Surf Forecasts:
San Onofre - Trails surf forecast from 11 Sep 2026:
- Best quality surf: Thursday 17 Sep, 5AM (local time) - 2.5ft (0.8m), 16s period, SSW swell with glassy winds.
- Most powerful swell: Friday 11 Sep, 11AM (local time) - 3.5ft (1.0m), 16s period, SW swell with 471 kJ wave energy.
- Next surfable swell (1★+): Friday 11 Sep, 8PM (local time) - 3.5ft (1.0m), 15s period with SW swell.
Best Forecast Surf Conditions for San Onofre - Trails this week:
The surf forecast for San Onofre - Trails over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 11) at 8PM. The primary swell is predicted to be 1.0m and 15s period with a secondary swell of 0.5m and 6s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at San Onofre - Trails in the next 16 days are 1.0m 16s and forecast to arrive on Friday (Sep 11) at 11AM. Winds are predicted to be cross-offshore at the time the swell arrives.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Fri 11th Sep) | 3.5ft (1.0m) 15s |
| Best Surf | 5AM (Thu 17th Sep) | 2.5ft (0.8m) 16s |
| Most Powerful | 11AM (Fri 11th Sep) | 3.5ft (1.0m) 16s |
Table - best surf conditions forecast for San Onofre - Trails over the next 16 days.
Short Range ForecastMostly dry. Warm (max 25°C on Fri morning, min 21°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 24°C on Mon morning, min 20°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 19 | W 10 | W 8 | SW 18 | SW 17 | SW 16 | SSW 20 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 471 | 360 | 309 | 211 | 164 | 160 | 89 | 130 | 196 | 160 | 150 | 190 | 161 | 127 | 113 | 386 | 347 | 402 | 284 | 246 | 242 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-off | cross | cross-on | cross-off | cross | cross-on | cross-off | cross | cross | cross-off | cross | cross-on | glassy | cross-on | cross-on | glassy | on | on | cross-on |
High Tide | 9:46AM1.66m | 9:50PM1.71m | 10:15AM1.70m | 10:31PM1.55m | 10:44AM1.70m | 11:13PM1.36m | 11:11AM1.66m | 11:59PM1.17m | 11:38AM1.58m | 00:58AM0.99m | 12:07PM1.48m | 2:45AM0.87m | 12:46PM1.38m | ||||||||
Low Tide | 3:52PM0.16m | 4:08AM0.08m | 4:33PM0.14m | 4:33AM0.24m | 5:15PM0.16m | 4:56AM0.41m | 5:59PM0.22m | 5:16AM0.57m | 6:51PM0.30m | 5:28AM0.72m | 8:00PM0.38m | 5:12AM0.84m | 9:44PM0.41m | ||||||||
 | |  | | | | | | | | | | | | | | | | | | | |
 | 6:30 | — | — | 6:31 | — | — | 6:31 | — | — | 6:31 | — | — | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — |
 | — | 7:01 | — | — | 7:00 | — | — | 6:59 | — | — | 6:58 | — | — | 6:57 | — | — | 6:54 | — | — | 6:53 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 23 | 24 | 24 | 22 | 24 | 24 | 22 | 24 | 24 | 21 | 22 | 23 | 20 | 23 | 23 | 21 | 24 | 25 | 22 |
Feels °C | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 23 | 22 | 23 | 22 | 23 | 23 | 23 | 24 | 24 | 22 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | W 6 | W 7 | W 8 | W 10 | W 8 | W 8 | W 7 | W 9 | W 9 | W 8 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 |
| kJ | 471 | 360 | 309 | 211 | 164 | 36 | 82 | 94 | 196 | 160 | 89 | 33 | 57 | 58 | 32 | 386 | 347 | 402 | 284 | 246 | 242 |
Swell 2 Height (m) Direction Period (s) | W 6 | W 6 | W 6 | W 6 | W 6 | SW 14 | SW 14 | SW 13 | SW 13 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | W 7 | S 13 | S 11 | S 12 | S 10 | W 5 |
| kJ | 29 | 17 | 10 | 25 | 24 | 160 | 89 | 87 | 85 | 108 | 150 | 190 | 161 | 122 | 88 | 14 | 82 | 55 | 97 | 54 | 12 |
Swell 3 Height (m) Direction Period (s) | SSW 11 | SSW 10 | S 10 | S 10 | S 10 | S 9 | SW 19 | SW 19 | SW 19 | SW 13 | SW 13 | SW 12 | SW 12 | SSW 20 | SSW 18 | S 9 | W 6 | S 12 | SW 21 | SW 21 | S 12 |
| kJ | 22 | 20 | 16 | 29 | 29 | 14 | 58 | 130 | 129 | 44 | 40 | 38 | 37 | 127 | 113 | 15 | 11 | 27 | 160 | 162 | 69 |
Wind waves Height (m) Direction Period (s) | SSW 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 5 | W 3 | — |
| kJ | 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 5 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 86 | 61 | 1 | 61 | 83 | 16 | 61 | 83 | 1 | 63 | 83 | 21 | 86 | 83 | 1 | 83 | 83 | 1 | 83 | 83 | 16 |
Best forecast wave conditions in Orange County | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the San Onofre - Trails Surf forecast
The above surf forecast table for San Onofre - Trails provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at San Onofre - Trails can be found by selecting the local surf guide option on the grey menu. Our San Onofre - Trails surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (San Onofre - Trails) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for San Onofre - Trails may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
San Onofre - Trails is 9 km (6 miles) from San Clemente. If you plan a vacation in Orange County, look for hotels and other accommodation in San Clemente. San Clemente has rooms for a wide range of budgets as well as car hire and transport links.
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