Surf Forecasts:
Trestles (Uppers) surf forecast from 8 Aug 2026:
- Best quality surf: Saturday 8 Aug, 5AM (local time) - 3ft (0.9m), 18s period, SSW swell with glassy winds.
- Most powerful swell: Saturday 8 Aug, 5AM (local time) - 3ft (0.9m), 18s period, SSW swell with 443 kJ wave energy.
- Next surfable swell (1★+): Saturday 8 Aug, 2AM (local time) - 2.5ft (0.8m), 18s period with SSW swell.
Best Forecast Surf Conditions for Trestles (Uppers) this week:
The surf forecast for Trestles (Uppers) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 08) at 2AM. The primary swell is predicted to be 0.8m and 18s period with a secondary swell of 0.5m and 12s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Trestles (Uppers) in the next 16 days are 0.9m 18s and forecast to arrive on Saturday (Aug 08) at 5AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 11s period and expected on Thursday (Aug 13) at 11PM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Sat 8th Aug) | 2.5ft (0.8m) 18s |
| Best Surf | 5AM (Sat 8th Aug) | 3ft (0.9m) 18s |
| Most Powerful | 5AM (Sat 8th Aug) | 3ft (0.9m) 18s |
Table - best surf conditions forecast for Trestles (Uppers) over the next 16 days.
The Lowdown
Alright, I'll level with you. This 16-day stretch for Trestles (Uppers) is looking pretty bleak. There's a lot of flat, mushy days to get through before we see anything worth a paddle.
Right now, we're on tiny, weak surf. Friday the 7th of August, the water is a warm 75°F, which is way warmer than usual for this time of year, but that's the only good thing. The swell is a puny 2ft from the SSW with a long period of 19 seconds, but the wind is a light cross-onshore, putting a little texture on it. The combined energy is only moderate (409). The rest of the weekend and into next week is a total washout – poor surf conditions, light onshore winds, and waves barely reaching 3ft. It's flat, it's messy, and it's not worth your time.
Honestly, from the 7th right through to the 21st of August, there's hardly a sniff of a decent wave. The wind is constantly cross-onshore or onshore, and the swell directions are all over the place but never delivering any real power. This is a long, dry spell for a spot that's usually very consistent.
Now, let's look at the very end of the window. The sessions on the 22nd of August – Saturday morning and afternoon – are the only ones that even get a marginal nod. The combined energy picks up a bit (586 in the morning, 526 in the afternoon), hinting at a bit more push. The morning of the 22nd has a light onshore breeze, which is better than the cross-onshore chop. Swell is still small, around 3ft from the SSW with a moderate period of 15 seconds. It's not a standout, it's just the best of a bad lot. But it's still a long way off, so take that as a hopeful whisper, not a sure thing. The crowds at Trestles are always thick, so if this little bump shows, you'll be fighting for waves.
So, the bottom line? The first two weeks are a no-go. The best window is a *maybe* for the 22nd of August, but it's marginal. For a spot that's this reliable, it's a frustrating run. Keep an eye on the charts, but don't get your hopes up.
Rusty.
Short Range ForecastMostly dry. Warm (max 26°C on Sat afternoon, min 22°C on Fri morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 25°C on Mon morning, min 20°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | |||||||||||||||
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 19 | SSW 19 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SW 20 | SW 19 | SW 18 | SW 18 | SW 18 | SSW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 292 | 207 | 348 | 340 | 295 | 362 | 309 | 242 | 236 | 207 | 186 | 184 | 93 | 252 | 316 | 193 | 264 | 261 | 255 | 295 | 280 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | glassy | cross-on | cross-on | glassy | on | on | glassy | on | on | glassy | on | on | glassy | on | on | glassy | cross-on | on | glassy |
High Tide | 4:49PM1.67m | 7:33AM1.00m | 5:58PM1.80m | 8:13AM1.11m | 6:57PM1.93m | 8:47AM1.21m | 7:49PM2.03m | 9:21AM1.31m | 8:37PM2.07m | 9:55AM1.40m | 9:22PM2.03m | 10:28AM1.47m | 10:06PM1.92m | ||||||||
Low Tide | 9:36AM0.82m | 00:51AM0.02m | 11:25AM0.83m | 1:42AM-0.16m | 12:41PM0.74m | 2:27AM-0.29m | 1:39PM0.62m | 3:07AM-0.35m | 2:30PM0.50m | 3:44AM-0.35m | 3:17PM0.40m | 4:19AM-0.29m | 4:04PM0.34m | 4:52AM-0.17m | |||||||
 | |  | | | | | |  | | | | |  | | | | | | | | |
 | 6:05 | — | — | 6:07 | — | — | 6:07 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:11 | — | — |
 | — | 7:44 | — | — | 7:43 | — | — | 7:42 | — | — | 7:40 | — | — | 7:39 | — | — | 7:38 | — | — | 7:37 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 25 | 22 | 25 | 26 | 23 | 26 | 26 | 23 | 25 | 25 | 23 | 25 | 24 | 22 | 24 | 24 | 21 | 23 | 23 | 20 |
Feels °C | 25 | 26 | 23 | 25 | 25 | 24 | 27 | 26 | 24 | 25 | 25 | 25 | 26 | 24 | 24 | 24 | 24 | 22 | 23 | 23 | 21 |
Swell 1 Height (m) Direction Period (s) | SSW 19 | SSW 19 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SW 18 | SW 18 | SSW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 |
| kJ | 292 | 207 | 348 | 340 | 295 | 362 | 309 | 242 | 236 | 207 | 139 | 137 | 93 | 252 | 316 | 193 | 264 | 261 | 255 | 295 | 280 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SW 12 | SW 12 | SSW 12 | W 5 | W 5 | SW 11 | SW 11 | SW 20 | SW 20 | SW 19 | SW 15 | SSW 12 | SSW 12 | SSW 12 | S 12 | S 11 | S 11 | SSE 12 | S 11 |
| kJ | 114 | 111 | 72 | 69 | 56 | 16 | 8 | 30 | 42 | 104 | 186 | 184 | 75 | 49 | 47 | 28 | 47 | 59 | 85 | 44 | 62 |
Swell 3 Height (m) Direction Period (s) | W 4 | S 9 | SW 9 | S 9 | S 9 | SSW 12 | S 9 | SW 21 | SSW 11 | SSW 9 | SW 16 | W 6 | SW 18 | SW 14 | S 13 | S 13 | SW 13 | W 12 | W 13 | SSW 10 | SSW 20 |
| kJ | 3 | 6 | 29 | 15 | 14 | 56 | 6 | 72 | 24 | 8 | 39 | 3 | 82 | 74 | 29 | 51 | 61 | 26 | 28 | 33 | 151 |
Wind waves Height (m) Direction Period (s) | — | W 4 | — | W 4 | W 3 | — | — | W 5 | — | — | SSW 11 | — | — | — | — | — | — | — | — | W 6 | — |
| kJ | — | 4 | — | 3 | 6 | — | — | 7 | — | — | 11 | — | — | — | — | — | — | — | — | 6 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 86 | 86 | 0 | 86 | 86 | 0 | 86 | 86 | 0 | 89 | 229 | 0 | 88 | 66 | 0 | 88 | 86 | 0 | 88 | 86 | 0 |
Best forecast wave conditions in Orange County | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the Trestles (Uppers) Surf forecast
The above surf forecast table for Trestles (Uppers) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Trestles (Uppers) can be found by selecting the local surf guide option on the grey menu. Our Trestles (Uppers) 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 (Uppers)) 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 (Uppers) 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 (Uppers) 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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