← All Signals

⛅ Heavy Freezing Spray Warning issued March 17 at 3:40AM CDT until March 17 at 11:00AM CDT by NWS Milwaukee/Sullivan WI

weatherbearishSource: NOAA Weather
80%Confidence
0Views
NOAA WeatherSource
2026-03-17Date

Summary

Gale conditions and heavy freezing spray on Lake Michigan's northern open waters threaten major shipping lanes and vessel safety. This may cause broader supply chain interruptions for goods transported via the Great Lakes.

Actionable: Anticipate shipping delays on Lake Michigan and review contingency plans for cargo movements.

AI Confidence: 80%

Data Points

severitySevere
eventHeavy Freezing Spray Warning
areaLake 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 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
urgencyExpected
certaintyLikely

Source

http://www.weather.gov

Get Signals Instantly

Premium subscribers receive every signal via Telegram the moment it fires — hours before it appears here.

Subscribe Now