Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
Issued by National Weather Service Milwaukee/Sullivan WI
327 AM CDT Fri May 16 2025
LMZ521-522-541>543-161630-
/O.EXT.KGRB.SC.Y.0052.250516T1500Z-250518T0000Z/
Green Bay south of line from Cedar River to Rock Island Passage
and north of a line from Oconto WI to Little Sturgeon Bay WI-
Green Bay south of line from Oconto WI to Little Sturgeon Bay WI-
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
327 AM CDT Fri May 16 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 10 AM THIS MORNING TO
7 PM CDT SATURDAY...
* WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and
waves 3 to 6 ft expected.
* WHERE...Lake Michigan nearshore waters from Washington Island
to Sheboygan, and Central and Southern Bay of Green Bay.
* WHEN...From 10 AM this morning to 7 PM CDT Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
415 AM EDT Fri May 16 2025
LMZ221-162015-
/O.CON.KMQT.SC.Y.0101.250516T1500Z-250517T0000Z/
Green Bay North of line from Cedar River MI to Rock Island
Passage-
415 AM EDT Fri May 16 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING
TO 8 PM EDT THIS EVENING...
* WHAT...South winds 15 to 20 kt with gusts up to 30 kt and
waves 1 to 4 ft expected.
* WHERE...Green Bay North of line from Cedar River MI to Rock
Island Passage.
* WHEN...From 11 AM this morning to 8 PM EDT this evening.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
415 AM EDT Fri May 16 2025
LMZ248-250-162015-
/O.CON.KMQT.SC.Y.0101.250516T1500Z-250517T0600Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
415 AM EDT Fri May 16 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING
TO 2 AM EDT SATURDAY...
* WHAT...South winds 10 to 20 kt with gusts up to 30 kt and
waves 3 to 6 ft expected.
* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a
line from Fairport MI to Rock Island Passage.
* WHEN...From 11 AM this morning to 2 AM EDT Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
415 AM EDT Fri May 16 2025
LSZ248-162015-
/O.EXT.KMQT.SC.Y.0101.250516T1500Z-250517T0200Z/
Huron Islands to Marquette MI-
415 AM EDT Fri May 16 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 11 AM THIS MORNING TO
10 PM EDT THIS EVENING...
* WHAT...South winds 10 to 20 kt with gusts up to 30 kt and
waves 1 to 3 ft expected.
* WHERE...Huron Islands to Marquette MI.
* WHEN...From 11 AM this morning to 10 PM EDT this evening.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
415 AM EDT Fri May 16 2025
LSZ249-162015-
/O.EXT.KMQT.SC.Y.0101.250516T1500Z-250517T0200Z/
Marquette to Munising MI-
415 AM EDT Fri May 16 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 11 AM THIS MORNING TO
10 PM EDT THIS EVENING...
* WHAT...South winds 10 to 20 kt with gusts up to 30 kt and
waves 1 to 2 ft expected.
* WHERE...Marquette to Munising MI.
* WHEN...From 11 AM this morning to 10 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
415 AM EDT Fri May 16 2025
LSZ250-162015-
/O.EXT.KMQT.SC.Y.0101.250516T1600Z-250517T0200Z/
Munising to Grand Marais MI-
415 AM EDT Fri May 16 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM NOON TODAY TO 10 PM
EDT THIS EVENING...
* WHAT...South winds 10 to 20 kt with gusts up to 30 kt and
waves 1 to 2 ft expected.
* WHERE...Munising to Grand Marais MI.
* WHEN...From noon today to 10 PM EDT this evening.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
415 AM EDT Fri May 16 2025
LSZ251-162015-
/O.EXT.KMQT.SC.Y.0101.250516T1700Z-250517T0000Z/
Grand Marais to Whitefish Point MI-
415 AM EDT Fri May 16 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 1 PM THIS AFTERNOON TO
8 PM EDT THIS EVENING...
* WHAT...South winds 15 to 20 kt with gusts up to 30 kt and
waves 1 to 2 ft expected.
* WHERE...Grand Marais to Whitefish Point MI.
* WHEN...From 1 PM this afternoon to 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
212 AM CDT Fri May 16 2025
LMZ643>646-161800-
/O.UPG.KMKX.GL.A.0017.250516T1700Z-250517T0300Z/
/O.NEW.KMKX.SC.Y.0062.250516T1500Z-250518T0000Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
212 AM CDT Fri May 16 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 7 PM
CDT SATURDAY...
* WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and
waves 4 to 6 ft expected.
* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.
* WHEN...From 10 AM this morning to 7 PM CDT Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
312 AM EDT Fri May 16 2025
LMZ844>849-161515-
/O.CON.KGRR.SC.Y.0053.250516T1500Z-250518T0600Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
312 AM EDT Fri May 16 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING
TO 2 AM EDT SUNDAY...
* WHAT...Southwest winds to 30 knots and waves 3 to 5 feet.
* WHERE...St Joseph to Manistee.
* WHEN...From 11 AM Friday to 2 AM EDT Sunday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Detroit/Pontiac MI
421 AM EDT Fri May 16 2025
LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-170830-
Lake St Clair-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM
off shore-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw
Bay-Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI-
Port Sanilac to Port Huron MI-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
421 AM EDT Fri May 16 2025
This hazardous weather outlook is for portions of Lake Erie, Lake
Huron and Lake St Clair.
.DAY ONE...Today and Tonight
Scattered thunderstorms are likely to develop late this evening with
an isolated threat of severe weather mainly between 8 PM and 1 AM.
The main threats will be damaging wind gusts to 50 kt and large hail
to 1 inch. Storm mode will be a broken line tracking southwest to
northeast at 45 kt.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday
Westerly gusts of 25 to 30 kt on Saturday may require Small Craft
Advisories.
.SPOTTER INFORMATION STATEMENT...
Spotter activation may be needed tonight.
$$
You can obtain your latest National Weather Service forecasts online
at www.weather.gov/detroit.
TF
Hazardous Weather Outlook
National Weather Service Detroit/Pontiac MI
421 AM EDT Fri May 16 2025
MIZ047>049-053>055-060>063-068>070-075-076-082-083-170830-
Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-Lapeer-
St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
421 AM EDT Fri May 16 2025
This hazardous weather outlook is for southeast Michigan.
.DAY ONE...Today and Tonight
Scattered thunderstorms are likely to develop late this evening with
an isolated threat of severe weather mainly between 8 PM and 1 AM.
The main threats will be damaging wind gusts to 60 mph and large hail
to 1 inch. Storm mode will be a broken line tracking southwest to
northeast at 50 mph. The fast movement of the storms will limit flood
threat, but urban/low lying areas still could see minor flooding.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday
Breezy and cooler conditions will settle in for Saturday, with
westerly gusts of 30 to 40 mph during the day.
.SPOTTER INFORMATION STATEMENT...
Spotter activation may be needed tonight.
$$
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
305 AM CDT Fri May 16 2025
LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-170815-
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-
305 AM CDT Fri May 16 2025
This Hazardous Weather Outlook is for the open waters of Lake Michigan.
.DAY ONE...Today and Tonight
Gusty winds are forecast today. Gusts could approach gale
thresholds, but are not expected to be widespread due to the
stability of the marine airmass.
Scattered showers and thunderstorms are forecast this afternoon. A
few storms could produce large hail and gusty winds.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday
No hazardous weather is expected at this time.
$$
www.weather.gov/mkx
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
305 AM CDT Fri May 16 2025
LMZ643>646-170815-
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
305 AM CDT Fri May 16 2025
This Hazardous Weather Outlook is for the nearshore waters from
Sheboygan Wisconsin to Winthrop Harbor Illinois.
.DAY ONE...Today and Tonight
Wind gusts and wave heights will exceed Small Craft Advisory
conditions today.
Showers and thunderstorms are forecast this afternoon. A few
storms could produce large hail and gusty winds.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday
Small Craft Advisory conditions will continue through Saturday
afternoon.
$$
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
305 AM CDT Fri May 16 2025
WIZ046-047-051-052-056>060-062>072-170815-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
305 AM CDT Fri May 16 2025
This Hazardous Weather Outlook is for portions of east central
Wisconsin, south central Wisconsin and southeast Wisconsin.
.DAY ONE...Today and Tonight
Gusty non-thunderstorm winds are expected today. Make sure any
loose outdoor objects and furniture are secured before heading out
for the day.
Showers and thunderstorms are forecast this afternoon. A few
storms could produce large hail and gusty winds.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation may be needed Friday afternoon.
$$
Hazardous Weather Outlook
National Weather Service Gaylord MI
328 AM EDT Fri May 16 2025
LHZ345>349-LMZ323-341-342-344>346-LSZ321-322-171200-
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
328 AM EDT Fri May 16 2025
This hazardous weather outlook is for the northern Michigan
nearshore waters of Lake Huron, Lake Michigan and Lake Superior.
.DAY ONE...Today and tonight.
A few thunderstorms are possible again tonight. While widespread
severe weather is not expected, an isolated severe storm is
possible across parts of northern Lake Michigan.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
For more information visit http://weather.gov/gaylord.
$$
Hazardous Weather Outlook
National Weather Service Gaylord MI
328 AM EDT Fri May 16 2025
MIZ016>018-020>036-041-042-086>088-095>099-171200-
Emmet-Cheboygan-Presque Isle-Leelanau-Antrim-Otsego-Montmorency-
Alpena-Benzie-Grand Traverse-Kalkaska-Crawford-Oscoda-Alcona-
Manistee-Wexford-Missaukee-Roscommon-Ogemaw-Iosco-Gladwin-Arenac-
Western Chippewa-Central Chippewa-Southeast Chippewa-
Western Mackinac-Eastern Mackinac-
Mackinac Island/Bois Blanc Island-
Beaver Island and surrounding islands-Charlevoix-
328 AM EDT Fri May 16 2025
This hazardous weather outlook is for Eastern Upper Michigan and
Northern Lower Michigan.
.DAY ONE...Today and tonight.
Elevated fire danger conditions this afternoon with very warm
temperatures, breezy conditions, and low RH values.
A few thunderstorms are possible again tonight. While widespread
severe weather is not expected, an isolated severe storm is
possible across parts of northern lower Michigan.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Areas of frost will be possible Sunday and Monday nights,
primarily across interior areas of northern Michigan.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
For more information visit http://weather.gov/gaylord.
$$
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
324 AM EDT Fri May 16 2025
LMZ844>849-170730-
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
324 AM EDT Fri May 16 2025
This hazardous weather outlook is for the nearshore waters from
St Joseph to Manistee.
.DAY ONE...Today and Tonight
Winds and waves will become hazardous to small craft today.
Thunderstorms with winds gusting to 40 knots arr possible this
evening.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday
Winds and waves will be hazardous to small craft on Saturday.
$$
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
324 AM EDT Fri May 16 2025
MIZ037>040-043>046-050>052-056>059-064>067-071>074-170730-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
324 AM EDT Fri May 16 2025
This hazardous weather outlook is for portions of southwest Lower
Michigan.
.DAY ONE...Today and Tonight
There is a marginal risk of severe weather this evening. The main
threat will be damaging downburst winds.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation may be needed this evening.
$$
Hazardous Weather Outlook
National Weather Service Green Bay WI
Issued by National Weather Service Milwaukee/Sullivan WI
906 PM CDT Thu May 15 2025
LMZ521-522-541>543-170215-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
906 PM CDT Thu May 15 2025
This Hazardous Weather Outlook is for portions of northwest Lake
Michigan and the waters of Green Bay.
.DAY ONE...Tonight
Small Craft Advisory in effect through late evening for the
southern portion of the Bay of Green Bay as well as in the
nearshore from Sturgeon Bay to Sheboygan.
.DAYS TWO THROUGH SEVEN...Friday through Thursday
Hazardous conditions for small craft are possible Friday through
Saturday due to high winds, particularly for Lake Michigan
nearshore waters.
$$
MRC
Hazardous Weather Outlook
National Weather Service Green Bay WI
Issued by National Weather Service Milwaukee/Sullivan WI
906 PM CDT Thu May 15 2025
WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-170215-
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano-
Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago-
Calumet-Manitowoc-Southern Marinette County-
Southern Oconto County-
906 PM CDT Thu May 15 2025
This Hazardous Weather Outlook is for north-central and northeast
Wisconsin.
.DAY ONE...Tonight
There is a chance of thunderstorms north central through midnight.
.DAYS TWO THROUGH SEVEN...Friday through Thursday
Gusty southwest winds up to 45 mph are possible for the Fox
Valley on Friday. Showers and another round of storms may bring
gusty winds Friday afternoon.
Thunderstorms may return Tuesday into Wednesday of next week.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated for tomorrow.
$$
Hazardous Weather Outlook
National Weather Service Marquette MI
344 PM EDT Thu May 15 2025
LMZ221-248-250-161945-
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-
344 PM EDT Thu May 15 2025
This Hazardous Weather Outlook is for portions of Northern Lake
Michigan.
.DAY ONE...Tonight
Patchy dense fog is possible through this evening. See the latest
Marine Weather Message for more details. Strong to severe
thunderstorms are possible (5-15% chance) tonight.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
The need for weather spotter reports is not anticipated at this
time.
$$
LC
Hazardous Weather Outlook
National Weather Service Marquette MI
344 PM EDT Thu May 15 2025
LSZ162-240>251-263>267-161945-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-Huron Islands to Marquette MI-
Marquette to Munising MI-Munising to Grand Marais MI-
Grand Marais to Whitefish Point MI-
Lake Superior from Saxon Harbor WI to Upper Entrance to Portage
Canal MI 5NM off shore to the US/Canadian border including Isle
Royale National Park-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
Lake Superior East of a line from Manitou Island to Marquette MI
and West of a line from Grand Marais MI to the US/Canadian Border
Beyond 5NM from shore-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
344 PM EDT Thu May 15 2025 /244 PM CDT Thu May 15 2025/
This Hazardous Weather Outlook is for portions of Central Lake
Superior...Eastern Lake Superior and Western Lake Superior.
.DAY ONE...Tonight
Patchy dense fog remains in place across all of the open waters
of Lake Superior through the evening. See the latest Marine
Weather Message for more details. Strong to severe thunderstorms
are possible (5-15% chance) tonight.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
The need for weather spotter reports is not anticipated at this
time.
$$
Hazardous Weather Outlook
National Weather Service Marquette MI
344 PM EDT Thu May 15 2025
MIZ001>007-009>014-084-085-161945-
Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger-Luce-
Gogebic-Iron-Dickinson-Menominee-Delta-Southern Schoolcraft-
Southern Houghton-Northern Schoolcraft-
344 PM EDT Thu May 15 2025 /244 PM CDT Thu May 15 2025/
This Hazardous Weather Outlook is for portions of central Upper
Michigan and western Upper Michigan.
.DAY ONE...Tonight
Strong to severe thunderstorms are possible (5-15% chance)
late tonight. Strongest storm are expected in the south- central
and could pose a hail and damaging wind threat.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
The need for weather spotter reports is not anticipated at this
time.
$$
