Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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323
WHUS73 KDTX 181945
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
345 PM EDT FRI AUG 18 2017

...WINDS DIMINISHING TONIGHT...

.SMALL CRAFT ADVISORIES WILL CONTINUE INTO THE EVENING AS
STRONG AND GUSTY WESTERLY WINDS CONTINUE. THESE WINDS WILL
GRADUALLY WEAKEN OVERNIGHT AND CONTINUE TO WEAKEN SATURDAY AS HIGH
PRESSURE BUILDS IN FROM THE WEST. A WEAK DISTURBANCE MAY BRING SOME
LIGHT SHOWERS ACROSS WESTERN LAKE ERIE SATURDAY MORNING. LIGHT
WESTERLY WINDS SATURDAY WILL BACK TO THE SOUTH SOUTHWEST ON SUNDAY
AND CONTINUE INTO THE BEGINNING OF NEXT WEEK. THE NEXT CHANCE FOR
SHOWERS AND THUNDERSTORMS WILL START ACROSS LAKE HURON MONDAY THEN
SPREAD ACROSS ALL OF THE WATER MONDAY NIGHT AND CONTINUE THROUGH
TUESDAY. WINDS WILL FINALLY VEER BACK NORTHWEST TUESDAY NIGHT.

LHZ441-442-190000-
/O.CON.KDTX.SC.Y.0055.000000T0000Z-170819T0000Z/
PORT AUSTIN TO HARBOR BEACH MI-HARBOR BEACH TO PORT SANILAC MI-
345 PM EDT FRI AUG 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 21 KNOTS FROM THE WEST WITH GUSTS UP TO
  30 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 5
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 7 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 3 PM EDT FRIDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 3 PM EDT FRIDAY.

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.0055.000000T0000Z-170819T0000Z/
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-
345 PM EDT FRI AUG 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 21 KNOTS FROM THE WEST WITH GUSTS UP TO
  30 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 5
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 7 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 3 PM EDT FRIDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 3 PM EDT FRIDAY.

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.

&&

$$

LHZ443-190000-
/O.CON.KDTX.SC.Y.0055.000000T0000Z-170819T0000Z/
PORT SANILAC TO PORT HURON MI-
345 PM EDT FRI AUG 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 16 KNOTS FROM THE WEST WITH GUSTS UP TO
  26 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 3 PM EDT FRIDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 3 PM EDT FRIDAY.

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.

&&

$$

LCZ460-LEZ444-190000-
/O.CON.KDTX.SC.Y.0055.000000T0000Z-170819T0000Z/
LAKE ST CLAIR-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
345 PM EDT FRI AUG 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 WEST WITH GUSTS UP TO
  29 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 3 PM EDT FRIDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 3 PM EDT FRIDAY.

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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