Surf Forecasts:
Trestles (Lowers) surf forecast from 4 Aug 2026:
- Best quality surf: Friday 7 Aug, 5AM (local time) - 1.5ft (0.4m), 18s period, SSW swell with glassy winds.
- Most powerful swell: Saturday 8 Aug, 5AM (local time) - 3ft (0.9m), 18s period, SSW swell with 438 kJ wave energy.
- Next surfable swell (1★+): Tuesday 4 Aug, 2AM (local time) - 1.5ft (0.4m), 16s 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 Tuesday (Aug 04) at 2AM. The primary swell is predicted to be 0.4m and 16s period with a secondary swell of 0.4m and 6s. Another secondary swell of 0.4m and 12s 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 0.9m 18s and forecast to arrive on Saturday (Aug 08) 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+) | 2AM (Tue 4th Aug) | 1.5ft (0.4m) 16s |
| Best Surf | 5AM (Fri 7th Aug) | 1.5ft (0.4m) 18s |
| Most Powerful | 5AM (Sat 8th Aug) | 3ft (0.9m) 18s |
Table - best surf conditions forecast for Trestles (Lowers) over the next 16 days.
The Lowdown
Alright folks, it’s Rusty here. It’s a tough gig out there for the next couple of weeks. Looks like we’re in for a bit of a dry spell.
Alright, let’s be honest. The first real surf we’re looking at is a bit of a wait. The immediate outlook is pretty flat. For the next few days, we’re looking at tiny, weak waves. The swell energy is mostly in the low hundreds (213), and with a 1ft to 2ft SSW swell, you’ll be lucky to get a ripple. Couple that with onshore wind, and it’s basically a lake out there. We’ve got a gap of nearly a week with nothing worth paddling out for.
Now, the first time we start seeing something with a bit of life is around Wednesday the 7th of August. There’s a pulse of energy coming through, but it’s still small. The long period swell (19 seconds) is a positive sign for shape, but at 2ft, it’s barely going to break. The water is absolutely roasting, sitting at 76°F, which is much warmer than normal for this time of year.
The best chance to get wet will be around the weekend of the 10th and 11th of August. We’re looking at a slightly better 3ft to 3ft swell from the SSW. The real standout is the morning of Sunday the 9th of August. The combined energy is decent (443), and while the wind is a cross-onshore breeze, it’s light. The swell is a 3ft SSW at 15 seconds, which is a nice, workable groundswell for Trestles (Lowers). It’s not going to be firing, but it’ll be the most surfable it’s been all week. The line-up is always busy, so expect crowds.
Looking further out, the second week is a bit of a tease. We see some moderate wave energy building, with combined energy climbing into the 500s and 600s, but the wind keeps swinging cross-onshore. The afternoon of Friday the 14th of August has a 3ft SSW swell with a solid 18-second period and energy up at 671, but it’s messy with a moderate cross-onshore breeze. The weekend of the 15th and 16th of August also shows a 3ft SSW swell, but that same wind pattern holds it back from being a true standout. It’s promising, but not a certainty.
So, to sum it up: the wait is long, the surf is small, and the wind isn’t doing us any favors. If you’re desperate, Sunday the 9th of August is your best bet for a clean-ish session. Keep your expectations low and your board waxed.
Rusty.
Short Range ForecastMostly dry. Warm (max 25°C on Tue afternoon, min 20°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 25°C on Thu afternoon, min 21°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Mon 3 | Tuesday 4 | Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | ||||||||||||||
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 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 | 91 | 91 | 85 | 107 | 75 | 162 | 127 | 160 | 113 | 114 | 126 | 329 | 243 | 348 | 340 | 295 | 397 | 411 | 305 | 297 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | glassy | on | on | glassy | on | on | glassy | on | cross-on | cross-on | on | on | cross-on | cross-on | on | cross-on | cross-on | on | cross |
High Tide | 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 | — | — | 6:05 | — | — | 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 | 21 | 24 | 25 | 22 | 24 | 24 | 22 | 24 | 25 | 22 | 25 | 25 | 22 | 25 | 25 | 22 | 24 | 25 | 22 |
Feels °C | 25 | 23 | 25 | 25 | 24 | 25 | 25 | 24 | 25 | 26 | 23 | 25 | 25 | 24 | 26 | 25 | 23 | 24 | 25 | 22 |
Swell 1 Height (m) Direction Period (s) | SW 13 | W 6 | SW 16 | SW 15 | SW 15 | 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 | 83 | 10 | 85 | 107 | 75 | 162 | 127 | 160 | 113 | 114 | 84 | 329 | 111 | 348 | 340 | 295 | 397 | 411 | 305 | 297 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 12 | SSW 12 | SW 12 | W 5 | W 5 | SW 12 | W 5 | W 5 | W 5 | SSW 18 | SSW 13 | SSW 19 | SW 12 | SW 12 | SSW 12 | SW 12 | W 13 | SW 11 | SW 11 |
| kJ | 91 | 54 | 58 | 36 | 7 | 7 | 34 | 7 | 8 | 8 | 126 | 114 | 243 | 124 | 69 | 94 | 72 | 13 | 42 | 42 |
Swell 3 Height (m) Direction Period (s) | SSW 11 | SW 16 | W 6 | S 10 | SW 13 | S 9 | S 9 | S 9 | S 12 | SSW 20 | W 5 | W 5 | W 5 | W 15 | SSW 9 | W 12 | SSW 8 | SW 22 | SW 21 | SW 21 |
| kJ | 23 | 91 | 9 | 8 | 40 | 6 | 6 | 6 | 25 | 79 | 4 | 5 | 4 | 4 | 17 | 12 | 6 | 19 | 72 | 71 |
Wind waves Height (m) Direction Period (s) | W 6 | — | — | W 6 | — | — | W 5 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 16 | — | — | 9 | — | — | 8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 85 | 0 | 85 | 85 | 0 | 85 | 85 | 0 | 85 | 85 | 64 | 89 | 85 | 83 | 64 | 85 | 64 | 64 | 133 | 15 |
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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