Polar Plunge Seattle 2025 Dates. Festivities will begin with registration, music, and merriment on the shores of sunset beach. The polar bear plunge at matthews beach park invites locals to dive into 2025 with an invigorating swim in the lake on january 1 at 12 noon.

The polar bear plunge was the first official event of its kind in the seattle area and has inspired other, similar events throughout the region. Find a plunge near you: