Updated
Ottawa Lake
Lake · Ottawa, Wisconsin
Comfortable for a swim today
Good to swimComfortable for a swim today: water temperature is 73°F, within the comfortable 70–86°F range.
- Water temperature is 73°F, within the comfortable 70–86°F range.
- Heavy rain today can raise bacteria levels near outfalls and river mouths.
Things to Do Near Ottawa Lake
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Ottawa City Tour by Land and Water
Ottawa Boat Cruise - Rideau Canal Cruise
Moana Floating Tiki Bar on the Ottawa River (Ottawa PickUp)
Ottawa Hop-On Hop-Off Sightseeing Tour
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Comfortable for a swim today
Good to swimComfortable for a swim today: water temperature is 73°F, within the comfortable 70–86°F range.
- Water temperature is 73°F, within the comfortable 70–86°F range. — NOAA buoy 45013, as of Aug 22, 1:00 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 45013 (33.7 mi away), as of Aug 22, 1:00 AM UTC.
Weather at Ottawa Lake
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Frequently asked questions
- Where is Ottawa Lake?
- Ottawa Lake is a lake in Ottawa, Wisconsin.
- What is the water temperature at Ottawa Lake?
- As of August 22, 2026, the water temperature at Ottawa Lake in Ottawa, Wisconsin is 73°F (23°C), measured by NOAA buoy 45013, 33.7 miles away.
- Can you swim at Ottawa Lake?
- Comfortable for a swim today: water temperature is 73°F, within the comfortable 70–86°F range. Checked August 22, 2026.
- How is Ottawa Lake rated?
- Ottawa Lake in Ottawa, Wisconsin has an average visitor rating of 4.6 out of 5, based on 79 reviews.
- What amenities does Ottawa Lake have?
- Visitor-listed amenities at Ottawa Lake include camping-nearby.
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- ›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
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