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(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 5/20/2026 10:57 AM America/New_York.
Valid through 5/20/2026 4:00 PM America/New_York.
fzus51 klwx 201457
cwflwx
expires:202605202000;;350188
coastal waters forecast
national weather service baltimore md/washington dc
1057 am edt wed may 20 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.
anz531-202000-
chesapeake bay from pooles island to sandy point-
1057 am edt wed may 20 2026
.rest of today...s winds 5 to 10 kt. waves 1 ft. showers likely with
a chance of tstms this afternoon.
.tonight...n winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms.
.thu...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. showers
likely.
.thu night...ne winds 5 to 10 kt. waves 1 ft. a chance of showers.
.fri...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. showers.
.fri night...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers.
.sat...e winds 10 to 15 kt. waves 1 to 2 ft. showers.
.sun...ne winds 5 to 10 kt. waves 1 ft. a chance of showers.
winds and waves higher and visibilities lower in and near tstms.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 5/20/2026 10:57 AM America/New_York.
Valid through 5/20/2026 4:00 PM America/New_York.
fzus51 klwx 201457
cwflwx
expires:202605202000;;350191
coastal waters forecast
national weather service baltimore md/washington dc
1057 am edt wed may 20 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-202000-
chesapeake bay from sandy point to north beach-
1057 am edt wed may 20 2026
.rest of today...s winds 5 to 10 kt. waves 1 to 2 ft. a chance of
showers with a slight chance of tstms this afternoon.
.tonight...n winds 5 to 10 kt. gusts up to 20 kt early in the
evening. waves 1 to 2 ft. showers likely with a chance of tstms.
.thu...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. showers
likely.
.thu night...ne winds 5 to 10 kt. waves 1 to 2 ft. showers likely.
.fri...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. showers.
.fri night...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers.
.sat...e winds 10 to 15 kt. waves 1 to 2 ft. showers.
.sun...ne winds 5 to 10 kt. waves 1 ft. a chance of showers.
winds and waves higher and visibilities lower in and near tstms.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 5/20/2026 10:57 AM America/New_York.
Valid through 5/20/2026 4:00 PM America/New_York.
fzus51 klwx 201457
cwflwx
expires:202605202000;;350193
coastal waters forecast
national weather service baltimore md/washington dc
1057 am edt wed may 20 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.
anz533-202000-
chesapeake bay from north beach to drum point-
1057 am edt wed may 20 2026
...small craft advisory in effect from 3 pm this afternoon to 8 pm
edt this evening...
.rest of today...s winds 5 to 10 kt...increasing to 15 kt with gusts
to 20 kt late. waves 1 to 2 ft. a chance of showers and tstms this
afternoon.
.tonight...ne winds 10 to 15 kt with gusts to 20 kt... becoming n in
the late evening and overnight. waves 1 to 2 ft. a chance of showers
and tstms.
.thu...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 to 3 ft.
showers likely.
.thu night...ne winds 10 kt with gusts to 20 kt. waves 2 ft. showers
likely.
.fri...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. showers.
.fri night...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers.
.sat...e winds 5 to 10 kt. waves 1 to 2 ft. showers through the day,
then showers likely through the night.
.sun...e winds 5 kt. waves less than 1 ft. a chance of showers.
winds and waves higher and visibilities lower in and near tstms.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 5/20/2026 10:57 AM America/New_York.
Valid through 5/20/2026 4:00 PM America/New_York.
fzus51 klwx 201457
cwflwx
expires:202605202000;;350196
coastal waters forecast
national weather service baltimore md/washington dc
1057 am edt wed may 20 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-202000-
chesapeake bay from drum point to smith point-
1057 am edt wed may 20 2026
...small craft advisory in effect from 3 pm this afternoon to 8 pm
edt this evening...
.rest of today...s winds 10 to 15 kt. gusts up to 25 kt. waves 1 to
2 ft...building to 3 ft late.
.tonight...se winds 10 to 15 kt with gusts to 25 kt... becoming ne
with gusts to 20 kt late in the evening, then becoming n 5 to 10 kt
after midnight. waves 3 ft...subsiding to 1 ft after midnight. a
chance of showers.
.thu...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of showers.
.thu night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of showers.
.fri...ne winds 15 kt with gusts to 20 kt. waves 3 ft. showers.
.fri night...e winds 10 to 15 kt with gusts to 20 kt. waves 2 to
3 ft. showers.
.sat...e winds 10 to 15 kt. waves 1 to 2 ft. showers through the
day, then showers likely with a chance of tstms through the night.
.sun...e winds 5 to 10 kt. waves 1 ft. a chance of showers.
winds and waves higher and visibilities lower in and near tstms.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 5/20/2026 10:57 AM America/New_York.
Valid through 5/20/2026 4:00 PM America/New_York.
fzus51 klwx 201457
cwflwx
expires:202605202000;;350184
coastal waters forecast
national weather service baltimore md/washington dc
1057 am edt wed may 20 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.
anz535-202000-
tidal potomac from key bridge to indian head-
1057 am edt wed may 20 2026
.rest of today...sw winds 5 kt. waves less than 1 ft. showers likely
with a chance of tstms this afternoon.
.tonight...n winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms.
.thu...ne winds 5 to 10 kt. waves 1 ft. showers likely.
.thu night...ne winds 5 to 10 kt. waves 1 ft. showers likely.
.fri...ne winds 5 to 10 kt. waves 1 ft. showers.
.fri night...e winds 5 to 10 kt. waves 1 ft. showers.
.sat...e winds 5 to 10 kt. waves 1 ft. showers.
.sun...e winds around 5 kt. waves 1 ft. a chance of showers.
winds and waves higher and visibilities lower in and near tstms.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 5/20/2026 10:57 AM America/New_York.
Valid through 5/20/2026 4:00 PM America/New_York.
fzus51 klwx 201457
cwflwx
expires:202605202000;;350185
coastal waters forecast
national weather service baltimore md/washington dc
1057 am edt wed may 20 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-202000-
tidal potomac from indian head to cobb island-
1057 am edt wed may 20 2026
.rest of today...s winds 5 to 10 kt. waves 1 ft. a chance of showers
with a slight chance of tstms this afternoon.
.tonight...n winds 5 to 10 kt. gusts up to 20 kt early in the
evening. waves 1 ft. a chance of showers and tstms.
.thu...ne winds 5 to 10 kt. waves 1 ft. showers likely.
.thu night...ne winds 5 to 10 kt. waves 1 ft. showers likely.
.fri...ne winds 5 to 10 kt. waves 1 ft. showers.
.fri night...ne winds 5 to 10 kt. waves 1 ft. showers likely.
.sat...ne winds around 5 kt. waves 1 ft. showers.
.sun...e winds around 5 kt. waves 1 ft. a chance of showers.
winds and waves higher and visibilities lower in and near tstms.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 5/20/2026 10:57 AM America/New_York.
Valid through 5/20/2026 4:00 PM America/New_York.
fzus51 klwx 201457
cwflwx
expires:202605202000;;350186
coastal waters forecast
national weather service baltimore md/washington dc
1057 am edt wed may 20 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.
anz537-202000-
tidal potomac from cobb island to smith point-
1057 am edt wed may 20 2026
...small craft advisory in effect from 3 pm this afternoon to 8 pm
edt this evening...
.rest of today...sw winds 5 kt...becoming s with gusts to 20 kt this
afternoon. waves 1 to 2 ft. a slight chance of showers this
afternoon.
.tonight...ne winds 5 to 10 kt with gusts to 20 kt... becoming n
after midnight. waves 1 to 2 ft. a chance of showers.
.thu...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of showers.
.thu night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers.
.fri...e winds 10 to 15 kt with gusts to 20 kt. waves 2 to 3 ft.
showers.
.fri night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 to
3 ft. showers likely.
.sat...e winds 5 to 10 kt. waves 1 to 2 ft. showers likely. a chance
of tstms through the night.
.sun...e winds 5 kt. waves less than 1 ft. a chance of showers.
winds and waves higher and visibilities lower in and near tstms.
$$
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