Updated
Long Lake
Lake · Portage, Indiana
Comfortable for a swim today
Good to swimComfortable for a swim today: water temperature is 74°F, within the comfortable 70–86°F range.
- Water temperature is 74°F, within the comfortable 70–86°F range.
Things to Do Near Long Lake
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Portage Glacier Cruise Experience 1 hr drive from Anchorage
Mount Batur Jeep Adventure
Glaciers and Wildlife: Super Scenic Day Tour from Anchorage
Portage Glacier Cruise and Wildlife Explorer Tour
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Comfortable for a swim today
Good to swimComfortable for a swim today: water temperature is 74°F, within the comfortable 70–86°F range.
- Water temperature is 74°F, within the comfortable 70–86°F range. — NOAA buoy 45170, as of Aug 21, 10:40 PM UTC
No official beach-advisory feed for Indiana yet — follow posted signs and local guidance.
Live data from NOAA buoy 45170 (15.9 mi away), as of Aug 21, 10:40 PM UTC.
Weather at Long Lake
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Frequently asked questions
- Where is Long Lake?
- Long Lake is a lake in Portage, Indiana.
- What is the water temperature at Long Lake?
- As of August 21, 2026, the water temperature at Long Lake in Portage, Indiana is 74°F (23°C), measured by NOAA buoy 45170, 15.9 miles away.
- Can you swim at Long Lake?
- Comfortable for a swim today: water temperature is 74°F, within the comfortable 70–86°F range. Checked August 21, 2026.
- How is Long Lake rated?
- Long Lake in Portage, Indiana has an average visitor rating of 3.5 out of 5, based on 6 reviews.
- What amenities does Long Lake have?
- Visitor-listed amenities at Long Lake include camping-nearby.
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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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