389
WHUS53 KGRR 120324
SMWGRR
LMZ848-870-120415-
/O.NEW.KGRR.MA.W.0026.250712T0324Z-250712T0415Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1124 PM EDT FRI JUL 11 2025
THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A
* SPECIAL MARINE WARNING FOR...
NEARSHORE AND OPEN WATERS FROM WHITEHALL TO PENTWATER MI...
* UNTIL 1215 AM EDT.
* AT 1123 PM EDT, A STRONG THUNDERSTORM WAS LOCATED NEAR WHITE LAKE
PIER HEADS, MOVING NORTHEAST AT 20 KNOTS.
HAZARD...WIND GUSTS TO 40 KNOTS.
SOURCE...RADAR.
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND
SUDDENLY HIGHER WAVES.
* THE STRONG THUNDERSTORM WILL REMAIN OVER MAINLY OPEN WATERS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. IF CAUGHT ON THE
OPEN WATER STAY BELOW DECK IF POSSIBLE, KEEP AWAY FROM UNGROUNDED
METAL OBJECTS.
LAT...LON 4340 8667 4355 8651 4351 8647 4341 8644
TIME...MOT...LOC 0323Z 227DEG 21KT 4340 8652
HAIL...0.00IN
WIND...40KTS
DUKE
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