Alert archive / Michigan / Small Craft Advisories in 2012
Small Craft Advisory 64, NWS Detroit, MI
NWS Detroit, MI issued this small craft advisory at Sep 7, 2012, 4:09 AM EDT. It took effect at Sep 7, 2012, 9:41 PM EDT. It was in force for 36 hr.
The area
The counties it named.
The facts
- Issued
- Sep 7, 2012, 4:09 AM EDT (08:09 UTC)
- In effect from
- Sep 7, 2012, 9:41 PM EDT
- Expired
- Sep 9, 2012, 10:00 AM EDT
- In force
- 36 hr
- Issued by
- NWS Detroit, MI
The text
As transmitted, in the capitals the NWS used until 2016.
426 WHUS73 KDTX 070809 MWWDTX URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 409 AM EDT FRI SEP 7 2012 ...STRONG SURFACE LOW TO DEEPEN OVER THE GREAT LAKES THIS WEEKEND... .RELATIVELY CALM CONDITIONS WILL EXIST TODAY AS A WEAK SURFACE RIDGE REMAINS IN PLACE OVER THE GREAT LAKES REGION. WINDS WILL INCREASE OUT OF THE NORTHEAST TONIGHT AS A STRENGTHENING LOW PRESSURE SYSTEM APPROACHES THE REGION. THE POTENTIAL EXISTS FOR NORTHWEST GALE FORCE GUSTS TO EMERGE ACROSS SOUTHERN LAKE HURON ON SATURDAY AS THIS SYSTEM LIFTS INTO SOUTHERN ONTARIO. SMALL CRAFT CONDITIONS WILL LIKELY EXIST ACROSS A PORTION OF THE NEARSHORE WATERS DURING THIS TIME. CONDITIONS THIS WEEKEND MAY ALSO BECOME FAVORABLE FOR WATERSPOUT FORMATION AS COOLER AIR MOVES ACROSS THE WARM LAKE WATERS. LHZ422-072015- /O.NEW.KDTX.SC.Y.0064.120908T0800Z-120909T0200Z/ INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI- 409 AM EDT FRI SEP 7 2012 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TO 10 PM EDT SATURDAY... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A SMALL CRAFT ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 10 PM EDT SATURDAY. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 19 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 25 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 5 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 6 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 4 PM EDT SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 6 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. && $$ LHZ421-441>443-072015- /O.NEW.KDTX.SC.Y.0064.120908T0800Z-120909T1400Z/ OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER SAGINAW BAY-PORT AUSTIN TO HARBOR BEACH MI- HARBOR BEACH TO PORT SANILAC MI-PORT SANILAC TO PORT HURON MI- 409 AM EDT FRI SEP 7 2012 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM SATURDAY TO 10 AM EDT SUNDAY... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A SMALL CRAFT ADVISORY...WHICH IS IN EFFECT FROM 4 AM SATURDAY TO 10 AM EDT SUNDAY. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 24 KNOTS FROM THE NORTH WITH GUSTS UP TO 30 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 9 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 13 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 2 PM EDT SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 5 PM EDT SATURDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ LHZ363-462>464-072015- /O.CON.KDTX.GL.A.0020.120908T1200Z-120909T0000Z/ LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF SHORE- 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- 409 AM EDT FRI SEP 7 2012 ...GALE WATCH REMAINS IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING... A GALE WATCH REMAINS IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING. * WIND AND WAVES: DURING THE GALE WATCH...EXPECT SUSTAINED WINDS UP TO 27 KNOTS FROM THE NORTH WITH GUSTS UP TO 35 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 9 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 13 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 1 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 GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO 47 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. && $$
6 follow-up statements
087 WHUS73 KDTX 071915 MWWDTX URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 315 PM EDT FRI SEP 7 2012 ...INCREASING WINDS TONIGHT FOLLOWED BY POSSIBLE NW GALES ON SATURDAY... .NORTHWEST WINDS WILL INCREASE SUBSTANTIALLY LATE TONIGHT INTO EARLY SATURDAY MORNING AS A STRENGTHENING LOW PRESSURE SYSTEM LIFTS FROM THE OHIO VALLEY INTO SOUTHERN ONTARIO. WINDS WILL GUST TO GALES OR NEAR-GALES DURING THE DAY ON SATURDAY AS THE SURFACE PRESSURE GRADIENT INCREASES AND COOLER AIR OVERSPREADS AREA WATERS. BECAUSE IT REMAINS UNCERTAIN WHETHER GUSTS WILL ACHIEVE GALE THRESHOLDS...GALE WATCHES REMAIN IN EFFECT. WAVE CONDITIONS WILL BE HAZARDOUS REGARDLESS...WITH SIGNIFICANT WAVE HEIGHTS INCREASING TO 6 TO 8 FEET WITHIN THE EXPOSED NEARSHORE ZONES ALONG THE THUMB AND UPWARDS OF 8 TO 10 FEET WITHIN THE ADJACENT OPEN WATER ZONES. ALTHOUGH THIS SYSTEM WILL MAINLY BRING A WIDESPREAD RAIN...THERE IS STILL A CHANCE FOR THUNDERSTORMS OVER THE WATERS INTO SATURDAY. CONDITIONS WILL REMAIN UNSETTLED UNTIL HIGH PRESSURE SETTLES ACROSS THE AREA ON MONDAY. LCZ460-LEZ444-080800- /O.EXB.KDTX.SC.Y.0064.120908T1200Z-120909T0000Z/ LAKE ST. CLAIR- MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI- 315 PM EDT FRI SEP 7 2012 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM TO 8 PM EDT SATURDAY... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A SMALL CRAFT ADVISORY...WHICH IS IN EFFECT FROM 8 AM TO 8 PM EDT SATURDAY. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 21 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 26 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 AM EDT SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 12 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. && $$ LHZ422-080800- /O.EXT.KDTX.SC.Y.0064.120908T0600Z-120909T0000Z/ INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI- 315 PM EDT FRI SEP 7 2012 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 2 AM TO 8 PM EDT SATURDAY... THE SMALL CRAFT ADVISORY IS NOW IN EFFECT FROM 2 AM TO 8 PM EDT SATURDAY. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 19 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 25 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 4 PM EDT SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 6 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. && $$ LHZ421-441>443-080800- /O.EXT.KDTX.SC.Y.0064.120908T0600Z-120909T1400Z/ OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER SAGINAW BAY-PORT AUSTIN TO HARBOR BEACH MI- HARBOR BEACH TO PORT SANILAC MI-PORT SANILAC TO PORT HURON MI- 315 PM EDT FRI SEP 7 2012 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 2 AM SATURDAY TO 10 AM EDT SUNDAY... THE SMALL CRAFT ADVISORY IS NOW IN EFFECT FROM 2 AM SATURDAY TO 10 AM EDT SUNDAY. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 24 KNOTS FROM THE NORTH WITH GUSTS UP TO 30 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 9 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 13 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 2 PM EDT SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 5 PM EDT SATURDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ LHZ363-462>464-080800- /O.CON.KDTX.GL.A.0020.120908T1200Z-120909T0000Z/ LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF SHORE- 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- 315 PM EDT FRI SEP 7 2012 ...GALE WATCH REMAINS IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING... A GALE WATCH REMAINS IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING. * WIND AND WAVES: DURING THE GALE WATCH...EXPECT SUSTAINED WINDS UP TO 27 KNOTS FROM THE NORTH WITH GUSTS UP TO 35 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 9 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 13 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 1 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 GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO 47 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. && $$
923 WHUS73 KDTX 080141 MWWDTX URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 941 PM EDT FRI SEP 7 2012 ...INCREASING WINDS TONIGHT FOLLOWED BY POSSIBLE NW GALES ON SATURDAY... .NORTHWEST WINDS WILL INCREASE SUBSTANTIALLY LATE TONIGHT INTO EARLY SATURDAY MORNING AS A STRENGTHENING LOW PRESSURE SYSTEM LIFTS FROM THE OHIO VALLEY INTO SOUTHERN ONTARIO. WINDS WILL GUST TO GALES OR NEAR-GALES DURING THE DAY ON SATURDAY AS THE SURFACE PRESSURE GRADIENT INCREASES AND COOLER AIR OVERSPREADS AREA WATERS. BECAUSE IT REMAINS UNCERTAIN WHETHER GUSTS WILL ACHIEVE GALE THRESHOLDS...GALE WATCHES REMAIN IN EFFECT. WAVE CONDITIONS WILL BE HAZARDOUS REGARDLESS...WITH SIGNIFICANT WAVE HEIGHTS INCREASING TO 6 TO 8 FEET WITHIN THE EXPOSED NEARSHORE ZONES ALONG THE THUMB AND UPWARDS OF 8 TO 10 FEET WITHIN THE ADJACENT OPEN WATER ZONES. THERE WILL ALSO BE A CHANCE FOR WATERSPOUTS DURING THIS TIME. ALTHOUGH THIS SYSTEM WILL MAINLY BRING A WIDESPREAD RAIN...THERE IS STILL A CHANCE FOR THUNDERSTORMS OVER THE WATERS INTO SATURDAY. CONDITIONS WILL REMAIN UNSETTLED UNTIL HIGH PRESSURE SETTLES ACROSS THE AREA ON MONDAY. LHZ422-081345- /O.EXT.KDTX.SC.Y.0064.120908T0141Z-120909T0000Z/ INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI- 941 PM EDT FRI SEP 7 2012 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT SATURDAY... THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 8 PM EDT SATURDAY. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 21 KNOTS FROM THE NORTH WITH GUSTS UP TO 30 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 AM EDT SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 6 AM 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. && $$ LHZ421-081345- /O.EXT.KDTX.SC.Y.0064.120908T0141Z-120909T1400Z/ OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER SAGINAW BAY- 941 PM EDT FRI SEP 7 2012 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM EDT SUNDAY... THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 10 AM EDT SUNDAY. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 21 KNOTS FROM THE NORTH WITH GUSTS UP TO 30 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 5 AM 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. && $$ LCZ460-LEZ444-081345- /O.CON.KDTX.SC.Y.0064.120908T1200Z-120909T0000Z/ LAKE ST. CLAIR- MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI- 941 PM EDT FRI SEP 7 2012 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TO 8 PM EDT SATURDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TO 8 PM EDT SATURDAY. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 21 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 27 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 3 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 4 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 9 AM EDT SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 10 AM EDT SATURDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ LHZ441>443-081345- /O.CON.KDTX.SC.Y.0064.120908T0600Z-120909T1400Z/ PORT AUSTIN TO HARBOR BEACH MI-HARBOR BEACH TO PORT SANILAC MI- PORT SANILAC TO PORT HURON MI- 941 PM EDT FRI SEP 7 2012 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM SATURDAY TO 10 AM EDT SUNDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM SATURDAY TO 10 AM EDT SUNDAY. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 24 KNOTS FROM THE NORTH WITH GUSTS UP TO 30 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 1 PM EDT SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 4 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. && $$ LHZ363-462>464-081345- /O.CON.KDTX.GL.A.0020.120908T1200Z-120909T0000Z/ LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF SHORE- LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE- LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE- LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE- 941 PM EDT FRI SEP 7 2012 ...GALE WATCH REMAINS IN EFFECT FROM 8 AM EDT SATURDAY THROUGH SATURDAY EVENING... A GALE WATCH REMAINS IN EFFECT FROM 8 AM EDT SATURDAY THROUGH SATURDAY EVENING. * WIND AND WAVES: DURING THE GALE WATCH...EXPECT SUSTAINED WINDS UP TO 27 KNOTS FROM THE NORTH WITH GUSTS UP TO 35 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 10 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 14 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 1 PM EDT SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 5 PM EDT SATURDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO 47 KNOTS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER ALTERING THEIR PLANS. && $$ KURIMSKI
912 WHUS73 KDTX 080245 MWWDTX URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 1045 PM EDT FRI SEP 7 2012 ...INCREASING WINDS TONIGHT FOLLOWED BY POSSIBLE NW GALES ON SATURDAY... .NORTHWEST WINDS WILL INCREASE SUBSTANTIALLY LATE TONIGHT INTO EARLY SATURDAY MORNING AS A STRENGTHENING LOW PRESSURE SYSTEM LIFTS FROM THE OHIO VALLEY INTO SOUTHERN ONTARIO. WINDS WILL GUST TO GALES OR NEAR-GALES DURING THE DAY ON SATURDAY AS THE SURFACE PRESSURE GRADIENT INCREASES AND COOLER AIR OVERSPREADS AREA WATERS. BECAUSE IT REMAINS UNCERTAIN WHETHER GUSTS WILL ACHIEVE GALE THRESHOLDS...GALE WATCHES REMAIN IN EFFECT. WAVE CONDITIONS WILL BE HAZARDOUS REGARDLESS...WITH SIGNIFICANT WAVE HEIGHTS INCREASING TO 6 TO 8 FEET WITHIN THE EXPOSED NEARSHORE ZONES ALONG THE THUMB AND UPWARDS OF 8 TO 10 FEET WITHIN THE ADJACENT OPEN WATER ZONES. THERE WILL ALSO BE A CHANCE FOR WATERSPOUTS DURING THIS TIME. ALTHOUGH THIS SYSTEM WILL MAINLY BRING A WIDESPREAD RAIN...THERE IS STILL A CHANCE FOR THUNDERSTORMS OVER THE WATERS INTO SATURDAY. CONDITIONS WILL REMAIN UNSETTLED UNTIL HIGH PRESSURE SETTLES ACROSS THE AREA ON MONDAY. LHZ441>443-081445- /O.EXT.KDTX.SC.Y.0064.120908T0300Z-120909T1400Z/ PORT AUSTIN TO HARBOR BEACH MI-HARBOR BEACH TO PORT SANILAC MI- PORT SANILAC TO PORT HURON MI- 1045 PM EDT FRI SEP 7 2012 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM EDT SUNDAY... THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 10 AM EDT SUNDAY. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 24 KNOTS FROM THE NORTH WITH GUSTS UP TO 30 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 1 PM EDT SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 4 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. && $$ LHZ422-081445- /O.CON.KDTX.SC.Y.0064.000000T0000Z-120909T0000Z/ INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI- 1045 PM EDT FRI SEP 7 2012 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 21 KNOTS FROM THE NORTH WITH GUSTS UP TO 30 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 4 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 5 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 5 AM EDT SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 6 AM EDT SATURDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ LCZ460-LEZ444-081445- /O.CON.KDTX.SC.Y.0064.120908T1200Z-120909T0000Z/ LAKE ST. CLAIR- MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI- 1045 PM EDT FRI SEP 7 2012 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TO 8 PM EDT SATURDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TO 8 PM EDT SATURDAY. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 21 KNOTS FROM THE NORTHWEST 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 9 AM EDT SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 10 AM 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. && $$ LHZ421-081445- /O.CON.KDTX.SC.Y.0064.000000T0000Z-120909T1400Z/ OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER SAGINAW BAY- 1045 PM EDT FRI SEP 7 2012 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT SUNDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT SUNDAY. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 21 KNOTS FROM THE NORTH WITH GUSTS UP TO 30 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 7 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 10 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 5 AM EDT SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 5 PM EDT SATURDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ LHZ363-462>464-081445- /O.CON.KDTX.GL.A.0020.120908T1200Z-120909T0000Z/ LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF SHORE- 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- 1045 PM EDT FRI SEP 7 2012 ...GALE WATCH REMAINS IN EFFECT FROM 8 AM EDT SATURDAY THROUGH SATURDAY EVENING... A GALE WATCH REMAINS IN EFFECT FROM 8 AM EDT SATURDAY THROUGH SATURDAY EVENING. * WIND AND WAVES: DURING THE GALE WATCH...EXPECT SUSTAINED WINDS UP TO 27 KNOTS FROM THE NORTH WITH GUSTS UP TO 35 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 10 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 14 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 1 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 GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO 47 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. && $$ KURIMSKI
553 WHUS73 KDTX 080801 MWWDTX URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 401 AM EDT SAT SEP 8 2012 ...INCREASING NORTHWEST WINDS AND WAVES THIS MORNING... .THE PRESSURE GRADIENT WILL TIGHTEN OVER THE EASTERN LAKES AS THE LOW PRESSURE SYSTEM DEEPENS AS IT LIFTS FROM SOUTHERN ONTARIO NORTHEASTWARD. THIS...ALONG WITH THE COOLER AIRMASS FILTERING INTO THE REGION...WILL INCREASE THE NORTHWESTERLY WINDS THIS MORNING CREATING SOME UNFAVORABLE MARINE CONDITIONS TODAY. INCREASED WINDS WILL CREATE LARGE WAVES WARRANTING SMALL CRAFT ADVISORIES FOR ALL NEARSHORE ZONES ALONG LAKE HURON...LAKE ST CLAIR AND LAKE ERIE. WENT AHEAD AND DROPPED THE GALE WATCH FOR THE OPEN WATERS OF LAKE HURON AS GUIDANCE CONTINUED TO ADVERTISE WINDS STAYING BELOW CRITERIA MAXING OUT AROUND 30 KNOTS. RAIN SHOWERS WILL CONTINUE THROUGH THE DAY WITH SOME THUNDERSTORMS POSSIBLE AS WELL. WITH THE COOL AIR ALOFT...WARM LAKE WATER AND THUNDERSTORMS AROUND...THERE WILL BE A CHANCE OF WATERSPOUTS THROUGH TONIGHT. HIGH PRESSURE WILL RETURN TO THE AREA ON MONDAY FOR FIRST HALF OF THE WEEK. LHZ363-462>464-080915- /O.CAN.KDTX.GL.A.0020.120908T1200Z-120909T0000Z/ LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF SHORE- LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE- LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE- LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE- 401 AM EDT SAT SEP 8 2012 ...GALE WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE GALE WATCH. $$ LHZ422-082030- /O.CON.KDTX.SC.Y.0064.000000T0000Z-120909T0000Z/ INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI- 401 AM EDT SAT SEP 8 2012 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 18 KNOTS FROM THE NORTH WITH GUSTS UP TO 23 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 3 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 5 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 5 AM 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. && $$ LCZ460-LEZ444-082030- /O.CON.KDTX.SC.Y.0064.120908T1200Z-120909T0000Z/ LAKE ST. CLAIR- MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI- 401 AM EDT SAT SEP 8 2012 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 8 PM EDT THIS EVENING... A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 8 PM EDT THIS EVENING. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 19 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 25 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 4 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 5 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 10 AM EDT SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 11 AM EDT SATURDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ LHZ421-441>443-082030- /O.CON.KDTX.SC.Y.0064.000000T0000Z-120909T1400Z/ OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER SAGINAW BAY-PORT AUSTIN TO HARBOR BEACH MI- HARBOR BEACH TO PORT SANILAC MI-PORT SANILAC TO PORT HURON MI- 401 AM EDT SAT SEP 8 2012 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT SUNDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT SUNDAY. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 21 KNOTS FROM THE NORTH WITH GUSTS UP TO 27 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 9 AM EDT SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 2 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. && $$
549 WHUS73 KDTX 081959 MWWDTX URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 359 PM EDT SAT SEP 8 2012 ...NORTHWEST WINDS TO SLOWLY DIMINISH TONIGHT... .SURFACE LOW PRESSURE OVER EXTREME EASTERN ONTARIO WILL DEEPEN RAPIDLY AS IT LIFTS DUE NORTHWARD. BACK ACROSS THE CENTRAL GREAT LAKES...THE FULL RELEASE OF THE SURFACE LOW AWAY FROM THE WARMER WATER AGGREGATE OF THE GREAT LAKES MEANS THE PRESSURE GRADIENT IS NOW AT ITS PEAK MAGNITUDE. SO FOR TONIGHT...BUILDING SURFACE HIGH PRESSURE FROM THE GREAT PLAINS TO WESTERN GREAT LAKES WILL LIKELY DISSOLVE THE GRADIENT FURTHER EVEN ALLOWING A RESIDUAL SURFACE TROUGH FEATURE BACK ACROSS PORTIONS OF CENTRAL LAKE HURON/CENTRAL LOWER MICHIGAN. THIS FEATURE IS NOT EXPECTED TO BE STRONG ENOUGH TO DRAMATICALLY ALTER THE MARINE WEATHER LOCALLY. MARINE HEADLINES THAT ARE CURRENTLY IN EFFECT ARE IN GOOD SHAPE WITH NO CHANGES NECESSARY. ONLY THING WORTH MENTIONING FOR TOMORROW IS THAT SURFACE WIND TRAJECTORIES WILL BE A TAD MORE NORTHERLY...330 TO 340. LCZ460-LEZ444-LHZ422-090000- /O.CON.KDTX.SC.Y.0064.000000T0000Z-120909T0000Z/ LAKE ST. CLAIR- MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI- INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI- 359 PM EDT SAT SEP 8 2012 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 17 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 22 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 3 PM EDT SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 3 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. && $$ LHZ421-441>443-090815- /O.CON.KDTX.SC.Y.0064.000000T0000Z-120909T1400Z/ OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER SAGINAW BAY-PORT AUSTIN TO HARBOR BEACH MI- HARBOR BEACH TO PORT SANILAC MI-PORT SANILAC TO PORT HURON MI- 359 PM EDT SAT SEP 8 2012 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT SUNDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT SUNDAY. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 17 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 22 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 SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 3 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. && $$
478 WHUS73 KDTX 090142 MWWDTX URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 942 PM EDT SAT SEP 8 2012 ...NORTHWEST WINDS TO SLOWLY DIMINISH TONIGHT... .SURFACE LOW PRESSURE OVER EXTREME EASTERN ONTARIO WILL DEEPEN RAPIDLY AS IT LIFTS DUE NORTHWARD. BACK ACROSS THE CENTRAL GREAT LAKES...THE FULL RELEASE OF THE SURFACE LOW AWAY FROM THE WARMER WATER AGGREGATE OF THE GREAT LAKES MEANS THE PRESSURE GRADIENT IS NOW AT ITS PEAK MAGNITUDE. SO FOR TONIGHT...BUILDING SURFACE HIGH PRESSURE FROM THE GREAT PLAINS TO WESTERN GREAT LAKES WILL LIKELY DISSOLVE THE GRADIENT FURTHER EVEN ALLOWING A RESIDUAL SURFACE TROUGH FEATURE BACK ACROSS PORTIONS OF CENTRAL LAKE HURON/CENTRAL LOWER MICHIGAN. THIS FEATURE IS NOT EXPECTED TO BE STRONG ENOUGH TO DRAMATICALLY ALTER THE MARINE WEATHER LOCALLY. MARINE HEADLINES THAT ARE CURRENTLY IN EFFECT ARE IN GOOD SHAPE WITH NO CHANGES NECESSARY. ONLY THING WORTH MENTIONING FOR TOMORROW IS THAT SURFACE WIND TRAJECTORIES WILL BE A TAD MORE NORTHERLY...330 TO 340. LHZ421-441>443-091345- /O.CON.KDTX.SC.Y.0064.000000T0000Z-120909T1400Z/ OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER SAGINAW BAY-PORT AUSTIN TO HARBOR BEACH MI- HARBOR BEACH TO PORT SANILAC MI-PORT SANILAC TO PORT HURON MI- 942 PM EDT SAT SEP 8 2012 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT SUNDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT SUNDAY. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 16 KNOTS FROM THE WEST WITH GUSTS UP TO 20 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 5 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 7 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 9 PM EDT SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 9 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. && $$ KURIMSKI
What forecasters said that day
The local office's own words before this small craft advisory 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 small craft advisory went out at Sep 7, 3:59 AM EDT, 10 minutes earlier.
Area forecast discussion, Sep 7, 3:59 AM EDT, 10 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
359 AM EDT FRI SEP 7 2012
.SHORT TERM...TODAY AND TONIGHT
MID LEVEL TROUGH WILL SHIFT EASTWARD PLACING THE DOMINATE MID LEVEL
LOW OVER FAR NE ONTARIO. A STRONG SHORTWAVE WILL DIVE INTO THE
TROUGH THROUGH THE OHIO VALLEY CAUSING THE TROUGH TO AMPLIFY AND
BECOME POSITIVELY TILTED. +100KT JET STREAK OVER THE AREA WILL HELP
A SURFACE LOW OVER THE CENTRAL PLAINS RAPIDLY DEEPEN TO OUR SW ALONG
A STALLED FRONTAL BOUNDARY. THIS LOW WILL LIFT THE BOUNDARY
NORTHWARD INTO THE CWA AS A WARM FRONT THROUGH THE DAY BEFORE THE
LOW PRESSURE CENTER TRACKS ACROSS EXTREME SE MI/WESTERN LAKE ERIE.
THIS WILL LEAD TO POSSIBLE SEVERE WEATHER ACROSS THE EXTREME
SOUTHERN COUNTIES AND PROLONGED RAIN ACROSS SE MI.
FAIRLY DRY MID/UPPER LEVELS AS SEEN ON THE DTX 00Z SOUNDING WILL
SATURATE THROUGH THE DAY AS ISENTROPIC ASCENT KICKS IN WITH THE WARM
FRONT LIFTING NORTH. MODELS BRING THE LEADING EDGE OF THE MID LEVEL
THETA E RIDGE INTO THE AREA AROUND 18Z SO HAVE PUSHED BACK PRECIP
MENTIONS UNTIL THEN. WITH THE BAROCLINIC ZONE LIFTING THROUGH THE
SOUTHERN TIER OR TWO OF COUNTIES...THERE WILL BE A CHANCE OF SEVERE
WEATHER IN THE AFTERNOON. CAPE WILL BRIEFLY APPROACH 1000
J/KG...BULK SHEAR WILL INCREASE TO AROUND 30 KNOTS...WITH +100
HELICITY AT THE ONSET. FURTHER NORTH STORMS WILL LIKELY BE MORE
ELEVATED IN NATURE WITH WIDESPREAD SHOWERS WITH SOME EMBEDDED
THUNDERSTORMS LIKELY. IF THE SYSTEM STRENGTHENS AS IT HAS BEEN
ADVERTISED...STRONG FRONTOGENETIC FORCING WILL BUILD ACROSS THE AREA
FRIDAY EVENING. THEN OVERNIGHT WE FALL INTO THE REGION OF FAIRLY
STRONG DEFORMATION WITH THE SYSTEM. A SECOND WAVE OF ENERGY ENTERING
THE WEST SIDE OF THE TROUGH MAY SLOW THE FORWARD PROGRESS OF THE
SYSTEM. THIS WILL LEAD TO PROLONG WIDESPREAD RAIN THROUGHOUT THE
NIGHT. THE USUAL FLY IN THE OINTMENT WOULD BE IF CONVECTION SOUTH OF
THE BORDER GO UPSCALE AND CUTS OFF THE BETTER MOISTURE AND
INSTABILITY FROM ENTERING THE STATE. THOUGH THIS WOULD REDUCE OUR
SEVERE POTENTIAL...EXTENDED PERIOD OF RAIN WILL STILL EXIST.
&&
.LONG TERM...SATURDAY THROUGH THURSDAY
CONSIDERABLE AMPLIFICATION OF THE LONGWAVE PATTERN WILL BE WELL
UNDERWAY ON SATURDAY...LEAD BY A STRONG MID LEVEL WAVE THAT SWEEPS
ACROSS THE REGION EARLY IN THE DAY. THE EMERGING MID LEVEL
FGEN/DEFORMATION AXIS ALONG THE WEST/NORTH FLANK OF THE DEEPENING
SURFACE LOW WILL LIKELY BE PIVOTING ACROSS SOUTHEAST MICHIGAN AT 12Z
SATURDAY MORNING. GIVEN THE DEGREE OF FORCING AND OVERALL MOISTURE
DEPTH...THIS CERTAINLY POINTS TO A WET START TO THE WEEKEND. THE
RATE OF DEEPENING AND OVERALL MOVEMENT OF THE SURFACE LOW AS IT
LIFTS NORTHEAST INTO SOUTHERN ONTARIO REMAINS A KEY QUESTION IN
DETERMINING HOW QUICKLY THE DEFORMATION PRECIPITATION RELEASES
EASTWARD THROUGH THE DAY. THE CANADIAN/ECMWF COMBO CONTINUE TO
CARRY A SLOWER/DEEPER MID LEVEL SYSTEM COMPARED TO THE NCEP SUITE
COUNTERPARTS...LEAVING ADEQUATE FORCING OVERHEAD THROUGH MUCH OF THE
DAY. AS FOR TEMPERATURES...A COOLER THERMAL PROFILE WILL ALREADY BE
IN PLACE BY SATURDAY MORNING ON THE BACKSIDE OF THE SURFACE
LOW...ALTHOUGH THE OVERALL THERMAL ADVECTIVE PROCESS WILL GENERALLY
BE NEUTRAL THROUGH THE DAYLIGHT HOURS. A LACK OF BETTER INSOLATION
GIVEN THE CLOUD COVER/PRECIP WILL KEEP THE RECOVERY IN CHECK...WITH
HIGHS ARRIVING IN THE UPPER 60S/LOWER 70S RANGE.
SECONDARY WAVE UNDERCUTTING THE LEAD SYSTEM WILL SHEAR ACROSS LOWER
MICHIGAN SATURDAY NIGHT...EFFECTIVELY CARVING OUT A LONGWAVE TROUGH
THAT WILL BECOME THE PREDOMINANT FEATURE ACROSS THE EAST COAST WELL
INTO EARLY NEXT WEEK. QUICK SHOT OF MID LEVEL DYNAMICS WITH THIS
SYSTEM MAY PROVE SUFFICIENT IN KICKING OFF A FEW LIGHT SHOWERS
OVERNIGHT. THE LINGERING MOIST CYCLONIC MID LEVEL FLOW WORKING INTO
THE DIURNAL COMPONENT WILL YIELD A GOOD STRATOCU DECK ON SUNDAY.
WHILE LAPSE RATES WILL STEEPEN SIGNIFICANTLY DURING THE DAY...A LACK
OF BETTER MOISTURE DEPTH WILL LIMIT RAINFALL POTENTIAL. HIGHS AGAIN
IN THE UPPER 60S/LOWER 70S.
SURFACE HIGH PRESSURE TAKES CONTROL ON MONDAY AS SOUTHEAST MICHIGAN
ALIGNS ON THE INFLECTION POINT BETWEEN THE DEPARTING UPPER TROUGH
AND AN EXPANDING RIDGE AXIS EMANATING FROM THE SOUTHERN PLAINS. THE
GRADUAL UPWARD ADJUSTMENT IN THE THICKNESS FIELD WILL HELP
NUDGE HIGHS UP SLIGHTLY FROM THOSE NOTED OVER THE WEEKEND. A MORE
INCREMENTAL WARMING TREND WILL THEN COMMENCE THROUGH THE MIDWEEK
PERIOD AS THE UPPER RIDGE AGGRESSIVELY FILLS NORTHEAST ACROSS THE
REGION. LOOKING AT A STRETCH OF DRY/STABLE CONDITIONS WITH LOWER
HUMIDITY AND TEMPERATURES SLIGHTLY ABOVE NORMAL /AROUND 80F
BY WEDNESDAY/.
&&
.MARINE...
RELATIVELY CALM CONDITIONS WILL EXIST TODAY AS A WEAK SURFACE RIDGE
REMAINS IN PLACE OVER THE GREAT LAKES REGION. WINDS WILL INCREASE
OUT OF THE NORTHEAST TONIGHT AS A STRENGTHENING LOW PRESSURE SYSTEM
APPROACHES THE REGION. THE POTENTIAL EXISTS FOR NORTHWEST GALE
FORCE GUSTS TO EMERGE ACROSS SOUTHERN LAKE HURON ON SATURDAY AS THIS
SYSTEM LIFTS INTO SOUTHERN ONTARIO. SMALL CRAFT CONDITIONS WILL
LIKELY EXIST ACROSS A PORTION OF THE NEARSHORE WATERS DURING THIS
TIME. CONDITIONS THIS WEEKEND MAY ALSO BECOME FAVORABLE FOR
WATERSPOUT FORMATION AS COOLER AIR MOVES ACROSS THE WARM LAKE
WATERS.
&&
.AVIATION...ISSUED 134 AM EDT FRI SEP 7 2012
//DISCUSSION...
MOSTLY CLEAR SKIES WILL RULE THE REST OF THE OVERNIGHT HOURS AND
INTO FRIDAY MORNING AS A WEAK BUBBLE OF HIGH PRESSURE TRACKS THROUGH
THE REGION. A MIDLEVEL TROUGH WILL APPROACH FROM THE WEST LATER ON
FRIDAY WHICH WILL CAUSE SURFACE WIND DIRECTIONS TO EMERGE SOUTHERLY
BY LATE MORNING. CONSIDERABLE TIMING DIFFERENCES STILL REMAIN ON
MOISTURE ADVECTION WITH THIS UPCOMING SYSTEM...WITH RECENT RUNS A
FEW HOURS LATER WITH THE MOISTURE AND ONSET OF PRECIPITATION.
HOWEVER IT APPEARS RAIN IS A GOOD BET DURING THE EARLY EVENING
HOURS OVER THE TAF SITES SO WILL INCLUDE PREVAILING RAIN AROUND
21-23Z AND ADJUST AS NECESSARY WITH SUBSEQUENT TAF ISSUANCES. THE
RAIN SHOWERS WILL EVENTUALLY DROP CONDITIONS DOWN TO
MVFR...GENERALLY IN THE 01-03Z TIME PERIOD. THUNDERSTORMS ARE ALSO
POSSIBLE...BUT COVERAGE AND TIMING ARE TOO UP IN THE AIR TO INCLUDE
WITH THIS SET OF TAFS.
//DTW THRESHOLD THREATS...
* HIGH CONFIDENCE IN CEILINGS BELOW 5000 FEET FRIDAY NIGHT WITH RAIN
SHOWERS.
&&
.DTX WATCHES/WARNINGS/ADVISORIES...
MI...NONE.
LAKE HURON...
SMALL CRAFT ADVISORY...INNER SAGINAW BAY...FROM 4 AM SATURDAY TO 10
PM SATURDAY.
SMALL CRAFT ADVISORY...NEARSHORE WATERS FROM PORT AUSTIN TO PORT
HURON INCLUDING OUTER SAGINAW BAY...FROM 4 AM SATURDAY TO 10
AM SUNDAY.
GALE WATCH...LHZ363-LHZ462-LHZ463-LHZ464...FROM 8 AM SATURDAY TO 8
PM SATURDAY.
LAKE ST CLAIR...NONE.
MI WATERS OF LAKE ERIE...NONE.
&&
SHORT TERM...DRK
LONG TERM....MR
MARINE.......DRK
AVIATION.....KURIMSKI
YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS
ONLINE AT WWW.WEATHER.GOV/DETROIT (ALL LOWER CASE).Hazardous weather outlook, Sep 6, 4:06 PM EDT, 12 hours 3 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 406 PM EDT THU SEP 6 2012 MIZ047>049-053>055-060>063-068>070-072015- MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-SHIAWASSEE-GENESEE-LAPEER- ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB- 406 PM EDT THU SEP 6 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST MICHIGAN. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY THERE IS A CHANCE OF THUNDERSTORMS FRIDAY THROUGH SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. MIZ075-076-082-083-072015- WASHTENAW-WAYNE-LENAWEE-MONROE- 406 PM EDT THU SEP 6 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST MICHIGAN. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY THERE IS A CHANCE OF THUNDERSTORMS FRIDAY THROUGH SATURDAY. THERE IS A SLIGHT CHANCE THAT THE THUNDERSTORMS WILL BE SEVERE ON FRIDAY AFTERNOON. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. LCZ422-423-460-LEZ444-LHZ361>363-421-422-441>443-462>464-072015- ST. CLAIR RIVER-DETROIT RIVER-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- 406 PM EDT THU SEP 6 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE ERIE...LAKE HURON AND LAKE ST CLAIR. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY GALE WATCHES ARE IN EFFECT. PLEASE SEE THE LATEST MARINE FORECAST FOR MORE DETAILS. THERE IS A CHANCE OF THUNDERSTORMS FRIDAY THROUGH SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. 99 YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE AT WWW.WEATHER.GOV/DETROIT (ALL LOWER CASE).
Nearby
Small Craft Advisories in Michigan, 2012Every small craft advisory in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.