417
FZUS73 KGRR 121321
MWSGRR

Marine Weather Statement
National Weather Service Grand Rapids MI
921 AM EDT Tue Aug 12 2025

LMZ847>849-868-872-121331-
/O.EXP.KGRR.MA.W.0033.000000T0000Z-250812T1330Z/
921 AM EDT Tue Aug 12 2025

...THE SPECIAL MARINE WARNING WILL EXPIRE AT 930 AM EDT...

The affected areas were...
  Nearshore Waters from Grand Haven to Manistee MI...
  Open Waters from Grand Haven to Whitehall MI...

The thunderstorms have moved out of the area and no longer pose a
significant threat to boaters.

LAT...LON 4306 8649 4341 8661 4341 8653 4361 8662
      4370 8661 4378 8654 4379 8661 4383 8659
      4383 8650 4381 8643 4368 8653 4363 8654
      4334 8641 4306 8625
TIME...MOT...LOC 1321Z 265DEG 36KT 4384 8600 4357 8578 4318 8589

$$

JC