Surf Forecasts:
Trestles (Lowers) surf forecast from 26 Aug 2026:
- Best quality surf: Friday 28 Aug, 5AM (local time) - 2.5ft (0.7m), 18s period, SSW swell with glassy winds.
- Most powerful swell: Saturday 29 Aug, 2AM (local time) - 4.5ft (1.3m), 17s period, SSW swell with 932 kJ wave energy.
- Next surfable swell (1★+): Friday 28 Aug, 5AM (local time) - 2.5ft (0.7m), 18s 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 Friday (Aug 28) at 5AM. The primary swell is predicted to be 0.7m and 18s period with a secondary swell of 0.8m and 10s. 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 1.3m 17s and forecast to arrive on Saturday (Aug 29) at 2AM. Winds are predicted to be glassy at the time the swell arrives.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Fri 28th Aug) | 2.5ft (0.7m) 18s |
| Best Surf | 5AM (Fri 28th Aug) | 2.5ft (0.7m) 18s |
| Most Powerful | 2AM (Sat 29th Aug) | 4.5ft (1.3m) 17s |
Table - best surf conditions forecast for Trestles (Lowers) over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s take a look at what’s cookin’ for Trestles (Lowers) over the next couple of weeks.
Right off the bat, I gotta be straight with you – the first week is a bit of a struggle. We’ve got some swell around, but the conditions are just not cooperating. The water temp is about average for this time of year, nothing unusual there.
Starting Wednesday the 26th, we’ve got a 4ft S swell at 12 seconds, but the wind is all over the place. The combined energy is moderate (808), but it’s just messy. Thursday the 27th is similar, with a 4ft S swell dropping to 3ft, and the wind is cross-onshore. It’s all very marginal. Friday the 28th is a real dud – the swell drops to 3ft and the conditions are just poor. That stretch from Wednesday through to the end of the month is a big gap of nothing really worth paddling out for. The swell tries to pick up a bit on the morning of Tuesday the 1st of September with a 4ft S swell, but again, it’s onshore and the score is low.
Now, here’s where it gets a little interesting. The morning of Thursday the 3rd of September sees a 6ft SSW swell, which is the biggest we’ve seen yet, and with a period of 12 seconds, it’s got some moderate energy behind it (1017). The wind is a light cross-onshore, which is not ideal but manageable. This is probably the best on offer from the whole run, but honestly, it’s not a standout. It’s still a bit marginal. The swell is getting up there, but it’s not a clean, glassy day.
After that, it’s a slow decline. The wind picks up from the WNW on Friday the 4th and Saturday the 5th, making things choppy and poor. The swell drops back down to 3ft to 4ft, and the conditions are just not there. The entire second week is a write-off with poor surf conditions and increasing wind. Even the longer period swells in the middle of the second week (17-19 seconds) are arriving with onshore or cross-onshore wind, so those long lines will be a mess. For a spot like Trestles, which needs a clean SW groundswell, this is a tough run.
So, the long and short of it: if you’re desperate, the morning of Thursday the 3rd of September is your best bet, but keep your expectations in check. The rest of the window is a washout. This is one of those stretches where the forecasts can change, so don’t write it off completely, but right now, it’s looking pretty grim.
Rusty.
Short Range ForecastMostly dry. Warm (max 28°C on Wed morning, min 24°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 27°C on Sat morning, min 20°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | |||||||||||||||
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 12 | S 12 | S 11 | S 12 | S 11 | SSW 18 | SSW 17 | SSW 19 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | S 12 | S 12 | S 12 | S 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 485 | 461 | 272 | 333 | 231 | 270 | 351 | 325 | 932 | 700 | 733 | 706 | 537 | 400 | 321 | 257 | 158 | 228 | 441 | 565 | 672 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross | cross-on | cross-on | cross | cross-on | cross-on | glassy | on | cross-on | cross | cross-on | on | cross | on | cross-on | glassy | cross-on | cross-on | cross-off |
High Tide | 9:16AM1.30m | 8:37PM1.78m | 9:38AM1.37m | 9:09PM1.77m | 10:01AM1.45m | 9:43PM1.71m | 10:26AM1.52m | 10:18PM1.61m | 10:52AM1.58m | 10:57PM1.45m | 11:20AM1.62m | 11:42PM1.26m | 11:53AM1.63m | 00:41AM1.06m | |||||||
Low Tide | 2:35PM0.54m | 3:31AM-0.06m | 3:09PM0.45m | 3:55AM-0.04m | 3:45PM0.38m | 4:19AM0.02m | 4:23PM0.33m | 4:43AM0.13m | 5:04PM0.29m | 5:06AM0.26m | 5:52PM0.28m | 5:29AM0.41m | 6:51PM0.30m | ||||||||
 | |  |  |  | | | |  | | | | | | | | | | | | | |
 | 6:20 | — | — | 6:20 | — | — | 6:20 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:24 | — | — |
 | — | 7:22 | — | — | 7:22 | — | — | 7:21 | — | — | 7:19 | — | — | 7:17 | — | — | 7:16 | — | — | 7:15 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 26 | 27 | 27 | 25 | 28 | 28 | 25 | 27 | 27 | 24 | 24 | 24 | 21 | 23 | 23 | 21 | 24 | 25 | 22 |
Feels °C | 30 | 30 | 28 | 29 | 28 | 27 | 30 | 29 | 27 | 28 | 28 | 27 | 24 | 23 | 22 | 23 | 22 | 22 | 23 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | S 12 | S 12 | S 11 | S 12 | S 11 | S 10 | SSW 17 | S 9 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | W 7 | SSW 14 | S 12 | S 12 | S 12 | S 12 | S 12 |
| kJ | 485 | 461 | 272 | 333 | 231 | 154 | 351 | 54 | 932 | 700 | 733 | 706 | 537 | 400 | 80 | 257 | 148 | 228 | 441 | 565 | 672 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SSW 18 | S 9 | SW 14 | S 8 | W 7 | W 7 | W 8 | W 8 | W 7 | SSW 14 | W 7 | SSW 13 | S 14 | SSW 13 | SW 18 | WNW 9 |
| kJ | 302 | 196 | 171 | 169 | 132 | 270 | 79 | 147 | 34 | 64 | 53 | 141 | 117 | 87 | 321 | 43 | 158 | 180 | 67 | 80 | 9 |
Swell 3 Height (m) Direction Period (s) | W 6 | W 6 | W 13 | SSW 19 | SW 18 | SW 14 | W 9 | SSW 19 | W 7 | S 8 | W 9 | S 8 | SSE 13 | SSE 13 | SSE 12 | S 13 | S 16 | SSW 13 | W 5 | WNW 10 | — |
| kJ | 20 | 11 | 55 | 142 | 81 | 116 | 39 | 325 | 21 | 20 | 27 | 10 | 35 | 55 | 47 | 168 | 20 | 114 | 4 | 19 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 6 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 26 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 83 | 27 | 3 | 83 | 64 | 0 | 152 | 85 | 3 | 85 | 85 | 85 | 85 | 85 | 0 | 85 | 85 | 0 | 89 | 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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