763 WHUS53 KLOT 060528 SMWLOT LMZ740-741-777-779-060730- /O.NEW.KLOT.MA.W.0033.260606T0528Z-260606T0730Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Chicago/Romeoville 1228 AM CDT Sat Jun 6 2026 The National Weather Service in Chicago has issued a * Special Marine Warning for... Nearshore Waters from Winthrop Harbor to Northerly Island... Open Waters from Winthrop Harbor to Michigan City out to Mid Lake... * Until 230 AM CDT. * At 1226 AM CDT, strong thunderstorms extended from Belvidere to Crystal Lake to Lake Forest, and were moving east at 25 to 30 knots. In addition, a front with a northwesterly wind shift was moving southward from Wisconsin at about 30 knots. HAZARD...Wind gusts to 40 knots and small hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Winthrop Harbor, Waukegan Harbor, and Wilmette Harbor. Move to safe harbor until hazardous weather passes. LAT...LON 4246 8702 4227 8698 4194 8697 4202 8766 4208 8768 4212 8774 4227 8783 4230 8783 4231 8782 4233 8782 4233 8783 4237 8783 4237 8782 4236 8782 4239 8780 4248 8780 TIME...MOT...LOC 0526Z 277DEG 24KT 4228 8824 HAIL...<.75IN WIND...40KTS $$ Borchardt 303 WHUS53 KGRR 060530 SMWGRR LMZ844-845-876-878-060730- /O.NEW.KGRR.MA.W.0030.260606T0530Z-260606T0730Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Grand Rapids MI 130 AM EDT Sat Jun 6 2026 The National Weather Service in Grand Rapids has issued a * Special Marine Warning for... Nearshore and Open Waters from St Joseph to Holland MI... * Until 330 AM EDT. * At 128 AM EDT, strong thunderstorms were located along a line extending from Holland Light to 32 nm east of Wind Pt., moving south at 25 knots. A strong wind shift will push south through the area through 330 AM with additional thunderstorms developing as well. Hazardous conditions for all mariners is expected. HAZARD...Wind gusts to 40 knots and small hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... South Haven Light, St. Joseph Light, and St. Joseph. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4213 8656 4212 8696 4276 8705 4278 8689 4277 8621 4245 8626 4228 8634 4211 8649 TIME...MOT...LOC 0528Z 350DEG 23KT 4280 8620 4271 8702 HAIL...<.75IN WIND...40KTS $$ DUKE 794 WHUS53 KIWX 060550 SMWIWX LMZ043-080-060745- /O.NEW.KIWX.MA.W.0021.260606T0550Z-260606T0745Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Northern Indiana 150 AM EDT Sat Jun 6 2026 The National Weather Service in Northern Indiana has issued a * Special Marine Warning for... Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to mid-line of lake.... New Buffalo MI to St Joseph MI... * Until 345 AM EDT. * At 148 AM EDT, a strong thunderstorm was located 20 nm east of Wilmette Harbor, moving east at 25 knots. HAZARD...Wind gusts to 40 knots. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... St. Joseph. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4193 8659 4186 8666 4192 8697 4212 8696 4213 8657 4211 8649 TIME...MOT...LOC 0548Z 281DEG 25KT 4215 8723 HAIL...0.00IN WIND...40KTS $$ NWS