Special Marine Warning
Issued by NWS Grand Rapids, MI

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505
WHUS53 KGRR 211111
SMWGRR
LMZ847>849-868-870-872-211245-
/O.NEW.KGRR.MA.W.0037.160921T1111Z-160921T1245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
711 AM EDT WED SEP 21 2016

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A

* SPECIAL MARINE WARNING FOR...
  NEARSHORE AND OPEN WATERS FROM GRAND HAVEN TO MANISTEE MI...

* UNTIL 845 AM EDT.

* AT 709 AM EDT...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 19 NAUTICAL MILES WEST OF THE LUDINGTON PIERHEADS TO
  15 NAUTICAL MILES EAST OF NORTH PT. LT....MOVING EAST AT 45 KNOTS.

  HAZARD...WIND GUSTS 34 KNOTS OR GREATER.

  SOURCE...RADAR INDICATED.

  IMPACT...HAZARDOUS CONDITIONS ABOVE DECK IN BRIEFLY HIGHER WINDS
           AND SUDDENLY HIGHER WAVES.

* LOCATIONS IMPACTED INCLUDE...
  THE MUSKEGON PIERHEADS...THE LUDINGTON PIERHEADS...THE LITTLE SABLE
  POINT LIGHTHOUSE AND THE PENTWATER PIERHEADS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES.

FREQUENT LIGHTNING IS OCCURRING WITH THESE STORMS. IF CAUGHT ON THE
OPEN WATER STAY BELOW DECK IF POSSIBLE...KEEP AWAY FROM UNGROUNDED
METAL OBJECTS.

&&

LAT...LON 4370 8712 4407 8702 4408 8650 4404 8651
      4397 8646 4383 8643 4375 8645 4367 8653
      4361 8654 4306 8625 4306 8710 4342 8715
TIME...MOT...LOC 1109Z 269DEG 44KT 4399 8693 4305 8751

HAIL...0.00IN
WIND...>34KTS

$$

WEBB



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