(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/16/2025 4:35 AM America/New_York.
Valid through 9/16/2025 7:00 PM America/New_York.
fzus51 klwx 160835
cwflwx
expires:202509162300;;068734
coastal waters forecast
national weather service baltimore md/washington dc
434 am edt tue sep 16 2025
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.
anz531-162300-
chesapeake bay from pooles island to sandy point-
434 am edt tue sep 16 2025
...small craft advisory in effect through late tonight...
.rest of the overnight...ne winds 20 kt. waves 2 ft. a slight chance
of showers.
.today...ne winds 20 to 25 kt with gusts to 30 kt. waves 3 ft. a
chance of showers. vsby 1 to 3 nm.
.tonight...ne winds 20 to 25 kt. waves 3 ft. showers likely.
.wed...ne winds 15 to 20 kt with gusts to 25 kt. waves 2 to 3 ft.
showers.
.wed night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers likely.
.thu...n winds 5 to 10 kt. waves 1 ft.
.thu night...sw winds 5 kt. waves less than 1 ft.
.fri...n winds 5 to 10 kt. waves 1 ft or less.
.sat...e winds 10 to 15 kt...diminishing to 5 to 10 kt after
midnight. waves 1 ft.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/16/2025 4:35 AM America/New_York.
Valid through 9/16/2025 7:00 PM America/New_York.
fzus51 klwx 160835
cwflwx
expires:202509162300;;068737
coastal waters forecast
national weather service baltimore md/washington dc
434 am edt tue sep 16 2025
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-162300-
chesapeake bay from sandy point to north beach-
434 am edt tue sep 16 2025
...small craft advisory in effect through late tonight...
.rest of the overnight...ne winds 20 kt with gusts to 25 kt. waves
3 ft. a slight chance of showers.
.today...ne winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
showers likely. vsby 1 to 3 nm.
.tonight...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
showers likely. vsby 1 nm or less.
.wed...ne winds 20 to 25 kt...diminishing to 15 kt in the afternoon.
waves 2 to 3 ft. showers.
.wed night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers likely.
.thu...n winds 5 to 10 kt. waves 1 ft.
.thu night...sw winds 5 to 10 kt. waves 1 ft or less.
.fri...n winds 5 to 10 kt. waves 1 ft or less.
.sat...e winds 10 to 15 kt...becoming 10 kt after midnight. waves
1 to 2 ft.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/16/2025 4:35 AM America/New_York.
Valid through 9/16/2025 7:00 PM America/New_York.
fzus51 klwx 160835
cwflwx
expires:202509162300;;068739
coastal waters forecast
national weather service baltimore md/washington dc
434 am edt tue sep 16 2025
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.
anz533-162300-
chesapeake bay from north beach to drum point-
434 am edt tue sep 16 2025
...small craft advisory in effect until 6 am edt early this
morning...
...gale warning in effect through this evening...
.rest of the overnight...ne winds 25 kt with gusts to 30 kt. waves
4 ft. a chance of showers.
.today...ne winds 25 to 30 kt. waves 5 ft. showers likely with a
chance of tstms. vsby 1 nm or less.
.tonight...ne winds 25 to 30 kt. waves 5 ft. showers likely with a
chance of tstms. vsby 1 nm or less.
.wed...ne winds 20 to 25 kt...diminishing to 10 to 15 kt in the
afternoon. waves 3 ft. showers.
.wed night...n winds 10 to 15 kt with gusts to 20 kt. waves 2 to
3 ft. showers likely.
.thu...n winds 5 to 10 kt. waves 1 to 2 ft.
.thu night...sw winds 5 to 10 kt. waves 1 ft.
.fri...n winds 5 kt...becoming ne after midnight. waves 1 ft or
less.
.sat...e winds 10 to 15 kt...becoming 10 kt after midnight. waves
1 to 2 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/16/2025 4:35 AM America/New_York.
Valid through 9/16/2025 7:00 PM America/New_York.
fzus51 klwx 160835
cwflwx
expires:202509162300;;068742
coastal waters forecast
national weather service baltimore md/washington dc
434 am edt tue sep 16 2025
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-162300-
chesapeake bay from drum point to smith point-
434 am edt tue sep 16 2025
...small craft advisory in effect until 6 am edt early this
morning...
...gale warning in effect through this evening...
.rest of the overnight...ne winds 25 kt with gusts to 35 kt. waves
5 ft. a chance of showers. vsby 1 to 3 nm.
.today...ne winds 25 to 30 kt. waves 6 ft. showers with a chance of
tstms. vsby 1 to 3 nm.
.tonight...ne winds 25 to 30 kt. waves 5 ft. showers with a chance
of tstms. vsby 1 nm or less.
.wed...ne winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. showers
with a chance of tstms.
.wed night...n winds 10 kt with gusts to 20 kt. waves 2 ft. showers
likely.
.thu...n winds 5 to 10 kt. waves 2 ft. a chance of showers.
.thu night...w winds 5 to 10 kt. waves 1 ft.
.fri...nw winds 5 to 10 kt...becoming s in the evening, then
becoming ne after midnight. waves 1 ft or less.
.sat...e winds 10 to 15 kt. waves 1 to 2 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/16/2025 4:35 AM America/New_York.
Valid through 9/16/2025 7:00 PM America/New_York.
fzus51 klwx 160835
cwflwx
expires:202509162300;;068730
coastal waters forecast
national weather service baltimore md/washington dc
434 am edt tue sep 16 2025
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.
anz535-162300-
tidal potomac from key bridge to indian head-
434 am edt tue sep 16 2025
...small craft advisory in effect through late tonight...
.rest of the overnight...ne winds 10 kt with gusts to 20 kt. waves
1 ft. a slight chance of showers.
.today...ne winds 10 to 15 kt. gusts up to 25 kt... increasing to
30 kt in the afternoon. waves 1 ft. showers likely. vsby 1 nm or
less.
.tonight...ne winds 10 to 15 kt. gusts up to 30 kt... diminishing to
20 kt after midnight. waves 1 ft. showers likely.
.wed...n winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. showers.
.wed night...n winds 5 to 10 kt. waves 1 ft. a chance of showers.
.thu...nw winds 5 kt. waves less than 1 ft.
.thu night...w winds around 5 kt. waves 1 ft.
.fri...n winds around 5 kt. waves 1 ft.
.sat...e winds 5 to 10 kt. waves 1 ft.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/16/2025 4:35 AM America/New_York.
Valid through 9/16/2025 7:00 PM America/New_York.
fzus51 klwx 160835
cwflwx
expires:202509162300;;068731
coastal waters forecast
national weather service baltimore md/washington dc
434 am edt tue sep 16 2025
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-162300-
tidal potomac from indian head to cobb island-
434 am edt tue sep 16 2025
...small craft advisory in effect through late tonight...
.rest of the overnight...ne winds 15 kt with gusts to 20 kt. waves
1 ft. a chance of showers.
.today...ne winds 15 to 20 kt. gusts up to 25 kt... increasing to
30 kt in the afternoon. waves 2 ft. showers likely. vsby 1 nm or
less.
.tonight...n winds 15 to 20 kt. gusts up to 30 kt in the evening.
waves 2 ft. showers likely. vsby 1 nm or less.
.wed...n winds 15 to 20 kt...diminishing to 10 kt in the afternoon.
waves 1 to 2 ft. showers.
.wed night...n winds 5 to 10 kt. waves 1 ft. a chance of showers.
.thu...nw winds 5 to 10 kt. waves 1 ft.
.thu night...sw winds around 5 kt. waves 1 ft.
.fri...n winds around 5 kt. waves 1 ft.
.sat...e winds 5 to 10 kt. waves 1 ft.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/16/2025 4:35 AM America/New_York.
Valid through 9/16/2025 7:00 PM America/New_York.
fzus51 klwx 160835
cwflwx
expires:202509162300;;068732
coastal waters forecast
national weather service baltimore md/washington dc
434 am edt tue sep 16 2025
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.
anz537-162300-
tidal potomac from cobb island to smith point-
434 am edt tue sep 16 2025
...small craft advisory in effect until 6 am edt early this
morning...
...gale warning in effect through this evening...
.rest of the overnight...ne winds 25 kt with gusts to 35 kt. waves
4 ft. a chance of showers. vsby 1 to 3 nm.
.today...ne winds 25 to 30 kt. waves 5 ft. showers with a chance of
tstms. vsby 1 nm or less.
.tonight...ne winds 25 to 30 kt. waves 4 ft. showers with a chance
of tstms. vsby 1 nm or less.
.wed...ne winds 15 to 20 kt. waves 2 to 3 ft. showers with a chance
of tstms.
.wed night...n winds 10 kt. waves 1 to 2 ft. a chance of showers.
.thu...n winds 5 to 10 kt. waves 1 ft.
.thu night...w winds around 5 kt. waves 1 ft.
.fri...n winds 5 kt...becoming ne after midnight. waves 1 ft or
less.
.sat...e winds 5 to 10 kt. waves 1 to 2 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
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