


Marine Weather Statement
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
170 FZUS73 KDLH 122025 MWSDLH Marine Weather Statement National Weather Service Duluth MN 325 PM CDT Tue Aug 12 2025 LSZ142-150-162-122115- 325 PM CDT Tue Aug 12 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... Taconite Harbor to Silver Bay Harbor MN... At 324 PM CDT, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots and small hail. These thunderstorms were located along a line extending from 7 nm southeast of Sugar Loaf Cove to 9 nm east of Silver Bay Marina and Ore Dock, moving east at 25 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 these storms pass. && LAT...LON 4731 9040 4707 9063 4722 9114 4742 9095 $$ Rothstein