Updated

Arrowhead Lake
Lake · Denville, New Jersey
Things to Do Near Arrowhead Lake
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Current water conditions
Live data from NOAA buoy BATN6 (27 mi away), as of Aug 21, 9:18 AM UTC. Conditions are for general information only and can change quickly — always judge the water in person and follow posted advisories before swimming.
Weather at Arrowhead Lake









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Frequently asked questions
- Where is Arrowhead Lake?
- Arrowhead Lake is a lake in Denville, New Jersey.
- What is the water temperature at Arrowhead Lake?
- As of August 21, 2026, the water temperature at Arrowhead Lake in Denville, New Jersey is 76°F (24°C), measured by NOAA buoy BATN6, 27 miles away.
- Can you swim at Arrowhead Lake?
- There is no fixed answer for Arrowhead Lake: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Arrowhead Lake in Denville, New Jersey. Check current water conditions before you go, and follow posted signs and local guidance.
- How is Arrowhead Lake rated?
- Arrowhead Lake in Denville, New Jersey has an average visitor rating of 5 out of 5, based on 4 reviews.
Visitor Reviews
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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
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