Watches, Warnings & Advisories



2 products found for Marine Zone: LSZ146

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Duluth MN
114 PM CDT Sun May 17 2026

LSZ121-140>148-150-181815-
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-
114 PM CDT Sun May 17 2026

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

.DAY ONE...This afternoon and Tonight

Strong and gusty northeast winds are expected through tonight,
with gales up to 35 kt continue for the Outer Apostle Islands and
Twin Ports through North Shore through this evening. Gale
Warnings and Small Craft Advisories are in effect.

A first round of thunderstorms is expected late this evening and
tonight. A few storms may be severe with wind gusts up to around
50 knots and large hail to the size of quarters.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Strong and gusty northeast to northerly winds develop Monday
evening into midday Tuesday. There is the potential for gales up
to 35 knots Monday night for the southwest arm of Lake Superior,
the Outer Apostle Islands, and Grand Marais to Grand Portage. A
combination of Small Craft Advisories and Gale Warnings will be
needed again Monday evening into Tuesday.

Another round of thunderstorms are possible Monday evening into
Monday night. A few storms may be severe with wind gusts up to
around 50 knots and large hail to the size of quarters.

$$

Rothstein

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
956 AM CDT Sun May 17 2026

LSZ146-147-180300-
/O.CON.KDLH.SC.Y.0062.000000T0000Z-260518T0600Z/
Port Wing to Sand Island WI-Sand Island to Bayfield WI-
956 AM CDT Sun May 17 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT MONDAY...

* WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt and
  waves 6 to 9 ft.

* WHERE...Port Wing to Sand Island WI and Sand Island to
  Bayfield WI.

* WHEN...Until 1 AM CDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$