Watches, Warnings & Advisories



2 products found for Marine Zone: LSZ243

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Marquette MI
246 PM EDT Sun May 17 2026

LSZ162-240>251-263>267-181900-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-Huron Islands to Marquette MI-
Marquette to Munising MI-Munising to Grand Marais MI-
Grand Marais to Whitefish Point MI-
Lake Superior from Saxon Harbor WI to Upper Entrance to Portage
Canal MI 5NM off shore to the US/Canadian border including Isle
Royale National Park-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
Lake Superior East of a line from Manitou Island to Marquette MI
and West of a line from Grand Marais MI to the US/Canadian Border
Beyond 5NM from shore-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
246 PM EDT Sun May 17 2026 /146 PM CDT Sun May 17 2026/

This Hazardous Weather Outlook is for portions of Central Lake
Superior...Eastern Lake Superior and Western Lake Superior.

.DAY ONE...Rest of Today and Tonight

Thunderstorms are expected on this evening and tonight. A few
storms could be strong to severe with large hail and damaging
winds.

Gales are expected this afternoon and evening over the far western
part of Lake Superior. See the latest Open Lakes Forecast and
Marine Weather Statement for details.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Thunderstorms are expected on Monday into Tuesday. Some of the
storms may be strong to severe, especially on Monday.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to submit reports to the National
Weather Service in Marquette. The public may also submit reports
on our webpage or through social media using #906wx.

$$



Small Craft Advisory

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
251 PM EDT Sun May 17 2026

LSZ242-243-180600-
/O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T0600Z/
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
251 PM EDT Sun May 17 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT MONDAY...

* WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves
  2 to 4 ft occurring.

* WHERE...Ontonagon to Upper Entrance of Portage Canal MI and
  Upper Entrance of Portage Canal to Eagle River MI.

* WHEN...Until 2 AM EDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$