Surf Forecasts:
Trestles (Lowers) surf forecast from 4 Aug 2026:
- Best quality surf: Thursday 6 Aug, 11PM (local time) - 2ft (0.6m), 13s period, SSW swell with glassy winds.
- Most powerful swell: Saturday 8 Aug, 11PM (local time) - 3.5ft (1.0m), 16s period, SSW swell with 487 kJ wave energy.
- Next surfable swell (1★+): Monday 3 Aug, 11PM (local time) - 1.5ft (0.5m), 13s period with SW 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 03) at 11PM. The primary swell is predicted to be 0.4m and 16s period with a secondary swell of 0.5m and 13s. Another secondary swell of 0.5m and 6s is also forecast. 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 1.0m 16s and forecast to arrive on Saturday (Aug 08) at 11PM. 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 (Mon 3rd Aug) | 1.5ft (0.5m) 13s |
| Best Surf | 11PM (Thu 6th Aug) | 2ft (0.6m) 13s |
| Most Powerful | 11PM (Sat 8th Aug) | 3.5ft (1.0m) 16s |
Table - best surf conditions forecast for Trestles (Lowers) over the next 16 days.
The Lowdown
Alright, this is Rusty. Let’s talk about what’s on the menu for the next couple of weeks.
Overall, it’s a pretty quiet stretch ahead. We’ve got tiny, onshore-battered swell for the majority of the period. The water is sitting at a very warm 76° – that’s much warmer than usual for this time of year, so you’ll be in boardies for sure.
Right now, and for the first week, the surf is pretty much flat. From Monday the 3rd of August right through to Sunday the 9th of August, we’re looking at tiny waves, mostly 1ft to 2ft, and coming straight onshore from the SW or SSW. The wind is light, but it’s all onshore, so the wave faces are just messy. Monday morning saw a 2ft SW swell with a long period of 13 seconds, but the cross-on wind made it choppy and ugly. Combined energy was weak to moderate (119), but it just didn’t get a chance to clean up. The only faint glimmer pops up on Saturday afternoon, the 8th of August, where the score edges up to a 1, but it’s only a 3ft SSW swell, still onshore, and it’s described as marginal. You’d be hard-pressed to find a wave worth paddling out for.
The second week doesn’t look much better, but there’s one day that stands out as the best on offer. Monday the 17th of August, in the afternoon, we get a break in the pattern. A light NNW breeze, blowing cross-offshore, finally cleans up the surface. The swell is still a modest 2ft from the SSW, with a period of 15 seconds, but that cross-off wind is a game-changer. The combined energy is moderate (353), and the comment says "expect good surf conditions". This is the one session to circle. It won’t be big, but it’ll be the most fun you’ll have all week. Tuesday the 18th of August sees the swell try to pick up a bit, but the wind switches back to a cross-on from the W, and the period drops to a short 8 seconds, ruining any shape.
So, the summary is rough. A long gap of poor surf, then one promising afternoon on the 17th. If you can wait, that’s your window. Otherwise, it’s a slow time for Trestles (Lowers).
Rusty.
Short Range ForecastMostly dry. Warm (max 25°C on Tue morning, min 21°C on Mon night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 25°C on Thu afternoon, min 21°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Monday 3 | Tuesday 4 | Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | |||||||||||||||
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) | SW 13 | SW 13 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SSW 13 | SSW 18 | SSW 19 | SSW 19 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 80 | 91 | 91 | 85 | 107 | 75 | 162 | 127 | 160 | 113 | 114 | 126 | 329 | 243 | 348 | 344 | 295 | 481 | 411 | 305 | 297 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | glassy | on | on | glassy | on | on | glassy | on | on | cross-on | cross-on | on | cross-on | cross-on | on | cross-on | on | on | cross |
High Tide | 12:48PM1.44m | 00:36AM1.16m | 1:29PM1.48m | 1:54AM0.95m | 2:22PM1.52m | 4:05AM0.83m | 3:33PM1.57m | 6:25AM0.88m | 4:49PM1.67m | 7:33AM1.00m | 5:58PM1.80m | 8:13AM1.11m | 6:57PM1.93m | ||||||||
Low Tide | 7:05PM0.52m | 6:45AM0.38m | 8:25PM0.49m | 7:15AM0.55m | 10:07PM0.40m | 7:58AM0.70m | 11:44PM0.22m | 9:36AM0.82m | 00:51AM0.02m | 11:25AM0.83m | 1:42AM-0.16m | 12:41PM0.74m | 2:27AM-0.29m | ||||||||
 | |  | | | | | | | | | | | | | | | | | | | |
 | 6:03 | — | — | 6:03 | — | — | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — | 6:07 | — | — | 6:07 | — | — |
 | — | 7:47 | — | — | 7:46 | — | — | 7:45 | — | — | 7:45 | — | — | 7:44 | — | — | 7:43 | — | — | 7:42 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 24 | 21 | 25 | 25 | 22 | 24 | 24 | 22 | 24 | 25 | 22 | 25 | 24 | 22 | 24 | 25 | 22 | 24 | 25 | 22 |
Feels °C | 25 | 24 | 23 | 26 | 25 | 24 | 25 | 24 | 24 | 25 | 25 | 23 | 25 | 24 | 23 | 24 | 25 | 23 | 25 | 25 | 23 |
Swell 1 Height (m) Direction Period (s) | W 6 | SW 13 | W 6 | SW 16 | SW 15 | W 5 | SW 14 | SW 14 | SW 14 | SW 13 | SSW 13 | SW 13 | SSW 19 | SSW 13 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 |
| kJ | 16 | 83 | 15 | 85 | 107 | 11 | 162 | 127 | 160 | 113 | 114 | 84 | 329 | 111 | 348 | 344 | 295 | 481 | 411 | 305 | 297 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 16 | SW 12 | W 5 | SW 12 | SW 15 | W 5 | SW 12 | W 5 | W 5 | W 5 | SSW 18 | SSW 13 | SSW 19 | SSW 12 | SW 12 | SSW 12 | SW 12 | W 13 | SW 11 | SW 11 |
| kJ | 80 | 91 | 54 | 14 | 36 | 75 | 7 | 34 | 11 | 8 | 8 | 126 | 114 | 243 | 103 | 69 | 94 | 72 | 13 | 42 | 42 |
Swell 3 Height (m) Direction Period (s) | SSW 11 | SSW 11 | SW 16 | SSW 12 | S 10 | SW 13 | S 9 | S 9 | S 9 | S 12 | SSW 20 | W 5 | WSW 5 | W 5 | W 15 | SSW 9 | W 12 | SSW 8 | SW 22 | SW 21 | SW 21 |
| kJ | 23 | 23 | 91 | 58 | 8 | 40 | 6 | 6 | 6 | 25 | 79 | 4 | 5 | 4 | 4 | 17 | 3 | 6 | 19 | 72 | 71 |
Wind waves Height (m) Direction Period (s) | — | W 6 | — | — | W 6 | — | — | W 5 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 16 | — | — | 15 | — | — | 8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 85 | 85 | 0 | 85 | 85 | 0 | 85 | 85 | 0 | 85 | 85 | 32 | 64 | 85 | 83 | 83 | 85 | 64 | 64 | 133 | 3 |
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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