Alert archive / Michigan / Gale Warnings in 2017
Gale Warning 19, NWS Detroit, MI
NWS Detroit, MI issued this gale warning at Apr 5, 2017, 4:05 PM EDT. It took effect at Apr 6, 2017, 4:00 PM EDT. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 5, 2017, 4:05 PM EDT (20:05 UTC)
- In effect from
- Apr 6, 2017, 4:00 PM EDT
- Expired
- Apr 7, 2017, 3:47 AM EDT
- In force
- 12 hr
- Issued by
- NWS Detroit, MI
The text
As transmitted.
774 WHUS73 KDTX 052005 MWWDTX URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 405 PM EDT WED APR 5 2017 ...STRONG GALE EVENT WITH STORM FORCE POSSIBLE LATE TONIGHT THROUGH FRIDAY MORNING... .THE FOCUS FOR MARINE WEATHER REMAINS SQUARELY ON THE POWERFUL EARLY SPRING LOW PRESSURE SYSTEM THAT IS EXPECTED TO TRACK THROUGH THE CENTRAL GREAT LAKES ON THURSDAY. THE TRACK OF THE LOW REMAINS AN OPTIMAL FOR HIGHEST IMPACTS TO BE OBSERVED OVER THE CENTRAL LAKE HURON BASIN INCLUDING SAGINAW BAY. GALE WARNINGS ARE NOW IN EFFECT FOR ALL MARINE ZONES INCLUDING LAKE ST CLAIR AND THE MICHIGAN WATERS OF LAKE HURON. STORM FORCE WINDS REMAIN POSSIBLE OVER THE CENTRAL LAKE HURON WATERS WITH A LONG FETCH OFF OF GEORGIAN BAY. A STORM WATCH REMAINS IN EFFECT. THE STRONGEST WINDS, OF UP TO 50 KNOTS, ARE FORECASTED TO OCCUR BETWEEN 12Z THURSDAY THROUGH APPROXIMATELY 14Z FRIDAY MORNING. LATEST INDICATIONS ARE THAT SIGNIFICANT WAVE HEIGHTS WILL BUILD BETWEEN 14 AND 17 FEET OVER MUCH OF THE SOUTHERN LAKE HURON BASIN. LEZ444-060815- /O.CON.KDTX.SC.Y.0026.000000T0000Z-170406T0200Z/ /O.UPG.KDTX.GL.A.0017.170406T1800Z-170407T1500Z/ /O.NEW.KDTX.GL.W.0019.170406T2000Z-170407T1400Z/ MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI- 405 PM EDT WED APR 5 2017 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING... ...GALE WARNING IN EFFECT FROM 4 PM THURSDAY TO 10 AM EDT FRIDAY... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE WARNING...WHICH IS IN EFFECT FROM 4 PM THURSDAY TO 10 AM EDT FRIDAY. * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 29 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 42 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 8 PM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 9 PM EDT THURSDAY. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 23 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 29 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 9 PM EDT WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 9 PM EDT WEDNESDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. 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. && $$ LCZ460-060815- /O.UPG.KDTX.GL.A.0017.170406T1800Z-170407T1500Z/ /O.NEW.KDTX.GL.W.0019.170406T2000Z-170407T1400Z/ LAKE ST. CLAIR- 405 PM EDT WED APR 5 2017 ...GALE WARNING IN EFFECT FROM 4 PM THURSDAY TO 10 AM EDT FRIDAY... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE WARNING...WHICH IS IN EFFECT FROM 4 PM THURSDAY TO 10 AM EDT FRIDAY. * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 33 KNOTS FROM THE NORTH WITH GUSTS UP TO 44 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 3 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 4 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 8 PM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 8 PM EDT THURSDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ LHZ361-060815- /O.EXB.KDTX.GL.W.0018.170406T0800Z-170407T1400Z/ /O.UPG.KDTX.GL.A.0017.170406T1200Z-170407T1500Z/ LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT BEYOND 5 NM OFF SHORE- 405 PM EDT WED APR 5 2017 ...GALE WARNING IN EFFECT FROM 4 AM THURSDAY TO 10 AM EDT FRIDAY... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE WARNING...WHICH IS IN EFFECT FROM 4 AM THURSDAY TO 10 AM EDT FRIDAY. * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 31 KNOTS FROM THE NORTH WITH GUSTS UP TO 42 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 8 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 11 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 7 PM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 1 PM EDT THURSDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ LHZ421-422-060815- /O.EXT.KDTX.GL.W.0018.170406T0000Z-170406T0800Z/ /O.EXT.KDTX.SR.A.0001.170406T0800Z-170407T0200Z/ OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER SAGINAW BAY-INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI- 405 PM EDT WED APR 5 2017 ...GALE WARNING NOW IN EFFECT FROM 8 PM THIS EVENING TO 4 AM EDT THURSDAY... ...STORM WATCH NOW IN EFFECT FROM 4 AM EDT THURSDAY THROUGH THURSDAY EVENING... THE GALE WARNING IS NOW IN EFFECT FROM 8 PM THIS EVENING TO 4 AM EDT THURSDAY. * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 33 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 45 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 8 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 11 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 3 AM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 3 AM EDT THURSDAY. THE STORM WATCH IS NOW IN EFFECT FROM 4 AM EDT THURSDAY THROUGH THURSDAY EVENING. * WIND AND WAVES: DURING THE STORM WATCH...EXPECT SUSTAINED WINDS UP TO 40 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 48 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 16 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 23 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 8 AM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 12 PM EDT THURSDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. A STORM WATCH IS ISSUED WHEN THE RISK OF STORM FORCE WINDS OF 48 TO 63 KNOTS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER ALTERING THEIR PLANS. && $$ LHZ362-363-441-442-462-463-060815- /O.EXT.KDTX.GL.W.0018.170406T0000Z-170406T0800Z/ /O.EXT.KDTX.SR.A.0001.170406T0800Z-170407T1400Z/ 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-PORT AUSTIN TO HARBOR BEACH MI- HARBOR BEACH TO PORT SANILAC 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- 405 PM EDT WED APR 5 2017 ...GALE WARNING NOW IN EFFECT FROM 8 PM THIS EVENING TO 4 AM EDT THURSDAY... ...STORM WATCH NOW IN EFFECT FROM 4 AM EDT THURSDAY THROUGH FRIDAY MORNING... THE GALE WARNING IS NOW IN EFFECT FROM 8 PM THIS EVENING TO 4 AM EDT THURSDAY. * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 33 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 45 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 8 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 11 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 3 AM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 3 AM EDT THURSDAY. THE STORM WATCH IS NOW IN EFFECT FROM 4 AM EDT THURSDAY THROUGH FRIDAY MORNING. * WIND AND WAVES: DURING THE STORM WATCH...EXPECT SUSTAINED WINDS UP TO 39 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 49 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 17 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 24 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 11 AM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 6 AM EDT FRIDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. A STORM WATCH IS ISSUED WHEN THE RISK OF STORM FORCE WINDS OF 48 TO 63 KNOTS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER ALTERING THEIR PLANS. && $$ LHZ443-464-060815- /O.EXT.KDTX.SR.A.0001.170406T0800Z-170407T1400Z/ PORT SANILAC TO PORT HURON MI- LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE- 405 PM EDT WED APR 5 2017 ...STORM WATCH NOW IN EFFECT FROM 4 AM EDT THURSDAY THROUGH FRIDAY MORNING... THE STORM WATCH IS NOW IN EFFECT FROM 4 AM EDT THURSDAY THROUGH FRIDAY MORNING. * WIND AND WAVES: DURING THE STORM WATCH...EXPECT SUSTAINED WINDS UP TO 36 KNOTS FROM THE NORTH WITH GUSTS UP TO 48 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 16 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 23 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 10 PM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 5 AM EDT FRIDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A STORM WATCH IS ISSUED WHEN THE RISK OF STORM FORCE WINDS OF 48 TO 63 KNOTS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER ALTERING THEIR PLANS. && $$ CB
6 follow-up statements
873 WHUS73 KDTX 060803 MWWDTX URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 403 AM EDT THU APR 6 2017 ...GALES TODAY THROUGH FRIDAY MORNING... ...STORMS TONIGHT OVER CENTRAL AND SOUTHERN LAKE HURON... .A POWERFUL EARLY SPRING LOW PRESSURE SYSTEM REMAINS SET TO IMPACT THE GREAT LAKES TODAY THROUGH FRIDAY. THE PRIMARY FORECAST ADJUSTMENT IS TO ISSUE THE STORM WARNING FOR CENTRAL AND SOUTHERN LAKE HURON TONIGHT AS COLDER AIR MOVES IN THROUGH THE LOW LEVELS AND BUILDS ENOUGH INSTABILITY OVER THE WATER FOR FREQUENT 50 KNOT GUSTS. GALE WARNINGS REMAIN IN EFFECT FOR ALL OTHER MARINE ZONES INCLUDING LAKE ST CLAIR AND THE MICHIGAN WATERS OF LAKE HURON. THE STRONGEST WINDS, OF UP TO 50 KNOTS, ARE FORECASTED TO OCCUR BETWEEN 00Z TONIGHT THROUGH APPROXIMATELY 14Z FRIDAY MORNING AS DIRECTION BACKS TOWARD THE NORTH AND PULLS COLDER AIR SOUTHWARD. LATEST INDICATIONS ARE THAT SIGNIFICANT WAVE HEIGHTS WILL BUILD BETWEEN 14 AND 17 FEET OVER MUCH OF THE SOUTHERN LAKE HURON BASIN WITH MAX WAVES 20 TO 25 FEET POSSIBLE. LHZ422-062045- /O.EXT.KDTX.GL.W.0018.000000T0000Z-170407T1400Z/ /O.CAN.KDTX.SR.A.0001.000000T0000Z-170407T0200Z/ INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI- 403 AM EDT THU APR 6 2017 ...GALE WARNING NOW IN EFFECT UNTIL 10 AM EDT FRIDAY... ...STORM WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE STORM WATCH. THE GALE WARNING IS NOW IN EFFECT UNTIL 10 AM EDT FRIDAY. * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 39 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 45 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 7 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 10 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 8 AM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 9 AM EDT THURSDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ LHZ362-363-441-442-462-463-062045- /O.EXT.KDTX.GL.W.0018.000000T0000Z-170407T0000Z/ /O.UPG.KDTX.SR.A.0001.000000T0000Z-170407T1400Z/ /O.NEW.KDTX.SR.W.0003.170407T0000Z-170407T1400Z/ 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-PORT AUSTIN TO HARBOR BEACH MI- HARBOR BEACH TO PORT SANILAC 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- 403 AM EDT THU APR 6 2017 ...GALE WARNING NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...STORM WARNING IN EFFECT FROM 8 PM THIS EVENING TO 10 AM EDT FRIDAY... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A STORM WARNING...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 10 AM EDT FRIDAY. * WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED WINDS UP TO 37 KNOTS FROM THE NORTH WITH GUSTS UP TO 50 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 17 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 24 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 8 PM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 6 AM EDT FRIDAY. THE GALE WARNING IS NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING. * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 37 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 47 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 17 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 24 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 11 AM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 12 PM EDT THURSDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR OCCURING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS AND WAVES SUBSIDE. A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ LHZ421-062045- /O.EXT.KDTX.GL.W.0018.000000T0000Z-170407T0000Z/ /O.UPG.KDTX.SR.A.0001.000000T0000Z-170407T0200Z/ /O.NEW.KDTX.SR.W.0003.170407T0000Z-170407T1400Z/ OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER SAGINAW BAY- 403 AM EDT THU APR 6 2017 ...GALE WARNING NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...STORM WARNING IN EFFECT FROM 8 PM THIS EVENING TO 10 AM EDT FRIDAY... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A STORM WARNING...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 10 AM EDT FRIDAY. * WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED WINDS UP TO 37 KNOTS FROM THE NORTH WITH GUSTS UP TO 48 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 15 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 22 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 8 PM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 9 PM EDT THURSDAY. THE GALE WARNING IS NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING. * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 37 KNOTS FROM THE NORTH WITH GUSTS UP TO 45 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 16 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 23 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 10 AM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 12 PM EDT THURSDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR OCCURING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS AND WAVES SUBSIDE. A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ LHZ443-464-062045- /O.UPG.KDTX.SR.A.0001.000000T0000Z-170407T1400Z/ /O.NEW.KDTX.SR.W.0003.170407T0000Z-170407T1400Z/ PORT SANILAC TO PORT HURON MI- LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE- 403 AM EDT THU APR 6 2017 ...STORM WARNING IN EFFECT FROM 8 PM THIS EVENING TO 10 AM EDT FRIDAY... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A STORM WARNING...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 10 AM EDT FRIDAY. * WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED WINDS UP TO 35 KNOTS FROM THE NORTH WITH GUSTS UP TO 50 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 16 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 23 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 8 PM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 12 AM EDT FRIDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR OCCURING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS AND WAVES SUBSIDE. && $$ LCZ460-LEZ444-062045- /O.CON.KDTX.GL.W.0019.170406T2000Z-170407T1400Z/ LAKE ST. CLAIR- MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI- 403 AM EDT THU APR 6 2017 ...GALE WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 10 AM EDT FRIDAY... * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 33 KNOTS FROM THE NORTH WITH GUSTS UP TO 44 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 8 PM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 8 PM EDT THURSDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ LHZ361-062045- /O.CON.KDTX.GL.W.0018.000000T0000Z-170407T1400Z/ LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT BEYOND 5 NM OFF SHORE- 403 AM EDT THU APR 6 2017 ...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT FRIDAY... * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 31 KNOTS FROM THE NORTH WITH GUSTS UP TO 42 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 8 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 11 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 8 PM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 8 PM EDT THURSDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ BT
220 WHUS73 KDTX 060811 MWWDTX URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 411 AM EDT THU APR 6 2017 ...STORM FORCE WINDS... .A POWERFUL EARLY SPRING LOW PRESSURE SYSTEM REMAINS SET TO IMPACT THE GREAT LAKES TODAY THROUGH FRIDAY. THE PRIMARY FORECAST ADJUSTMENT IS TO ISSUE THE STORM WARNING FOR CENTRAL AND SOUTHERN LAKE HURON TONIGHT AS COLDER AIR MOVES IN THROUGH THE LOW LEVELS AND BUILDS ENOUGH INSTABILITY OVER THE WATER FOR FREQUENT 50 KNOT GUSTS. GALE WARNINGS REMAIN IN EFFECT FOR ALL OTHER MARINE ZONES INCLUDING LAKE ST CLAIR AND THE MICHIGAN WATERS OF LAKE HURON. THE STRONGEST WINDS, OF UP TO 50 KNOTS, ARE FORECASTED TO OCCUR BETWEEN 00Z TONIGHT THROUGH APPROXIMATELY 14Z FRIDAY MORNING AS DIRECTION BACKS TOWARD THE NORTH AND PULLS COLDER AIR SOUTHWARD. LATEST INDICATIONS ARE THAT SIGNIFICANT WAVE HEIGHTS WILL BUILD BETWEEN 14 AND 17 FEET OVER MUCH OF THE SOUTHERN LAKE HURON BASIN WITH MAX WAVES 20 TO 25 FEET POSSIBLE. LHZ362-363-441-442-462-463-062015- /O.CON.KDTX.GL.W.0018.000000T0000Z-170407T0000Z/ /O.CON.KDTX.SR.W.0003.170407T0000Z-170407T1400Z/ 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-PORT AUSTIN TO HARBOR BEACH MI- HARBOR BEACH TO PORT SANILAC 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- 411 AM EDT THU APR 6 2017 ...GALE WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...STORM WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 10 AM EDT FRIDAY... * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 37 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 47 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 17 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 24 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 11 AM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 12 PM EDT THURSDAY. * WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED WINDS UP TO 37 KNOTS FROM THE NORTH WITH GUSTS UP TO 49 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 17 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 24 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 8 PM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 6 AM EDT FRIDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR OCCURING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS AND WAVES SUBSIDE. && $$ LHZ421-062015- /O.CON.KDTX.GL.W.0018.000000T0000Z-170407T0000Z/ /O.CON.KDTX.SR.W.0003.170407T0000Z-170407T1400Z/ OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER SAGINAW BAY- 411 AM EDT THU APR 6 2017 ...GALE WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...STORM WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 10 AM EDT FRIDAY... * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 37 KNOTS FROM THE NORTH WITH GUSTS UP TO 46 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 16 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 23 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 10 AM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 12 PM EDT THURSDAY. * WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED WINDS UP TO 37 KNOTS FROM THE NORTH WITH GUSTS UP TO 48 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 15 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 22 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 8 PM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 9 PM EDT THURSDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR OCCURING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS AND WAVES SUBSIDE. && $$ LCZ460-LEZ444-062015- /O.CON.KDTX.GL.W.0019.170406T2000Z-170407T1400Z/ LAKE ST. CLAIR- MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI- 411 AM EDT THU APR 6 2017 ...GALE WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 10 AM EDT FRIDAY... * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 33 KNOTS FROM THE NORTH WITH GUSTS UP TO 44 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 8 PM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 8 PM EDT THURSDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ LHZ422-062015- /O.CON.KDTX.GL.W.0018.000000T0000Z-170407T1400Z/ INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI- 411 AM EDT THU APR 6 2017 ...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT FRIDAY... * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 39 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 47 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 7 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 10 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 8 AM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 9 AM EDT THURSDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ LHZ361-062015- /O.CON.KDTX.GL.W.0018.000000T0000Z-170407T1400Z/ LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT BEYOND 5 NM OFF SHORE- 411 AM EDT THU APR 6 2017 ...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT FRIDAY... * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 31 KNOTS FROM THE NORTH WITH GUSTS UP TO 42 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 8 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 11 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 8 PM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 8 PM EDT THURSDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ LHZ443-464-062015- /O.CON.KDTX.SR.W.0003.170407T0000Z-170407T1400Z/ PORT SANILAC TO PORT HURON MI- LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE- 411 AM EDT THU APR 6 2017 ...STORM WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 10 AM EDT FRIDAY... * WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED WINDS UP TO 35 KNOTS FROM THE NORTH WITH GUSTS UP TO 49 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 16 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 23 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 8 PM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 12 AM EDT FRIDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR OCCURING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS AND WAVES SUBSIDE. && $$ DRC
930 WHUS73 KDTX 061223 MWWDTX URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 823 AM EDT THU APR 6 2017 ...GALES AND STORMS TODAY AND TONIGHT... .A POWERFUL EARLY SPRING LOW PRESSURE SYSTEM REMAINS SET TO IMPACT THE GREAT LAKES TODAY THROUGH FRIDAY. THE PRIMARY FORECAST ADJUSTMENT IS TO ISSUE THE STORM WARNING FOR CENTRAL AND SOUTHERN LAKE HURON TONIGHT AS COLDER AIR MOVES IN THROUGH THE LOW LEVELS AND BUILDS ENOUGH INSTABILITY OVER THE WATER FOR FREQUENT 50 KNOT GUSTS. GALE WARNINGS REMAIN IN EFFECT FOR ALL OTHER MARINE ZONES INCLUDING LAKE ST CLAIR AND THE MICHIGAN WATERS OF LAKE HURON. THE STRONGEST WINDS, OF UP TO 50 KNOTS, ARE FORECASTED TO OCCUR BETWEEN 00Z TONIGHT THROUGH APPROXIMATELY 14Z FRIDAY MORNING AS DIRECTION BACKS TOWARD THE NORTH AND PULLS COLDER AIR SOUTHWARD. LATEST INDICATIONS ARE THAT SIGNIFICANT WAVE HEIGHTS WILL BUILD BETWEEN 14 AND 17 FEET OVER MUCH OF THE SOUTHERN LAKE HURON BASIN WITH MAX WAVES 20 TO 25 FEET POSSIBLE. LHZ421-070030- /O.CAN.KDTX.GL.W.0018.000000T0000Z-170407T0000Z/ /O.EXT.KDTX.SR.W.0003.170406T1223Z-170407T1400Z/ OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER SAGINAW BAY- 823 AM EDT THU APR 6 2017 ...STORM WARNING NOW IN EFFECT UNTIL 10 AM EDT FRIDAY... ...GALE WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE GALE WARNING. THE STORM WARNING IS NOW IN EFFECT UNTIL 10 AM EDT FRIDAY. * WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED WINDS UP TO 37 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 48 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 16 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 23 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 10 AM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 12 PM EDT THURSDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR OCCURING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS AND WAVES SUBSIDE. && $$ LHZ422-070030- /O.UPG.KDTX.GL.W.0018.000000T0000Z-170407T1400Z/ /O.EXB.KDTX.SR.W.0003.170406T1223Z-170407T0400Z/ INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI- 823 AM EDT THU APR 6 2017 ...STORM WARNING IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A STORM WARNING...WHICH IS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT. * WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED WINDS UP TO 39 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 48 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 7 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 10 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 8 AM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 9 AM EDT THURSDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR OCCURING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS AND WAVES SUBSIDE. && $$ LHZ362-363-441-442-462-463-070030- /O.CON.KDTX.GL.W.0018.000000T0000Z-170407T0000Z/ /O.CON.KDTX.SR.W.0003.170407T0000Z-170407T1400Z/ 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-PORT AUSTIN TO HARBOR BEACH MI- HARBOR BEACH TO PORT SANILAC 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- 823 AM EDT THU APR 6 2017 ...GALE WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...STORM WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 10 AM EDT FRIDAY... * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 37 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 47 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 17 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 24 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 11 AM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 12 PM EDT THURSDAY. * WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED WINDS UP TO 37 KNOTS FROM THE NORTH WITH GUSTS UP TO 49 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 17 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 24 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 8 PM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 6 AM EDT FRIDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR OCCURING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS AND WAVES SUBSIDE. && $$ LCZ460-LEZ444-070030- /O.CON.KDTX.GL.W.0019.170406T2000Z-170407T1400Z/ LAKE ST. CLAIR- MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI- 823 AM EDT THU APR 6 2017 ...GALE WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 10 AM EDT FRIDAY... * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 33 KNOTS FROM THE NORTH WITH GUSTS UP TO 44 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 4 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 5 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 8 PM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 8 PM EDT THURSDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ LHZ361-070030- /O.CON.KDTX.GL.W.0018.000000T0000Z-170407T1400Z/ LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT BEYOND 5 NM OFF SHORE- 823 AM EDT THU APR 6 2017 ...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT FRIDAY... * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 31 KNOTS FROM THE NORTH WITH GUSTS UP TO 42 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 8 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 11 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 8 PM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 8 PM EDT THURSDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ LHZ443-464-070030- /O.CON.KDTX.SR.W.0003.170407T0000Z-170407T1400Z/ PORT SANILAC TO PORT HURON MI- LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE- 823 AM EDT THU APR 6 2017 ...STORM WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 10 AM EDT FRIDAY... * WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED WINDS UP TO 35 KNOTS FROM THE NORTH WITH GUSTS UP TO 49 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 16 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 23 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 8 PM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 12 AM EDT FRIDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR OCCURING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS AND WAVES SUBSIDE. && $$ SC
896 WHUS73 KDTX 061944 MWWDTX URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 344 PM EDT THU APR 6 2017 ...STORM AND GALE FORCE WINDS TONIGHT... .AVAILABLE OBSERVATIONS SUGGEST ONGOING HIGH END GALES ACROSS SOUTHERN LAKE HURON. THERE WERE SEVERAL HOURS OF STORM FORCE NORTHEAST WINDS DOWN SAGINAW BAY EARLIER. THESE HAVE SINCE DIMINISHED AS THE WIND HAVE BACK MORE TOWARD THE NORTH OVER THE BAY. THERE WILL BE A TIGHTENING OF THE SFC GRADIENT THIS EVENING WHICH WILL SUPPORT AN UPTICK IN THE WINDS. THIS IS EXPECTED TO RESULT IN A FEW STORM FORCE WIND GUSTS OVER CENTRAL AND SOUTHERN LAKE HURON. DEEPENING OF THE SFC LOW OVER UPSTATE NEW YORK TONIGHT WILL SUSTAIN A HEALTHY GRADIENT, REMAINING HIGHLY SUPPORTIVE OF GALE FORCE WIND GUSTS INTO FRI MORNING. THE BEST CHANCE FOR STORM FORCE GUSTS WILL BE THIS EVENING. SO THERE IS A POSSIBILITY THAT THE STORM WARNINGS WILL BE ABLE TO BE DOWNGRADED EITHER LATE THIS EVENING OR EARLY FRI MORNING. WINDS WILL THEN STEADILY DECREASE DURING THE DAY FRIDAY AS THE GRADIENT RELAXES AND OVER LAKE STABILITY INCREASES. LHZ422-070745- /O.CAN.KDTX.SR.W.0003.000000T0000Z-170407T0400Z/ /O.EXA.KDTX.GL.W.0018.000000T0000Z-170407T1400Z/ INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI- 344 PM EDT THU APR 6 2017 ...GALE WARNING IN EFFECT UNTIL 10 AM EDT FRIDAY... ...STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE WARNING...WHICH IS IN EFFECT UNTIL 10 AM EDT FRIDAY. * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 36 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 49 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 6 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 8 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 3 PM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 3 PM EDT THURSDAY. THE STORM WARNING HAS BEEN CANCELLED. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ LHZ362-363-441-442-462-463-070745- /O.CAN.KDTX.GL.W.0018.000000T0000Z-170407T0000Z/ /O.EXT.KDTX.SR.W.0003.170406T2200Z-170407T1400Z/ LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND 5NM OFF SHORE- LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF SHORE-PORT AUSTIN TO HARBOR BEACH MI- HARBOR BEACH TO PORT SANILAC MI- LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE- LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE- 344 PM EDT THU APR 6 2017 ...STORM WARNING NOW IN EFFECT UNTIL 10 AM EDT FRIDAY... ...GALE WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE GALE WARNING. THE STORM WARNING IS NOW IN EFFECT UNTIL 10 AM EDT FRIDAY. * WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED WINDS UP TO 39 KNOTS FROM THE NORTH WITH GUSTS UP TO 50 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 17 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 24 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 7 PM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 7 AM EDT FRIDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR OCCURING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS AND WAVES SUBSIDE. && $$ LCZ460-LEZ444-070745- /O.EXT.KDTX.GL.W.0019.170406T2000Z-170407T1700Z/ LAKE ST. CLAIR- MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI- 344 PM EDT THU APR 6 2017 ...GALE WARNING NOW IN EFFECT UNTIL 1 PM EDT FRIDAY... THE GALE WARNING IS NOW IN EFFECT UNTIL 1 PM EDT FRIDAY. * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 32 KNOTS FROM THE NORTH WITH GUSTS UP TO 48 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 6 PM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 8 PM EDT THURSDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ LHZ421-070745- /O.EXT.KDTX.SR.W.0003.000000T0000Z-170407T1100Z/ OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER SAGINAW BAY- 344 PM EDT THU APR 6 2017 ...STORM WARNING NOW IN EFFECT UNTIL 7 AM EDT FRIDAY... THE STORM WARNING IS NOW IN EFFECT UNTIL 7 AM EDT FRIDAY. * WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED WINDS UP TO 37 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 48 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 15 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 22 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 3 PM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 3 PM EDT THURSDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR OCCURING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS AND WAVES SUBSIDE. && $$ LHZ443-464-070745- /O.EXT.KDTX.SR.W.0003.170406T2200Z-170407T1400Z/ PORT SANILAC TO PORT HURON MI- LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE- 344 PM EDT THU APR 6 2017 ...STORM WARNING NOW IN EFFECT UNTIL 10 AM EDT FRIDAY... THE STORM WARNING IS NOW IN EFFECT UNTIL 10 AM EDT FRIDAY. * WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED WINDS UP TO 38 KNOTS FROM THE NORTH WITH GUSTS UP TO 50 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 16 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 23 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 7 PM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 8 PM EDT THURSDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR OCCURING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS AND WAVES SUBSIDE. && $$ LHZ361-070745- /O.CON.KDTX.GL.W.0018.000000T0000Z-170407T1400Z/ LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT BEYOND 5 NM OFF SHORE- 344 PM EDT THU APR 6 2017 ...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT FRIDAY... * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 30 KNOTS FROM THE NORTH WITH GUSTS UP TO 42 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 8 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 11 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 8 PM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 9 PM EDT THURSDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ SC
552 WHUS73 KDTX 070357 MWWDTX URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 1157 PM EDT THU APR 6 2017 ...STORM AND GALE FORCE WINDS OVERNIGHT... .AVAILABLE OBSERVATIONS SUGGEST ONGOING HIGH END GALES ACROSS SOUTHERN LAKE HURON. THERE WERE SEVERAL HOURS OF STORM FORCE NORTHEAST WINDS DOWN SAGINAW BAY EARLIER. THESE HAVE SINCE DIMINISHED AS THE WIND HAVE BACK MORE TOWARD THE NORTH OVER THE BAY. THERE WILL BE A TIGHTENING OF THE SFC GRADIENT THIS EVENING WHICH WILL SUPPORT AN UPTICK IN THE WINDS. THIS IS EXPECTED TO RESULT IN A FEW STORM FORCE WIND GUSTS OVER CENTRAL AND SOUTHERN LAKE HURON. DEEPENING OF THE SFC LOW OVER UPSTATE NEW YORK TONIGHT WILL SUSTAIN A HEALTHY GRADIENT, REMAINING HIGHLY SUPPORTIVE OF GALE FORCE WIND GUSTS INTO FRI MORNING. THE BEST CHANCE FOR STORM FORCE GUSTS WILL BE THIS EVENING. SO THERE IS A POSSIBILITY THAT THE STORM WARNINGS WILL BE ABLE TO BE DOWNGRADED EITHER LATE THIS EVENING OR EARLY FRI MORNING. WINDS WILL THEN STEADILY DECREASE DURING THE DAY FRIDAY AS THE GRADIENT RELAXES AND OVER LAKE STABILITY INCREASES. LHZ421-071400- /O.CAN.KDTX.SR.W.0003.000000T0000Z-170407T1100Z/ /O.EXA.KDTX.GL.W.0018.000000T0000Z-170407T1400Z/ OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER SAGINAW BAY- 1157 PM EDT THU APR 6 2017 ...GALE WARNING IN EFFECT UNTIL 10 AM EDT FRIDAY... ...STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE WARNING...WHICH IS IN EFFECT UNTIL 10 AM EDT FRIDAY. * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 35 KNOTS FROM THE NORTH WITH GUSTS UP TO 48 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 14 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 20 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 2 AM EDT FRIDAY WITH THE LARGEST WAVES EXPECTED AROUND 4 AM EDT FRIDAY. THE STORM WARNING HAS BEEN CANCELLED. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ LHZ422-071400- /O.CON.KDTX.GL.W.0018.000000T0000Z-170407T1400Z/ INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI- 1157 PM EDT THU APR 6 2017 ...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT FRIDAY... * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 28 KNOTS FROM THE NORTH WITH GUSTS UP TO 43 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 4 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 5 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 11 PM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 11 PM EDT THURSDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ LCZ460-LEZ444-071600- /O.CON.KDTX.GL.W.0019.000000T0000Z-170407T1700Z/ LAKE ST. CLAIR- MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI- 1157 PM EDT THU APR 6 2017 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 PM EDT FRIDAY... * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 29 KNOTS FROM THE NORTH WITH GUSTS UP TO 45 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 11 PM EDT THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 11 PM EDT THURSDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ LHZ361-071400- /O.CON.KDTX.GL.W.0018.000000T0000Z-170407T1400Z/ LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT BEYOND 5 NM OFF SHORE- 1157 PM EDT THU APR 6 2017 ...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT FRIDAY... * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 28 KNOTS FROM THE NORTH WITH GUSTS UP TO 42 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 7 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 10 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 12 AM EDT FRIDAY WITH THE LARGEST WAVES EXPECTED AROUND 11 PM EDT THURSDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ LHZ362-363-441>443-462>464-071400- /O.CON.KDTX.SR.W.0003.000000T0000Z-170407T1400Z/ 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-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- 1157 PM EDT THU APR 6 2017 ...STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EDT FRIDAY... * WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED WINDS UP TO 37 KNOTS FROM THE NORTH WITH GUSTS UP TO 50 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 17 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 24 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 3 AM EDT FRIDAY WITH THE LARGEST WAVES EXPECTED AROUND 7 AM EDT FRIDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR OCCURING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS AND WAVES SUBSIDE. && $$
787 WHUS73 KDTX 070747 MWWDTX URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 347 AM EDT FRI APR 7 2017 ...NORTHERLY GALES TO CONTINUE THROUGH THIS AFTERNOON... .NORTHWEST WINDS IN THE 30 TO 40 KNOT RANGE EARLY THIS MORNING WILL CONTINUE TO DIMINISH DURING THE DAY, DROPPING INTO THE 15 TO 25 KNOT RANGE THIS EVENING. WITH THE DOWNWARD TREND IN WINDS, STORM WARNINGS HAVE BEEN CONVERTED TO GALE WARNINGS, AND THE GALE WARNINGS ALONG THE NEARSHORE WATERS HAVE BEEN CONVERTED TO SMALL CRAFT ADVISORIES. A RIDGE OF HIGH PRESSURE ARRIVING SATURDAY MORNING WILL LEAD TO LIGHT WINDS THROUGH THE DAY ON SATURDAY, WITH INCREASING SOUTHERLY WINDS FOR THE SECOND HALF OF THE WEEKEND INTO MONDAY, BUT LIKELY REMAINING UNDER 30 KNOTS. LHZ362-363-441>443-462>464-072000- /O.CAN.KDTX.SR.W.0003.000000T0000Z-170407T1400Z/ /O.EXB.KDTX.GL.W.0018.000000T0000Z-170407T2000Z/ 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-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- 347 AM EDT FRI APR 7 2017 ...GALE WARNING IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... ...STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE WARNING WHICH IS IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON. * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 37 KNOTS FROM THE NORTH WITH GUSTS UP TO 44 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 17 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 24 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 5 AM EDT FRIDAY WITH THE LARGEST WAVES EXPECTED AROUND 7 AM EDT FRIDAY. THE STORM WARNING HAS BEEN CANCELLED. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ LCZ460-LEZ444-072000- /O.CAN.KDTX.GL.W.0019.000000T0000Z-170407T1700Z/ /O.NEW.KDTX.SC.Y.0027.170407T0747Z-170407T2000Z/ LAKE ST. CLAIR- MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI- 347 AM EDT FRI APR 7 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... ...GALE WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A SMALL CRAFT ADVISORY WHICH IS IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 27 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 33 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 5 AM EDT FRIDAY WITH THE LARGEST WAVES EXPECTED AROUND 3 AM EDT FRIDAY. THE GALE WARNING HAS BEEN CANCELLED. 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. && $$ LHZ361-070900- /O.CAN.KDTX.GL.W.0018.000000T0000Z-170407T1400Z/ LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT BEYOND 5 NM OFF SHORE- 347 AM EDT FRI APR 7 2017 ...GALE WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE GALE WARNING. $$ LHZ421-422-071400- /O.CON.KDTX.GL.W.0018.000000T0000Z-170407T1400Z/ 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- 347 AM EDT FRI APR 7 2017 ...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT THIS MORNING... * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 34 KNOTS FROM THE NORTH WITH GUSTS UP TO 38 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 14 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 20 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 5 AM EDT FRIDAY WITH THE LARGEST WAVES EXPECTED AROUND 4 AM EDT FRIDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ DG
What forecasters said that day
The local office's own words before this gale warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Detroit, MI wrote its last area forecast discussion before this gale warning went out at Apr 5, 3:57 PM EDT, 8 minutes earlier.
Area forecast discussion, Apr 5, 3:57 PM EDT, 8 minutes before
Area Forecast Discussion
National Weather Service Detroit/Pontiac MI
357 PM EDT Wed Apr 5 2017
.DISCUSSION...
The rain which has been overspreading srn/cntl Lower Mi this
afternoon marks the beginning of what will be a prolonged
precipitation event for Southeast Michigan. Although there is
reasonable agreement in the overall large scale features at play,
uncertainty in the meso scale details and particularly the thermal
profiles still yield a somewhat high degree of uncertainty as to
potential snowfall amounts.
Recent water vapor imagery shows a plume of deep layer moisture
streaming into southern Mi. This moisture is interacting with the
mid level frontal boundary draped across the region. The upper low
now over the mid MS Valley will rotate into srn Lower Mi overnight.
Se Mi will remained positioned within a region of very good upper
level divergence associated with a coupled upper jet. The response
will be a tightening of the mid level frontal boundary right over Se
Mi. The approach of the upper low will also lead to very good mid
level PV advection. This coupled with a near continued stream of
deep layer moisture transport, forcing 850mb dewpoints near +7C into
the mid level frontal ascent, will support widespread precip during
the night. A deep convectively unstable layer above the frontal
boundary will support a rather robust fgen response. This is
expected to occur somewhere along/north of a line from Howell to
Sandusky. Nighttime rainfall amounts could easily exceed an inch in
these locals. This along with the additional precipitation Thursday
has prompted a flood watch in these locals (refer to the hydro
section for more details).
Model soundings, particularly the NAM, suggest some robust
thermodynamic cooling across the northern sections of the mid level
FGEN tonight (tri cities region). There is some concern that the
models may be a little too agressive with this given that the
resevoir of cold air is still fairly far to the north. This may
especially be the case if the mid level forcing sets up a little
farther south. If, however, the column in the tri cities does
rapidly cool tonight, heavy wet snow is likely to develop. Given the
uncertainty, the winter storm watch will remain in place for the
time being.
The upper low will rotate into the ern Great Lakes on Thursday. As
the base of the trough takes on a negative tilt into the mid
Atlantic on Thursday, an Atlantic feed of moisture into the warm
conveyor will feed into the mid level deformation axis, which will
rotate across Se Mi during the course of the day. Continued
thermodymaic cooling and some advection of colder air from the north
will change the rain over to snow from west to east across the
forecast area during the day. The main uncertainty at this point is
how far into Se Mi this mid level dry slot works into the area late
tonight into Thurs morning and to what extent this may fracture the
mid level deformation (at least for the first half of Thurs). As the
system rotates across the ern Great Lakes, the mid level deformation
should intensify/redevelop over Se Mi before exiting to the east
Thurs night. The thermodynamic profile will support a period of very
good snowfall rates once the change over occurs. The region that is
expected to see the most snow and longest period of deformation
forcing is generally along and north of an Owosso to Bad Axe line.
These locals have been added to the winter storm watch for the
potential for over 6 inches of snow. If the change over occurs
across the Saginaw Valley a little earlier, snow totals could
feasibly approach a foot over Midland/Bay counties. The remainder of
the area should see anywhere from an inch to possibly 4 inches Thus
afternoon/evening.
The final aspect of this storm system will be the winds. A
tightening northeast gradient associated with the deepening sfc low
will occur through the night. Further deepening of this system as it
rotates across the ern Great Lakes on Thursday (980mb over upstate
New York by 00Z Fri) raises concerns for strong winds. Model
soundings show 50-60 knot winds in the 950-800mb layer tonight
through Thurs night. Boundary layer stability will limit wind gusts
over land through at least late Thurs morning. The exception to this
will be downwind of Lake Huron and Saginaw Bay where a high wind
watch is now in effect for gusts possibly up to 60 MPH by Thurs
morning. Boundary layer growth and mixing will be a little more
favorable for strong winds Thurs afternoon into Thurs night. Inland
from the Lake Huron, this is likely to support advisory level wind
gusts (45 to 50 MPH).
The drying trend will continue for the weekend, as surface high
pressure and upper level ridging persists over the region. The
exception will be over the northern thumb areas, where the next
approaching system ushers in chances of light rain, as soon as
Sunday morning. Rain spreads over the remaining CWA on Monday with
wet conditions persisting through most of Tuesday. At this time,
high pressure and dry conditions are anticipated to return by
Tuesday night and remain over the area through Thursday.
Temperatures will increase through the initial few days of the
extended period, with afternoon highs trending well above the
seasonal norm. High temps drop back into the low 50's by Wednesday
as wind directions transition back to the northwest.
&&
.MARINE...
The focus for marine interests will be on the next low pressure
system set to move into the Ohio Valley by tonight and toward the
west end of Lake Erie by Thursday morning. This system is projected
to strongly intensify during Thursday as the center moves toward
western New York by Thursday evening resulting in high end gales
over all marine areas with a good chance of storm force gusts across
Saginaw Bay and southern Lake Huron during this period. Expect entry
level 35 knot northeast gales to develop even tonight over the Bay
and central Lake Huron but stability will be a limiting factor
before sunrise Thursday. After that, model soundings indicate colder
air moving in through the low levels over the Bay and southern Lake
Huron that will produce an unstable profile and enough mixing for
storm force gust potential by late Thursday morning through Thursday
night while direction gradually backs toward the north. The headline
summary is for a gale warning tonight for Saginaw Bay and central
Lake Huron. A storm watch is then in effect Thursday through Friday
morning for Saginaw Bay and for Lake Huron south of Presque Isle.
Gale watches remain in effect for all other marine areas to the
north and south of the storm watch.
&&
.HYDROLOGY...
A long duration precipitation event is beginning this afternoon and
will persist into early Friday morning. It will begin as rain before
mixing with or change to snow late tonight through Thursday. Total
liquid equivalent precipitation from this system is expected to
range from 1 to 3 inches over about 36 hours with the higher totals
expected across the Saginaw Valley and Thumb regions. This amount of
precipitation combined with rainfall over the past week will cause
streams and rivers across the region to rise, approaching and/or
exceeding flood stage late in the week. In addition, already
saturated soils will have little room to absorb additional rainfall
thus minor flooding of low lying areas and ponding on roadways will
be possible. A flood watch will be issued to account for this
potential. Even if the bulk of the precipitation falls as snow
across the Saginaw Valley, it will rapidly melt Friday into
Saturday, so rises on rivers are still expected but will be delayed
a couple days.
In addition to rainfall runoff, prolonged strong northeast winds on
Saginaw Bay is likely to slow the discharge of water from the
Saginaw River. This may result in minor flooding along the river
Thursday and Thursday night.
&&
.PREV DISCUSSION...
Issued at 310 PM EDT Wed Apr 5 2017
AVIATION...
Complex aviation forecast with early spring storm system set to
impact southeastern Michigan late tonight through Thursday. A highly
conditional type setup that is contingent on exactly where critical
thermal boundaries will become positioned. Latest forecast trends
are suggesting the 800mb thermal boundary well become well defined
over the central half of the cwa from southwest to northeast
tonight. High confidence exist that precipitation type will remain all
rain across the southern sites, including KPTK through tonight.
Lower confidence exists with regards to precipitation type and timing
of precipitation type changes at KFNT and KMBS. However, confidence
does increase in total changeover to snow for MBS late tonight. Will
be watching a concerted increase in precipitation activity and
coverage from south to north during the 02-06Z timeframe as nose
forcing off of low level jet lifts northward and greatest PV forcing
occurs. Large dryslot is then expected to lift northward at least
across the southern 1/2 of the cwa for 06-12Z tomorrow. Strong
kinematics will increase tonight contributing to Low Level Wind
Shear all sites. North winds will definitely increase Thursday low
pressure lifting out of the area with windgusts reaching into the 30
to 40 knot range.
For DTW...High confidence in rain as precipitation type through 18Z
Thursday. Lower confidence in windspeeds late tonight with low
passing overhead. Higher confidence in northwest winds gusts to 25
knots post 18Z Thursday.
//DTW THRESHOLD PROBABILITIES...
* High for ceiling 5000 ft or less.
* Low for thunderstorms at DTW tonight.
* Low for cigs less than 500 ft and vsbys less than 1/2SM.
&&
.DTX WATCHES/WARNINGS/ADVISORIES...
MI...Flood Watch through Thursday evening for MIZ047>049-053>055-060>062-
068.
Winter Storm Watch from Thursday morning through Thursday evening
for MIZ049-054-060.
Lakeshore Flood Advisory from 11 AM Thursday to 8 PM EDT Friday for
MIZ063.
High Wind Watch from late tonight through late Thursday night for
MIZ048-049-053>055-063.
Lakeshore Flood Advisory from 8 PM this evening to 8 AM EDT Friday
for MIZ048-054.
Winter Storm Watch from 2 AM EDT Thursday through Thursday evening
for MIZ047-048-053.
Lake Huron...Storm Watch from late tonight through Friday morning for LHZ362-363-
441>443-462>464.
Gale Warning from 8 PM this evening to 4 AM EDT Thursday for LHZ362-
363-421-422-441-442-462-463.
Storm Watch from late tonight through Thursday evening for LHZ421-
422.
Gale Warning from 4 AM Thursday to 10 AM EDT Friday for LHZ361.
Lake St Clair...Gale Warning from 4 PM Thursday to 10 AM EDT Friday for LCZ460.
Michigan waters of Lake Erie...Small Craft Advisory until 10 PM EDT this evening for LEZ444.
Gale Warning from 4 PM Thursday to 10 AM EDT Friday for LEZ444.
&&
DISCUSSION...SC/DE
MARINE.......CB
HYDROLOGY....DRK
AVIATION.....CB
You can obtain your latest National Weather Service forecasts online
at www.weather.gov/detroit.Hazardous weather outlook, Apr 5, 4:44 AM EDT, 11 hours 21 minutes before
Hazardous Weather Outlook National Weather Service Detroit/Pontiac MI 444 AM EDT Wed Apr 5 2017 MIZ060>062-068>070-075-076-082-083-060845- Shiawassee-Genesee-Lapeer-Livingston-Oakland-Macomb-Washtenaw-Wayne- Lenawee-Monroe- 444 AM EDT Wed Apr 5 2017 This hazardous weather outlook is for portions of southeast Michigan. .DAY ONE...Today and Tonight No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday A strong low pressure system will track through the region Wednesday through Friday bringing a mix of precipitation to the area. Rain of 1 to 2 inches over a 36 hour period may produce minor flooding in already water logged areas and streams. Strong northeast winds with gusts to 40 mph Thursday and Thursday night possible. Rain changing to snow Thursday night may produce a couple inches of accumulation. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed today and tonight. MIZ047>049-053>055-063-060845- Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-St. Clair- 444 AM EDT Wed Apr 5 2017 This hazardous weather outlook is for portions of southeast Michigan. .DAY ONE...Today and Tonight No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday A strong low pressure system will track through the region Wednesday through Friday bringing a mix of precipitation to the area. High wind watch is in effect Thursday and Thursday for northeast wind gusts to 50mph. One to two inches of rain is possible that may lead to minor flooding. Snow accumulations of several inches is possible Thursday and Thursday night. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed today and tonight. LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-060845- 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- 444 AM EDT Wed Apr 5 2017 This hazardous weather outlook is for portions of Lake Erie, Lake Huron and Lake St Clair. .DAY ONE...Today and Tonight Gale warning for Lake Huron in effect tonight. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Gale warning continues in effect for Thursday and Thursday night. .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. DRC
The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 5, 3:57 AM EDT | High Wind Watch | DTX | Bay, Huron, Saginaw, Saint Clair, Sanilac, Tuscola | 25 hr |
| Apr 5, 4:00 AM EDT | Gale Warning | DTX | 60 hr | |
| Apr 5, 4:00 AM EDT | Small Craft Advisory | DTX | 18 hr | |
| Apr 5, 4:00 AM EDT | Storm Watch | DTX | 24 hr | |
| Apr 5, 9:42 AM EDT | Winter Storm Watch | DTX | Bay, Huron, Midland, Saginaw, Shiawassee, Tuscola | 251 days |
| Apr 5, 10:39 AM EDT | Lakeshore Flood Advisory | DTX | Bay, Saint Clair, Tuscola | 53 hr |
| Apr 5, 2:31 PM EDT | River Flood Warning | DTX | Bay, Saginaw | 7 days |
| Apr 5, 3:00 PM EDT | Flood Watch | DTX | Bay, Genesee, Huron, Lapeer, Livingston, Midland and 4 more | 14 hr |
Nearby
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.