Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
418 AM EST Sun Dec 7 2025
LHZ421-441>443-072130-
/O.CON.KDTX.SC.Y.0093.251207T2000Z-251208T1500Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
418 AM EST Sun Dec 7 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM THIS
AFTERNOON TO 10 AM EST MONDAY...
* WHAT...Expect sustained winds up to 20 knots from the north
with gusts up to 25 knots. The largest significant waves will
be 8 feet with a potential maximum wave height of 12 feet.
* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to
Inner Saginaw Bay, Port Austin to Harbor Beach MI, Harbor
Beach to Port Sanilac MI and Port Sanilac to Port Huron MI.
* WHEN...The maximum winds are expected around 9 PM EST Sunday
with the largest waves expected around 10 PM EST 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.
&&
$$
KGK
URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
329 AM EST Sun Dec 7 2025
LMZ844>849-071630-
/O.NEW.KGRR.SC.Y.0107.251207T1500Z-251208T0400Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
329 AM EST Sun Dec 7 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO
11 PM EST THIS EVENING...
* WHAT...North winds increasing to 15 to 25 knots and waves 2 to
5 feet expected.
* WHERE...St Joseph to Manistee.
* WHEN...From 10 AM this morning to 11 PM EST this evening.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
308 AM EST Sun Dec 7 2025
LSZ248-072015-
/O.CON.KMQT.SC.Y.0195.251207T1200Z-251208T0000Z/
Huron Islands to Marquette MI-
308 AM EST Sun Dec 7 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING
TO 7 PM EST THIS EVENING...
* WHAT...Northwest winds 15 to 20 kt with gusts up to 25 kt and
waves 3 to 5 ft expected.
* WHERE...Huron Islands to Marquette MI.
* WHEN...From 7 AM this morning to 7 PM EST 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
308 AM EST Sun Dec 7 2025
LSZ249>251-072015-
/O.EXT.KMQT.SC.Y.0194.000000T0000Z-251208T0600Z/
Marquette to Munising MI-Munising to Grand Marais MI-
Grand Marais to Whitefish Point MI-
308 AM EST Sun Dec 7 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM EST MONDAY...
* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and
waves 5 to 8 ft occurring.
* WHERE...Marquette to Munising MI, Munising to Grand Marais MI
and Grand Marais to Whitefish Point MI.
* WHEN...Until 1 AM EST Monday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
256 AM EST Sun Dec 7 2025
LHZ345>349-LMZ323-341-342-344>346-LSZ321-322-071600-
/O.CON.KAPX.SC.Y.0120.251207T1700Z-251208T0300Z/
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-
256 AM EST Sun Dec 7 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO
10 PM EST THIS EVENING...
* WHAT...Highest gusts up to 25 kts from the northwest and
highest waves around 6 feet expected.
* WHERE...Portions of Lake Huron, Lake Michigan and Lake
Superior.
* WHEN...From noon today to 10 PM EST 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.
&&
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Gaylord MI
919 AM EST Sun Dec 7 2025
MIZ016>018-020>036-041-042-086>088-095>099-081430-
Emmet-Cheboygan-Presque Isle-Leelanau-Antrim-Otsego-Montmorency-
Alpena-Benzie-Grand Traverse-Kalkaska-Crawford-Oscoda-Alcona-
Manistee-Wexford-Missaukee-Roscommon-Ogemaw-Iosco-Gladwin-Arenac-
Western Chippewa-Central Chippewa-Southeast Chippewa-
Western Mackinac-Eastern Mackinac-
Mackinac Island/Bois Blanc Island-
Beaver Island and surrounding islands-Charlevoix-
919 AM EST Sun Dec 7 2025
This hazardous weather outlook is for Eastern Upper Michigan and
Northern Lower Michigan.
.DAY ONE...Today and tonight.
Localized snow accumulations of 2-5" are possible across parts of
Chippewa County through this evening.
Cold temperatures may result in ice jams developing on area
rivers.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Potential exists for impactful snow across portions of eastern
upper and northwest lower Michigan Monday afternoon into Tuesday,
especially in south-southwest flow favored snow belts.
Another system is expected to arrive Tuesday night - Wednesday,
bringing increasing potential for more widespread impactful snow
to much of northern lower Michigan.
Accumulating snow chances continue at various times late in the
week into next weekend.
Cold temperatures at times this week may result in ice jams
developing on area rivers.
.SPOTTER INFORMATION STATEMENT...
Spotters are encouraged to report snowfall amounts to the
National Weather Service. Reports may be made one of three ways:
Online: weather.gov/gaylord
Facebook: facebook.com/nwsgaylord
Twitter: twitter.com/nwsgaylord
For more information visit http://weather.gov/gaylord.
$$
Hazardous Weather Outlook
National Weather Service Detroit/Pontiac MI
443 AM EST Sun Dec 7 2025
LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-080930-
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-
443 AM EST Sun Dec 7 2025
This hazardous weather outlook is for portions of Lake Erie, Lake
Huron and Lake St Clair.
.DAY ONE...Today and Tonight
A Small Craft Advisory is in effect for portions of the Lake Huron
nearshore. See the latest Marine Weather Message (MWW) for
additional details.
.DAYS TWO THROUGH SEVEN...Monday through Saturday
Marginal gusts to gales possible late Monday night and Tuesday,
mainly for the southern half of Lake Huron.
Periods of snow, and even some rain, through the end of the week with
spells of below average temperatures.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today and tonight.
$$
You can obtain your latest National Weather Service forecasts online
at www.weather.gov/detroit.
KGK
Hazardous Weather Outlook
National Weather Service Detroit/Pontiac MI
443 AM EST Sun Dec 7 2025
MIZ047>049-053>055-060>063-068>070-075-076-082-083-080930-
Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-Lapeer-
St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
443 AM EST Sun Dec 7 2025
This hazardous weather outlook is for southeast Michigan.
.DAY ONE...Today and Tonight
Light snow expands across Southeast Michigan this morning. Snow
accumulations of 0.5 to 1.5 inches expected by this afternoon.
Motorists are urged to use caution and account for variable driving
conditions by slowing down and allowing extra travel time.
.DAYS TWO THROUGH SEVEN...Monday through Saturday
A chilly start on Monday with wind chills dropping to around zero.
Another round of snow develops late Monday night with minor
accumulations possible, mainly for the Tri-Cities and Thumb regions.
Snowfall then expands across the rest of Southeast Michigan on Tuesday
with over an inch possible north of M-46 to perhaps a coating south
of I-94.
Active weather stretch continues Tuesday night into Wednesday with
some snow at the start, switching over to primarily rain late Tuesday
night into Wednesday morning. Precipitation type questions remain
for the rest of Wednesday. New snow accumulations are possible.
Abnormally cold conditions settle back in by Thursday with lake
effect snow chances through the end of the week.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today and tonight.
$$
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
424 AM EST Sun Dec 7 2025
LMZ844>849-080930-
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-
424 AM EST Sun Dec 7 2025
This hazardous weather outlook is for the nearshore waters from
St Joseph to Manistee.
.DAY ONE...Today and Tonight
Wind and waves will create hazardous conditions late this morning
through this evening.
.DAYS TWO THROUGH SEVEN...Monday through Saturday
Wind and waves will create hazardous conditions on and off through
next Saturday.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
424 AM EST Sun Dec 7 2025
MIZ037>040-043>046-050>052-056>059-064>067-071>074-080930-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
424 AM EST Sun Dec 7 2025
This hazardous weather outlook is for portions of southwest Lower
Michigan.
.DAY ONE...Today and Tonight
Snow covered and slick roads will be likely this morning with
light snow falling across the area.
.DAYS TWO THROUGH SEVEN...Monday through Saturday
There will be multiple periods of light to moderate snow that will
cause snow covered and slick roads at times through the next
week.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
259 AM CST Sun Dec 7 2025
LMZ643>646-080900-
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-
259 AM CST Sun Dec 7 2025
This Hazardous Weather Outlook is for the nearshore waters from
Sheboygan Wisconsin to Winthrop Harbor Illinois.
.DAY ONE...Today and Tonight
A Small Craft Advisory is in effect for the nearshore waters
south of Port Washington this morning through later tonight.
.DAYS TWO THROUGH SEVEN...Monday through Saturday
A Small Craft Advisory will likely be needed for all of the
nearshore waters Monday night into Wednesday night, with a few
gale force gusts also possible.
Winds may reach Small Craft Advisory levels again Thursday night
through Saturday.
$$
Hazardous Weather Outlook
National Weather Service Marquette MI
359 AM EST Sun Dec 7 2025
MIZ001>007-009>014-084-085-080900-
Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger-Luce-
Gogebic-Iron-Dickinson-Menominee-Delta-Southern Schoolcraft-
Southern Houghton-Northern Schoolcraft-
359 AM EST Sun Dec 7 2025 /259 AM CST Sun Dec 7 2025/
This Hazardous Weather Outlook is for portions of central Upper
Michigan and western Upper Michigan.
.DAY ONE...Today and Tonight
Lake effect snow for the northwest wind snowbelts is expected
today, bringing amounts less than an inch to the western UP and 1-3
inches to the east. Locally higher 3-5" possible under stronger
bands in Luce/Chippewa counties.
.DAYS TWO THROUGH SEVEN...Monday through Saturday
A pair of clipper systems are set to bring accumulating snow late
Monday night through Wednesday.
.SPOTTER INFORMATION STATEMENT...
The need for weather spotter reports is not anticipated at this
time.
$$
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
259 AM CST Sun Dec 7 2025
WIZ046-047-051-052-056>060-062>072-080900-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
259 AM CST Sun Dec 7 2025
This Hazardous Weather Outlook is for portions of east central
Wisconsin, south central Wisconsin and southeast Wisconsin.
.DAY ONE...Today and Tonight
A Winter Weather Advisory remains in effect into this morning for
portions of southern Wisconsin. Accumulating snow will wind
northwest to southeast early to mid-morning. Roads will be snow
covered and slippery this morning.
.DAYS TWO THROUGH SEVEN...Monday through Saturday
Additional rounds of snowfall will be possible Monday night into
Tuesday and Tuesday night into Wednesday, though this second
system may see rain mix in. Any rain that falls could initially
cause slick spots on roads given cold road temperatures.
Additional rounds of snowfall are then possible through the end of
the work week, but confidence in timing is much lower.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
