(1/4)
Latest Coastal Waters Forecast by KLWX
Issued 7/20/2026 2:27 AM America/New_York.
Valid through 7/20/2026 4:00 PM America/New_York.
fzus51 klwx 200627
cwflwx
expires:202607202000;;273738
coastal waters forecast
national weather service baltimore md/washington dc
227 am edt mon jul 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.
anz530-202000-
chesapeake bay north of pooles island-
227 am edt mon jul 20 2026
.overnight...ne winds 5 kt. waves flat.
.mon...e winds around 5 kt. waves 1 ft or less.
.mon night...se winds 10 to 15 kt. waves 1 ft. a chance of showers.
.tue...s winds 5 to 10 kt with gusts to 20 kt. waves 1 ft. showers
with tstms likely.
.tue night...sw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers with a chance of tstms.
.wed...w winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. a chance
of showers and tstms.
.wed night...nw winds 5 to 10 kt. waves 1 ft.
.thu...n winds 5 to 10 kt. waves 1 ft or less.
.fri...e winds around 5 kt. waves flat.
winds and waves higher and visibilities lower in and near tstms.
$$
(2/4)
Latest Coastal Waters Forecast by KLWX
Issued 7/20/2026 2:27 AM America/New_York.
Valid through 7/20/2026 4:00 PM America/New_York.
fzus51 klwx 200627
cwflwx
expires:202607202000;;273739
coastal waters forecast
national weather service baltimore md/washington dc
227 am edt mon jul 20 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz531-202000-
chesapeake bay from pooles island to sandy point-
227 am edt mon jul 20 2026
...small craft advisory in effect from this evening through late
tonight...
.overnight...ne winds 5 to 10 kt. waves 1 ft or less.
.mon...e winds 5 to 10 kt...becoming s late. waves 1 ft.
.mon night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers likely.
.tue...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
showers with tstms likely.
.tue night...sw winds 15 to 20 kt with gusts to 25 kt. waves 2 ft.
showers with a chance of tstms.
.wed...w winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. a
chance of showers and tstms.
.wed night...n winds 10 to 15 kt. waves 1 to 2 ft.
.thu...ne winds 10 to 15 kt...diminishing to around 5 kt after
midnight. waves 1 to 2 ft...subsiding to flat after midnight.
.fri...e winds around 5 kt. waves 1 ft or less.
winds and waves higher and visibilities lower in and near tstms.
$$
(3/4)
Latest Coastal Waters Forecast by KLWX
Issued 7/20/2026 2:27 AM America/New_York.
Valid through 7/20/2026 4:00 PM America/New_York.
fzus51 klwx 200627
cwflwx
expires:202607202000;;273742
coastal waters forecast
national weather service baltimore md/washington dc
227 am edt mon jul 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-
227 am edt mon jul 20 2026
...small craft advisory in effect from this evening through late
tonight...
.overnight...ne winds 5 kt. waves less than 1 ft.
.mon...e winds 5 to 10 kt...becoming se late. waves 1 ft.
.mon night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers likely with a chance of tstms.
.tue...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. showers
and tstms likely.
.tue night...sw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
showers with a chance of tstms.
.wed...w winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
showers likely.
.wed night...nw winds 10 to 15 kt. waves 1 to 2 ft.
.thu...ne winds 10 to 15 kt...diminishing to 5 kt after midnight.
waves 1 to 2 ft.
.fri...e winds 5 kt. waves less than 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(4/4)
Latest Coastal Waters Forecast by KLWX
Issued 7/20/2026 2:27 AM America/New_York.
Valid through 7/20/2026 4:00 PM America/New_York.
fzus51 klwx 200627
cwflwx
expires:202607202000;;273744
coastal waters forecast
national weather service baltimore md/washington dc
227 am edt mon jul 20 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz533-202000-
chesapeake bay from north beach to drum point-
227 am edt mon jul 20 2026
...small craft advisory in effect from this evening through late
tonight...
.overnight...ne winds 5 kt. waves less than 1 ft.
.mon...e winds 5 to 10 kt. waves 1 ft.
.mon night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers likely with a chance of tstms.
.tue...s winds 10 to 15 kt. gusts up to 25 kt in the afternoon.
waves 1 to 2 ft. showers and tstms likely.
.tue night...sw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
showers with a chance of tstms.
.wed...w winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. showers
with a chance of tstms.
.wed night...nw winds 10 to 15 kt. gusts up to 20 kt. waves 1 to
2 ft.
.thu...ne winds 10 to 15 kt...diminishing to 5 kt after midnight.
waves 1 to 2 ft.
.fri...e winds around 5 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
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