969 FZUS72 KKEY 271203 MWSKEY Marine Weather Statement National Weather Service Key West FL 803 AM EDT Mon Jul 27 2026 GMZ052>054-072>074-271315- Straits of Florida from Ocean Reef to Craig Key out 20 NM- Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 NM- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM- Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out- Straits of Florida from Craig Key to west end of Seven Mile Bridge 20 to 60 NM out- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out- 803 AM EDT Mon Jul 27 2026 ...STRONG THUNDERSTORMS CONTINUE ACROSS THE FLORIDA STRAITS... A widespread cluster of showers and thunderstorms will continue to move to the southeast at near 10 knots across the Florida Straits. Stronger thunderstorms embedded in this cluster will be capable of producing gusty and erratic winds of 25 to 30 knots, frequent lightning strikes, and reduced visibility from heavy downpours. These stronger cells were not located in any inidividual location, and will be possible anywhere across the Florida Straits. $$ 583 FZUS73 KGRB 271206 MWSGRB Marine Weather Statement National Weather Service Green Bay WI 706 AM CDT Mon Jul 27 2026 LMZ542-565-271330- 706 AM CDT Mon Jul 27 2026 ...STRONG THUNDERSTORMS OVER THE WATERS... The areas affected include... Nearshore waters from Sturgeon Bay to Two Rivers... Open waters of Lake Michigan from Sturgeon Bay to Two Rivers... * At 706 AM CDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots and small hail. This strong thunderstorm was located near Algoma, or 6 miles northeast of Kewaunee, moving southeast at 40 mph. The strong thunderstorm will be near... Kewaunee and Kewaunee Pierhead Light around 710 AM CDT. Other locations impacted by this strong thunderstorm include Rostok. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds, small hail, high waves, dangerous lightning and heavy rains. Boaters should seek safe harbor immediately until this storm passes. && LAT...LON 4441 8751 4443 8750 4446 8750 4446 8751 4447 8751 4447 8752 4448 8751 4448 8752 4446 8754 4447 8754 4454 8747 4457 8745 4461 8744 4463 8740 4443 8698 4436 8691 4421 8697 4417 8729 TIME...MOT...LOC 1206Z 314DEG 35KT 4454 8746 $$ KS 451 FZUS72 KMLB 271216 MWSMLB Marine Weather Statement National Weather Service Melbourne FL 816 AM EDT Mon Jul 27 2026 AMZ550-552-570-271315- 816 AM EDT Mon Jul 27 2026 ...A STRONG THUNDERSTORM OVER 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 816 AM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots. This thunderstorm was located near Haulover Canal, 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. Waterspouts are possible with this activity. Remain on the alert in case warnings are issued for waterspout development. && LAT...LON 2918 8077 2906 8018 2887 8025 2887 8033 2886 8032 2885 8037 2876 8030 2847 8041 2852 8066 2855 8065 2856 8067 2852 8069 2855 8082 2874 8088 $$ Fehling 413 FZUS73 KDLH 271218 MWSDLH Marine Weather Statement National Weather Service Duluth MN 718 AM CDT Mon Jul 27 2026 LSZ141-142-271228- /O.CAN.KDLH.MA.W.0039.000000T0000Z-260727T1245Z/ 718 AM CDT Mon Jul 27 2026 ...THE SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Grand Marais to Taconite Harbor MN... Taconite Harbor to Silver Bay Harbor MN... The thunderstorm has moved out of the warned area and no longer poses a significant threat to boaters. A Severe Thunderstorm Watch remains in effect until 900 AM CDT for northwestern Wisconsin...and the adjacent waters of Lake Superior. && LAT...LON 4721 9101 4739 9071 4718 9041 4700 9066 TIME...MOT...LOC 1218Z 315DEG 25KT 4724 9089 $$ LSZ150-162-271245- /O.CON.KDLH.MA.W.0039.000000T0000Z-260727T1245Z/ 718 AM CDT Mon Jul 27 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 745 AM CDT... 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 718 AM CDT, a severe thunderstorm was located 12 nm northwest of Devils Island, moving southeast at 25 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. Locations impacted include... Rocky Island, South Twin Island, North Twin Island, and Devils Island. PRECAUTIONARY/PREPAREDNESS ACTIONS... && LAT...LON 4721 9101 4739 9071 4718 9041 4700 9066 TIME...MOT...LOC 1218Z 315DEG 25KT 4724 9089 HAIL...>.75IN WIND...>34KTS $$ BJH 327 FZUS73 KDLH 271229 MWSDLH Marine Weather Statement National Weather Service Duluth MN 729 AM CDT Mon Jul 27 2026 LSZ150-162-271245- /O.CON.KDLH.MA.W.0039.000000T0000Z-260727T1245Z/ 729 AM CDT Mon Jul 27 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 745 AM CDT... For the following areas... Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM... Outer Apostle Islands Beyond 5 NM from Mainland... At 729 AM CDT, a severe thunderstorm was located 7 nm northwest of Devils Island, or 39 nm west of The Western Lake Superior Buoy, moving southeast at 25 knots. HAZARD...Wind gusts 34 knots or greater and large hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. Locations impacted include... South Twin Island, North Twin Island, Devils Island, and Rocky Island. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4715 9086 4728 9064 4715 9045 4702 9063 TIME...MOT...LOC 1229Z 315DEG 25KT 4718 9081 HAIL...>.75IN WIND...>34KTS $$ BJH 792 FZUS73 KDLH 271243 MWSDLH Marine Weather Statement National Weather Service Duluth MN 743 AM CDT Mon Jul 27 2026 LSZ150-162-271252- /O.EXP.KDLH.MA.W.0039.000000T0000Z-260727T1245Z/ 743 AM CDT Mon Jul 27 2026 ...THE SPECIAL MARINE WARNING WILL EXPIRE AT 745 AM CDT... The affected areas were... Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM... Outer Apostle Islands Beyond 5 NM from Mainland... The thunderstorm has weakened and no longer poses a significant threat to boaters. A Severe Thunderstorm Watch remains in effect until 900 AM CDT for northwestern Wisconsin...and the adjacent waters of Lake Superior. && LAT...LON 4715 9086 4728 9064 4715 9045 4702 9063 TIME...MOT...LOC 1242Z 315DEG 25KT 4712 9072 $$ BJH 589 FZUS73 KMQT 271243 MWSMQT Marine Weather Statement National Weather Service Marquette MI 843 AM EDT Mon Jul 27 2026 LSZ241-242-263-271300- /O.CON.KMQT.MA.W.0084.000000T0000Z-260727T1300Z/ 843 AM EDT Mon Jul 27 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 900 AM EDT... For the following areas... Black River To Ontonagon MI... Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park... Ontonagon to Upper Entrance of Portage Canal MI... At 843 AM EDT, a severe thunderstorm was located 24 nm southwest of The Lower Entrance of Portage Canal, or 57 nm southeast of The Western Lake Superior Buoy, moving southeast at 70 knots. HAZARD...Wind gusts to 40 knots and large hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. The severe thunderstorm will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4711 8962 4693 8915 4683 8932 4681 8944 4678 8976 4673 8985 4670 8998 4688 9004 TIME...MOT...LOC 1243Z 301DEG 69KT 4667 8883 HAIL...>.75IN WIND...40KTS $$ bw 310 FZUS73 KDLH 271244 MWSDLH Marine Weather Statement National Weather Service Duluth MN 744 AM CDT Mon Jul 27 2026 LSZ146-271253- /O.CAN.KDLH.MA.W.0040.000000T0000Z-260727T1315Z/ 744 AM CDT Mon Jul 27 2026 ...THE SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Port Wing to Sand Island WI... The thunderstorm has moved out of the warned area and no longer poses a significant threat to boaters. A Severe Thunderstorm Watch remains in effect until 900 AM CDT for northwestern Wisconsin...and the adjacent waters of Lake Superior. && LAT...LON 4685 9083 4687 9080 4690 9080 4697 9083 4708 9074 4684 9032 4665 9059 TIME...MOT...LOC 1243Z 314DEG 25KT 4696 9076 $$ LSZ147-148-150-162-271315- /O.CON.KDLH.MA.W.0040.000000T0000Z-260727T1315Z/ 744 AM CDT Mon Jul 27 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 815 AM CDT... For the following areas... Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM... Oak Point to Saxon Harbor WI... Outer Apostle Islands Beyond 5 NM from Mainland... Sand Island to Bayfield WI... At 743 AM CDT, a severe thunderstorm was located over Raspberry Island, moving southeast at 25 knots. HAZARD...Wind gusts 34 knots or greater and large hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. Locations impacted include... Rocky Island, Raspberry Island, Ironwood Island, Basswood Island, Stockton Island, Oak Island, Madeline Island, Devils Island, Manitou Island, Hermit Island, Otter Island, Red Cliff, Michigan Island, and South Twin Island. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4685 9083 4687 9080 4690 9080 4697 9083 4708 9074 4684 9032 4665 9059 TIME...MOT...LOC 1243Z 314DEG 25KT 4696 9076 HAIL...>.75IN WIND...>34KTS $$ BJH 938 FZUS73 KMQT 271245 MWSMQT Marine Weather Statement National Weather Service Marquette MI 845 AM EDT Mon Jul 27 2026 LSZ240-241-263-271315- /O.CON.KMQT.MA.W.0085.000000T0000Z-260727T1315Z/ 845 AM EDT Mon Jul 27 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 915 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... Saxon Harbor WI to Black River MI... At 845 AM EDT, a severe thunderstorm was located 31 nm east of Madeline Island, or 36 nm south of The Western Lake Superior Buoy, moving southeast at 40 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... Move to safe harbor until hazardous weather passes. && LAT...LON 4686 9003 4675 8981 4673 8983 4665 8999 4665 9001 4666 9002 4671 9016 TIME...MOT...LOC 1245Z 309DEG 41KT 4671 8995 HAIL...>.75IN WIND...>34KTS $$ bw 958 FZUS73 KDLH 271252 MWSDLH Marine Weather Statement National Weather Service Duluth MN 752 AM CDT Mon Jul 27 2026 LSZ147-148-150-162-271301- /O.CAN.KDLH.MA.W.0040.000000T0000Z-260727T1315Z/ 752 AM CDT Mon Jul 27 2026 ...THE SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM... Oak Point to Saxon Harbor WI... Outer Apostle Islands Beyond 5 NM from Mainland... Sand Island to Bayfield WI... The thunderstorm has weakened and no longer poses a significant threat to boaters. A Severe Thunderstorm Watch remains in effect until 900 AM CDT for northwestern Wisconsin...and the adjacent waters of Lake Superior. && LAT...LON 4685 9083 4687 9080 4690 9080 4697 9083 4708 9074 4684 9032 4665 9059 TIME...MOT...LOC 1251Z 314DEG 25KT 4692 9070 $$ BJH