Surf Forecasts:
Trestles (Lowers) surf forecast from 16 Jul 2026:
- Best quality surf: Monday 20 Jul, 11PM (local time) - 4ft (1.2m), 13s period, SSW swell with glassy winds.
- Most powerful swell: Sunday 19 Jul, 11PM (local time) - 5ft (1.6m), 14s period, SSW swell with 980 kJ wave energy.
- Next surfable swell (1★+): Saturday 18 Jul, 8AM (local time) - 2.5ft (0.8m), 17s period with SW swell.
Best Forecast Surf Conditions for Trestles (Lowers) this week:
The surf forecast for Trestles (Lowers) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Jul 18) at 8AM. The primary swell is predicted to be 0.8m and 17s period with a secondary swell of 0.5m and 12s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Trestles (Lowers) in the next 16 days are 1.6m 14s and forecast to arrive on Sunday (Jul 19) at 11PM. 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+) | 8AM (Sat 18th Jul) | 2.5ft (0.8m) 17s |
| Best Surf | 11PM (Mon 20th Jul) | 4ft (1.2m) 13s |
| Most Powerful | 11PM (Sun 19th Jul) | 5ft (1.6m) 14s |
Table - best surf conditions forecast for Trestles (Lowers) over the next 16 days.
Short Range ForecastMostly dry. Warm (max 25°C on Wed afternoon, min 19°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 22°C on Sat morning, min 19°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||
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 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 19 | SW 19 | SW 18 | SW 15 | SW 18 | SW 18 | S 14 | SSW 13 | S 13 | SSW 13 | SSW 15 | SSW 16 | SSW 13 | SSW 16 | SSW 15 | SSW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 107 | 96 | 161 | 122 | 122 | 125 | 181 | 103 | 136 | 366 | 379 | 394 | 929 | 771 | 867 | 403 | 506 | 373 | 612 | 474 | 474 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross | cross-on | cross-on | cross | cross-on | cross-on | cross | on | on | cross-on | on | cross-on | cross | on | on | glassy | on | on | cross-on |
High Tide | 11:06AM1.29m | 10:19PM2.02m | 11:47AM1.34m | 11:06PM1.86m | 12:29PM1.38m | 11:54PM1.64m | 1:12PM1.41m | 00:44AM1.39m | 1:58PM1.43m | 1:45AM1.14m | 2:48PM1.44m | 3:09AM0.93m | 3:42PM1.45m | ||||||||
Low Tide | 4:12PM0.50m | 5:29AM-0.35m | 5:04PM0.49m | 6:07AM-0.21m | 5:59PM0.50m | 6:44AM-0.03m | 7:01PM0.53m | 7:19AM0.16m | 8:13PM0.55m | 7:54AM0.37m | 9:43PM0.52m | 8:31AM0.55m | 11:24PM0.42m | ||||||||
 | |  | | | | | | | | | | | | | | | | | | | |
 | 5:50 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — |
 | — | 8:00 | — | — | 8:00 | — | — | 7:59 | — | — | 7:59 | — | — | 7:58 | — | — | 7:58 | — | — | 7:57 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 25 | 23 | 24 | 24 | 21 | 22 | 22 | 20 | 22 | 22 | 20 | 22 | 22 | 20 | 22 | 22 | 21 | 23 | 24 | 22 |
Feels °C | 25 | 26 | 24 | 25 | 23 | 21 | 21 | 22 | 20 | 22 | 22 | 21 | 23 | 21 | 21 | 22 | 21 | 22 | 24 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 12 | SW 16 | W 7 | W 9 | W 8 | W 7 | SW 14 | SW 15 | SW 18 | SW 18 | S 14 | SSW 13 | S 13 | SSW 13 | S 12 | SSW 16 | SSW 13 | SSW 16 | SSW 15 | SSW 15 |
| kJ | 95 | 83 | 161 | 69 | 76 | 45 | 40 | 103 | 136 | 366 | 379 | 394 | 929 | 771 | 867 | 341 | 506 | 373 | 612 | 474 | 474 |
Swell 2 Height (m) Direction Period (s) | W 5 | SW 16 | S 12 | SW 16 | SW 16 | SW 15 | SW 19 | W 7 | S 12 | S 12 | S 12 | S 11 | WNW 15 | SW 17 | W 5 | SSW 15 | SSW 11 | SSW 16 | SSW 10 | SSW 10 | W 6 |
| kJ | 8 | 96 | 73 | 122 | 122 | 107 | 181 | 24 | 45 | 100 | 141 | 149 | 45 | 358 | 7 | 403 | 205 | 330 | 100 | 116 | 23 |
Swell 3 Height (m) Direction Period (s) | SW 17 | W 5 | W 6 | SSW 12 | SSW 12 | SW 19 | SW 14 | SW 18 | W 6 | WSW 6 | SW 13 | SW 16 | — | WNW 15 | WNW 15 | W 6 | W 6 | W 5 | W 6 | W 6 | SSW 9 |
| kJ | 107 | 8 | 12 | 48 | 47 | 125 | 74 | 83 | 12 | 7 | 44 | 91 | — | 43 | 21 | 17 | 10 | 13 | 25 | 18 | 55 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | S 3 | S 4 | SSW 4 | S 3 | — | — | — | — | W 6 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 3 | 9 | 5 | 2 | — | — | — | — | 10 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 83 | 85 | 16 | 83 | 83 | 28 | 89 | 83 | 28 | 83 | 85 | 64 | 83 | 85 | 3 | 85 | 85 | 0 | 83 | 85 | 64 |
Best forecast wave conditions in Orange County | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the Trestles (Lowers) Surf forecast
The above surf forecast table for Trestles (Lowers) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Trestles (Lowers) can be found by selecting the local surf guide option on the grey menu. Our Trestles (Lowers) 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 (Trestles (Lowers)) 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 Trestles (Lowers) 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.
Trestles (Lowers) is 6 km (4 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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