Surf Forecasts:
Trestles (Lowers) surf forecast from 31 Aug 2026:
- Best quality surf: Saturday 5 Sep, 8PM (local time) - 4ft (1.2m), 14s period, S swell with glassy winds.
- Most powerful swell: Sunday 6 Sep, 5PM (local time) - 5.5ft (1.7m), 15s period, S swell with 1,280 kJ wave energy.
- Next surfable swell (1★+): Monday 31 Aug, 11PM (local time) - 2.5ft (0.7m), 13s period with SSW 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 Monday (Aug 31) at 11PM. The primary swell is predicted to be 0.7m and 13s period with a secondary swell of 0.7m and 11s. 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 1.7m 15s and forecast to arrive on Sunday (Sep 06) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Sunday (Sep 06) at 5PM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Mon 31st Aug) | 2.5ft (0.7m) 13s |
| Best Surf | 8PM (Sat 5th Sep) | 4ft (1.2m) 14s |
| Most Powerful | 5PM (Sun 6th Sep) | 5.5ft (1.7m) 15s |
Table - best surf conditions forecast for Trestles (Lowers) over the next 16 days.
The Lowdown
Alright folks, this is Rusty. I've been staring at the charts and let me tell you, the next couple of weeks at Trestles (Lowers) look a bit challenging. It's a classic case of "hurry up and wait." The surf is going to be pretty gutless and messy for most of the coming days.
For the first week or so, the swell is just not here. We're talking small, raw energy, and the wind is mostly coming from the wrong direction – onshore or cross-onshore. It’s going to be a choppy, frustrating mess of knee-high dribblers right through the end of August and the first few days of September. The water temp is currently sitting at 77°F, a full 9°F warmer than normal for this time of year, so at least you won't need a wetsuit.
Honestly, don't bother paddling out until we get to the following week. There’s a gap of several days here where you’re better off doing something else. The only real window in this whole outlook is the morning of Sunday, September 6th. That’s the standout. The wind goes absolutely glassy (NNW at 3 mph), the swell pushes to 6 ft from the S with a period of 14 seconds. The wave energy is strong at 1563, so there will be some push. This is solidly in the "experienced surfer only" range though; at over 5 ft and with that longer period, it’s going to be a fair bit of power. The wave comment says "excellent surf conditions for experienced surfers," and I can’t argue with that. The afternoon stays good with a clean cross-off breeze and the swell even getting a little longer, but there’s heavy rain forecast then.
Don't get too excited about anything after that. The window closes quick. By the time Monday rolls around, the wind goes messy again and the swell drops back off, leaving us with another string of days that are too small and blown out to get excited about. Trestles is very consistent, so it won't stay poor forever, but in this 16-day window, your best bet is to circle that Sunday morning. Even then, the crowds are "always" there at Lowers, so expect company. The swell is coming from the S, which isn't the absolute optimum SW direction for the break, but with that glassy morning it'll be the best we’ve got. For the rest of the period, it’s a lot of "maybe next time."
Rusty.
Short Range ForecastMostly dry. Warm (max 24°C on Mon morning, min 19°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 25°C on Sat night, min 20°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 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) | SSW 14 | S 12 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SW 16 | SW 16 | SW 17 | SW 16 | SW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | S 14 | S 14 | S 15 | S 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 253 | 184 | 156 | 116 | 114 | 93 | 133 | 129 | 295 | 151 | 455 | 651 | 594 | 667 | 674 | 512 | 512 | 944 | 1208 | 1280 | 1212 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | glassy | on | cross-on | glassy | on | cross-on | glassy | cross-on | on | cross | cross-on | on | glassy | cross-on | cross-on | cross-off | glassy | cross-off | on |
High Tide | 11:20AM1.62m | 11:42PM1.26m | 11:53AM1.63m | 00:41AM1.06m | 12:34PM1.62m | 2:20AM0.88m | 1:34PM1.57m | 5:35AM0.88m | 3:06PM1.55m | 6:58AM1.01m | 4:42PM1.62m | 7:24AM1.14m | 5:56PM1.74m | ||||||||
Low Tide | 5:52PM0.28m | 5:29AM0.41m | 6:51PM0.30m | 5:52AM0.58m | 8:11PM0.32m | 6:14AM0.73m | 9:57PM0.27m | 6:35AM0.88m | 11:34PM0.14m | 10:07AM0.94m | 00:38AM-0.01m | 11:51AM0.84m | 1:25AM-0.13m | ||||||||
 | |  | | | | | | | | | | | | | |  |  |  |  |  | |
 | 6:22 | — | — | 6:24 | — | — | 6:24 | — | — | 6:24 | — | — | 6:26 | — | — | 6:26 | — | — | 6:26 | — | — |
 | — | 7:16 | — | — | 7:15 | — | — | 7:14 | — | — | 7:13 | — | — | 7:12 | — | — | 7:09 | — | — | 7:08 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 25 | 19 |
Temp °C | 24 | 24 | 21 | 23 | 24 | 21 | 23 | 23 | 21 | 22 | 23 | 20 | 22 | 23 | 21 | 24 | 24 | 25 | 25 | 23 | 23 |
Feels °C | 24 | 23 | 21 | 22 | 22 | 20 | 22 | 21 | 21 | 21 | 22 | 22 | 20 | 22 | 23 | 24 | 23 | 25 | 27 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | S 12 | S 11 | S 11 | S 10 | W 5 | W 6 | S 10 | SSW 12 | W 7 | SW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | S 14 | S 14 | S 14 | S 15 | S 14 |
| kJ | 253 | 184 | 119 | 112 | 78 | 28 | 25 | 80 | 158 | 56 | 455 | 651 | 594 | 667 | 674 | 512 | 501 | 944 | 1208 | 1280 | 1212 |
Swell 2 Height (m) Direction Period (s) | S 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | S 10 | SSW 12 | SSW 13 | W 6 | SSW 11 | W 6 | W 6 | W 7 | W 6 | SSE 14 | SSE 14 | SSW 16 | SSW 15 | SSW 15 | SW 15 | SSW 15 |
| kJ | 206 | 158 | 156 | 116 | 114 | 46 | 104 | 96 | 39 | 145 | 47 | 37 | 55 | 35 | 210 | 308 | 512 | 372 | 344 | 365 | 283 |
Swell 3 Height (m) Direction Period (s) | W 6 | SSW 19 | W 5 | W 6 | SW 18 | SSW 13 | SW 16 | SW 16 | SW 17 | SW 16 | SSW 10 | SSW 10 | SW 10 | SW 10 | W 5 | W 6 | W 6 | W 10 | WNW 6 | W 12 | WNW 4 |
| kJ | 39 | 35 | 20 | 24 | 80 | 93 | 133 | 129 | 295 | 151 | 92 | 36 | 50 | 52 | 14 | 18 | 18 | 51 | 11 | 3 | 12 |
Wind waves Height (m) Direction Period (s) | — | W 6 | — | — | W 6 | — | — | W 6 | — | — | — | — | — | — | — | — | — | W 6 | — | NW 3 | — |
| kJ | — | 25 | — | — | 23 | — | — | 24 | — | — | — | — | — | — | — | — | — | 17 | — | 8 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 85 | 85 | 0 | 85 | 85 | 0 | 85 | 85 | 0 | 85 | 130 | 3 | 89 | 85 | 0 | 83 | 85 | 0 | 0 | 0 | 133 |
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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