Oceanside Harbor surf forecast from 23 Aug 2026:
- Best quality surf: Tuesday 25 Aug, 11PM (local time) - 3.5ft (1.1m), 13s period, S swell with glassy winds.
- Most powerful swell: Saturday 29 Aug, 5AM (local time) - 4.5ft (1.3m), 17s period, SSW swell with 932 kJ wave energy.
- Next surfable swell (1★+): Saturday 22 Aug, 11PM (local time) - 2.5ft (0.7m), 14s period with SSW swell.
Best Forecast Surf Conditions for Oceanside Harbor this week:
The surf forecast for Oceanside Harbor over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 22) at 11PM. The primary swell is predicted to be 0.7m and 14s period with a secondary swell of 0.4m and 19s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Oceanside Harbor in the next 16 days are 1.3m 17s and forecast to arrive on Saturday (Aug 29) at 5AM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Sat 22nd Aug) | 2.5ft (0.7m) 14s |
| Best Surf | 11PM (Tue 25th Aug) | 3.5ft (1.1m) 13s |
| Most Powerful | 5AM (Sat 29th Aug) | 4.5ft (1.3m) 17s |
Table - best surf conditions forecast for Oceanside Harbor 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)
Nearest