Watches, Warnings & Advisories



2 products found for Marine Zone: LSZ147

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Duluth MN
550 AM CDT Tue Sep 2 2025

LSZ121-140>148-150-031100-
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-
550 AM CDT Tue Sep 2 2025

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

.DAY ONE...Today and Tonight

There is a 20 percent chance of thunderstorms over the southwest
arm and along the waters of the South Shore this morning. Severe
weather is not expected with the first round of storms.

A second round of storms is forecast this afternoon through
tonight as a cold front moves through the region. A few storms may
be strong to severe with large hail, frequent cloud-to-water
lightning, and wind gusts of 35 to 50 knots are possible with the
strongest storms.

Winds will veer northwesterly tonight and winds will strengthen
behind the cold front. Gusts up to 25 knots are likely and a Small
Craft Advisory is in effect.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Gusty north and northwest winds are forecast over western Lake
Superior Wednesday through the end of the week. Conditions will be
hazardous to smaller vessels at times through Saturday.

There is a small risk of waterspouts Wednesday and Thursday.

$$

Huyck

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




Small Craft Advisory

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
359 AM CDT Tue Sep 2 2025

LSZ121-145>148-150-022100-
/O.NEW.KDLH.SC.Y.0093.250903T0900Z-250904T0900Z/
Chequamegon Bay-Bayfield to Oak Point WI-
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-
359 AM CDT Tue Sep 2 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM WEDNESDAY TO 4 AM CDT
THURSDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt and
  waves 1 to 4 ft expected.

* WHERE...Portions of Lake Superior.

* WHEN...From 4 AM Wednesday to 4 AM CDT Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

* ADDITIONAL DETAILS...An additional Small Craft Advisory will
  likely be needed Thursday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

Huyck