Updated
Marion Lake
Reservoir
Comfortable for a swim today
Good to swimComfortable for a swim today: water temperature is 77°F, within the comfortable 70–86°F range.
- Water temperature is 77°F, within the comfortable 70–86°F range.
- Heavy rain today can raise bacteria levels near outfalls and river mouths.
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Comfortable for a swim today
Good to swimComfortable for a swim today: water temperature is 77°F, within the comfortable 70–86°F range.
- Water temperature is 77°F, within the comfortable 70–86°F range. — NOAA buoy SDHN4, as of Aug 21, 11:00 PM UTC
- Heavy rain today can raise bacteria levels near outfalls and river mouths.
No official beach-advisory feed for New Jersey yet — follow posted signs and local guidance.
Live data from NOAA buoy SDHN4 (7.5 mi away), as of Aug 21, 11:00 PM UTC.
Weather at Marion Lake
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Frequently asked questions
- Where is Marion Lake?
- Marion Lake is a reservoir in New Jersey.
- What is the water temperature at Marion Lake?
- As of August 21, 2026, the water temperature at Marion Lake in New Jersey is 77°F (25°C), measured by NOAA buoy SDHN4, 7.5 miles away.
- Can you swim at Marion Lake?
- Comfortable for a swim today: water temperature is 77°F, within the comfortable 70–86°F range. Checked August 21, 2026.
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Location & Contact
New Jersey
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