Big River Surf Break

Lat Long: 39.30° N 123.80° W

Big River WaveFinder

Issued: 4 am 07 Jul 2026 (local time)

Forecast update in  hr  min

Today's Big River sea temperature is
12.0° C
1.1° 

Big River surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Big River surf forecast from 7 Jul 2026:

  • Best quality surf: Wednesday 8 Jul, 8PM (local time) - 8ft (2.5m), 8s period, NW swell with cross-offshore winds.
  • Most powerful swell: Thursday 9 Jul, 8PM (local time) - 10ft (3.0m), 8s period, NW swell with 1,339 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 7 Jul, 11PM (local time) - 3.5ft (1.0m), 18s period with SSW swell.

Best Forecast Surf Conditions for Big River this week:

The surf forecast for Big River over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jul 07) at 11PM. The primary swell is predicted to be 1.0m and 18s period with a secondary swell of 0.7m and 15s. Another secondary swell of 2.0m and 7s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Big River in the next 16 days are 3.0m 8s and forecast to arrive on Thursday (Jul 09) at 8PM. Winds are predicted to be cross-offshore at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)11PM (Tue 7th Jul)3.5ft (1.0m) 18s
Best Surf 8PM (Wed 8th Jul)8ft (2.5m) 8s
Most Powerful 8PM (Thu 9th Jul)10ft (3.0m) 8s

Table - best surf conditions forecast for Big River over the next 16 days.


  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 
Nearest locationNearest