Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
520
WHUS73 KDTX 152024
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
324 PM EST FRI DEC 15 2017

...ELEVATED WAVES CONTINUE INTO TONIGHT...

.GUSTY W-SW WINDS WILL CONTINUE THROUGH THE EVENING AS A LOW PRESSURE
SYSTEM MOVE THROUGH THE NORTHERN GREAT LAKES. ANTICIPATE WINDS TO
REMAIN BELOW GALE FORCE, BUT THEY COULD REACH AROUND 30 KNOTS BEFORE
TURNING TO THE NW BEHIND A FRONT TONIGHT. SMALL CRAFT ADVISORIES FOR
THE OUTER SAGINAW BAY AND PORTIONS OF THE THUMB ALONG THE NEARSHORE
WATERS WILL REMAIN IN EFFECT FOR INCREASE WAVE HEIGHTS AND ROUGH
WATERS. WINDS WILL DIMINISH BY TOMORROW AFTERNOON AND REMAIN LIGHT
OUT OF THE EAST THIS WEEKEND AS A HIGH PRESSURE PASSES TO THE NORTH
OF THE GREAT LAKES.

LHZ421-441-160900-
/O.CON.KDTX.SC.Y.0097.000000T0000Z-171216T0900Z/
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-PORT AUSTIN TO HARBOR BEACH MI-
324 PM EST FRI DEC 15 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST
SATURDAY...

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 23 KNOTS FROM THE WEST WITH GUSTS UP TO
  29 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 7 PM EST FRIDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 9 PM EST 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.

&&

$$

IRL



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.