Can you swim here today?
Arnold Lake
Michigan · Lake
Use caution — an official advisory is in effect
Use cautionAs of August 22, 2026, the water temperature at Arnold Lake is 77°F (25°C), measured by NOAA buoy 45200, 41.6 miles away.
Use caution — an official advisory is in effect: a Flood Advisory is in effect for Washtenaw, MI.
- A Flood Advisory is in effect for Washtenaw, MI. — NWS Detroit/Pontiac MI
- Water temperature is 77°F, within the comfortable 70–86°F range. — NOAA buoy 45200, as of Aug 22, 3:10 PM UTC
Water temp
77°F
25°C
No official beach-advisory feed for Michigan yet — follow posted signs and local guidance.
Live data from NOAA buoy 45200 (41.6 mi away), as of Aug 22, 3:10 PM UTC.
Before you get in
- Never swim alone — and keep weaker swimmers within arm's reach.
- Scout depth and entry/exit points before you get in.
- Read the current: avoid fast, rising, or murky water.
- Check the forecast — get out well before storms or lightning.
- Obey posted signs, flags, and lifeguard guidance.
Read next
Conditions are for general information only and can change quickly. Always judge the water in person and follow posted advisories and local guidance before swimming or paddling.