011 WHUS53 KMQT 292024 SMWMQT LSZ240-241-263-292200- /O.NEW.KMQT.MA.W.0014.260629T2024Z-260629T2200Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Marquette MI 424 PM EDT Mon Jun 29 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 600 PM EDT. * At 424 PM EDT, strong thunderstorms were located along a line extending from 21 nm northeast of Devils Island to near Madeline Island, moving northeast at 45 knots. HAZARD...Wind gusts to nearly 50 knots and small hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... The Western Lake Superior Buoy. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. 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 4756 8985 4772 8926 4680 8949 4678 8976 4664 9000 4656 9043 4665 9044 TIME...MOT...LOC 2024Z 243DEG 45KT 4734 9039 4678 9062 HAIL...<.75IN WIND...49KTS $$ jp 414 WHUS52 KCHS 292028 SMWCHS AMZ364-384-292200- /O.NEW.KCHS.MA.W.0043.260629T2028Z-260629T2200Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Charleston SC 428 PM EDT Mon Jun 29 2026 The National Weather Service in Charleston has issued a * Special Marine Warning for... Waters from Savannah GA to Altamaha Sound GA out 60 NM... * Until 600 PM EDT. * At 428 PM EDT, strong thunderstorms were located along a line from over C C A Buoy to near Sapelo Channelbuoy 3, moving south at 15 knots. HAZARD...Wind gusts to 34 knots. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Sapelo Buoy S, Grays Reef Buoy, Honey Barge, Steel Barge Modena, Tug Rio Apon, Tug Elmira, Buoy J, K T K Buoy, Ferry Boat Janet, Buoy Tender Sagebrush, C A T Buoy, D R H Buoy, John Bird, Tug Rio Caroni and Buoy B H. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 3131 8142 3135 8139 3135 8132 3145 8134 3146 8129 3144 8126 3150 8122 3152 8129 3155 8130 3159 8118 3167 8116 3170 8121 3170 8100 3182 8072 3141 8036 3122 8084 3128 8124 3128 8134 3130 8136 3128 8138 TIME...MOT...LOC 2028Z 341DEG 14KT 3171 8068 3159 8097 3160 8117 MAX HAIL SIZE...0.00 IN MAX WIND GUST...34 KTS $$ DPB 859 WHUS53 KDLH 292030 SMWDLH LSZ121-147-148-150-162-292100- /O.NEW.KDLH.MA.W.0019.260629T2030Z-260629T2100Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Duluth MN 330 PM CDT Mon Jun 29 2026 The National Weather Service in Duluth MN has issued a * Special Marine Warning for... Chequamegon Bay-Bayfield to Oak Point WI... 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... * Until 400 PM CDT. * At 330 PM CDT, a strong thunderstorm was located near Madeline Island, moving east at 45 knots. HAZARD...Wind gusts to 40 knots. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Ashland Breakwater Lighthouse, Ironwood Island, Basswood Island, Saxon Harbor, Stockton Island, Madeline Island, Devils Island, Manitou Island, Cat Island, North Twin Island, La Pointe, Apostle Islands National Lake Shore, Michigan Island, Outer Island, Rocky Island, Raspberry Island, Marble Point, Oak Point, Oak Island, and South Twin Island. PRECAUTIONARY/PREPAREDNESS ACTIONS... && LAT...LON 4656 9054 4657 9059 4664 9071 4661 9079 4656 9092 4657 9097 4667 9094 4670 9089 4676 9092 4687 9080 4690 9080 4693 9086 4693 9090 4709 9077 4718 9010 4666 9044 4657 9043 4656 9041 TIME...MOT...LOC 2030Z 282DEG 44KT 4682 9056 HAIL...0.00IN WIND...40KTS $$ Moore 816 WHCA52 TJSJ 292047 SMWSJU AMZ735-741-742-745-292145- /O.NEW.TJSJ.MA.W.0015.260629T2047Z-260629T2145Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service San Juan PR 447 PM AST Mon Jun 29 2026 The National Weather Service in San Juan has issued a * Special Marine Warning for... Coastal Waters OF Northwestern Puerto Rico out 10 NM... Coastal Waters OF Southwestern Puerto Rico out 10 NM... Coastal Waters of Southern Puerto Rico out 10 NM... Mona Passage Southward to 17N... * Until 545 PM AST. * At 446 PM AST, a strong thunderstorm was located over mainly areas of western Coastal waters over the Mona passage , moving west at 10 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * The strong thunderstorm will remain over mainly open waters. && LAT...LON 1832 6747 1831 6724 1829 6720 1825 6717 1818 6717 1816 6719 1813 6717 1807 6719 1807 6718 1805 6720 1804 6720 1802 6717 1798 6722 1794 6720 1795 6747 TIME...MOT...LOC 2046Z 056DEG 46KT 1809 6728 HAIL...0.00IN WIND...>34KTS $$ LIS