Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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008
WHUS73 KDTX 181454
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1054 AM EDT SUN JUN 18 2017

...SMALL CRAFT ADVISORIES FOR SAGINAW BAY AND LAKE ST CLAIR...

.A LOW PRESSURE SYSTEM WILL STRENGTHEN AS IT LIFTS THROUGH THE GREAT
LAKES THIS AFTERNOON. THIS SYSTEM WILL PULL A COLD FRONT THROUGH THE
REGION THIS AFTERNOON WITH A CHANCE OF SHOWERS AND THUNDERSTORMS IN
ADVANCE OF IT. SOUTHWEST WINDS ARE EXPECTED TO APPROACH SMALL CRAFT
GUSTS, BUT THE FLOW WILL BE PREDOMINANTLY OFFSHORE - SO WAVES WILL
SHOULD REMAIN SOMEWHAT TEMPERED. THE EXCEPTION WILL BE SAGINAW BAY
WHERE LONGER FETCH CONDITIONS WILL BECOME ESTABLISH BEHIND THE FRONT.

LCZ460-190000-
/O.EXA.KDTX.SC.Y.0047.000000T0000Z-170619T0000Z/
LAKE ST CLAIR-
1054 AM EDT SUN JUN 18 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY WHICH IS IN EFFECT UNTIL 8 PM EDT THIS
EVENING.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 16 KNOTS FROM THE SOUTHWEST WITH GUSTS
  UP TO 27 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL
  BE 2 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 2 FEET.

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

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.

&&

$$

LHZ421-422-190000-
/O.CON.KDTX.SC.Y.0047.000000T0000Z-170619T0000Z/
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-
1054 AM EDT SUN JUN 18 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 20 KNOTS FROM THE SOUTHWEST WITH GUSTS
  UP TO 30 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL
  BE 3 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 4 FEET.

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

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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