830 WHUS73 KDTX 201958 MWWDTX URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 358 PM EDT SAT MAY 20 2017 ...ELEVATED WINDS AND WAVES CONTINUE FOR PORTIONS OF THE GREAT LAKES... .HIGH PRESSURE OVER THE EASTERN GREAT LAKES AND LOW PRESSURE OVER THE MIDWEST WILL COMBINE TO SUPPORT CONTINUED MODERATE EASTERLY WIND EARLY TONIGHT. SMALL CRAFT ADVISORIES REMAIN IN EFFECT THROUGH THE EVENING BEFORE A WEAKENING AND VEERING WIND TREND DEVELOPS OVERNIGHT. THIS WILL SHIFT STRONGER WIND OVER NORTH SECTIONS OF LAKE HURON THROUGH SUNDAY AS A WEAK COLD FRONT MOVES THROUGH THE REGION. SOUTHWEST FLOW WILL THEN STRENGTHEN DURING MONDAY AS LOW PRESSURE STALLS AND DEEPENS NORTH OF LAKE SUPERIOR. THIS WILL LIKELY PRODUCE WIND EXCEEDING SMALL CRAFT ADVISORY LEVELS ON SAGINAW BAY BEFORE DIMINISHING MONDAY NIGHT. THE MIDDLE OF THE WEEK LOOKS UNSETTLED IN TERMS OF RAIN AS ANOTHER LOW PRESSURE SYSTEM DEVELOPS OVER MISSOURI TUESDAY AND MOVES INTO LOWER MICHIGAN WEDNESDAY. LHZ421-422-441-210200- /O.EXT.KDTX.SC.Y.0038.000000T0000Z-170521T0200Z/ 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- 358 PM EDT SAT MAY 20 2017 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM EDT THIS EVENING... THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 10 PM EDT THIS EVENING. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 21 KNOTS FROM THE EAST WITH GUSTS UP TO 29 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 4 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 5 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 5 PM EDT SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 5 PM EDT SATURDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ LEZ444-210200- /O.CON.KDTX.SC.Y.0039.000000T0000Z-170521T0200Z/ MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI- 358 PM EDT SAT MAY 20 2017 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING... * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 24 KNOTS FROM THE EAST WITH GUSTS UP TO 27 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 3 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 4 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 8 PM EDT SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 7 PM EDT SATURDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ HLO