Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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WHUS73 KDTX 190158
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
958 PM EDT WED OCT 18 2017

...STRONG SOUTHWEST WIND OVERNIGHT THROUGH THURSDAY MORNING...

.SMALL CRAFT ADVISORIES ACROSS THE SAGINAW BAY WILL PERSIST AS
SOUTHWEST WINDS GUST BETWEEN 20 - 25 KTS, ISOLATED 30 KT, ACROSS
THE BAY. WINDS AND WIND GUSTS WILL START TO RELAX THROUGHOUT
THURSDAY MORNING AS THE PRESSURE GRADIENT WEAKENS, WHICH WILL HOLD
WIND GUSTS TO SUB-20 KNOTS THROUGH THE REMAINDER OF THE WEEK.
ADDITIONALLY, HIGH PRESSURE WILL HOLD STEADY THROUGH SATURDAY,
BRINGING RELAXED WAVES OVER THE BAY AND SHORELINES, ALONG WITH
COPIOUS AMOUNTS OF SUNSHINE.

LHZ421-422-441-191400-
/O.CON.KDTX.SC.Y.0068.000000T0000Z-171019T1400Z/
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-
958 PM EDT WED OCT 18 2017

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

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 25 KNOTS FROM THE SOUTHWEST WITH GUSTS UP
  TO 30 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 6
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 8 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 12 AM EDT
  THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 4 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.

&&

$$

BT



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