Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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000
WHUS73 KDTX 290750
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
350 AM EDT SAT APR 29 2017

...GUSTY NORTHEAST WINDS TONIGHT AND SUNDAY...

.CONDITIONS WILL BE FAIRLY UNSETTLED THROUGH EARLY NEXT WEEK AS A
STRONG LOW PRESSURE SYSTEM SLOWLY TRACKS THROUGH THE AREA. MODESTLY
STRONG NORTH TO NORTHEAST WINDS WILL CONTINUE TO GENERATE LARGE
WAVES OVER SAGINAW BAY AND OFF THE TIP OF THE THUMB TODAY. HIGH
PRESSURE CENTER SLIDING THROUGH ONTARIO COUPLED WITH THE AREA OF LOW
PRESSURE LIFTING THROUGH THE PLAINS WILL THEN TURN WINDS TO THE EAST-
NORTHEAST LATE TONIGHT AND SUNDAY AND ALLOW FOR AN INCREASE IN
SPEED. THIS WILL MAINTAIN SMALL CRAFT CONDITIONS IN THE CURRENT
ADVISORY AREA, WITH ADDITIONAL ADVISORIES POTENTIALLY NEEDED FOR
OTHER PORTIONS OF THE LAKE HURON NEARSHORE WATERS. STRONG WINDS
GUSTING INTO THE 25 TO 30 KNOT RANGE ARE THEN EXPECTED ACROSS ALL OF
THE CENTRAL GREAT LAKES ON MONDAY IN ADVANCE OF A COLD FRONT BEFORE
THEY FLIP TO WEST ON TUESDAY AND FINALLY DECREASE TUESDAY NIGHT. A
WET AND ACTIVE PATTERN WILL DEVELOP LATE TODAY, WITH PERIODS OF
HEAVY RAIN AND THUNDERSTORMS POSSIBLE LATE TONIGHT THROUGH MONDAY
AFTERNOON.

LHZ442-443-292000-
/O.EXB.KDTX.SC.Y.0034.170430T0800Z-170430T2000Z/
HARBOR BEACH TO PORT SANILAC MI-PORT SANILAC TO PORT HURON MI-
350 AM EDT SAT APR 29 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TO 4 PM EDT SUNDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 4 PM EDT
SUNDAY.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 19 KNOTS FROM THE EAST WITH GUSTS UP TO
  22 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 4 AM EDT SUNDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 5 AM EDT SUNDAY.

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

LEZ444-292000-
/O.EXB.KDTX.SC.Y.0034.170430T0800Z-170430T2000Z/
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
350 AM EDT SAT APR 29 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TO 4 PM EDT SUNDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 4 PM EDT
SUNDAY.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 21 KNOTS FROM THE EAST WITH GUSTS UP TO
  23 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 SUNDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 5 AM EDT SUNDAY.

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.

&&

$$

LHZ441-292000-
/O.EXA.KDTX.SC.Y.0034.000000T0000Z-170501T1000Z/
PORT AUSTIN TO HARBOR BEACH MI-
350 AM EDT SAT APR 29 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT MONDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM EDT MONDAY.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 26 KNOTS FROM THE NORTHEAST WITH GUSTS
  UP TO 29 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 2 AM EDT SUNDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 6 AM EDT SUNDAY.

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.

&&

$$

LHZ421-422-292000-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-170501T1000Z/
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-
350 AM EDT SAT APR 29 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EDT MONDAY...

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 26 KNOTS FROM THE NORTHEAST WITH GUSTS
  UP TO 29 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 11 PM EDT
  SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 7 AM EDT
  SUNDAY.

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.

&&

$$

SC



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