Surf Forecasts:
Trestles (Uppers) surf forecast from 11 Aug 2026:
- Best quality surf: Saturday 15 Aug, 5AM (local time) - 4ft (1.2m), 17s period, SSW swell with glassy winds.
- Most powerful swell: Saturday 15 Aug, 2AM (local time) - 4ft (1.2m), 17s period, SSW swell with 807 kJ wave energy.
- Next surfable swell (1★+): Wednesday 12 Aug, 2AM (local time) - 2.5ft (0.7m), 18s period with SW swell.
Best Forecast Surf Conditions for Trestles (Uppers) this week:
The surf forecast for Trestles (Uppers) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 12) at 2AM. The primary swell is predicted to be 0.7m and 18s 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 (Uppers) in the next 16 days are 1.2m 17s and forecast to arrive on Saturday (Aug 15) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Wed 12th Aug) | 2.5ft (0.7m) 18s |
| Best Surf | 5AM (Sat 15th Aug) | 4ft (1.2m) 17s |
| Most Powerful | 2AM (Sat 15th Aug) | 4ft (1.2m) 17s |
Table - best surf conditions forecast for Trestles (Uppers) over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s talk about Trestles (Uppers). It’s a reef and point set-up that’s very consistent, and it’s exposed to swell. The water is about 74°F, which is much warmer than normal for this time of year – a solid 7°F above average. That’s a real bonus.
Honestly, the outlook for the next 16 days is a flat, frustrating stretch. There’s a long gap right from the start with nothing worth paddling out for. From Tuesday the 11th of August right through to Friday the 14th, it’s all poor surf conditions – small, messy, cross-onshore slop. The combined wave energy is weak, and the swell is tiny at 2 ft to 3 ft from the SSW or SW. Winds are blowing from the W or WSW at 6 to 9 mph, making everything choppy. It’s lifeless out there.
We get a slight uptick by Friday the 14th afternoon, but it’s still only marginal. The swell bumps to 3 ft from the SSW with a long period of 18 seconds, which gives the combined energy a moderate push. But the wind is still cross-onshore, so it’s not clean. Saturday the 15th and Sunday the 16th are much the same – marginal at best, with 3 ft to 4 ft of SSW swell, but that wind never really lets up. The best of a bad bunch might be Sunday the 16th morning, where we’ve got 3 ft from the SSW and a light cross-onshore breeze at 6 mph. It’s barely a standout, but it’s the only window where the chop isn’t terrible. The break is always crowded, so expect company even for this.
After that, the whole second week drops off a cliff. From Monday the 17th all the way through to Wednesday the 26th of August, it’s a desert. Swell stays between 1 ft and 3 ft, periods are all over the place, and wind is consistently cross-onshore or onshore. The combined energy sinks back into weak numbers. There’s nothing to get excited about – no clean windows, no proper windows. For a spot that’s usually very consistent, this is a shocking run.
If you’re desperate, the only day that even whispers “maybe” is Sunday the 16th morning. Otherwise, save your wax. The forecast could change, but right now, it’s a waiting game.
Rusty.
Short Range ForecastMostly dry. Warm (max 24°C on Tue morning, min 19°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 24°C on Sun afternoon, min 19°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 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) | SSW 13 | SW 18 | SW 18 | SSW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SW 14 | SSW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 93 | 252 | 316 | 193 | 264 | 261 | 255 | 353 | 280 | 299 | 360 | 807 | 417 | 627 | 666 | 499 | 443 | 367 | 367 | 301 | 264 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | glassy | on | cross-on | glassy | on | cross-on | glassy | on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | glassy |
High Tide | 9:21AM1.31m | 8:37PM2.07m | 9:55AM1.40m | 9:22PM2.03m | 10:28AM1.47m | 10:06PM1.92m | 11:02AM1.53m | 10:48PM1.74m | 11:37AM1.55m | 11:31PM1.52m | 12:11PM1.55m | 00:18AM1.28m | 12:47PM1.51m | 1:15AM1.05m | |||||||
Low Tide | 2:30PM0.50m | 3:44AM-0.35m | 3:17PM0.40m | 4:19AM-0.29m | 4:04PM0.34m | 4:52AM-0.17m | 4:50PM0.32m | 5:23AM-0.01m | 5:38PM0.33m | 5:51AM0.17m | 6:30PM0.37m | 6:17AM0.37m | 7:30PM0.43m | ||||||||
 | |  |  | |  | |  | | | | | | | | | | | | | | |
 | 6:09 | — | — | 6:09 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — | 6:13 | — | — | 6:13 | — | — |
 | — | 7:39 | — | — | 7:38 | — | — | 7:37 | — | — | 7:37 | — | — | 7:36 | — | — | 7:35 | — | — | 7:34 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 24 | 21 | 23 | 23 | 21 | 22 | 21 | 19 | 22 | 22 | 19 | 22 | 23 | 21 | 23 | 24 | 21 | 24 | 25 | 22 |
Feels °C | 25 | 25 | 22 | 24 | 23 | 22 | 23 | 21 | 20 | 22 | 21 | 19 | 22 | 23 | 22 | 23 | 23 | 21 | 24 | 24 | 22 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SW 18 | SW 18 | SSW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SW 14 | SSW 14 |
| kJ | 93 | 252 | 316 | 193 | 264 | 261 | 255 | 353 | 280 | 217 | 360 | 807 | 417 | 627 | 666 | 499 | 443 | 367 | 367 | 301 | 264 |
Swell 2 Height (m) Direction Period (s) | SW 15 | SSW 12 | SW 12 | SSW 12 | S 12 | S 12 | S 11 | S 11 | S 10 | SSW 18 | SW 14 | S 12 | SW 14 | S 11 | W 5 | S 11 | S 10 | W 5 | S 10 | SSW 18 | SW 10 |
| kJ | 75 | 57 | 69 | 27 | 47 | 47 | 60 | 60 | 53 | 299 | 214 | 42 | 191 | 38 | 17 | 20 | 19 | 25 | 8 | 63 | 15 |
Swell 3 Height (m) Direction Period (s) | SSW 19 | SW 15 | SW 13 | S 13 | SW 11 | SSW 11 | W 13 | SSW 21 | SSW 20 | S 11 | S 13 | W 11 | W 5 | W 11 | S 11 | W 10 | W 10 | S 10 | W 10 | S 10 | S 10 |
| kJ | 71 | 75 | 28 | 51 | 32 | 22 | 29 | 44 | 149 | 35 | 14 | 2 | 11 | 2 | 20 | 2 | 2 | 8 | 8 | 8 | 7 |
Wind waves Height (m) Direction Period (s) | W 12 | SW 10 | — | W 4 | — | — | — | W 8 | — | — | SW 11 | W 4 | — | W 5 | — | W 5 | W 4 | — | W 5 | W 5 | W 5 |
| kJ | 11 | 24 | — | 1 | — | — | — | 5 | — | — | 73 | 13 | — | 11 | — | 13 | 14 | — | 19 | 17 | 36 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 86 | 86 | 0 | 86 | 86 | 0 | 86 | 86 | 0 | 86 | 86 | 12 | 86 | 86 | 86 | 86 | 86 | 9 | 86 | 86 | 0 |
Best forecast wave conditions in Orange County | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the Trestles (Uppers) Surf forecast
The above surf forecast table for Trestles (Uppers) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Trestles (Uppers) can be found by selecting the local surf guide option on the grey menu. Our Trestles (Uppers) 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 (Uppers)) 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 (Uppers) 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 (Uppers) 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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