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HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
438 AM EDT TUE MAY 12 2026
MIZ047>049-053>055-060>063-068>070-075-076-082-083-130845-
MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-SHIAWASSEE-GENESEE-LAPEER-
ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE-LENAWEE-MONROE-
438 AM EDT TUE MAY 12 2026
THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST MICHIGAN.
DAY ONE
TODAY AND TONIGHT
A STRAY RUMBLE OF THUNDER ACCOMPANIES INCREASING COVERAGE OF SHOWERS
THIS AFTERNOON, MAINLY TOWARD THE TRI CITIES. THERE IS A CHANCE OF
THUNDERSTORMS ALL AREAS TONIGHT UNTIL ABOUT 3 AM. THE STRONGEST
STORMS WILL BE CAPABLE OF PEA SIZE HAIL AND 40 MPH WIND GUSTS WHILE
MOVING WEST TO EAST AT 35 MPH.
DAYS TWO THROUGH SEVEN
WEDNESDAY THROUGH MONDAY
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.
LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-130845-
LAKE ST CLAIR-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND 5NM
OFF SHORE-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF SHORE-
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER SAGINAW
BAY-INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
PORT AUSTIN TO HARBOR BEACH MI-HARBOR BEACH TO PORT SANILAC MI-
PORT SANILAC TO PORT HURON MI-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
438 AM EDT TUE MAY 12 2026
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE ERIE, LAKE
HURON AND LAKE ST CLAIR.
DAY ONE
TODAY AND TONIGHT
SMALL CRAFT ADVISORIES TAKE EFFECT THIS AFTERNOON AND CONTINUE
THROUGH TONIGHT FOR ALL MARINE AREAS. PLEASE SEE THE LATEST MARINE
FORECASTS FOR DETAILS.
A STRAY RUMBLE OF THUNDER ACCOMPANIES INCREASING COVERAGE OF SHOWERS
THIS AFTERNOON, MAINLY TOWARD SAGINAW BAY. THERE IS A CHANCE OF
THUNDERSTORMS ALL AREAS TONIGHT UNTIL ABOUT 3 AM. THE STRONGEST
STORMS WILL BE CAPABLE OF PEA SIZE HAIL AND 30 KNOT WIND GUSTS WHILE
MOVING WEST TO EAST AT 25 KNOTS.
DAYS TWO THROUGH SEVEN
WEDNESDAY THROUGH MONDAY
SMALL CRAFT ADVISORIES REMAIN IN EFFECT WEDNESDAY AND WEDNESDAY
EVENING FOR ALL MARINE AREAS. PLEASE SEE THE LATEST MARINE FORECASTS
FOR DETAILS.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.
YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE
AT WWW.WEATHER.GOV/DETROIT.
BT
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