908 FZUS73 KLOT 062120 MWSLOT Marine Weather Statement National Weather Service Chicago/Romeoville 420 PM CDT Mon Oct 6 2025 LMZ740-062130- /O.CAN.KLOT.MA.W.0049.000000T0000Z-251006T2145Z/ 420 PM CDT Mon Oct 6 2025 ...THE SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Nearshore Waters from Winthrop Harbor to Wilmette Harbor... The thunderstorms have moved out of the warned area and no longer pose a significant threat to boaters. Additional thunderstorms are possible into tonight. && LAT...LON 4247 8741 4227 8722 4219 8758 4247 8755 TIME...MOT...LOC 2120Z 246DEG 28KT 4246 8747 4223 8751 $$ LMZ777-062145- /O.CON.KLOT.MA.W.0049.000000T0000Z-251006T2145Z/ 420 PM CDT Mon Oct 6 2025 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 445 PM CDT... For the following areas... Open Waters from Winthrop Harbor to Wilmette Harbor out to Mid Lake... At 420 PM CDT, strong thunderstorms were located along a line extending from 14 nm east of Winthrop Harbor to 11 nm northeast of Wilmette Harbor, moving northeast at 30 knots. HAZARD...Wind gusts to 40 knots and small hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Strong thunderstorms will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. && LAT...LON 4247 8741 4227 8722 4219 8758 4247 8755 TIME...MOT...LOC 2120Z 246DEG 28KT 4246 8747 4223 8751 HAIL...<.75IN WIND...40KTS $$ Carlaw  181 FZUS73 KMKX 062127 MWSMKX Marine Weather Statement National Weather Service Milwaukee/Sullivan WI 427 PM CDT Mon Oct 6 2025 LMZ675-062200- 427 PM CDT Mon Oct 6 2025 ...STRONG THUNDERSTORMS OVER THE WATERS... The areas affected include... Lake Michigan from Wind Point WI TO Winthrop Harbor IL 5 nm off shore to mid lake... At 427 PM CDT, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots. These thunderstorms were located along a line extending from 18 nm east of Winthrop Harbor to 19 nm east of Waukegan Harbor to 15 nm northeast of Wilmette Harbor, moving east at 25 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. This strong thunderstorms will likely produce winds to around 30 knots, and could pose a serious hazard for boaters. A special marine warning may eventually be required when these storms reach the nearshore waters. Boaters should consider heading for shore before these storms arrive. && LAT...LON 4247 8746 4251 8747 4257 8703 4246 8702 $$ QUIGLEY  897 FZUS73 KLOT 062128 MWSLOT Marine Weather Statement National Weather Service Chicago/Romeoville 428 PM CDT Mon Oct 6 2025 LMZ777-062230- 428 PM CDT Mon Oct 6 2025 ...STRONG THUNDERSTORMS OVER THE WATERS... The areas affected include... Open Waters from Winthrop Harbor to Wilmette Harbor out to Mid Lake... At 427 PM CDT, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots. These thunderstorms were located along a line extending from 16 nm east of Winthrop Harbor to 12 nm northeast of Wilmette Harbor, moving east at 25 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, lightning strikes, small hail, and heavy downpours. Boaters should seek safe harbor immediately until these storms pass. && LAT...LON 4246 8702 4217 8697 4217 8747 4222 8747 4229 8729 4247 8744 $$ Carlaw  120 FZUS73 KLOT 062145 MWSLOT Marine Weather Statement National Weather Service Chicago/Romeoville 445 PM CDT Mon Oct 6 2025 LMZ777-062155- /O.EXP.KLOT.MA.W.0049.000000T0000Z-251006T2145Z/ 445 PM CDT Mon Oct 6 2025 ...THE SPECIAL MARINE WARNING EXPIRED AT 445 PM CDT... The affected areas were... Open Waters from Winthrop Harbor to Wilmette Harbor out to Mid Lake... The thunderstorms have moved out of the area. Additional showers and thunderstorms are possible this evening and overnight. && LAT...LON 4247 8741 4227 8722 4219 8758 4247 8755 TIME...MOT...LOC 2145Z 247DEG 28KT 4253 8726 4230 8730 $$ Carlaw  811 WHUS53 KGRR 062149 SMWGRR LMZ844-845-874-876-878-062315- /O.NEW.KGRR.MA.W.0036.251006T2149Z-251006T2315Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Grand Rapids MI 549 PM EDT Mon Oct 6 2025 The National Weather Service in Grand Rapids has issued a * Special Marine Warning for... Nearshore Waters from St Joseph to Holland MI... Open Waters from St Joseph to Grand Haven MI... * Until 715 PM EDT. * At 548 PM EDT, strong thunderstorms capable of producing waterspouts were located along a line extending from 25 nm east of Winthrop Harbor to 23 nm northeast of Wilmette Harbor, moving east at 25 knots. HAZARD...Waterspouts, wind gusts 34 knots or greater, and small hail. SOURCE...Radar. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... South Haven Light, St. Joseph Light, and St. Joseph. PRECAUTIONARY/PREPAREDNESS ACTIONS... Frequent lightning is occurring with these storms. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects. && LAT...LON 4213 8656 4212 8696 4278 8706 4277 8621 4258 8623 4236 8629 4225 8635 4211 8649 TIME...MOT...LOC 2148Z 254DEG 26KT 4250 8722 4225 8721 WATERSPOUT...POSSIBLE HAIL...<.75IN WIND...>34KTS $$ JC