Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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000
WHUS73 KDTX 241402
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1002 AM EDT TUE APR 24 2018

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

.SCATTERED TO NUMEROUS RAIN SHOWERS WILL SPREAD NORTHWARD ACROSS THE
CENTRAL GREAT LAKES TODAY AND TONIGHT. THE MOISTURE IS STREAMING
NORTHWARD FROM THE TENNESSEE VALLEY LOW PRESSURE SYSTEM AND AHEAD OF
A WEAK COLD FRONT MOVING INTO THE WESTERN GREAT LAKES. THE FRONT
WILL SWEEP THE RAIN EASTWARD EARLY WEDNESDAY AND BE FOLLOWED BY
MODERATE NORTH WIND INTO WEDNESDAY EVENING. LIGHT AND VARIABLE WIND
IS PROJECTED TO TURN NORTH OVER ALL MARINE AREAS BY SUNRISE AND
QUICKLY INCREASE TO GUSTS AROUND 25 KNOTS WEDNESDAY MORNING. SMALL
CRAFT ADVISORIES IN EFFECT FOR SAGINAW BAY AND SOUTHERN LAKE
HURON DUE TO BOTH THE WIND AND WAVES BUILDING IN EXCESS OF 4 FEET
THROUGH WEDNESDAY AFTERNOON INTO WEDNESDAY EVENING. WIND AND WAVE
CONDITIONS THEN DIMINISH OVERNIGHT THROUGH THURSDAY AS HIGH
PRESSURE BUILDS INTO THE REGION. THE NEXT COLD FRONT REMAINS ON
TRACK TO ARRIVE THURSDAY NIGHT INTO FRIDAY AND IS ALSO PROJECTED
TO BE ON THE WEAK SIDE IN TERMS OF BOTH RAIN AND WINDOUTER
POTENTIAL.

LHZ421-441>443-250215-
/O.NEW.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-
1002 AM EDT TUE APR 24 2018

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

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY WHICH IS 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 7
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 10 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 10 AM EDT
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 12 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.

&&

$$

LHZ422-250215-
/O.NEW.KDTX.SC.Y.0022.180425T1200Z-180425T2200Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
1002 AM EDT TUE APR 24 2018

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

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY WHICH IS 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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