beach to drum point-
1058 pm edt wed sep 23 2026
...gale warning in effect until 6 am edt thursday...
...small craft advisory in effect from 6 am edt thursday through
late thursday night...
.rest of tonight...ne winds 25 kt with gusts to 30 kt. waves 5 ft...
except around 3 ft near the mouth of the choptank.
.thu...ne winds 20 to 25 kt with gusts to 30 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 20 to 25 kt with gusts to 30 kt. waves 4 ft.
.sat night...nw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
.sun...nw winds 15 to 20 kt...diminishing to 10 kt after midnight.
waves 2 to 3 ft...subsiding to 1 ft after midnight.
.mon...nw winds 5 to 10 kt. waves 1 ft or less.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/23/2026 10:59 PM America/New_York.
Valid through 9/24/2026 4:00 AM America/New_York.
fzus51 klwx 240259
cwflwx
expires:202609240800;;955403
coastal waters forecast
national weather service baltimore md/washington dc
1058 pm edt wed sep 23 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-240800-
chesapeake bay from drum point to smith point-
1058 pm edt wed sep 23 2026
...gale warning in effect until 6 am edt thursday...
...small craft advisory in effect from 6 am edt thursday through
late thursday night...
.rest of tonight...ne winds 25 kt with gusts to 30 kt. waves 5 ft.
.thu...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
.thu night...n winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
.fri...n winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
.fri night...n winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
.sat...n winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
.sat night...nw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
.sun...nw winds 15 to 20 kt...diminishing to 10 kt after midnight.
waves 3 ft...subsiding to 1 ft after midnight.
.mon...nw winds 5 to 10 kt. waves 1 to 2 ft...subsiding to flat
after midnight.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/23/2026 10:59 PM America/New_York.
Valid through 9/24/2026 4:00 AM America/New_York.
fzus51 klwx 240259
cwflwx
expires:202609240800;;955391
coastal waters forecast
national weather service baltimore md/washington dc
1058 pm edt wed sep 23 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.
anz535-240800-
tidal potomac from key bridge to indian head-
1058 pm edt wed sep 23 2026
...small craft advisory in effect through late thursday night...
.rest of tonight...ne winds 10 kt with gusts to 20 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 20 kt. waves 1 ft.
.sat...nw winds 10 to 15 kt with gusts to 25 kt. waves 1 ft.
.sat night...nw winds 5 to 10 kt. gusts up to 25 kt in the evening.
waves 1 ft.
.sun...nw winds 10 to 15 kt...diminishing to 5 kt after midnight.
waves 1 ft.
.mon...nw winds 5 to 10 kt. waves 1 ft or less.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/23/2026 10:59 PM America/New_York.
Valid through 9/24/2026 4:00 AM America/New_York.
fzus51 klwx 240259
cwflwx
expires:202609240800;;955392
coastal waters forecast
national weather service baltimore md/washington dc
1058 pm edt wed sep 23 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-240800-
tidal potomac from indian head to cobb island-
1058 pm edt wed sep 23 2026
...small craft advisory in effect through late thursday night...
.rest of tonight...ne winds 15 kt with gusts to 25 kt. waves 2 ft.
.thu...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.thu night...n winds 10 to 15 kt. gusts up to 25 kt... diminishing
to 20 kt after midnight. waves 1 to 2 ft.
.fri...n winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
.fri night...n winds 10 to 15 kt with gusts to 20 kt. waves 1 ft.
.sat...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft.
.sat night...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft.
.sun...nw winds 10 to 15 kt...diminishing to 5 kt after midnight.
waves 1 ft.
.mon...nw winds 5 to 10 kt. waves 1 ft or less.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/23/2026 10:59 PM America/New_York.
Valid through 9/24/2026 4:00 AM America/New_York.
fzus51 klwx 240259
cwflwx
expires:202609240800;;955393
coastal waters forecast
national weather service baltimore md/washington dc
1058 pm edt wed sep 23 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.
anz537-240800-
tidal potomac from cobb island to smith point-
1058 pm edt wed sep 23 2026
...gale warning in effect until 6 am edt thursday...
...small craft advisory in effect from 6 am edt thursday through
late thursday night...
.rest of tonight...ne winds 25 kt with gusts to 30 kt. waves 5 ft.
.thu...ne winds 15 to 20 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 15 to 20 kt with gusts to 25 kt. waves 3 ft.
.fri night...n winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
.sat...nw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
.sat night...nw winds 10 to 15 kt with gusts to 25 kt. waves 2 ft.
.sun...nw winds 10 to 15 kt. waves 1 to 2 ft.
.mon...nw winds 5 to 10 kt. waves 1 ft or less.
$$
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