


Marine Weather Statement
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
734 FZUS73 KDLH 152359 MWSDLH Marine Weather Statement National Weather Service Duluth MN 659 PM CDT Tue Jul 15 2025 LSZ147-150-162-160045- 659 PM CDT Tue Jul 15 2025 ...STRONG THUNDERSTORMS OVER THE WATERS... The areas affected include... Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM... Outer Apostle Islands Beyond 5 NM from Mainland... Sand Island to Bayfield WI... At 658 PM CDT, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots. These thunderstorms were located along a line extending from 17 nm southeast of Sugar Loaf Cove to Devils Island to near York Island, moving southeast at 30 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, lightning strikes, and heavy downpours. Boaters should seek safe harbor immediately until these storms pass. && LAT...LON 4716 9017 4687 9031 4675 9049 4709 9100 4720 9094 4735 9083 $$ JDS