058
FZUS73 KGRR 162030
MWSGRR

Marine Weather Statement
National Weather Service Grand Rapids MI
430 PM EDT Wed Jul 16 2025

LMZ844>846-874-876-878-162230-
430 PM EDT Wed Jul 16 2025

...STRONG THUNDERSTORMS APPROACHING THE WATERS...

The areas affected include...
  Nearshore and Open Waters from St Joseph to Grand Haven MI...

At 429 PM EDT, Doppler radar indicated strong thunderstorms, capable
of producing winds to around 30 knots. These thunderstorms were
located along a line extending from near Waukegan Harbor to near
Midway Airport to 16 nm southwest of Hammond Marina, moving northeast
at 30 knots.

Strong thunderstorms will remain over mainly open waters.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners can expect gusty winds to around 40 knots, locally higher
waves, and lightning strikes. Boaters should seek safe harbor
immediately until these storms pass.

A special marine warning will likely be required when these storms
reach the nearshore waters.
&&

LAT...LON 4213 8656 4212 8696 4274 8706 4305 8625
      4292 8621 4269 8621 4246 8625 4225 8635
      4211 8649

$$

OSTUNO