Surf Forecasts:
Trestles (Uppers) surf forecast from 31 Jul 2026:
- Best quality surf: Friday 31 Jul, 11PM (local time) - 2.5ft (0.8m), 14s period, SSW swell with glassy winds.
- Most powerful swell: Friday 31 Jul, 5PM (local time) - 4ft (1.2m), 13s period, S swell with 513 kJ wave energy.
- Next surfable swell (1★+): Friday 31 Jul, 11PM (local time) - 2.5ft (0.8m), 14s period with SSW 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 Friday (Jul 31) at 11PM. The primary swell is predicted to be 0.8m and 14s period with a secondary swell of 0.8m and 11s. 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 13s and forecast to arrive on Friday (Jul 31) at 5PM. 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 (Fri 31st Jul) | 2.5ft (0.8m) 14s |
| Best Surf | 11PM (Fri 31st Jul) | 2.5ft (0.8m) 14s |
| Most Powerful | 5PM (Fri 31st Jul) | 4ft (1.2m) 13s |
Table - best surf conditions forecast for Trestles (Uppers) over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s on the cards for the next couple of weeks.
Alright, I gotta be straight with you: the surf forecast for Trestles (Uppers) is pretty grim for the next week. The energy just isn't there. We’ve got a run of poor conditions starting Friday the 31st of July, with a small, short-period S swell pushing in around 4ft, but the southerly wind is on it, making it a messy, marginal affair. The combined swell energy is moderate at best (701) but the wave comment says it all. It’s not worth paddling out for.
This poor run stretches all the way through to the first week of August. From Saturday the 1st right through to Sunday the 9th, we’re looking at tiny, weak swells from the SW and SSW, mostly under 3ft. The wind is light and onshore, which is about the only positive, but the waves are just too small and gutless to get excited about. The combined energy drops into the low hundreds (137 to 440), which is weak. Honestly, it’s a kite-surfing kind of setup if anything, with clean, tiny lines.
Now, there’s a little glimmer of hope for Saturday the 15th of August. The morning shows a bit more life with a 3ft SSW swell and a 16-second period. That’s a proper groundswell, and the light offshore wind from the SW would groom it nicely. The combined energy (575) is moderate, but it’s the best we’ve got in the whole window. This is the standout, but it’s a long way off, so keep an eye on it. The afternoon looks like it will get a bit cross-onshore, so the morning session is the one to target.
For the rest of the second week, from the 10th to the 14th, it’s more of the same. Small, sub-3ft swells, mostly from the SW and SSW. The periods are decent (14-18 seconds) but the energy is just too low to push anything worthwhile into the break. The water’s sitting at a very warm 75°F, which is over 7°F warmer than normal for this time of year. That’s unusual, but it doesn’t help the waves.
So, bottom line: if you’re desperate, the morning of Saturday the 15th of August is the only real chance for a clean, rideable wave. Otherwise, it’s a long, flat stretch. Hang tight, forecasts can change.
Rusty.
Short Range ForecastMostly dry. Warm (max 26°C on Sat morning, min 21°C on Fri morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 26°C on Mon afternoon, min 21°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | Thursday 6 | |||||||||||||||
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) | S 14 | S 13 | SSW 14 | SSW 13 | SSW 13 | S 13 | SW 14 | S 12 | SW 13 | SW 13 | SW 13 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SSW 18 |
Wave Graph  | |||||||||||||||||||||
 kJ | 665 | 513 | 207 | 173 | 273 | 119 | 91 | 75 | 83 | 82 | 91 | 91 | 84 | 77 | 75 | 128 | 71 | 125 | 88 | 87 | 126 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | glassy | on | on | cross | on | on | glassy | on | on | cross-on | on | on | glassy | on | on | glassy | on | on | glassy |
High Tide | 11:17AM1.29m | 10:31PM1.68m | 11:45AM1.34m | 11:06PM1.55m | 12:14PM1.39m | 11:46PM1.37m | 12:48PM1.44m | 00:36AM1.16m | 1:29PM1.48m | 1:54AM0.95m | 2:22PM1.52m | 4:05AM0.83m | 3:33PM1.57m | ||||||||
Low Tide | 4:35PM0.55m | 5:29AM-0.02m | 5:17PM0.54m | 5:54AM0.09m | 6:05PM0.53m | 6:19AM0.23m | 7:05PM0.52m | 6:45AM0.38m | 8:25PM0.49m | 7:15AM0.55m | 10:07PM0.40m | 7:58AM0.70m | 11:44PM0.22m | ||||||||
 | |  | | | | | | | | | | | | | | | | | | | |
 | 6:01 | — | — | 6:01 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:05 | — | — | 6:05 | — | — |
 | — | 7:51 | — | — | 7:50 | — | — | 7:49 | — | — | 7:47 | — | — | 7:46 | — | — | 7:45 | — | — | 7:45 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 24 | 23 | 26 | 26 | 24 | 26 | 25 | 23 | 25 | 26 | 22 | 24 | 25 | 22 | 24 | 25 | 22 | 24 | 24 | 21 |
Feels °C | 25 | 25 | 26 | 27 | 26 | 26 | 27 | 25 | 25 | 26 | 26 | 23 | 25 | 26 | 23 | 25 | 25 | 23 | 24 | 24 | 22 |
Swell 1 Height (m) Direction Period (s) | S 14 | S 13 | SSW 14 | SSW 13 | SSW 13 | SSW 10 | W 7 | W 7 | W 7 | W 6 | W 6 | W 5 | W 6 | SW 15 | W 4 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 |
| kJ | 665 | 513 | 207 | 173 | 273 | 72 | 33 | 25 | 33 | 37 | 25 | 19 | 15 | 77 | 9 | 128 | 71 | 125 | 88 | 87 | 84 |
Swell 2 Height (m) Direction Period (s) | W 7 | WNW 7 | S 10 | W 7 | W 7 | S 13 | S 12 | S 12 | SW 13 | SW 13 | SW 13 | SW 12 | SW 15 | SW 12 | SW 15 | W 5 | W 5 | W 5 | W 5 | SSW 20 | SSW 18 |
| kJ | 22 | 15 | 94 | 33 | 40 | 119 | 75 | 75 | 83 | 82 | 83 | 39 | 84 | 36 | 75 | 8 | 9 | 5 | 4 | 81 | 126 |
Swell 3 Height (m) Direction Period (s) | W 7 | W 6 | W 7 | S 9 | SW 15 | W 7 | SW 14 | SW 13 | SSW 12 | S 10 | SW 16 | SW 16 | SSW 12 | S 10 | SW 13 | SSW 12 | SW 12 | S 9 | S 12 | S 9 | W 5 |
| kJ | 14 | 11 | 14 | 39 | 56 | 23 | 91 | 63 | 47 | 18 | 91 | 91 | 58 | 18 | 41 | 31 | 34 | 6 | 25 | 6 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | W 6 | — | — | — | — | — | W 5 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 16 | — | — | — | — | — | 4 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 86 | 86 | 0 | 86 | 86 | 20 | 88 | 86 | 0 | 86 | 86 | 20 | 86 | 86 | 0 | 86 | 86 | 0 | 88 | 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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