Updated
Grand Rapids Flowage
Reservoir
Cool water — ease in carefully
Use cautionCool water — ease in carefully: water temperature is 69°F, cool enough to cause cold-water shock on a sudden entry.
- Water temperature is 69°F, cool enough to cause cold-water shock on a sudden entry.
- Heavy rain today can raise bacteria levels near outfalls and river mouths.
Interactive map not available
Cool water — ease in carefully
Use cautionCool water — ease in carefully: water temperature is 69°F, cool enough to cause cold-water shock on a sudden entry.
- Water temperature is 69°F, cool enough to cause cold-water shock on a sudden entry. — NOAA buoy MNMM4, as of Aug 22, 5:18 AM UTC
- Heavy rain today can raise bacteria levels near outfalls and river mouths.
No official beach-advisory feed for Wisconsin yet — follow posted signs and local guidance.
Live data from NOAA buoy MNMM4 (18.7 mi away), as of Aug 22, 5:18 AM UTC.
Weather at Grand Rapids Flowage









Sponsored gear checklist
Pack smarter for Grand Rapids Flowage
Useful gear categories for this kind of water spot. These links open Amazon search results so you can compare current options.
As an Amazon Associate we earn from qualifying purchases.
Frequently asked questions
- Where is Grand Rapids Flowage?
- Grand Rapids Flowage is a reservoir in Wisconsin.
- What is the water temperature at Grand Rapids Flowage?
- As of August 22, 2026, the water temperature at Grand Rapids Flowage in Wisconsin is 69°F (20°C), measured by NOAA buoy MNMM4, 18.7 miles away.
- Can you swim at Grand Rapids Flowage?
- Cool water — ease in carefully: water temperature is 69°F, cool enough to cause cold-water shock on a sudden entry. Checked August 22, 2026.
Advertisement
Visitor Reviews
Be the first to share your experience here
Join our community to share your water adventures
Earn badges as you share your experiences!
No reviews yet — share what you know
Been here? A quick note helps the next visitor plan their day. Handy things to mention:
Best Times to Visit
- ›Check for boat launch facilities and fees
- ›Obtain required fishing licenses before arrival
- ›Be aware of lake-specific regulations and restrictions
- ›Monitor water quality reports before swimming
Location & Contact
Wisconsin
</> Embed this location on your site
Paste this snippet into your website to show a live badge for Grand Rapids Flowage — free to use with the included credit link.