Watches, Warnings & Advisories



One product found for Marine Zone: LSZ140

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Duluth MN
418 PM CDT Thu Jul 30 2026

LSZ121-140>148-150-312130-
Bayfield to Oak Point WI-Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
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-Oak Point to Saxon Harbor WI-
Outer Apostle Islands Beyond 5 NM from Mainland-
418 PM CDT Thu Jul 30 2026

This Hazardous Weather Outlook is for portions of Lake Superior
and the Nearshore waters of western Lake Superior.

.DAY ONE...Tonight

Areas of dense fog could linger into the evening and tonight.

There is a chance of scattered thunderstorms this evening,
especially on the North Shore. A few storms could be severe and
produce hail around an inch in diameter and winds up to around 50
kt.

Dense fog may develop over the waters due to rain from storms
falling over Lake Superior.

Areas of smoke are possible into tonight.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

There is a slight chance of thunderstorms Friday morning with the
highest chance over the south shore waters.

Dense fog is possible Friday morning.

There will be off and on periods of smoke.

Thunderstorm chances return Monday night through Wednesday
morning.

$$

JDS

More information may be obtained at the following web address:
http://www.weather.gov/duluth