379 WHUS52 KCHS 270103 SMWCHS AMZ360-362-380-382-270300- /O.NEW.KCHS.MA.W.0067.260727T0103Z-260727T0300Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Charleston SC 903 PM EDT Sun Jul 26 2026 The National Weather Service in Charleston has issued a * Special Marine Warning for... Waters from South Santee River SC to Savannah GA out 60 NM... * Until 1100 PM EDT. * At 903 PM EDT, strong thunderstorms were located along a line from over Kiawah Reef to over Beaufort 45 Feet Reef, moving east at 10 knots. These storms have a history of producing wind gusts in excess of 34 kt. HAZARD...Wind gusts to 40 knots. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Edisto Offshore Reef and Betsy Ross Reef. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters should seek safe harbor immediately until these storms pass. Wind gusts 34 knots or greater, high waves, dangerous lightning, and heavy rain are possible with these storms. && LAT...LON 3198 8052 3244 7999 3251 8020 3244 7952 3208 7997 3187 8027 TIME...MOT...LOC 0103Z 287DEG 12KT 3246 8004 3230 8034 3214 8053 MAX HAIL SIZE...0.00 IN MAX WIND GUST...40 KTS $$ ST 378 WHUS53 KDLH 270124 SMWDLH LSZ141>143-146-147-150-162-270300- /O.NEW.KDLH.MA.W.0036.260727T0124Z-260727T0300Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Duluth MN 824 PM CDT Sun Jul 26 2026 The National Weather Service in Duluth MN has issued a * Special Marine Warning for... Grand Marais to Taconite Harbor MN... Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM... Outer Apostle Islands Beyond 5 NM from Mainland... Port Wing to Sand Island WI... Sand Island to Bayfield WI... Silver Bay Harbor to Two Harbors MN... Taconite Harbor to Silver Bay Harbor MN... * Until 1000 PM CDT. * At 824 PM CDT, showers were located along a line extending from 8 nm east of Silver Bay Marina and Ore Dock to 10 nm southeast of Twin Points Safe Harbor, moving southeast at 35 knots. HAZARD...Wind gusts to nearly 50 knots. SOURCE...Land Observations in Silver Bay and Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Ironwood Island, Basswood Island, Sand Island, Stockton Island, Madeline Island, Twin Points Safe Harbor, Devils Island, Manitou Island, Beaver Bay, Cat Island, North Twin Island, York Island, Split Rock Lighthouse, Apostle Islands National Lake Shore, Michigan Island, Outer Island, Rocky Island, Raspberry Island, Sugar Loaf Cove, and Oak Island. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. && LAT...LON 4687 9081 4690 9080 4693 9086 4692 9094 4713 9152 4741 9117 4756 9091 4726 9004 4667 9045 TIME...MOT...LOC 0124Z 294DEG 36KT 4724 9106 4702 9128 HAIL...0.00IN WIND...49KTS $$ Wolfe 385 WHUS53 KMQT 270129 SMWMQT LSZ263-264-270230- /O.NEW.KMQT.MA.W.0078.260727T0129Z-260727T0230Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Marquette MI 929 PM EDT Sun Jul 26 2026 The National Weather Service in Marquette has issued a * Special Marine Warning for... 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... Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border... * Until 1030 PM EDT. * At 929 PM EDT, a severe thunderstorm was located 10 nm south of Mott Island Park Headquarters, moving southeast at 35 knots. HAZARD...Wind gusts 34 knots or greater and large hail. SOURCE...Radar. 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 4789 8867 4802 8856 4783 8762 4761 8789 TIME...MOT...LOC 0129Z 295DEG 35KT 4794 8852 HAIL...>.75IN WIND...>34KTS $$ lc 887 WHUS53 KMQT 270157 SMWMQT LSZ240-241-263-270300- /O.NEW.KMQT.MA.W.0079.260727T0157Z-260727T0300Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Marquette MI 957 PM EDT Sun Jul 26 2026 The National Weather Service in Marquette has issued a * Special Marine Warning for... Black River To Ontonagon MI... Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park... Saxon Harbor WI to Black River MI... * Until 1100 PM EDT. * At 957 PM EDT, showers were located along a line extending from 6 nm north of Devils Island to Red Cliff, moving southeast at 35 knots. HAZARD...Wind gusts to nearly 50 knots. SOURCE...Land Observations and Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Showers will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. && LAT...LON 4714 9012 4696 8935 4695 8936 4688 8932 4689 8927 4685 8927 4682 8934 4678 8976 4662 9004 4655 9030 4656 9034 4653 9039 4657 9044 4665 9044 TIME...MOT...LOC 0157Z 298DEG 44KT 4718 9069 4685 9078 HAIL...0.00IN WIND...49KTS $$ lc