571 FZUS73 KGRR 271106 MWSGRR Marine Weather Statement National Weather Service Grand Rapids MI 706 AM EDT Mon Jul 27 2026 LMZ874-876-271116- /O.EXP.KGRR.MA.W.0054.000000T0000Z-260727T1115Z/ 706 AM EDT Mon Jul 27 2026 ...THE SPECIAL MARINE WARNING WILL EXPIRE AT 715 AM EDT... The affected areas were... Open Waters from South Haven to Grand Haven MI... The thunderstorm has moved out of the area and no longer poses a significant threat to boaters. LAT...LON 4245 8661 4246 8693 4262 8704 4280 8707 4284 8706 4280 8696 TIME...MOT...LOC 1106Z 330DEG 36KT 4229 8664 $$ OSTUNO 727 FZUS72 KMLB 271112 MWSMLB Marine Weather Statement National Weather Service Melbourne FL 712 AM EDT Mon Jul 27 2026 AMZ550-552-570-271215- 712 AM EDT Mon Jul 27 2026 ...A STRONG THUNDERSTORM APPROACHING THE WATERS... The areas affected include... Flagler Beach to Volusia-Brevard County Line 0-20 nm... Flagler Beach to Volusia-Brevard County Line 20-60 nm... Volusia-Brevard County Line to Sebastian Inlet 0-20 nm... At 712 AM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots. This thunderstorm was located near New Smyrna Beach, moving southeast at 15 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until this storm passes. && LAT...LON 2942 8113 2907 8028 2887 8032 2885 8037 2880 8033 2834 8041 2843 8078 2880 8089 2884 8085 2937 8113 $$ Fehling 864 FZUS73 KMQT 271123 MWSMQT Marine Weather Statement National Weather Service Marquette MI 723 AM EDT Mon Jul 27 2026 LSZ242-263-271200- 723 AM EDT Mon Jul 27 2026 A Marine Weather Statement has been issued for the following areas... 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... Ontonagon to Upper Entrance of Portage Canal MI... At 723 AM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots and small hail. This thunderstorm was located 25 nm southeast of The Western Lake Superior Buoy, 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 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. && LAT...LON 4719 8945 4718 8869 4711 8873 4697 8893 4695 8910 4691 8917 4701 8963 $$ TAP 672 FZUS73 KDLH 271128 MWSDLH Marine Weather Statement National Weather Service Duluth MN 628 AM CDT Mon Jul 27 2026 LSZ141-142-150-162-271230- 628 AM CDT Mon Jul 27 2026 A Marine Weather Statement has been issued for the following areas... Grand Marais to Taconite Harbor MN... Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM... Outer Apostle Islands Beyond 5 NM from Mainland... Taconite Harbor to Silver Bay Harbor MN... At 627 AM CDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots and small hail. This thunderstorm was located 8 nm west of Sugar Loaf Cove, moving southeast at 30 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until this storm passes. && LAT...LON 4734 9125 4743 9113 4755 9093 4718 9041 4700 9066 $$ Britt 234 FZUS73 KMQT 271129 MWSMQT Marine Weather Statement National Weather Service Marquette MI 729 AM EDT Mon Jul 27 2026 LSZ241-263-271145- /O.CON.KMQT.MA.W.0082.000000T0000Z-260727T1145Z/ 729 AM EDT Mon Jul 27 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 745 AM EDT... 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... At 729 AM EDT, a severe thunderstorm capable of producing waterspouts was located 19 nm south of The Western Lake Superior Buoy, moving southeast at 25 knots. HAZARD...Waterspouts, wind gusts 34 knots or greater, and large hail. SOURCE...Radar indicated. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. 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... Move to safe harbor until hazardous weather passes. && LAT...LON 4724 9006 4724 8942 4674 8992 4689 9029 TIME...MOT...LOC 1129Z 294DEG 23KT 4700 8990 WATERSPOUT...POSSIBLE HAIL...>.75IN WIND...>34KTS $$ TAP 302 FZUS73 KMQT 271140 MWSMQT Marine Weather Statement National Weather Service Marquette MI 740 AM EDT Mon Jul 27 2026 LSZ242-263-271200- /O.CON.KMQT.MA.W.0083.000000T0000Z-260727T1200Z/ 740 AM EDT Mon Jul 27 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 800 AM EDT... For the following areas... Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park... Ontonagon to Upper Entrance of Portage Canal MI... At 740 AM EDT, a strong thunderstorm was located 24 nm southwest of The Upper Entrance of Portage Canal, or 34 nm southeast of The Western Lake Superior Buoy, moving east at 35 knots. HAZARD...Wind gusts 34 knots or greater and small hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. The strong thunderstorm will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4714 8916 4708 8877 4697 8893 4695 8910 4692 8917 4696 8930 TIME...MOT...LOC 1140Z 288DEG 33KT 4703 8914 HAIL...<.75IN WIND...>34KTS $$ TAP 112 FZUS73 KDLH 271153 MWSDLH Marine Weather Statement National Weather Service Duluth MN 653 AM CDT Mon Jul 27 2026 LSZ150-162-271230- 653 AM CDT Mon Jul 27 2026 A Marine Weather Statement has been issued for the following areas... Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM... Outer Apostle Islands Beyond 5 NM from Mainland... At 653 AM CDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots and small hail. This thunderstorm was located 19 nm northeast of Devils Island, or 19 nm west of The Western Lake Superior Buoy, moving southeast 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 this storm passes. && LAT...LON 4703 9020 4731 9058 4754 8996 4750 8988 $$ Britt