A Lakeshore Hazard statement went into effect at 9:00 a.m. today. Northerly winds are expected to increase this afternoon — steady at 20-21 mph with gusts picking up after 8:00 p.m. at about 32 mph on the lakeshore. Large waves are expected with the strong northerly winds. The waves are expected to result in dangerous conditions for swimming in Lake Michigan and at the beach.
Winds in Arlington Heights are expected to hold steady at about 15 mph and drop to about 10 mph after 9:00 p.m. Gusts inland are only expected to reach about 22 mph this afternoon and evening.
Winds experienced will be gradually high in a specific time period on a trip toward the Lake Michigan shore. For example steady winds at 18 mph with gusts to 25 mph are expected in Skokie.
LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
448 AM CDT TUE JUL 23 2013
LAKE IL-COOK-LAKE IN-PORTER-
448 AM CDT TUE JUL 23 2013
…BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 9 AM CDT THIS
MORNING THROUGH WEDNESDAY AFTERNOON…
…UNSEASONABLY LARGE WAVES LIKELY THIS AFTERNOON THROUGH WEDNESDAY
MORNING…
* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.
* OVERVIEW…STRONG NORTHERLY WINDS WILL DEVELOP TODAY AND
CONTINUE INTO WEDNESDAY. WAVES WILL BUILD TO 10 TO 12 FT WITH
OCCASIONAL HIGHER WAVES POSSIBLE.
STRONG NORTHERLY WINDS BEHIND A UNSEASONABLY STRONG COLD FRONT
ARE EXPECTED TO DEVELOP TODAY AND CONTINUE INTO WEDNESDAY.
THE STRONG WINDS BLOWING DOWN THE FULL LENGTH OF THE LAKE AND
COOLER AIR MOVING OVER THE WARMER LAKE WATERS WILL RESULT IN
UNUSUALLY LARGE WAVES FOR SUMMER. CURRENT INDICATIONS ARE THAT
WAVES COULD BUILD UP TO 10 FT…OR POSSIBLY HIGHER…PARTICULARLY
FROM CHICAGO SOUTH INTO THE NORTHWEST INDIANA SHORE. THESE LARGE
WAVES WILL INUNDATE THE TYPICALLY LARGE WAVE VULNERABLE LOCATIONS
ALONG THE SHORE… INCLUDING A FEW SPOTS ALONG THE CHICAGO LAKE
FRONT BIKE PATH. DO NOT VENTURE OUT ONTO BREAK WALLS OR TOO CLOSE
TO THE BREAKING WAVES AS OCCASIONAL ROGUE WAVES COULD REACH UP TO
15 FT AND POTENTIALLY SWEEP YOU OUT INTO THE LAKE.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
DANGEROUS POUNDING WAVES AND LIFE-THREATENING RIP CURRENTS ARE
EXPECTED AT THE BEACHES. PEOPLE VISITING THE BEACHES SHOULD STAY
OUT OF THE WATER.
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