Can you swim here today?
Marina Dunes Preserve
Marina, California · Park
Cold water — serious cold-shock risk today
Cold waterAs of August 21, 2026, the water temperature at Marina Dunes Preserve is 59°F (15°C), measured by NOAA buoy MLSC1, 6.9 miles away.
Cold water — serious cold-shock risk today: water temperature is 59°F, cold enough to cause cold-water shock on sudden immersion.
- Water temperature is 59°F, cold enough to cause cold-water shock on sudden immersion. — NOAA buoy MLSC1, as of Aug 21, 10:05 PM UTC
- No official beach advisory posted (California Water Boards — FHAB Reports checked).
Water temp
59°F
15°C
Official advisories
Checked against California Water Boards — FHAB Reports — no advisory posted.
Live data from NOAA buoy MLSC1 (6.9 mi away), as of Aug 21, 10:05 PM UTC.
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.