Weather
Green Bay, WI Weather Oct. 10-11: Near-Record Warmth, 35 MPH Gusts and 9-Foot Waves
GREEN BAY, WI – Northeast Wisconsin is heading into an unusually warm October weekend, with temperatures approaching 82 degrees Saturday, Oct. 10, and gusty south winds creating hazardous boating cond
By Natalie Rhodes · 2026-10-09T12:41:36.045Z
GREEN BAY, WI – Northeast Wisconsin is heading into an unusually warm October weekend, with temperatures approaching 82 degrees Saturday, Oct. 10, and gusty south winds creating hazardous boating conditions on Lake Michigan and Green Bay.
According to the National Weather Service in Green Bay, dry and mostly sunny conditions will dominate Saturday and Sunday, with near record warmth possible Saturday afternoon.
Friday, Oct. 9, will bring highs between 65 and 70 degrees across the forecast area. Mostly sunny skies and low humidity near 30% are expected across the Northwoods, although a few stray sprinkles could develop in east central and far northeastern Wisconsin during the evening.
Saturday will be considerably warmer, with afternoon temperatures ranging from 78 to 82 degrees.
Breezy southerly winds could gust between 25 and 35 mph, particularly during the afternoon, as temperatures approach record levels for the date.
Sunday, Oct. 11, will remain warm and mostly sunny, with highs ranging from 75 to 81 degrees.
The warm weather will be accompanied by hazardous conditions on nearby waters.
A Small Craft Advisory is scheduled for Lake Michigan's nearshore waters from 1 a.m. Saturday until 1 p.m. Sunday. Another advisory covers the Bay of Green Bay from 10 a.m. Saturday until 7 a.m. Sunday.
Forecasters expect sustained southerly winds of 15 to 20 knots, with gusts reaching 25 to 30 knots. The strongest winds are expected Saturday afternoon and evening.
Waves on Lake Michigan could reach 6 to 9 feet, while waves on Green Bay are forecast between 2 and 4 feet.
These conditions could be hazardous for smaller vessels, particularly on exposed waters.
Boaters should monitor marine forecasts and consider postponing trips during the advisory periods.
For inland communities, the weekend will remain largely dry and sunny, with Saturday bringing the strongest winds and warmest temperatures before slightly cooler conditions arrive Sunday.