456
FZUS73 KGRR 182350
MWSGRR

Marine Weather Statement
National Weather Service Grand Rapids MI
750 PM EDT Tue Aug 18 2026

LMZ848-849-868-870-182357-
/O.EXP.KGRR.MA.W.0066.000000T0000Z-260818T2345Z/
750 PM EDT Tue Aug 18 2026

...THE SPECIAL MARINE WARNING EXPIRED AT 745 PM EDT...

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

The thunderstorms have weakened and no longer pose a significant
threat to boaters.

LAT...LON 4379 8644 4374 8646 4368 8653 4363 8654
      4351 8647 4341 8645 4346 8689 4387 8689
      4392 8645 4385 8643
TIME...MOT...LOC 2347Z 270DEG 18KT 4380 8635 4353 8636

$$

DUKE