840
FLUS43 KMQT 042104
HWOMQT

Hazardous Weather Outlook
National Weather Service Marquette MI
504 PM EDT Thu Sep 4 2025

MIZ001>004-007-009>014-084-085-052115-
Keweenaw-Ontonagon-Northern Houghton-Baraga-Luce-Gogebic-Iron-
Dickinson-Menominee-Delta-Southern Schoolcraft-Southern Houghton-
Northern Schoolcraft-
504 PM EDT Thu Sep 4 2025 /404 PM CDT Thu Sep 4 2025/

This Hazardous Weather Outlook is for portions of central Upper
Michigan and western Upper Michigan.

.DAY ONE...Tonight

Thunderstorms are possible late tonight, especially in the
eastern Upper Peninsula.

Strong south to southwest winds will impact counties adjacent to
northern Lake Michigan late tonight.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Thunderstorms are possible Friday morning, mainly over the east
half.

Strong west winds are expected on Friday, especially at exposed
lakeshore locations.

There is a chance of thunderstorms Tuesday into Wednesday.

Frost is possible in interior locations late Sunday night.

.SPOTTER INFORMATION STATEMENT...

The need for weather spotter reports is not anticipated at this
time.

$$

MIZ005-006-052115-
Marquette-Alger-
504 PM EDT Thu Sep 4 2025

This Hazardous Weather Outlook is for portions of central Upper
Michigan.

.DAY ONE...Tonight

There is a high swim risk for the Great Lakes beaches of
Alger County through this evening. In addition, there is a
moderate swim risk for the Great Lakes beaches of Marquette
County. Stay safe and out of the water! For more information,
see the latest Beach Hazard Statement and Surf Zone Forecast.

Thunderstorms are possible late tonight.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Thunderstorms are possible Friday, mainly over the east half.

Strong west winds are expected on Friday, especially at exposed
lakeshore locations.

There is a chance of thunderstorms Tuesday night into Wednesday.

.SPOTTER INFORMATION STATEMENT...

The need for weather spotter reports is not anticipated at this
time.

$$

LSZ162-240>251-263>267-052115-
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-
504 PM EDT Thu Sep 4 2025 /404 PM CDT Thu Sep 4 2025/

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

.DAY ONE...Tonight

There is a small chance of thunderstorms late tonight.


.DAYS TWO THROUGH SEVEN...Friday through Wednesday

West to northwest gales to around 35 knots are expected Friday
into Friday evening. See the latest Marine Weather Message, Open
Lake Forecast, and Marine Discussion for additional details.

.SPOTTER INFORMATION STATEMENT...

The need for weather spotter reports is not anticipated at this
time.

$$

LMZ221-248-250-052115-
Green Bay North of line from Cedar River MI to Rock Island
Passage-Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
504 PM EDT Thu Sep 4 2025

This Hazardous Weather Outlook is for portions of Northern Lake
Michigan.

.DAY ONE...Tonight

Some waterspouts and thunderstorms are possible late tonight. See
the Nearshore Zone Forecast for additional details.

South to southwest gales to 35 knots are expected late tonight.
See the latest Marine Weather Message and Nearshore Zone Forecast
for additional details.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Waterspouts and thunderstorms are possible Friday morning. See
the latest Nearshore Zone Forecast for additional details.

West gales up to 35 knots are expected Friday morning. See the
latest Marine Weather Message and Nearshore Zone Forecast for
additional details.

.SPOTTER INFORMATION STATEMENT...

The need for weather spotter reports is not anticipated at this
time.

$$

WFO MQT