Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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000
WHUS73 KDTX 250144
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
944 PM EDT WED MAY 24 2017

...STEADY NORTHEAST WIND AND ELEVATED WAVES THROUGH THURSDAY...

.STRENGTHENING LOW PRESSURE OVER THE OHIO VALLEY TONIGHT WILL LIFT
TOWARD SOUTHEAST MICHIGAN TONIGHT AND REMAIN IN THE VICINITY THROUGH
THURSDAY BEFORE EXITING TO EAST BY THURSDAY NIGHT. THIS WILL
GENERATE A PERIOD OF MODERATE NORTHEAST WINDS AND HIGHER WAVES INTO
SAGINAW BAY AND SOUTHERN LAKE HURON NEARSHORE AREAS. THE BAY
RESPONDED STRONGLY TO LOWER STABILITY GENERATED BY THE WARMER WATER
COMPARED TO OPEN LAKE ZONES AND SOUTHERN NEARSHORE AREAS. SMALL
CRAFT ADVISORIES REMAIN IN EFFECT THROUGH THURSDAY. WESTERN LAKE
ERIE WILL BE MONITORED CONSIDERING WATER TEMPS ARE SIMILARLY WARM.
THE LOW PRESSURE SYSTEM WILL ALSO PRODUCE A STRETCH OF UNSETTLED
WEATHER PRODUCING EPISODIC SHOWERS AND A FEW THUNDERSTORMS DURING
THE EVENING, ESPECIALLY NEAR LAKE ST CLAIR AND WESTERN LAKE ERIE,
DIMINISHING TO SHOWERS OVERNIGHT THROUGH THURSDAY. THE EASTWARD EXIT
OF THIS LOW WILL BRING IMPROVING CONDITIONS BY FRIDAY.

LHZ421-422-251415-
/O.CON.KDTX.SC.Y.0042.000000T0000Z-170526T0200Z/
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-
944 PM EDT WED MAY 24 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT
THURSDAY...

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 23 KNOTS FROM THE NORTHEAST WITH GUSTS
  UP TO 27 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 9 PM EDT
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 9 AM EDT
  THURSDAY.

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.

&&

$$

LHZ441-251415-
/O.CON.KDTX.SC.Y.0042.000000T0000Z-170526T0200Z/
PORT AUSTIN TO HARBOR BEACH MI-
944 PM EDT WED MAY 24 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT
THURSDAY...

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 21 KNOTS FROM THE NORTHEAST WITH GUSTS
  UP TO 23 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 9 PM EDT
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 9 AM EDT
  THURSDAY.

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.

&&

$$

JVC



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