Trestles (Uppers) Surf Break

Lat Long: 33.38° N 117.59° W

Trestles (Uppers) Surf Forecast and Surf Report

Issued: 10 pm 02 Sep 2026 (local time)

Forecast update in  hr  min

Today's Trestles (Uppers) sea temperature is
24.5°C
4.7° 

Trestles (Uppers) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Trestles (Uppers) surf forecast from 3 Sep 2026:

  • Best quality surf: Saturday 5 Sep, 8PM (local time) - 3.5ft (1.1m), 16s period, SSW swell with glassy winds.
  • Most powerful swell: Monday 7 Sep, 5PM (local time) - 6.5ft (2.0m), 14s period, SSW swell with 1,483 kJ wave energy.
  • Next surfable swell (1★+): Thursday 3 Sep, 11PM (local time) - 3.5ft (1.0m), 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 Thursday (Sep 03) at 11PM. The primary swell is predicted to be 1.0m and 18s period with a secondary swell of 0.8m and 6s. 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 2.0m 14s and forecast to arrive on Monday (Sep 07) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 13s period and expected on Saturday (Sep 05) at 8AM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)11PM (Thu 3rd Sep)3.5ft (1.0m) 18s
Best Surf 8PM (Sat 5th Sep)3.5ft (1.1m) 16s
Most Powerful 5PM (Mon 7th Sep)6.5ft (2.0m) 14s

Table - best surf conditions forecast for Trestles (Uppers) over the next 16 days.


The Lowdown

Alright, surfers, Rusty here. Let’s be straight with you. The next couple of weeks are looking pretty slow and mushy for our stretch of coast. We’ve got a window of decent swell but the wind is going to be a constant problem, keeping things lumpy and uninviting for the most part. It’s not a total loss, but you’re going to have to pick your moments and lower your expectations.

The first few days, starting Thursday the 3rd, are a write-off, to be honest. We’ve got a short-period south-southwest swell pushing in at around 2ft, but the cross-on breeze is just going to chop it all up. Not worth paddling out for.

Friday the 4th and Saturday the 5th see the swell fill in a touch, getting to 3ft to 4ft by Saturday afternoon. We’re still dealing with that cross-on wind. Saturday afternoon looks like the pick of this first stretch, with the wind clocking more onshore and the swell starting to show some shape. It’s still only marginal, but a few cleaner ones might roll through.

Now, here’s where it gets interesting, but frustrating. Sunday the 6th and Monday the 7th are our biggest swell of the run. We’re looking at 6ft of south-southwest groundswell. The problem? The wind is still on it. Sunday morning has that onshore wind making things lumpy, and by Monday afternoon it’s cross-on with more energy. This is proper-sized surf, over 5ft, so it’s not for the beginners. It’s got the power, but the surface conditions are going to be messy. Not the clean, lined-up Trestles we all dream about.

After that, it just fades out. Tuesday the 8th still has some size in the morning (6ft) but it drops off fast through the day. From Wednesday the 9th onwards, it’s a slow, sad slide into small, weak surf. We’re talking 1ft to 3ft waves with periods that drift around. There’s a glimmer of longer-period swell around the 14th and 17th, but the heights are tiny and the wind is all over the place. Those long-period swells at those sizes just won’t have the push.

So here’s the honest truth. There are no standout days in this 16-day window. The best you’re going to get is a marginal, sub-par session on Saturday the 5th or maybe Sunday the 6th if you’re desperate and don’t mind it rough. That bigger swell on Sunday is the only one with any real power, but it’s going to be hard work. We’ll take what we can get, but this isn't a week to be calling in sick for. Forecasts can shift, but as it stands, Trestles (Uppers) is going to be doing a whole lot of nothing. Keep an eye on it, but don't hold your breath.

Rusty, signing off.

Short Range Forecast

Mostly dry. Warm (max 24°C on Sat morning, min 19°C on Wed night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 25°C on Mon afternoon, min 21°C on Mon night). Wind will be generally light.

Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
0
1
3
1
1
3
2
3
4
2
2
4
2
1
4
3
0
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
SW
17
0.6
SW
15
0.8
SSW
18
1
SSW
18
1
SSW
17
1.1
SSW
16
1
SSW
16
1
SSW
16
1
SSW
16
1.3
SSW
15
1.8
S
14
1.9
S
14
1.9
SSW
13
1.8
SSW
14
2
SSW
14
1.9
SSW
13
1.7
SSW
13
1.5
SSW
13
1.4
SSW
12
Wave Graph
Metric surfscale
Energy kJ
295
188
404
651
587
667
525
506
521
756
1279
1403
1327
1363
1483
1249
903
710
557
Wind (km/h)
0
SSE
15
SSW
15
WSW
5
SE
10
SSW
15
W
5
N
10
WSW
10
SW
5
NNW
10
SW
10
SW
5
NNW
10
WSW
15
W
5
N
10
WSW
15
W
0
SSE
Wind State
glassy
cross-on
cross-on
glassy
cross-on
cross-on
glassy
cross-on
on
glassy
on
on
glassy
cross-on
cross-on
glassy
on
cross-on
glassy
High Tide
2:20AM0.88m
1:34PM1.57m
5:35AM0.88m
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
Low Tide
8:11PM0.32m
6:14AM0.73m
9:57PM0.27m
6:35AM0.88m
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
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
6:26
6:26
6:26
6:28
6:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:13
7:12
7:09
7:08
7:07
7:06
 mm
Temp °C
20
22
22
20
22
22
21
24
24
22
24
24
22
24
25
22
24
23
21
Feels °C
20
22
21
21
21
21
22
24
23
23
23
23
23
23
23
22
23
21
21
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  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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