Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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000
WHUS73 KDTX 212047
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
347 PM EST SUN JAN 21 2018

...EASTERLY GALES MONDAY AFTERNOON AND EVENING...

.A WEAK COLD FRONT STALLED NEAR THE NORTH SHORE OF LAKE HURON WILL
SETTLE SLOWLY SOUTHWARD TONIGHT AND THEN MERGE WITH A WARM FRONT
OVER CENTRAL PORTIONS OF THE LAKE DURING MONDAY. THIS WILL OCCUR AS
LOW PRESSURE STRENGTHENS OVER IOWA AND CAUSE EASTERLY WIND TO
INCREASE CONSIDERABLY OVER THE NORTH HALF OF LAKE HURON DURING
MONDAY AFTERNOON AND EVENING, AND A GALE WARNING IS NOW IN EFFECT
DURING THIS TIME. THE SYSTEM WILL ALSO PRODUCE WIDESPREAD COVERAGE
OF PRECIPITATION, PRIMARILY RAIN FROM SAGINAW BAY SOUTHWARD AND A
WINTRY MIX TO THE NORTH. WIND WILL DIMINISH AS THE LOW MOVES THROUGH
CENTRAL LAKE HURON MONDAY NIGHT AND TUESDAY. NORTHWEST WIND TRAILING
THE SYSTEM COULD APPROACH GALES BRIEFLY TUESDAY NIGHT FOLLOWED BY
WEAK HIGH PRESSURE WEDNESDAY.

LHZ361>363-220900-
/O.UPG.KDTX.GL.A.0006.180122T1500Z-180123T0300Z/
/O.NEW.KDTX.GL.W.0007.180122T1500Z-180123T0300Z/
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
347 PM EST SUN JAN 21 2018

...GALE WARNING IN EFFECT FROM 10 AM TO 10 PM EST MONDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE
WARNING WHICH IS IN EFFECT FROM 10 AM TO 10 PM EST MONDAY.

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED
  WINDS UP TO 31 KNOTS FROM THE EAST WITH GUSTS UP TO 38 KNOTS.
  THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 11 FEET WITH A
  POTENTIAL MAXIMUM WAVE HEIGHT OF 16 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 5 PM EST MONDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 7 PM EST MONDAY.

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

AA


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