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(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/23/2026 10:58 AM America/New_York.
Valid through 9/23/2026 4:00 PM America/New_York.
fzus51 klwx 231458
cwflwx
expires:202609232000;;928511
coastal waters forecast
national weather service baltimore md/washington dc
1058 am 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.
anz531-232000-
chesapeake bay from pooles island to sandy point-
1058 am edt wed sep 23 2026
...small craft advisory in effect through late thursday night...
.rest of today...ne winds 20 kt with gusts to 30 kt. waves 3 ft.
.tonight...ne winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
.thu...ne winds 15 to 20 kt. gusts up to 30 kt... diminishing to
20 kt late. waves 3 ft.
.thu night...ne winds 10 to 15 kt...becoming n 20 to 25 kt after
midnight. waves 2 to 3 ft.
.fri...n winds 20 to 25 kt. waves 3 ft.
.fri night...n winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
.sat...n winds 20 to 25 kt. waves 3 ft.
.sun...nw winds 20 to 25 kt...becoming n 10 to 15 kt. waves 2 to
3 ft.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/23/2026 10:58 AM America/New_York.
Valid through 9/23/2026 4:00 PM America/New_York.
fzus51 klwx 231458
cwflwx
expires:202609232000;;928514
coastal waters forecast
national weather service baltimore md/washington dc
1058 am edt wed sep 23 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-232000-
chesapeake bay from sandy point to north beach-
1058 am edt wed sep 23 2026
...small craft advisory in effect through late thursday night...
.rest of today...ne winds 20 kt with gusts to 30 kt. waves 3 ft. a
slight chance of rain late this morning.
.tonight...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
.thu...ne winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
.thu night...n winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
.fri...n winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
.fri night...n winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
.sat...nw winds 20 to 25 kt. waves 3 ft.
.sun...nw winds 20 to 25 kt...becoming n 10 to 15 kt. waves 2 to
3 ft.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/23/2026 10:58 AM America/New_York.
Valid through 9/23/2026 4:00 PM America/New_York.
fzus51 klwx 231458
cwflwx
expires:202609232000;;928516
coastal waters forecast
national weather service baltimore md/washington dc
1058 am 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.
anz533-232000-
chesapeake bay from north beach to drum point-
1058 am edt wed sep 23 2026
...gale warning in effect through late tonight...
...small craft advisory in effect from thursday morning through late
thursday night...
.rest of today...ne winds 25 kt with gusts to 35 kt. waves 4 ft...
except around 3 ft near the mouth of the choptank. a chance of rain
late this morning, then a slight chance of showers this afternoon.
.tonight...ne winds 20 to 25 kt with gusts to 40 kt. waves 5 ft.
.thu...ne winds 20 to 25 kt. gusts up to 35 kt... diminishing to
30 kt in the afternoon. 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 35 kt. waves 4 ft.
.fri night...n winds 25 to 30 kt. waves 5 ft.
.sat...n winds 25 to 30 kt. waves 4 ft.
.sun...nw winds 20 to 25 kt...diminishing to 10 to 15 kt after
midnight. waves 3 ft...subsiding to 2 ft after midnight.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/23/2026 10:58 AM America/New_York.
Valid through 9/23/2026 4:00 PM America/New_York.
fzus51 klwx 231458
cwflwx
expires:202609232000;;928519
coastal waters forecast
national weather service baltimore md/washington dc
1058 am edt wed sep 23 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-232000-
chesapeake bay from drum point to smith point-
1058 am edt wed sep 23 2026
...gale warning in effect through late tonight...
...small craft advisory in effect from thursday morning through late
thursday night...
.rest of today...ne winds 25 kt with gusts to 35 kt. waves 5 ft.
rain likely late this morning, then a chance of showers this
afternoon.
.tonight...ne winds 20 to 25 kt with gusts to 35 kt. waves 5 ft.
.thu...ne winds 20 to 25 kt with gusts to 30 kt. waves 5 ft.
.thu night...n winds 20 to 25 kt with gusts to 30 kt. waves 5 ft.
.fri...n winds 25 to 30 kt. waves 5 ft.
.fri night...n winds 25 to 30 kt. waves 5 ft.
.sat...n winds 25 to 30 kt. waves 5 ft...subsiding to 4 ft after
midnight.
.sun...nw winds 20 to 25 kt...diminishing to 10 to 15 kt after
midnight. waves 3 ft...subsiding to 2 ft after midnight.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/23/2026 10:58 AM America/New_York.
Valid through 9/23/2026 4:00 PM America/New_York.
fzus51 klwx 231458
cwflwx
expires:202609232000;;928507
coastal waters forecast
national weather service baltimore md/washington dc
1058 am 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.
anz535-232000-
tidal potomac from key bridge to indian head-
1058 am edt wed sep 23 2026
...small craft advisory in effect through late thursday night...
.rest of today...ne winds 10 kt with gusts to 25 kt. waves 1 ft. a
slight chance of rain late this morning, then a slight chance of
showers this afternoon.
.tonight...ne winds 5 to 10 kt with gusts to 25 kt. waves 1 ft.
.thu...ne winds 10 to 15 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 25 kt. waves 1 ft.
.sat...nw winds 10 to 15 kt. waves 1 ft.
.sun...nw winds 10 to 15 kt. waves 1 ft.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/23/2026 10:58 AM America/New_York.
Valid through 9/23/2026 4:00 PM America/New_York.
fzus51 klwx 231458
cwflwx
expires:202609232000;;928508
coastal waters forecast
national weather service baltimore md/washington dc
1058 am edt wed sep 23 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-232000-
tidal potomac from indian head to cobb island-
1058 am edt wed sep 23 2026
...small craft advisory in effect through late thursday night...
.rest of today...ne winds 15 kt with gusts to 25 kt. waves 2 ft. a
chance of rain late this morning, then a chance of showers this
afternoon.
.tonight...ne winds 15 to 20 kt with gusts to 30 kt. waves 2 ft.
.thu...ne winds 10 to 15 kt with gusts to 25 kt. waves 2 ft.
.thu night...n winds 10 to 15 kt with gusts to 25 kt. waves 1 to
2 ft.
.fri...n winds 15 to 20 kt with gusts to 25 kt. waves 1 to 2 ft.
.fri night...n winds 15 to 20 kt with gusts to 25 kt. waves 2 ft.
.sat...nw winds 15 to 20 kt. waves 2 ft.
.sun...nw winds 10 to 15 kt. waves 1 to 2 ft.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/23/2026 10:58 AM America/New_York.
Valid through 9/23/2026 4:00 PM America/New_York.
fzus51 klwx 231458
cwflwx
expires:202609232000;;928509
coastal waters forecast
national weather service baltimore md/washington dc
1058 am 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.
anz537-232000-
tidal potomac from cobb island to smith point-
1058 am edt wed sep 23 2026
...gale warning in effect through late tonight...
...small craft advisory in effect from thursday morning through late
thursday night...
.rest of today...ne winds 20 to 25 kt with gusts to 35 kt. waves
4 ft. rain likely late this morning, then a chance of showers this
afternoon.
.tonight...ne winds 20 to 25 kt with gusts to 40 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...nw winds 20 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.
$$
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