Can you swim here today?
Duck Slough
California · River
Cool water — ease in carefully
Use cautionAs of August 22, 2026, the water temperature at Duck Slough is 64°F (18°C), measured by USGS gauge 381807121413801, 2.8 miles away.
Cool water — ease in carefully: water temperature is 64°F, cool enough to cause cold-water shock on a sudden entry.
- Water temperature is 64°F, cool enough to cause cold-water shock on a sudden entry. — USGS gauge 381807121413801, as of Aug 22, 9:45 PM gauge-local time
- No official beach advisory posted (California Water Boards — FHAB Reports checked).
Water temp
64°F
18°C
Streamflow
discharge
Gage height
14.35 ft
water level
Official advisories
Checked against California Water Boards — FHAB Reports — no advisory posted.
Live, provisional data from USGS gauge NEMETH SLOUGH NR COURTLAND CA (2.8 mi away), as of Aug 22, 9:45 PM gauge-local time.
Before you get in
- Never swim alone — and keep weaker swimmers within arm's reach.
- Scout depth and entry/exit points before you get in.
- Read the current: avoid fast, rising, or murky water.
- Check the forecast — get out well before storms or lightning.
- Obey posted signs, flags, and lifeguard guidance.
Read next
Conditions are for general information only and can change quickly. Always judge the water in person and follow posted advisories and local guidance before swimming or paddling.