Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
416 AM EST Thu Nov 13 2025
LSZ243>249-132130-
/O.CON.KMQT.SC.Y.0178.000000T0000Z-251114T0200Z/
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-
416 AM EST Thu Nov 13 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM EST THIS
EVENING...
* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and waves
5 to 8 ft occurring.
* WHERE...Portions of Central, Eastern and Western Lake Superior.
* WHEN...Until 9 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
416 AM EST Thu Nov 13 2025
LSZ250-251-132130-
/O.CON.KMQT.SC.Y.0178.000000T0000Z-251114T0900Z/
Munising to Grand Marais MI-Grand Marais to Whitefish Point MI-
416 AM EST Thu Nov 13 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST FRIDAY...
* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and
waves 8 to 13 ft occurring.
* WHERE...Munising to Grand Marais MI and Grand Marais to
Whitefish Point MI.
* WHEN...Until 4 AM EST Friday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
314 AM EST Thu Nov 13 2025
LMZ844>849-131615-
/O.CON.KGRR.SC.Y.0097.000000T0000Z-251113T2200Z/
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-
314 AM EST Thu Nov 13 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST THIS
AFTERNOON...
* WHAT...West winds 15 to 25 knots and waves 4 to 7 feet.
* WHERE...St Joseph to Manistee.
* WHEN...Until 5 PM EST this afternoon.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
232 AM EST Thu Nov 13 2025
LHZ345>349-131545-
/O.CON.KAPX.SC.Y.0110.000000T0000Z-251114T0000Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
232 AM EST Thu Nov 13 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...
* WHAT...Highest gusts up to 30 kts from the west and highest
waves around 7 feet.
* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge
including Mackinac Island, St Ignace to False Detour Channel,
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI
Including Thunder Bay National Marine Sanctuary and Sturgeon
Pt to Alabaster MI.
* WHEN...Until 7 PM EST this evening.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
232 AM EST Thu Nov 13 2025
LMZ323-341-342-344-131545-
/O.CON.KAPX.SC.Y.0110.000000T0000Z-251114T0000Z/
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-
232 AM EST Thu Nov 13 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...
* WHAT...Highest gusts up to 30 kts from the west and highest
waves around 6 feet.
* WHERE...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 and Sleeping Bear Point to Grand Traverse
Light MI.
* WHEN...Until 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
232 AM EST Thu Nov 13 2025
LSZ321-131545-
/O.EXT.KAPX.SC.Y.0110.000000T0000Z-251114T0900Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
232 AM EST Thu Nov 13 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM EST FRIDAY...
* WHAT...Highest gusts up to 30 kts from the northwest and
highest waves around 10 feet.
* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point
Iroquois MI.
* WHEN...Until 4 AM EST Friday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Detroit/Pontiac MI
335 AM EST Thu Nov 13 2025
LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-140845-
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-
335 AM EST Thu Nov 13 2025
This hazardous weather outlook is for portions of Lake Erie, Lake
Huron and Lake St Clair.
.DAY ONE...Today and Tonight
Small Craft Advisories remain in effect for the outer Saginaw Bay and
portions of the Lake Huron shoreline. Please see the marine forecast
for additional details.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today and tonight.
$$
You can obtain your latest National Weather Service forecasts online
at www.weather.gov/detroit.
AM
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
314 AM EST Thu Nov 13 2025
LMZ844>849-140815-
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
314 AM EST Thu Nov 13 2025
This hazardous weather outlook is for the nearshore waters from
St Joseph to Manistee.
.DAY ONE...Today and Tonight
Wind and waves will be hazardous to small craft today.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday
Wind and waves may be hazardous to small craft Friday night
through Sunday.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Marquette MI
302 AM EST Thu Nov 13 2025
LSZ162-240>251-263>267-140815-
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-
302 AM EST Thu Nov 13 2025 /202 AM CST Thu Nov 13 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 Gale Warning is in effect for eastern Lake Superior for winds
of 35-40 knots tonight. Gale force gusts will be possible in the
vicinity and east of the Keweenaw Peninsula today, mainly in the
morning hours. See the latest Marine Weather Message and Open
Lake Forecast for more information.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday
There is a 40 to 60% chance of gale force winds Saturday night
into Sunday in the waters surrounding and east of the Keweenaw
Peninsula.
.SPOTTER INFORMATION STATEMENT...
The need for weather spotter reports is not anticipated at this
time.
$$
Hazardous Weather Outlook
National Weather Service Marquette MI
302 AM EST Thu Nov 13 2025
MIZ001>007-009>014-084-085-140815-
Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger-Luce-
Gogebic-Iron-Dickinson-Menominee-Delta-Southern Schoolcraft-
Southern Houghton-Northern Schoolcraft-
302 AM EST Thu Nov 13 2025 /202 AM CST Thu Nov 13 2025/
This Hazardous Weather Outlook is for portions of central Upper
Michigan and western Upper Michigan.
.DAY ONE...Today and Tonight
Patches of black ice could form on untreated roadways over the
central and western U.P where snowmelt occurred during the day.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday
Saturday night into Sunday, 40 mph winds are possible in the
Keweenaw and near Lake Superior (~50% chance).
.SPOTTER INFORMATION STATEMENT...
The need for weather spotter reports is not anticipated at this
time.
$$
