Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Marquette MI
Issued by National Weather Service Gaylord MI
425 PM EDT Tue May 20 2025
LMZ221-248-250-212030-
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-
425 PM EDT Tue May 20 2025
This Hazardous Weather Outlook is for portions of Northern Lake
Michigan.
.DAY ONE...Tonight
Conditions hazardous to small craft are expected through tonight.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Conditions hazardous to small craft are expected through much of
Wednesday.
.SPOTTER INFORMATION STATEMENT...
The need for weather spotter reports is not anticipated at this
time.
$$
FEF
Hazardous Weather Outlook
National Weather Service Marquette MI
Issued by National Weather Service Gaylord MI
425 PM EDT Tue May 20 2025
LSZ162-240>251-263>267-212030-
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-
425 PM EDT Tue May 20 2025 /325 PM CDT Tue May 20 2025/
This Hazardous Weather Outlook is for portions of Central Lake
Superior...Eastern Lake Superior and Western Lake Superior.
.DAY ONE...Tonight
Gale force winds are expected through tonight across the western
third of Lake Superior. Conditions will be hazardous to small
craft due to gusty winds and high waves.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Gale force winds will continue across the far western portion of
Lake Superior into Wednesday. Gusty winds and high waves will
continue to be hazardous to small craft through Wednesday.
.SPOTTER INFORMATION STATEMENT...
The need for weather spotter reports is not anticipated at this
time.
$$
Hazardous Weather Outlook
National Weather Service Twin Cities/Chanhassen MN
418 PM CDT Tue May 20 2025
MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028-
210930-
Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns-
Benton-Sherburne-Isanti-Chisago-Lac Qui Parle-Swift-Chippewa-
Kandiyohi-Meeker-Wright-Hennepin-Anoka-Ramsey-Washington-
Yellow Medicine-Renville-McLeod-Sibley-Carver-Scott-Dakota-
Redwood-Brown-Nicollet-Le Sueur-Rice-Goodhue-Watonwan-Blue Earth-
Waseca-Steele-Martin-Faribault-Freeborn-Polk-Barron-Rusk-
St. Croix-Pierce-Dunn-Pepin-Eau Claire-
418 PM CDT Tue May 20 2025
This Hazardous Weather Outlook is for portions of central and
southern Minnesota, and west central Wisconsin.
.DAY ONE...Tonight.
Continued persistent light rain may produce areas of ponding
water in fields and low-lying areas.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Continued persistent light rain Wednesday may produce areas of
ponding water in fields and low-lying areas.
.SPOTTER INFORMATION STATEMENT...
SKYWARN spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Gaylord MI
334 PM EDT Tue May 20 2025
MIZ016>018-020>036-041-042-086>088-095>099-211800-
Emmet-Cheboygan-Presque Isle-Leelanau-Antrim-Otsego-Montmorency-
Alpena-Benzie-Grand Traverse-Kalkaska-Crawford-Oscoda-Alcona-
Manistee-Wexford-Missaukee-Roscommon-Ogemaw-Iosco-Gladwin-Arenac-
Western Chippewa-Central Chippewa-Southeast Chippewa-
Western Mackinac-Eastern Mackinac-
Mackinac Island/Bois Blanc Island-
Beaver Island and surrounding islands-Charlevoix-
334 PM EDT Tue May 20 2025
This hazardous weather outlook is for Eastern Upper Michigan and
Northern Lower Michigan.
.DAY ONE...This afternoon and tonight.
No hazardous weather is expected.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
No hazardous weather is expected.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated.
For more information visit http://weather.gov/gaylord.
$$
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
226 PM CDT Tue May 20 2025
LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-211930-
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
226 PM CDT Tue May 20 2025
This Hazardous Weather Outlook is for the open waters of Lake Michigan.
.DAY ONE...Tonight
A Gale Warning remains in effect until 4 PM CDT for the southern
third of Lake Michigan. Gusty winds to 30 knots will continue
tonight, mainly across the southern half of the lake.
Isolated thunderstorms are possible through early this evening in
the south.
.DAYS TWO THROUGH SEVEN...Wednesday through Tuesday
No hazardous weather is expected at this time.
$$
www.weather.gov/mkx
Hazardous Weather Outlook
National Weather Service Green Bay WI
137 PM CDT Tue May 20 2025
LMZ521-522-541>543-211845-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
137 PM CDT Tue May 20 2025
This Hazardous Weather Outlook is for portions of northwest Lake
Michigan and the waters of Green Bay.
.DAY ONE...Tonight
Conditions hazardous to small craft are expected on the bay and
lake due to gusty east-northeast winds and building waves.
.DAYS TWO THROUGH SEVEN...Wednesday through Tuesday
Conditions hazardous to small craft continue on the bay through
late Wednesday afternoon, and on the lake through late Wednesday
night due to gusty east-northeast winds and high waves.
$$
Uhlmann/Goodin
Hazardous Weather Outlook
National Weather Service Green Bay WI
137 PM CDT Tue May 20 2025
WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-211845-
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano-
Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago-
Calumet-Manitowoc-Southern Marinette County-
Southern Oconto County-
137 PM CDT Tue May 20 2025
This Hazardous Weather Outlook is for north-central and northeast
Wisconsin.
.DAY ONE...Tonight
East/northeast winds gusting from 30 to 35 mph continue over
central and east-central Wisconsin tonight, which may make
travel difficult for high profile vehicles on north-south
orientated roads.
.DAYS TWO THROUGH SEVEN...Wednesday through Tuesday
The probability for widespread hazardous weather is low.
.SPOTTER INFORMATION STATEMENT...
Spotters are requested to report peak wind gusts to the National
Weather Service in Green Bay.
$$
Hazardous Weather Outlook
National Weather Service Duluth MN
1014 AM CDT Tue May 20 2025
LSZ121-140>148-150-211515-
Bayfield to Oak Point WI-Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN-
Duluth MN to Port Wing WI-Port Wing to Sand Island WI-
Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI-
Outer Apostle Islands Beyond 5 NM from Mainland-
1014 AM CDT Tue May 20 2025
This Hazardous Weather Outlook is for portions of Lake Superior
and the Nearshore waters of western Lake Superior.
.DAY ONE...Today and Tonight
Northeast winds will strengthen today and will be 20 to 35 knots
with gusts of 30 to 45 knots this afternoon. Storm-force gusts to
50 knots are possible in the southwest arm of Lake Superior where
a Storm Warning is in effect. Wave heights will build to 8 to 17
feet. A few waves to 22 feet are possible. Gale Warnings are in
effect for areas not in the Storm Warning.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Northeast winds will gradually diminish Wednesday afternoon and
evening. Waves will subside during that time as well. Conditions
will remain hazardous through the evening.
$$
BJH
More information may be obtained at the following web address:
http://www.weather.gov/duluth
Hazardous Weather Outlook
National Weather Service Duluth MN
1014 AM CDT Tue May 20 2025
MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-211515-
Koochiching-North St. Louis-Northern Cook/Northern Lake-
North Itasca-Central St. Louis-Southern Lake/North Shore-
Southern Cook/North Shore-North Cass-South Itasca-South Cass-
Crow Wing-Northern Aitkin-South Aitkin-Carlton/South St. Louis-
Pine-Douglas-Bayfield-Ashland-Iron-Burnett-Washburn-Sawyer-Price-
1014 AM CDT Tue May 20 2025
This Hazardous Weather Outlook is for portions of northeast
Minnesota and northwest Wisconsin.
.DAY ONE...Today and Tonight
Strong east to northeast winds are expected around western Lake
Superior and into the Arrowhead and Douglas and Bayfield counties.
Wind gusts from 45 to 55 mph are expected at times. The strongest
winds will be this afternoon and early evening near the Twin
Ports. A High Wind Warning and Wind Advisories are in effect
where the strongest winds are expected.
Low relative humidity and strong winds will create
critical fire weather conditions this afternoon and evening across
portions of northeast Minnesota, generally north of US-2,
including the Arrowhead.
Near-critical fire weather conditions are forecast over portions
of northwest Wisconsin this afternoon and evening.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Near-critical fire weather conditions are possible again on
Wednesday, particularly for northeast Minnesota, due to continued
dry and breezy conditions.
Strong northeast winds will increase the threat of rip currents
Wednesday near the Twin Ports, including the beaches of Duluth
and Superior.
Overnight low temperatures in the middle to lower 30s are
forecast over portions of the Northland each morning from
Thursday through Saturday and again Monday. The cold temperatures
may lead to frost damage in sensitive outdoor plants.
.SPOTTER INFORMATION STATEMENT...
Skywarn spotter activation will not be needed today or tonight.
$$
Hazardous Weather Outlook
National Weather Service La Crosse WI
Issued by National Weather Service Quad Cities IA IL
345 AM CDT Tue May 20 2025
IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029-
032>034-041>044-053>055-061-211245-
Mitchell-Howard-Winneshiek-Allamakee-Floyd-Chickasaw-Fayette-
Clayton-Wabasha-Dodge-Olmsted-Winona-Mower-Fillmore-Houston-
Taylor-Clark-Buffalo-Trempealeau-Jackson-La Crosse-Monroe-Juneau-
Adams-Vernon-Crawford-Richland-Grant-
345 AM CDT Tue May 20 2025
This Hazardous Weather Outlook is for portions of southeast
Minnesota...northeast Iowa and southwest into central Wisconsin.
.DAY ONE...Today and Tonight
East winds this morning and early afternoon will regularly gust
to 35 mph and at times near 45 mph.
Rainfall, heavy at times this morning, will provide a total of
two to two and a half inches of rainfall in southeast Minnesota,
northeast Iowa, and southwest Wisconsin through tonight.
Widespread flooding is unlikely but minor lowland flooding is
possible.
Non-severe thunderstorms will accompany some of the rain today
south of I-90.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Frost may occur in interior portions of Wisconsin Wednesday and
Thursday nights.
.SPOTTER INFORMATION STATEMENT...
No action needed, but rainfall amounts are appreciated.
.EMERGENCY MANAGEMENT COORDINATION...
No webinar is scheduled.
$$
