Las Islitas (Matanchen Bay) surf forecast from 9 Oct 2026:
- Best quality surf: Sunday 11 Oct, 9AM (local time) - 5.5ft (1.7m), 16s period, SSW swell with cross-offshore winds.
- Most powerful swell: Sunday 11 Oct, 9PM (local time) - 13ft (4.0m), 12s period, SSW swell with 4,865 kJ wave energy.
- Next surfable swell (1★+): Friday 9 Oct, 9AM (local time) - 3ft (0.9m), 19s period with SW swell.
Best Forecast Surf Conditions for Las Islitas (Matanchen Bay) this week:
The surf forecast for Las Islitas (Matanchen Bay) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Oct 09) at 9AM. The primary swell is predicted to be 0.9m and 19s period with a secondary swell of 1.0m and 15s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Las Islitas (Matanchen Bay) in the next 16 days are 4.0m 12s and forecast to arrive on Sunday (Oct 11) at 9PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 8s period and expected on Sunday (Oct 11) at 12PM.
| Wave Type | Time (CST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Fri 9th Oct) | 3ft (0.9m) 19s |
| Best Surf | 9AM (Sun 11th Oct) | 5.5ft (1.7m) 16s |
| Most Powerful | 9PM (Sun 11th Oct) | 13ft (4.0m) 12s |
Table - best surf conditions forecast for Las Islitas (Matanchen Bay) 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)
