Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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000
WHUS73 KDTX 241937
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
337 PM EDT TUE APR 24 2018

...STRONG NORTHERLY WINDS OVER LAKE HURON TOMORROW...

.AN ADVANCING COLD FRONT WILL PRODUCE BREEZY NORTHWEST WINDS RANGING
BETWEEN 20 - 25 KNOTS ACROSS SAGINAW BAY AND LAKE HURON OVERNIGHT,
SUBSEQUENTLY INCREASING WAVE HEIGHTS UP TO 4-5 FEET ACROSS THE LAKE
HURON SHORELINE. HIGH PRESSURE IS THEN EXPECTED TO INFLUENCE THE
GREAT LAKES REGION WHICH WILL RELAX WIND GUSTS LATE WEDNESDAY INTO
THURSDAY MORNING. CALM TO LIGHT WINDS WILL CONTINUE THROUGH THE
WEEKEND AS HIGH PRESSURE MOVES ACROSS THE OHIO VALLEY. OVERALL,
SMALL CRAFT ADVISORIES WILL GO INTO EFFECT WEDNESDAY MORNING AND
AFTERNOON FOR THE SAGINAW BAY AND LAKE HURON SHORELINE FOR WAVE
CONCERNS.

LHZ421-441>443-250745-
/O.CON.KDTX.SC.Y.0022.180425T1200Z-180426T0200Z/
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-
337 PM EDT TUE APR 24 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TO 10 PM EDT
WEDNESDAY...

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY, EXPECT
  SUSTAINED WINDS UP TO 21 KNOTS FROM THE NORTH WITH GUSTS UP
  TO 28 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
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 1 PM EDT
  WEDNESDAY.

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.

&&

$$

LHZ422-250745-
/O.CON.KDTX.SC.Y.0022.180425T1200Z-180425T2200Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
337 PM EDT TUE APR 24 2018

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

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY, EXPECT
  SUSTAINED WINDS UP TO 17 KNOTS FROM THE NORTH WITH GUSTS UP TO
  25 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 2 FEET
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 3 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 9 AM EDT
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 11 AM EDT
  WEDNESDAY.

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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