Watches, Warnings & Advisories



2 products issued by NWS for: 3NM WNW Copper Harbor MI

Small Craft Advisory

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
415 AM EDT Fri May 16 2025

LSZ244-245-162015-
/O.EXT.KMQT.SC.Y.0100.000000T0000Z-250517T0000Z/
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
415 AM EDT Fri May 16 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* WHAT...Southeast to southwest winds 10 to 20 kt with gusts up
  to 30 kt and waves 1 to 4 ft occurring.

* WHERE...Eagle River to Manitou Island MI and Manitou Island to
  Point Isabelle MI.

* WHEN...Until 8 PM EDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$



Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Marquette MI
448 AM EDT Fri May 16 2025

LSZ162-240>251-263>267-170900-
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-
448 AM EDT Fri May 16 2025 /348 AM CDT Fri May 16 2025/

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

.DAY ONE...Today and Tonight

A few southeast to south gale force gusts are possible over the
central lake east of the Keweenaw this afternoon into early this
evening ahead of a incoming cold front. See the latest Open Lake
Forecast for additional details.

Strong to severe storms are possible (5% chance) over the eastern
half of the lake late this afternoon into early this evening.
Severe winds of 50+ knots and hail up to a quarter in diameter
could be seen.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Northwest gale force gusts up to 35 knots are expected over the
central lake Saturday afternoon and evening. See the latest Open
Lake Forecast for additional details.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report any observed hail or wind damage
from thunderstorms to the National Weather Service in Marquette.
The public may also submit reports to the National Weather Service
via phone, on our website, or through social media.

$$