FZUS73 KIWX 181554 MWSIWX Marine Weather Statement National Weather Service Northern Indiana 1154 AM EDT Sat Jul 18 2026 LMZ043-080-181700- 1154 AM EDT Sat Jul 18 2026 ...STRONG THUNDERSTORMS OVER THE WATERS... The areas affected include... Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to mid-line of lake.... New Buffalo MI to St Joseph MI... At 1154 AM EDT, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots. These thunderstorms were located along a line extending from 20 nm east of Wilmette Harbor to near St. Joseph Light, moving east at 40 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until these storms pass. && LAT...LON 4200 8656 4194 8658 4189 8662 4202 8697 4212 8696 4213 8657 4211 8649 $$ DN