Surf Forecasts:
Trestles (Lowers) surf forecast from 5 Sep 2026:
- Best quality surf: Sunday 6 Sep, 5PM (local time) - 6.5ft (2.0m), 14s period, S swell with cross-offshore winds.
- Most powerful swell: Monday 7 Sep, 5AM (local time) - 7ft (2.1m), 14s period, SSW swell with 1,748 kJ wave energy.
- Next surfable swell (1★+): Friday 4 Sep, 8PM (local time) - 4ft (1.2m), 16s 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 (Sep 04) at 8PM. The primary swell is predicted to be 1.2m and 16s period with a secondary swell of 0.6m and 14s. 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 2.1m 14s and forecast to arrive on Monday (Sep 07) at 5AM. 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+) | 8PM (Fri 4th Sep) | 4ft (1.2m) 16s |
| Best Surf | 5PM (Sun 6th Sep) | 6.5ft (2.0m) 14s |
| Most Powerful | 5AM (Mon 7th Sep) | 7ft (2.1m) 14s |
Table - best surf conditions forecast for Trestles (Lowers) over the next 16 days.
The Lowdown
Hey, Rusty here. Let's talk about what's brewing.
The water is running unusually warm – about 75° – at Trestles (Lowers) right now. The first couple of days are pretty quiet. Friday the 4th and Saturday the 5th bring in some small, long-period groundswell from the SSW, 3 to 4 feet, with period around 16 to 17 seconds. The energy is moderate, but the wind is a light cross-on from the WSW, kicking up little ripples. It's marginal stuff.
Sunday the 6th is the real deal. By the afternoon, we see a clean 6 to 7 foot swell from the south, 14-second period, and the energy jumps into the strong range. The wind backs off to a light N breeze, making it cross-off and glassy. This is your top pick. The waves will have good shape and power – perfect for experienced surfers who know the break.
Monday the 7th pushes the swell up to over 7 feet from the SSW, but the wind turns sour. A moderate WNW breeze at 12-13 mph brings in a cross-on chop, ruining the quality. The energy is still high, but it's a messy one. Tuesday the 8th the swell drops to 5 to 6 feet, but the cross-onshore wind keeps things choppy.
Then things go flat. From Wednesday the 9th all the way through to Saturday the 19th, it’s grim. Swell drops to 1 to 2 feet, energy is weak to moderate, and most days are rated poor. There's a tiny blip on Sunday the 14th with a 2-foot, 18-second period swell, but it’s too small to make a session of. The 10th of September has a brief moment of light offshore wind and a 3-foot SW swell, but again, too small to chase.
Bottom line: your best bet is Sunday the 6th at Trestles (Lowers). That 6 to 7 foot south swell with clean, light wind is the only real standout in the whole 16-day window. After that, it’s a long, slow wait for any sign of life.
Rusty.
Short Range ForecastLight rain (total 4mm), mostly falling on Sun afternoon. Warm (max 25°C on Sun afternoon, min 19°C on Fri morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 28°C on Wed afternoon, min 23°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | |||||||||||||||
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 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | S 14 | S 14 | S 14 | S 13 | SSW 14 | SSW 13 | SSW 12 | SSW 13 | SSW 13 | SSW 11 | SSW 10 | SSW 10 | SW 17 | SW 17 | SW 16 | SW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 587 | 559 | 620 | 512 | 666 | 957 | 1298 | 1505 | 838 | 1581 | 1609 | 1036 | 938 | 838 | 504 | 245 | 278 | 419 | 560 | 508 | 483 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | glassy | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-on | cross-on | glassy | cross-on | cross | cross-on | cross-on | cross-on | glassy | on | cross-on | glassy |
High Tide | 3:06PM1.55m | 6:58AM1.01m | 4:42PM1.62m | 7:24AM1.14m | 5:56PM1.74m | 7:51AM1.26m | 6:54PM1.85m | 8:19AM1.38m | 7:43PM1.91m | 8:47AM1.49m | 8:28PM1.91m | 9:17AM1.59m | 9:10PM1.83m | ||||||||
Low Tide | 11:34PM0.14m | 10:07AM0.94m | 00:38AM-0.01m | 11:51AM0.84m | 1:25AM-0.13m | 12:54PM0.67m | 2:04AM-0.19m | 1:43PM0.49m | 2:39AM-0.20m | 2:28PM0.34m | 3:11AM-0.15m | 3:10PM0.23m | 3:40AM-0.05m | ||||||||
 | |  | |  |  |  | |  | | | | | | | | | | | | | |
 | 6:26 | — | — | 6:26 | — | — | 6:26 | — | — | 6:28 | — | — | 6:28 | — | — | 6:28 | — | — | 6:30 | — | — |
 | — | 7:12 | — | — | 7:09 | — | — | 7:08 | — | — | 7:07 | — | — | 7:06 | — | — | 7:05 | — | — | 7:02 | — |
mm | — | — | — | — | — | — | 1 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 22 | 20 | 24 | 24 | 24 | 24 | 25 | 25 | 26 | 26 | 24 | 26 | 27 | 24 | 27 | 28 | 26 | 26 | 25 | 24 |
Feels °C | 22 | 21 | 22 | 23 | 23 | 23 | 22 | 26 | 27 | 26 | 24 | 23 | 25 | 24 | 23 | 26 | 26 | 27 | 27 | 26 | 25 |
Swell 1 Height (m) Direction Period (s) | SSW 17 | SSW 16 | SSW 16 | S 14 | S 13 | S 14 | S 14 | S 14 | S 13 | SSW 14 | SSW 13 | SSW 12 | SSW 13 | SSW 13 | SSW 11 | SSW 10 | SSW 10 | SW 10 | SW 17 | SW 16 | SW 16 |
| kJ | 587 | 559 | 620 | 462 | 599 | 957 | 1298 | 1505 | 838 | 1581 | 1609 | 1036 | 938 | 838 | 504 | 245 | 267 | 134 | 560 | 508 | 483 |
Swell 2 Height (m) Direction Period (s) | SSW 11 | S 14 | S 14 | SSW 16 | SSW 16 | WSW 11 | SW 20 | W 11 | SSW 15 | — | — | W 10 | SW 18 | SW 18 | SW 16 | SW 16 | SW 16 | SW 17 | SW 9 | SW 9 | SW 10 |
| kJ | 78 | 148 | 253 | 512 | 666 | 45 | 15 | 36 | 596 | — | — | 8 | 80 | 81 | 130 | 214 | 278 | 419 | 97 | 62 | 148 |
Swell 3 Height (m) Direction Period (s) | W 6 | SSW 11 | SW 11 | SW 12 | S 10 | W 13 | — | W 12 | — | — | — | — | SW 21 | SW 21 | W 10 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | WSW 12 | SSW 11 |
| kJ | 15 | 78 | 75 | 66 | 70 | 3 | — | 3 | — | — | — | — | 18 | 18 | 2 | 96 | 29 | 81 | 47 | 53 | 39 |
Wind waves Height (m) Direction Period (s) | — | W 5 | — | — | — | — | W 10 | NW 4 | W 11 | W 10 | WNW 4 | WNW 4 | — | W 3 | W 4 | W 4 | W 4 | WNW 4 | W 4 | WNW 3 | WNW 4 |
| kJ | — | 8 | — | — | — | — | 49 | 12 | 36 | 17 | 10 | 9 | — | 5 | 5 | 3 | 6 | 6 | 3 | 3 | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 85 | 85 | 0 | 75 | 85 | 13 | 3 | 0 | 0 | 13 | 85 | 0 | 85 | 85 | 24 | 13 | 13 | 0 | 85 | 85 | 0 |
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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