Updated
Duck Slough
River
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.
- Flow is within the normal range (25th–75th percentile) for Aug 23 (median 137 ft³/s over 39 years).
natural watercourse in Merced County, California, United States of America
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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. — USGS gauge 11261100, as of Aug 22, 10:30 PM gauge-local time
- Flow is within the normal range (25th–75th percentile) for Aug 23 (median 137 ft³/s over 39 years). — USGS daily streamflow statistics, as of Aug 22, 10:30 PM gauge-local time
- No official beach advisory posted (California Water Boards — FHAB Reports checked).
Flow is normal for this date — within the normal range (25th–75th percentile) for Aug 23 (median 137 ft³/s over 39 years).
Official advisories
Checked against California Water Boards — FHAB Reports — no advisory posted.
Live, provisional data from USGS gauge SALT SLOUGH A HWY 165 NR STEVINSON CA (10 mi away), as of Aug 22, 10:30 PM gauge-local time.
Weather at Duck Slough
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Frequently asked questions
- Where is Duck Slough?
- Duck Slough is a river in California.
- What is the water temperature at Duck Slough?
- As of August 22, 2026, the water temperature at Duck Slough in California is 77°F (25°C), measured by USGS gauge 11261100, 10 miles away.
- Can you swim at Duck Slough?
- Comfortable for a swim today: water temperature is 77°F, within the comfortable 70–86°F range. Checked August 22, 2026.
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