Dense Fog Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
907 PM CST Fri Mar 6 2026
LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-071115-
/O.CON.KMKX.MF.Y.0001.000000T0000Z-260307T1500Z/
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-
907 PM CST Fri Mar 6 2026
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST SATURDAY...
* WHAT...Periods of dense fog will reduce visibility to less than
1 NM at times, with the lowest visibility over the northern half
of the lake (less than 1/4 NM at times).
* WHERE...All Open Waters of Lake Michigan.
* WHEN...Until 9 AM CST Saturday.
* IMPACTS...Low visibility will make navigation difficult.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.
&&
$$
Sheppard
URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
333 PM EST Fri Mar 6 2026
LHZ361>363-421-422-441>443-462>464-070915-
/O.EXB.KDTX.MF.Y.0005.260306T2100Z-260307T2100Z/
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI-
Port Sanilac to Port Huron MI-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
333 PM EST Fri Mar 6 2026
...DENSE FOG ADVISORY IN EFFECT UNTIL 4 PM EST SATURDAY...
* WHAT...Dense fog will reduce visibility to 1 NM or less.
* WHERE...Portions of Lake Huron.
* WHEN...Until 4 PM EST Saturday.
* IMPACTS...Low visibility will make navigation difficult.
* ADDITIONAL DETAILS...Dense fog development will be possible
overnight, down to 1/4 NM or less.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.
&&
$$
