Watches, Warnings & Advisories



2 products found for Marine Zone: LMZ346

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Gaylord MI
244 PM EDT Sun May 17 2026

LHZ345>349-LMZ323-341-342-344>346-LSZ321-322-182200-
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-
244 PM EDT Sun May 17 2026

This hazardous weather outlook is for the northern Michigan
nearshore waters of Lake Huron, Lake Michigan and Lake Superior.

.DAY ONE...This afternoon and tonight.

Scattered thunderstorms are expected this afternoon and tonight.
While most of these storms will remain sub-severe, a few storms
capable of producing marginally severe size hail and gusty winds
are possible.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Thunderstorms will be possible at times through Tuesday. A few of
these storms may reach severe limits.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

For more information visit http://weather.gov/gaylord.

$$




Small Craft Advisory

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
242 PM EDT Sun May 17 2026

LMZ323-342-344>346-180500-
/O.EXT.KAPX.SC.Y.0040.260518T0000Z-260519T0000Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-
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-
242 PM EDT Sun May 17 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 PM THIS EVENING TO
8 PM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the south and highest
  waves around 6 feet expected.

* WHERE...Grand Traverse Bay south of a line Grand Traverse
  Light to Norwood MI, 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 and
  Manistee to Point Betsie MI.

* WHEN...From 8 PM this evening to 8 PM EDT 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.

&&

$$