Trestles (Uppers) Surf Break

Lat Long: 33.38° N 117.59° W

Trestles (Uppers) Surf Forecast and Surf Report

Issued: 4 pm 05 Sep 2026 (local time)

Forecast update in  hr  min

Today's Trestles (Uppers) sea temperature is
23.5°C
3.6° 

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 6 Sep 2026:

  • Best quality surf: Sunday 6 Sep, 8AM (local time) - 6ft (1.9m), 14s period, S swell with cross-offshore winds.
  • Most powerful swell: Monday 7 Sep, 5AM (local time) - 6.5ft (2.0m), 14s period, SSW swell with 1,526 kJ wave energy.
  • Next surfable swell (1★+): Sunday 6 Sep, 8AM (local time) - 6ft (1.9m), 14s period with S 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 Sunday (Sep 06) at 8AM. The primary swell is predicted to be 1.9m and 14s period with a secondary swell of 0.1m and 20s. Another secondary swell of 0.4m and 10s is also forecast. The wind is predicted to be cross-offshore 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 5AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Sunday (Sep 06) at 5PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Sun 6th Sep)6ft (1.9m) 14s
Best Surf 8AM (Sun 6th Sep)6ft (1.9m) 14s
Most Powerful 5AM (Mon 7th Sep)6.5ft (2.0m) 14s

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


The Lowdown

Alright, folks, Rusty here. Let’s break down what’s cookin’ for the next 16 days.

We’re lookin’ at a slow start, but the first real chance to get wet hits Saturday, September 6th, with some size. The real standout in this whole window is Trestles (Uppers). It’s a reef and point, super consistent, and open to the swell. Water temp is 74°, which is a full 7° warmer than usual for this time of year – that’s strange, so you’ll be in some warm water.

On Saturday morning, September 6th, we’ve got a clean 6ft SSW swell rollin’ in with a 14-second period, and a north wind holdin’ it cross-offshore. That’s gonna make for some proper, well-shaped lines. The combined energy is strong at 1432, so there’s plenty of juice. This is for advanced surfers – at 6ft with that long period, it’s a powerful wave, not for beginners. The swell direction (SSW) is a bit off the ideal (W), but it’ll still wrap in nicely. Crowds are always a problem here, so expect company.

Saturday afternoon sees a drop to 5ft from the S, still a 13-second period, but the wind goes light cross-shore from the NW, keepin’ it rideable. The energy is still moderate at 1263.

Sunday, September 7th, morning is a bit more exposed with a WNW cross-on breeze at 9 mph, makin’ the 6ft SSW swell a little choppy. The combined energy is moderate at 1228. Afternoon gets choppier with a moderate breeze, so not the best session.

The surf then fades. By Monday, September 8th, we’re down to 5ft and smaller, with weaker energy and a cross-onshore breeze. The rest of the week into the second week looks poor. There’s a spell of tiny, weak swell from the SW with very long periods (16-18 seconds) but barely any size – 2ft to 2ft. The energy is low (under 500), and the wind is mostly onshore or cross-onshore. Not worth paddlin’ out for.

We do see a little pulse on September 19th, with a 5ft W swell at an 8-second period, but it’s short-period windswell and the wind is cross-onshore. The energy is moderate at 759, but with the short period and poor wind, it’s not a standout. After that, it fades again into the 20th.

So, the call is clear: hit Trestles (Uppers) on Saturday morning, September 6th, for the best, cleanest, most powerful waves of the whole period. After that, it’s a long wait.

Rusty.

Short Range Forecast

Some drizzle, heaviest during Sun afternoon. Warm (max 29°C on Tue morning, min 23°C on Sun morning). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 29°C on Wed morning, min 22°C on Thu night). Wind will be generally light.

Sat
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
3
3
3
3
2
2
2
1
1
2
1
1
2
2
1
2
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
S
13
1.2
SSW
16
1.9
SSW
14
1.5
S
13
1.3
SSW
15
1.8
SSW
13
1.8
SSW
13
1.7
SSW
12
1.5
SSW
13
1.4
SSW
11
1.1
SSW
10
0.6
SW
16
0.7
SW
16
0.9
SW
17
1
SW
17
1
SW
16
1
SW
16
0.9
SW
16
0.9
SW
15
0.8
SW
15
Wave Graph
Metric surfscale
Energy kJ
806
673
1387
723
678
1144
1009
807
732
460
250
214
278
419
553
502
483
349
318
255
Wind (km/h)
15
WNW
10
NW
15
N
10
NW
10
NW
15
WNW
20
WNW
5
WNW
10
W
25
WNW
0
W
5
SW
10
WSW
5
S
10
SW
10
SSW
15
SE
15
S
15
SSE
15
SE
Wind State
cross-on
cross
cross-off
cross
cross
cross-on
cross
cross
cross-on
cross
glassy
on
on
cross-on
on
cross-on
cross
cross-on
cross-on
cross
High Tide
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
9:46AM1.66m
9:50PM1.71m
Low Tide
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
3:52PM0.16m
4:08AM0.08m
clear
part cloud
cloud
light rain
clear
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:28
6:28
6:28
6:30
6:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:09
7:08
7:07
7:06
7:05
7:04
7:01
 mm
1
Temp °C
26
24
24
27
25
28
27
25
29
28
26
29
29
26
27
27
24
24
24
21
Feels °C
24
23
23
28
26
28
25
24
28
25
25
29
29
27
28
28
25
24
23
21
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  • Live Wave Height (m)
  • 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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