Surf Forecasts:
Trestles (Uppers) surf forecast from 31 Jul 2026:
- Best quality surf: Thursday 30 Jul, 11PM (local time) - 3.5ft (1.0m), 14s period, SSW swell with glassy winds.
- Most powerful swell: Friday 31 Jul, 2AM (local time) - 4.5ft (1.4m), 14s period, S swell with 791 kJ wave energy.
- Next surfable swell (1★+): Thursday 30 Jul, 11PM (local time) - 3.5ft (1.0m), 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 Thursday (Jul 30) at 11PM. The primary swell is predicted to be 1.0m and 14s period with a secondary swell of 0.9m 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 1.4m 14s and forecast to arrive on Friday (Jul 31) at 2AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 9s period and expected on Friday (Jul 31) at 2PM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Thu 30th Jul) | 3.5ft (1.0m) 14s |
| Best Surf | 11PM (Thu 30th Jul) | 3.5ft (1.0m) 14s |
| Most Powerful | 2AM (Fri 31st Jul) | 4.5ft (1.4m) 14s |
Table - best surf conditions forecast for Trestles (Uppers) over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s break down what the next couple of weeks are looking like for the lineup.
Honestly, I gotta be straight with you – this forecast is a tough one for Trestles (Uppers). It’s a reef and point setup, exposed to the W swell, which is what we want, but the numbers just aren’t lining up. The water is sitting at 74°, which is a whopping 7° warmer than usual for this time of year – that’s really unusual, feels like a bathtub out there.
The only real pulse of energy comes in on Thursday, July 30th. We’ve got a 3ft SSW swell pushing in with a long 15-second period, giving us some real groundswell grunt. The combined energy hits 808 (moderate wave energy), so there’s some push behind it. But here’s the kicker – the wind is WSW at 6 mph, which is a light cross-onshore. It’s not terrible, but it’s not the clean offshore we’d be praying for. The wave comment calls it "marginal", and the score reflects that. It’s the best we’ve got, but it’s a real struggle.
Friday, July 31st morning sees a similar story: 4ft S swell at 14 seconds, with a 702 combined energy, but the wind swings onshore from the WSW at 6 mph. That’s not going to do us any favours. The afternoon drops off to 4ft and a 13-second period, still cross-onshore.
After that, it’s a long, bleak run. From Saturday, August 1st all the way through to Friday, August 14th, the swell drops to knee-high or below, with periods all over the place but the combined energy stays under 500, often under 200 (weak wave energy). The wind is almost always onshore or cross-onshore, with a gentle breeze that’s going to chop things up. The wave comments are all "poor surf conditions" or "marginal". There’s a whole two-week gap of nothing worth paddling out for.
Look, if you’re desperate, Thursday, July 30th is your only real window. It’s a long-period groundswell, so it’ll be better at the point than a beach, but with that cross-onshore wind, it’s going to be a frustrating session. For the rest of the run, I’d say the setup looks more interesting for kite surfing than paddle surfing, given the persistent side-shore winds and small, weak swell. It’s a quiet spell, but it tends not to stay this poor for long – forecasts can change.
Rusty.
Short Range ForecastMostly dry. Warm (max 26°C on Fri afternoon, min 20°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 25°C on Sun afternoon, min 21°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Thu 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | ||||||||||||||
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 15 | S 14 | S 14 | S 13 | SSW 14 | SSW 13 | SSW 13 | S 13 | SW 14 | S 12 | SW 13 | SW 13 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 |
Wave Graph  | ||||||||||||||||||||
 kJ | 468 | 791 | 665 | 521 | 207 | 173 | 273 | 121 | 91 | 75 | 83 | 82 | 91 | 91 | 84 | 77 | 75 | 72 | 71 | 125 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | on | cross-on | glassy | on | on | cross-on | on | on | glassy | on | on | glassy | cross-on | on | glassy | on | cross-on | glassy |
High Tide | 9:59PM1.76m | 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 | |||||||
Low Tide | 3:58PM0.58m | 5:03AM-0.09m | 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 | |||||||
 |  | | | | | | | | | | | | | |  | | | | | |
 | — | — | 6:01 | — | — | 6:01 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:05 | — | — |
 | 7:51 | — | — | 7:51 | — | — | 7:50 | — | — | 7:49 | — | — | 7:47 | — | — | 7:46 | — | — | 7:45 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 21 | 25 | 26 | 24 | 26 | 26 | 24 | 26 | 25 | 23 | 25 | 25 | 22 | 24 | 24 | 22 | 24 | 25 | 22 |
Feels °C | 24 | 23 | 26 | 26 | 27 | 27 | 26 | 26 | 27 | 25 | 25 | 26 | 26 | 23 | 25 | 24 | 24 | 25 | 25 | 23 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | S 14 | S 14 | S 13 | SSW 14 | SSW 13 | SSW 13 | S 13 | W 7 | W 7 | W 7 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | SW 14 | SW 14 | SW 14 |
| kJ | 468 | 791 | 665 | 521 | 207 | 173 | 273 | 121 | 47 | 37 | 51 | 39 | 39 | 23 | 18 | 18 | 12 | 72 | 71 | 125 |
Swell 2 Height (m) Direction Period (s) | S 13 | W 7 | W 7 | W 7 | S 10 | W 7 | W 7 | SSW 10 | S 12 | S 12 | SW 13 | SW 13 | SSW 13 | SW 12 | SW 15 | SW 15 | SW 15 | W 6 | W 6 | W 6 |
| kJ | 324 | 14 | 23 | 27 | 94 | 47 | 39 | 72 | 75 | 75 | 83 | 82 | 66 | 39 | 84 | 77 | 75 | 11 | 11 | 10 |
Swell 3 Height (m) Direction Period (s) | W 6 | SSE 8 | W 7 | WNW 8 | W 7 | S 9 | SW 15 | W 7 | SW 14 | SW 13 | SSW 12 | S 12 | SW 16 | SW 16 | SW 12 | SW 12 | SW 13 | SW 12 | SSW 12 | S 9 |
| kJ | 16 | 24 | 14 | 48 | 22 | 39 | 56 | 21 | 91 | 63 | 47 | 24 | 91 | 91 | 22 | 36 | 41 | 37 | 26 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | W 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 21 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 86 | 0 | 86 | 86 | 0 | 86 | 86 | 20 | 88 | 86 | 0 | 88 | 86 | 0 | 88 | 86 | 0 | 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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