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San Onofre - Trails Surf Forecast
/ CAL – Orange County (51 breaks) / California (404 breaks) /
Surf Forecasts:
San Onofre - Trails surfForecast / CAL – Orange County / USA
48hr Weather and Surf, issued 4 am Tuesday 21 Apr 2026 PDTForecast update in hr min s Forecast update imminent
San Onofre - Trails surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's San Onofre - Trails sea temperature is
18.2° C
(Which is 2.8°C warmer than normal for this time of year)How big are the waves at San Onofre - Trails today?
The current surf forecast for San Onofre - Trails at 11AM is: 0.5m 12s primary swell from a South-southwest direction and 0.4m 15s secondary swell from a South direction (forecast issued at 04:00am April 21). The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 2ft (0.6m) | 12s |
| Afternoon (21 Apr) | 1.5ft (0.5m) | 12s |
| Evening (21 Apr) | 1.5ft (0.5m) | 19s |
Table - waves today at San Onofre - Trails. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 15 | 15 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 83 | 101 | 112 | 86 | 76 | 192 | 192 | 188 | 159 | 227 | 516 | 395 | 395 | 297 | 264 | 254 | 254 | 326 | 326 | 326 | 318 | 161 | 212 | 209 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | glass | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | glass | off | off | off | cross- on | on | on | on | glass |
High Tide / height (m) | 11:31PM 1.75 | 1:58PM 0.89 | 12:29AM 1.60 | 3:47PM 0.91 | 1:49AM 1.45 | 5:14PM 1.01 | ||||||||||||||||||
Low Tide / height (m) | 7:16AM -0.20 | 5:50PM 0.71 | 8:32AM -0.11 | 7:17PM 0.81 | 9:55AM -0.06 | 9:32PM 0.82 | ||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| Sunrise | - | - | 6:13 | - | - | - | - | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 7:24 | - | - | - | - | - | - | - | 7:24 | - | - | - | - | - | - | - | 7:25 | - | - |
 | |  | | |  |  | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 15 | 15 | 17 | 18 | 18 | 17 | 17 | 16 | 15 | 16 | 17 | 16 | 16 | 15 | 15 | 14 | 14 | 15 | 17 | 18 | 18 | 17 | 16 |
| Feels °C (?) | 16 | 15 | 15 | 15 | 15 | 16 | 15 | 14 | 14 | 13 | 14 | 14 | 12 | 12 | 13 | 14 | 12 | 12 | 13 | 16 | 16 | 15 | 15 | 16 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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