Half Moon Bay water temperature today

Half Moon Bay, California

Half Moon Bay water temperature today is 72°F. Most surfers should plan around Boardshorts.

Water temperatures refreshed hourly from NOAA buoys and forecast models.

Pack the right rubber and you'll extend your sessions in Half Moon Bay 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.

72°F
Boardshorts

Warm enough for boardshorts or a bikini

7-Day Temperature Trend

Data from Mavericks · Updated hourly

Beach Water Temperatures

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

Mavericks

72°F

Boardshorts

Surf spots in Half Moon Bay

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Featured Beaches(1)

Mavericks

Advanced

One of the most famous big-wave spots on Earth, Mavericks breaks a half-mile offshore over a shallow reef, producing giant right and left walls when long-period NW swells march in. Only expert big-wave surfers with safety teams should attempt it.

Spot guide for Half Moon Bay

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

Mavericks
reef
advanced

One of the most famous big-wave spots on Earth, Mavericks breaks a half-mile offshore over a shallow reef, producing giant right and left walls when long-period NW swells march in. Only expert big-wave surfers with safety teams should attempt it.

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 Half Moon Bay

Conditions

Dawn Patrol
Best early morning sessions
Sunset Sessions
Evening golden hour spots
Tide Windows
Optimal tidal conditions
Water Temperature
You're here

Style

Beginner Spots
Gentle waves for learning
Longboard Spots
Mellow waves for logging
Less Crowded
Quieter lineups & backups

Frequently Asked Questions

About surfing in Half Moon Bay

Water temperatures in Half Moon Bay 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 Half Moon Bay vary by season, ranging from 55-72°F. Check Quiver's live water temperature data for real-time readings at specific surf spots. Temperatures are typically warmest around August-September and coldest in January-February.
Water temperatures in Half Moon Bay 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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