Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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000
WHUS73 KDTX 242004
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
404 PM EDT FRI MAR 24 2017

...LARGE WAVES OVER LAKE HURON SATURDAY INTO SATURDAY NIGHT...

.FRONTAL BOUNDARY OVER CENTRAL LAKE HURON HIS AFTERNOON WILL SINK
SOUTH TONIGHT AS HIGH PRESSURE BUILDS INTO ONTARIO, LEADING TO
NORTHEAST WINDS OF 15 TO 25 KNOTS OVER LAKE HURON TOMORROW WITH
GUSTS BRIEFLY UP TO 30 KNOTS OVER THE MID SECTION OF THE LAKE EARLY
TOMORROW MORNING. THIS WILL LEAD TO WAVES IN EXCESS OF 4 FEET
IMPACTING THE NEARSHORE WATERS OVER THE NORTHERN THUMB REGION DURING
THE DAY, AND SMALL CRAFT ADVISORIES HAVE BEEN ISSUED. WINDS WILL
BECOME A BIT MORE EAST-SOUTHEAST FOR THE SECOND HALF OF THE WEEKEND
AS LOW PRESSURE TRACKS THROUGH THE WESTERN OHIO VALLEY AND INTO
LOWER MICHIGAN SUNDAY NIGHT. THE WEAK LOW THEN LOOKS TO SLOWLY PASS
THROUGH LAKE HURON ON MONDAY, WITH GENERALLY LIGHT WINDS RIGHT INTO
TUESDAY, BUT FROM THE NORTH BEHIND THE LOW.

LHZ422-250830-
/O.NEW.KDTX.SC.Y.0023.170325T1000Z-170326T0000Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
404 PM EDT FRI MAR 24 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM TO 8 PM EDT
SATURDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY...WHICH IS IN EFFECT FROM 6 AM TO 8 PM EDT
SATURDAY.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 22 KNOTS FROM THE NORTHEAST WITH GUSTS
  UP TO 27 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 AM EDT
  SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 1 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.

&&

$$

LHZ421-441-250830-
/O.NEW.KDTX.SC.Y.0023.170325T1000Z-170326T0800Z/
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-PORT AUSTIN TO HARBOR BEACH MI-
404 PM EDT FRI MAR 24 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM SATURDAY TO 4 AM EDT
SUNDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY...WHICH IS IN EFFECT FROM 6 AM SATURDAY TO
4 AM EDT SUNDAY.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 22 KNOTS FROM THE NORTHEAST 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 10 AM 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.

&&

$$

HLO



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