WHUS53 KDTX 212304 SMWDTX LHZ441-442-462-463-220030- /O.NEW.KDTX.MA.W.0011.130521T2304Z-130522T0030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 704 PM EDT TUE MAY 21 2013 THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A * SPECIAL MARINE WARNING FOR... NEARSHORE AND OPEN WATERS FROM HARBOR BEACH TO PORT SANILAC MI... * UNTIL 830 PM EDT * AT 701 PM EDT...DOPPLER RADAR INDICATED A THUNDERSTORM...CAPABLE OF PRODUCING DANGEROUS WINDS IN EXCESS OF 50 KNOTS AND LARGE HAIL 14 NM WEST OF WHITE ROCK...MOVING EAST AT 35 KNOTS. * THIS SEVERE THUNDERSTORM WILL BE NEAR... NEARSHORE WATERS FROM HARBOR BEACH TO PORT SANILAC MI AROUND 720 PM EDT. LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM AROUND 730 PM EDT. LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM AROUND 740 PM EDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... MARINERS CAN EXPECT DANGEROUS WINDS IN EXCESS OF 50 KNOTS...LARGE HAIL...HIGH WAVES...DANGEROUS LIGHTNING...AND HEAVY RAINS. BOATERS SHOULD SEEK SAFE HARBOR IMMEDIATELY...UNTIL THIS STORM PASSES. && LAT...LON 4356 8259 4378 8262 4390 8268 4412 8224 4359 8212 TIME...MOT...LOC 2304Z 253DEG 37KT 4366 8288 WIND...HAIL 50KTS >.75IN $$ SC