Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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WHUS73 KDTX 230853
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
353 AM EST FRI FEB 23 2018

...GALES POSSIBLE THIS WEEKEND...

.WEAK LOW PRESSURE WILL TRACK NORTHEAST ACROSS THE NORTHERN GREAT
LAKES TODAY WITH LIGHT TO OCCASIONALLY MODERATE SOUTHEAST FLOW
GRADUALLY VEERING TO THE SOUTHWEST WITH TIME. HIGH PRESSURE WILL
THEN BUILD INTO THE REGION FROM THE WEST WITH CONTINUED LIGHT FLOW
VEERING NORTHERLY WITH TIME. THE FLOW WILL BECOME EAST/SOUTHEASTERLY
LATE SATURDAY AND INTO SATURDAY NIGHT AHEAD OF DEVELOPING LOW
PRESSURE ACROSS THE CENTRAL PLAINS. THIS AREA OF LOW PRESSURE WILL
RAPIDLY DEEPEN AS IT TRACKS NORTHEAST ACROSS THE NORTHERN GREAT
LAKES, LEADING TO DECREASED STABILITY AND A TIGHT PRESSURE GRADIENT
ACROSS THE LOCAL WATERS. GALE WATCHES WILL GO INTO EFFECT FOR ALL OF
THE LAKE HURON WATERS LATE SATURDAY NIGHT THROUGH SUNDAY FOR
POTENTIAL GUSTS APPROACHING 40 KNOTS.

LHZ361-362-232130-
/O.NEW.KDTX.GL.A.0008.180225T0600Z-180226T0000Z/
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-
353 AM EST FRI FEB 23 2018

...GALE WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY
EVENING...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE
WATCH WHICH IS IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY
EVENING.

* WIND AND WAVES: DURING THE GALE WATCH...EXPECT SUSTAINED WINDS
  UP TO 31 KNOTS FROM THE SOUTHEAST WITH GUSTS UP TO 42 KNOTS.
  THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 10 FEET WITH A
  POTENTIAL MAXIMUM WAVE HEIGHT OF 14 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 4 AM EST SUNDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 2 PM EST SUNDAY.

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO
47 KNOTS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING
AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE
ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER
ALTERING THEIR PLANS.

&&

$$

LHZ363-421-422-441>443-462>464-232130-
/O.NEW.KDTX.GL.A.0008.180225T1400Z-180226T0000Z/
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
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-HARBOR BEACH TO PORT SANILAC MI-
PORT SANILAC TO PORT HURON MI-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
353 AM EST FRI FEB 23 2018

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE
WATCH WHICH IS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING.

* WIND AND WAVES: DURING THE GALE WATCH...EXPECT SUSTAINED WINDS
  UP TO 29 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 41 KNOTS.
  THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 10 FEET WITH A
  POTENTIAL MAXIMUM WAVE HEIGHT OF 14 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 11 AM EST SUNDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 2 PM EST SUNDAY.

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO
47 KNOTS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING
AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE
ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER
ALTERING THEIR PLANS.

&&

$$



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