Marine Weather Statement

FROM: NWS Duluth MN
AREA: Silver Bay Harbor to Two Harbors MN; Two Harbors to Duluth MN; Duluth MN to Port Wing WI; Port Wing to Sand Island WI; Sand Island to Bayfield WI; Outer Apostle Islands Beyond 5 NM from Mainland; Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM
SENT: 2026-06-15T19:14:00-05:00

Marine Weather Statement issued June 15 at 7:14PM CDT by NWS Duluth MN

The areas affected include…
Duluth MN to Port Wing WI…
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…
Two Harbors to Duluth MN…

At 713 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 near Castle
Danger to near French River to near Superior Harbor, moving east at
25 knots.

Locations impacted include…
Superior Entry, Sand Island, Barkers Island, Devils Island, McQuade
Harbor, Herbster, Meyers Beach, York Island, Superior Harbor,
Larsmont, Eagle Island, Port Wing Harbor, Knife River Marina, Duluth
Harbor, Duluth Lift Bridge Channel, Siskwit Bay, Apostle Island Sea
Caves, Two Harbors Protected Access Agate Bay, Maikwe Bay, and Brule
Point.

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.

Alert Expiration: 2026-06-15T20:15:00-05:00