(1/4)
Latest Coastal Waters Forecast by KLWX
Issued 5/12/2026 2:28 AM America/New_York.
Valid through 5/12/2026 4:00 PM America/New_York.
fzus51 klwx 120628
cwflwx
expires:202605122000;;420828
coastal waters forecast
national weather service baltimore md/washington dc
228 am edt tue may 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.
anz530-122000-
chesapeake bay north of pooles island-
228 am edt tue may 12 2026
...small craft advisory in effect from late tonight through
wednesday afternoon...
.overnight...n winds 10 kt. waves 1 ft.
.tue...n winds 5 to 10 kt...becoming s late. waves 1 ft or less.
.tue night...s winds 10 to 15 kt with gusts to 20 kt. waves 1 ft.
.wed...s winds 15 to 20 kt with gusts to 30 kt. waves 2 ft. a chance
of showers.
.wed night...s winds 10 to 15 kt with gusts to 25 kt...becoming sw
5 to 10 kt after midnight. waves 1 to 2 ft. showers.
.thu...nw winds 5 to 10 kt with gusts to 20 kt. waves 1 ft.
.thu night...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft.
.fri...nw winds 10 to 15 kt...becoming w around 5 kt after midnight.
waves 1 ft or less.
.sat...sw winds 5 to 10 kt. waves 1 ft or less.
$$
(2/4)
Latest Coastal Waters Forecast by KLWX
Issued 5/12/2026 2:28 AM America/New_York.
Valid through 5/12/2026 4:00 PM America/New_York.
fzus51 klwx 120628
cwflwx
expires:202605122000;;420829
coastal waters forecast
national weather service baltimore md/washington dc
228 am edt tue may 12 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz531-122000-
chesapeake bay from pooles island to sandy point-
228 am edt tue may 12 2026
...small craft advisory in effect from this evening through
wednesday afternoon...
.overnight...nw winds 10 kt...becoming n late. waves 1 ft.
.tue...ne winds 5 to 10 kt...becoming se late. waves 1 to 2 ft.
.tue night...s winds 15 to 20 kt with gusts to 25 kt. waves 1 ft...
building to 3 ft after midnight.
.wed...s winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. a chance
of showers.
.wed night...s winds 15 to 20 kt with gusts to 25 kt...becoming sw
10 to 15 kt after midnight. waves 2 to 3 ft. showers with a chance
of tstms.
.thu...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
.thu night...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.fri...nw winds 10 to 15 kt...becoming w around 5 kt after midnight.
waves 1 to 2 ft...subsiding to flat after midnight.
.sat...sw winds 5 to 10 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(3/4)
Latest Coastal Waters Forecast by KLWX
Issued 5/12/2026 2:28 AM America/New_York.
Valid through 5/12/2026 4:00 PM America/New_York.
fzus51 klwx 120628
cwflwx
expires:202605122000;;420832
coastal waters forecast
national weather service baltimore md/washington dc
228 am edt tue may 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-
228 am edt tue may 12 2026
...small craft advisory in effect from this evening through
wednesday afternoon...
.overnight...nw winds 10 kt. waves 1 ft.
.tue...ne winds 10 to 15 kt...becoming e 5 to 10 kt in the
afternoon. waves 1 ft.
.tue night...s winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft.
.wed...s winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. a chance
of showers.
.wed night...s winds 15 to 20 kt with gusts to 25 kt...becoming sw
10 to 15 kt after midnight. waves 2 to 3 ft. showers with a chance
of tstms.
.thu...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
.thu night...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.fri...nw winds 10 to 15 kt...becoming w 5 kt. waves 1 to 2 ft...
subsiding to flat after midnight.
.sat...sw winds 5 to 10 kt. waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
$$
(4/4)
Latest Coastal Waters Forecast by KLWX
Issued 5/12/2026 2:28 AM America/New_York.
Valid through 5/12/2026 4:00 PM America/New_York.
fzus51 klwx 120628
cwflwx
expires:202605122000;;420834
coastal waters forecast
national weather service baltimore md/washington dc
228 am edt tue may 12 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz533-122000-
chesapeake bay from north beach to drum point-
228 am edt tue may 12 2026
...small craft advisory in effect from this evening through
wednesday afternoon...
.overnight...w winds 10 kt. waves 1 ft.
.tue...n winds 10 to 15 kt...diminishing to around 5 kt early in the
afternoon, then becoming se late. waves 1 to 2 ft.
.tue night...s winds 15 to 20 kt. waves 2 to 3 ft.
.wed...s winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
.wed night...s winds 15 to 20 kt...becoming sw 10 to 15 kt after
midnight. gusts up to 25 kt. waves 2 to 3 ft. showers with a chance
of tstms.
.thu...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.thu night...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.fri...nw winds 15 to 20 kt...becoming w around 5 kt. waves 1 to
2 ft...subsiding to flat after midnight.
.sat...sw winds 5 to 10 kt. waves 1 ft or less.
winds and waves higher and visibilities lower in and near tstms.
$$
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