Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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000
WHUS73 KDTX 291349
MWWDTX

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

...PERSISTENT NORTHEAST WINDS THROUGH TOMORROW...

.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. 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.

LEZ444-300400-
/O.EXT.KDTX.SC.Y.0034.170429T1349Z-170430T2000Z/
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
949 AM EDT SAT APR 29 2017

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EDT SUNDAY...

THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 4 PM EDT SUNDAY.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 22 KNOTS FROM THE NORTHEAST 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 9 AM EDT
  SATURDAY 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.

&&

$$

LHZ443-300400-
/O.EXT.KDTX.SC.Y.0034.170429T1349Z-170430T2000Z/
PORT SANILAC TO PORT HURON MI-
949 AM EDT SAT APR 29 2017

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EDT SUNDAY...

THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 4 PM EDT SUNDAY.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 23 KNOTS FROM THE NORTH WITH GUSTS UP
  TO 24 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 9 AM 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.

&&

$$

LHZ421-422-441-300400-
/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-
PORT AUSTIN TO HARBOR BEACH MI-
949 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.

&&

$$

LHZ442-300400-
/O.CON.KDTX.SC.Y.0034.170430T0800Z-170430T2000Z/
HARBOR BEACH TO PORT SANILAC MI-
949 AM EDT SAT APR 29 2017

...SMALL CRAFT ADVISORY REMAINS 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.

&&

$$

SF



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