014 FZUS73 KGRB 291010 MWSGRB Marine Weather Statement National Weather Service Green Bay WI 510 AM CDT Mon Jun 29 2026 LMZ541-563-291115- 510 AM CDT Mon Jun 29 2026 ...STRONG THUNDERSTORMS OVER THE OPEN WATERS... The areas affected include... Nearshore waters from Washington Island to Sturgeon Bay... Open waters of Lake Michigan from Rock Island Passage to Sturgeon Bay... * At 510 AM CDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots and small hail. This strong thunderstorm was located 22 miles southeast of Newport State Park, or 34 miles east of Sturgeon Bay, moving east at 30 mph. Additional strong storms were just east of Washington Island. These strong thunderstorms will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Report severe weather to the Coast Guard or nearest law enforcement agency. They will relay your report to the National Weather Service office. && LAT...LON 4498 8705 4541 8681 4536 8669 4533 8629 4513 8644 4488 8669 4480 8673 4476 8678 4494 8707 TIME...MOT...LOC 1009Z 247DEG 27KT 4497 8671 $$ JLA 361 FZUS73 KMQT 291015 MWSMQT Marine Weather Statement National Weather Service Marquette MI 615 AM EDT Mon Jun 29 2026 LMZ221-248-250-261-291100- 615 AM EDT Mon Jun 29 2026 A Marine Weather Statement has been issued for the following areas... 5NM East of a line from Fairport MI to Rock Island Passage... Green Bay North of line from Cedar River MI to Rock Island Passage... Lake Michigan from Seul Choix Point to Rock Island Passage 5NM offshore to Mid Lake... Seul Choix Point to Point Detour MI... At 615 AM EDT, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots. These thunderstorms were located along a line extending from 21 nm north of Minneapolis Shoal to 17 nm north of Summer Island to near Point Detour to near St Martin Island to Rock Island, moving northeast at 10 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until these storms pass. && LAT...LON 4537 8673 4543 8682 4541 8685 4557 8678 4574 8678 4586 8684 4590 8680 4589 8666 4594 8655 4589 8647 4580 8649 4582 8641 4583 8640 4587 8637 4578 8631 4554 8625 $$ tdud 723 FZUS73 KMQT 291031 MWSMQT Marine Weather Statement National Weather Service Marquette MI 631 AM EDT Mon Jun 29 2026 LSZ240-241-263-291115- 631 AM EDT Mon Jun 29 2026 A Marine Weather Statement has been issued for the following areas... Black River To Ontonagon MI... Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park... Saxon Harbor WI to Black River MI... At 631 AM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots. This thunderstorm was located 7 nm east of Madeline Island, or 39 nm southwest of The Western Lake Superior Buoy, moving northeast at 30 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 this storm passes. This strong thunderstorm 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 this strong thunderstorm reaches the nearshore waters. Boaters should consider heading for shore before this strong thunderstorm arrives. Intense lightning is occurring with this storm. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects. && LAT...LON 4706 9017 4676 8996 4664 9043 4665 9044 $$ tdud 338 FZUS73 KMQT 291033 MWSMQT Marine Weather Statement National Weather Service Marquette MI 633 AM EDT Mon Jun 29 2026 LMZ221-291100- /O.CON.KMQT.MA.W.0011.000000T0000Z-260629T1100Z/ 633 AM EDT Mon Jun 29 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 700 AM EDT... For the following areas... Green Bay North of line from Cedar River MI to Rock Island Passage... At 632 AM EDT, a severe thunderstorm was located 13 nm north of Minneapolis Shoal, moving northeast at 20 knots. HAZARD...Wind gusts 34 knots or greater and large hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. The severe thunderstorm will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Frequent lightning is occurring with this storm. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects. && LAT...LON 4572 8715 4573 8712 4583 8711 4592 8703 4595 8697 4592 8688 4575 8692 4590 8680 4589 8670 4579 8663 4567 8711 TIME...MOT...LOC 1032Z 244DEG 19KT 4581 8703 HAIL...>.75IN WIND...>34KTS $$ tdud 954 FZUS73 KMQT 291050 MWSMQT Marine Weather Statement National Weather Service Marquette MI 650 AM EDT Mon Jun 29 2026 LMZ221-291100- /O.EXP.KMQT.MA.W.0011.000000T0000Z-260629T1100Z/ 650 AM EDT Mon Jun 29 2026 ...THE SPECIAL MARINE WARNING WILL EXPIRE AT 700 AM EDT... The affected areas were... Green Bay North of line from Cedar River MI to Rock Island Passage... The thunderstorm has weakened and no longer poses a significant threat to boaters. && LAT...LON 4572 8715 4573 8712 4583 8711 4592 8703 4595 8697 4592 8688 4575 8692 4590 8680 4589 8670 4579 8663 4567 8711 TIME...MOT...LOC 1050Z 247DEG 27KT 4586 8687 $$ tdud