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(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 3/12/2026 2:46 AM America/New_York.
Valid through 3/12/2026 4:00 PM America/New_York.
fzus51 klwx 120646
cwflwx
expires:202603122000;;060619
coastal waters forecast
national weather service baltimore md/washington dc
246 am edt thu mar 12 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.
anz531-122000-
chesapeake bay from pooles island to sandy point-
246 am edt thu mar 12 2026
...small craft advisory in effect through this evening...
...small craft advisory in effect from friday morning through late
friday night...
.overnight...sw winds 10 to 15 kt. gusts up to 25 kt late. waves
1 to 2 ft. a slight chance of rain.
.thu...nw winds 15 to 20 kt. gusts up to 30 kt... diminishing to
20 kt late. waves 3 ft. rain and snow. vsby 1 nm or less.
.thu night...nw winds 5 to 10 kt. gusts up to 20 kt until early
morning. waves 1 to 2 ft.
.fri...s winds 10 to 15 kt with gusts to 20 kt... increasing to
20 to 25 kt with gusts to 30 kt in the afternoon. waves 2 ft...
building to 4 ft in the afternoon.
.fri night...s winds 15 to 20 kt with gusts to 30 kt... becoming w
10 to 15 kt with gusts to 20 kt after midnight. waves 3 ft.
.sat...w winds 10 to 15 kt. waves 1 to 2 ft.
.sat night...ne winds 5 to 10 kt. waves 1 ft.
.sun...se winds 15 to 20 kt...becoming s 20 to 25 kt after midnight.
waves 1 to 2 ft...building to 3 ft. a chance of showers in the
evening. showers likely after midnight.
.mon...s winds 25 to 30 kt...becoming w. waves 3 ft. showers.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 3/12/2026 2:46 AM America/New_York.
Valid through 3/12/2026 4:00 PM America/New_York.
fzus51 klwx 120646
cwflwx
expires:202603122000;;060622
coastal waters forecast
national weather service baltimore md/washington dc
246 am edt thu mar 12 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-122000-
chesapeake bay from sandy point to north beach-
246 am edt thu mar 12 2026
...small craft advisory in effect through this evening...
...small craft advisory in effect from friday morning through late
friday night...
.overnight...sw winds 15 kt with gusts to 20 kt. waves 2 ft. a
slight chance of rain.
.thu...nw winds 15 to 20 kt. gusts up to 30 kt... diminishing to
20 kt late. waves 3 ft. rain and snow. vsby 1 nm or less.
.thu night...nw winds 5 to 10 kt. gusts up to 20 kt until early
morning. waves 1 to 2 ft.
.fri...s winds 15 to 20 kt. gusts up to 20 kt... increasing to 30 kt
in the afternoon. waves 2 ft...building to 4 ft in the afternoon.
.fri night...sw winds 15 to 20 kt with gusts to 30 kt. waves 3 ft.
.sat...nw winds 10 to 15 kt. waves 1 to 2 ft.
.sat night...e winds 5 to 10 kt. waves 1 ft.
.sun...se winds 15 to 20 kt...becoming s 20 to 25 kt after midnight.
waves 2 to 3 ft...building to 4 ft after midnight. a chance of
showers in the evening. showers likely after midnight.
.mon...s winds 25 to 30 kt...becoming nw. waves 4 ft...subsiding to
3 ft after midnight. showers. a chance of showers after midnight.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 3/12/2026 2:46 AM America/New_York.
Valid through 3/12/2026 4:00 PM America/New_York.
fzus51 klwx 120646
cwflwx
expires:202603122000;;060624
coastal waters forecast
national weather service baltimore md/washington dc
246 am edt thu mar 12 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.
anz533-122000-
chesapeake bay from north beach to drum point-
246 am edt thu mar 12 2026
...small craft advisory in effect through this evening...
...small craft advisory in effect from friday morning through late
friday night...
.overnight...sw winds 15 kt with gusts to 20 kt. waves 2 ft.
.thu...nw winds 15 to 20 kt. gusts up to 30 kt... diminishing to
20 kt late. waves 4 ft. rain and snow. vsby 1 nm or less.
.thu night...nw winds 5 to 10 kt. gusts up to 20 kt until early
morning. waves 1 to 2 ft.
.fri...s winds 10 to 15 kt with gusts to 20 kt... increasing to
20 to 25 kt with gusts to 30 kt in the afternoon. waves 2 ft...
building to 4 ft in the afternoon.
.fri night...sw winds 15 to 20 kt with gusts to 30 kt. waves 3 ft.
.sat...nw winds 10 to 15 kt. waves 1 to 2 ft.
.sat night...e winds 5 to 10 kt. waves 1 ft.
.sun...se winds 15 to 20 kt...becoming s 25 to 30 kt after midnight.
waves 2 to 3 ft...building to 4 ft after midnight. a chance of
showers in the evening. showers likely after midnight.
.mon...s winds 25 to 30 kt...becoming nw. waves 4 ft. showers. a
chance of showers after midnight.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 3/12/2026 2:46 AM America/New_York.
Valid through 3/12/2026 4:00 PM America/New_York.
fzus51 klwx 120646
cwflwx
expires:202603122000;;060627
coastal waters forecast
national weather service baltimore md/washington dc
246 am edt thu mar 12 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-122000-
chesapeake bay from drum point to smith point-
246 am edt thu mar 12 2026
...small craft advisory in effect through this evening...
...small craft advisory in effect from friday morning through late
friday night...
.overnight...sw winds 20 kt with gusts to 25 kt. waves 3 ft.
.thu...w winds 15 to 20 kt...becoming nw 20 to 25 kt in the late
morning and afternoon. gusts up to 30 kt. waves 4 ft. rain and snow.
vsby 1 nm or less.
.thu night...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 to
3 ft.
.fri...s winds 15 to 20 kt. gusts up to 20 kt... increasing to 30 kt
in the afternoon. waves 2 ft...building to 4 ft in the afternoon.
.fri night...sw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
.sat...w winds 10 to 15 kt...becoming n 5 to 10 kt in the afternoon.
waves 1 to 2 ft.
.sat night...e winds 5 to 10 kt. waves 1 ft.
.sun...se winds 15 to 20 kt...becoming s 20 to 25 kt after midnight.
waves 2 to 3 ft...building to 4 ft after midnight. a chance of
showers in the evening. showers likely after midnight.
.mon...s winds 25 to 30 kt...becoming nw 20 to 25 kt. waves 4 ft.
showers.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 3/12/2026 2:46 AM America/New_York.
Valid through 3/12/2026 4:00 PM America/New_York.
fzus51 klwx 120646
cwflwx
expires:202603122000;;060615
coastal waters forecast
national weather service baltimore md/washington dc
246 am edt thu mar 12 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.
anz535-122000-
tidal potomac from key bridge to indian head-
246 am edt thu mar 12 2026
...small craft advisory in effect through this evening...
...small craft advisory in effect from friday morning through late
friday night...
.overnight...sw winds 10 to 15 kt. gusts up to 30 kt late. waves
1 ft. a slight chance of rain.
.thu...nw winds 10 to 15 kt. gusts up to 30 kt... diminishing to
20 kt late. waves 1 to 2 ft. rain and snow. vsby 1 nm or less.
.thu night...w winds 5 to 10 kt. gusts up to 20 kt in the evening.
waves 1 ft.
.fri...s winds 10 to 15 kt. gusts up to 20 kt... increasing to 30 kt
in the afternoon. waves 1 to 2 ft.
.fri night...sw winds 10 to 15 kt. gusts up to 30 kt...diminishing
to 20 kt after midnight. waves 1 ft.
.sat...nw winds 5 to 10 kt. waves 1 ft.
.sat night...e winds around 5 kt. waves 1 ft.
.sun...se winds 15 to 20 kt. waves 1 to 2 ft. a chance of showers in
the evening. showers likely after midnight.
.mon...s winds 15 to 20 kt...becoming nw. waves 1 to 2 ft. showers.
a chance of showers after midnight.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 3/12/2026 2:46 AM America/New_York.
Valid through 3/12/2026 4:00 PM America/New_York.
fzus51 klwx 120646
cwflwx
expires:202603122000;;060616
coastal waters forecast
national weather service baltimore md/washington dc
246 am edt thu mar 12 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-122000-
tidal potomac from indian head to cobb island-
246 am edt thu mar 12 2026
...small craft advisory in effect through this evening...
...small craft advisory in effect from friday morning through late
friday night...
.overnight...sw winds 10 kt with gusts to 25 kt. waves 1 ft. a
slight chance of rain.
.thu...nw winds 15 to 20 kt with gusts to 30 kt... diminishing to
10 kt with gusts to 20 kt late. waves 2 to 3 ft. rain and snow. vsby
1 nm or less.
.thu night...w winds 5 to 10 kt. gusts up to 20 kt in the evening.
waves 1 ft.
.fri...s winds 15 to 20 kt. gusts up to 20 kt... increasing to 30 kt
in the afternoon. waves 1 to 2 ft.
.fri night...sw winds 15 to 20 kt. gusts up to 30 kt...diminishing
to 20 kt after midnight. waves 2 ft.
.sat...nw winds 5 to 10 kt. waves 1 ft.
.sat night...e winds 5 kt. waves less than 1 ft.
.sun...se winds 20 to 25 kt. waves 1 to 2 ft. a chance of showers in
the evening. showers likely after midnight.
.mon...s winds 25 to 30 kt...becoming nw 20 to 25 kt. waves 2 to
3 ft. showers. a chance of showers after midnight.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 3/12/2026 2:46 AM America/New_York.
Valid through 3/12/2026 4:00 PM America/New_York.
fzus51 klwx 120646
cwflwx
expires:202603122000;;060617
coastal waters forecast
national weather service baltimore md/washington dc
246 am edt thu mar 12 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.
anz537-122000-
tidal potomac from cobb island to smith point-
246 am edt thu mar 12 2026
...small craft advisory in effect through this evening...
...small craft advisory in effect from friday morning through late
friday night...
.overnight...sw winds 15 kt with gusts to 20 kt. waves 2 ft. a
slight chance of rain.
.thu...w winds 15 to 20 kt...becoming nw 20 to 25 kt in the late
morning and early afternoon, then diminishing to 10 to 15 kt late.
gusts up to 30 kt. waves 3 ft. rain and snow. vsby 1 nm or less.
.thu night...nw winds 5 to 10 kt. gusts up to 20 kt until early
morning. waves 1 to 2 ft.
.fri...s winds 5 to 10 kt...increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. waves 1 ft...building to 3 ft in the
afternoon.
.fri night...sw winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft.
.sat...nw winds 5 to 10 kt. waves 1 ft.
.sat night...e winds 5 to 10 kt. waves 1 ft.
.sun...se winds 20 to 25 kt. waves 2 to 3 ft. a chance of showers in
the evening. showers likely after midnight.
.mon...s winds 25 to 30 kt...becoming nw 20 to 25 kt. waves 3 ft.
showers.
$$
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