Muir Beach water temperature today

Muir Beach, California

Muir Beach water temperature today is 57°F. Is it cold? It's cold for most people, so plan on a 4/3mm fullsuit.

Water temperature refreshed hourly from a latitude-based estimate.

Pack the right rubber and you'll extend your sessions in Muir Beach by an hour. Temps swing from upwelling lows to summer peaks, and the difference between a 3/2 and a 4/3 day can come overnight.

57°F5° this week
4/3mm fullsuit

Thicker suit needed for cold water

Recommended extras: booties recommended

7-Day Temperature Trend

Data from Muir Beach · Updated hourly

Beach Water Temperatures

Current water temperatures at each surf spot. Temperatures can vary based on local conditions, currents, and depth.

Surf spots in Muir Beach

Spot guide for Muir Beach

Break types, ratings, and local tips for each beach.

Muir Beach is a Pacific coastal cove at the mouth of Redwood Creek in Golden Gate National Recreation Area.

What to know about water temperature

  • Weekly temperature trends and seasonal averages
  • Gear recommendations for dawn patrol versus midday
  • Upwelling signals that drop temps overnight
  • Health and recovery tips for long cold sessions

Surf Guides for Muir Beach

Frequently Asked Questions

About surfing in Muir Beach

Muir Beach water is 57°F today, which is cold for most people, so most surfers wear a 4/3mm fullsuit. Wind, air temperature, and session length change how cold it feels.
Muir Beach water is 57°F today. Readings differ from beach to beach and through the day, so check the per-beach temperatures on this page before you go.
Water temperatures in Muir Beach typically range from 55-72°F. For summer, spring suit or 3/2mm is recommended. In winter, you'll want 4/3mm. Spring and fall may require adjusting based on your cold tolerance.
Water temperatures in Muir Beach range from 55-72°F, so most surfers wear at least spring suit or 3/2mm even in summer. A wetsuit is recommended year-round for longer sessions and early morning surfs.

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