Trestles (Lowers) Surf Break

Lat Long: 33.38° N 117.58° W

Trestles (Lowers) Surf Forecast and Surf Report

Issued: 10 am 05 Sep 2026 (local time)

Forecast update in  hr  min

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

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


Trestles (Lowers) surf forecast from 6 Sep 2026:

  • Best quality surf: Sunday 6 Sep, 11AM (local time) - 6ft (1.8m), 14s period, S swell with offshore winds.
  • Most powerful swell: Monday 7 Sep, 5AM (local time) - 6ft (1.9m), 14s period, SSW swell with 1,419 kJ wave energy.
  • Next surfable swell (1★+): Sunday 6 Sep, 11AM (local time) - 6ft (1.8m), 14s period with S 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 Sunday (Sep 06) at 11AM. The primary swell is predicted to be 1.8m and 14s period with a secondary swell of 0.4m and 10s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Trestles (Lowers) in the next 16 days are 1.9m 14s and forecast to arrive on Monday (Sep 07) at 5AM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)11AM (Sun 6th Sep)6ft (1.8m) 14s
Best Surf11AM (Sun 6th Sep)6ft (1.8m) 14s
Most Powerful 5AM (Mon 7th Sep)6ft (1.9m) 14s

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


The Lowdown

Alright folks, Rusty here. Let’s have a look at what’s coming up for Trestles (Lowers). This is a classic setup, beach and reef, very consistent, and it always draws a crowd. We’ve got a solid run of swell early on, but then we hit a long dry spell.

The action kicks off this Saturday morning, September 5th. The water is sitting at a toasty 74°, which is much warmer than normal for this time of year, so ditch the wetsuit if you've got the hide for it. The swell is a long-period groundswell from the SSW at 3ft, with a period of 16 seconds. That 16-second period is a beautiful thing – it means real energy, good shape, and those long lulls between sets. The combined energy is strong at 1040. The wind is light and cross-onshore though, so it's a bit rippled, and the overall call is marginal. Not the best start.

Now, Sunday morning, September 6th, is where you want to be. We’ve got a solid 6ft of S swell pushing in at 14 seconds, with the combined energy climbing to 1272. The wind is offshore from the NNE at 15 km/h, and that makes all the difference. The surf is clean, the lines will be holding up, and the model is calling it excellent for experienced surfers. This is your standout. Expect a crowd, because it’s always busy here, but for a good reason. The swell direction is a touch south of the optimum SW, but with that offshore wind, it’s going to be a hell of a session. Sunday afternoon stays clean too, with a 5ft S swell and light NNW cross-offshore breeze.

Monday the 7th gets messy. The swell bumps up to 6ft from the SSW, but the wind swings around to a moderate WNW cross-shore, chopping it up. That’s kite-surfing territory, not paddle surfing. The rest of the week and into the next just fades out. By Tuesday the 8th, the swell is already dropping, and the wind is on it. From Wednesday the 9th all the way through to Sunday, September 20th, the surf is small, weak, and mostly blown out. The period hangs around, but the height drops below 3ft, and the energy dips into the 200-500 range. There are days with clean, onshore winds, but the swell is just too small to get excited about.

So, the story is simple: if you can get out Sunday morning, September 6th, you’re golden. After that, it’s a long, flat gap for nearly two weeks. The models show a tiny pulse trying to pop up around the 20th, but it’s still marginal. Keep your eyes on the forecast, but for now, make that Sunday session count.

Rusty.

Short Range Forecast

Light rain (total 4mm), mostly falling on Sun morning. Warm (max 27°C on Mon morning, min 21°C on Sat morning). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 30°C on Wed afternoon, min 23°C on Thu night). Wind will be generally light.

Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
2
3
4
4
3
2
2
3
1
1
2
1
2
2
2
2
2
0
1
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
SSW
16
1.1
SW
16
1.7
S
14
1.8
S
14
1.5
S
13
1.4
S
12
1.9
SSW
13
1.8
SSW
13
1.7
SSW
12
1.5
SSW
13
1.4
SSW
13
1.2
SSW
11
1
SSW
10
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
0.9
SW
15
Wave Graph
Metric surfscale
Energy kJ
512
628
1094
1225
737
584
1174
993
820
781
659
340
214
278
419
553
502
483
400
318
309
Wind (km/h)
5
WSW
15
W
10
NW
15
NNE
10
NNW
10
NW
15
WNW
20
WNW
5
WNW
15
W
25
WNW
0
SE
10
WSW
10
SW
10
SSE
10
SSW
10
SSW
10
SSE
15
S
10
SSW
10
SSE
Wind State
cross-on
cross-on
cross
off
cross-off
cross
cross-on
cross
glassy
cross-on
cross
glassy
cross-on
on
cross
on
on
cross-on
cross-on
cross-on
cross-on
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
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
2:28PM0.34m
3:11AM-0.15m
3:10PM0.23m
3:40AM-0.05m
3:52PM0.16m
4:08AM0.08m
clear
clear
part cloud
light rain
cloud
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
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
7:02
7:01
 mm
4
Temp °C
24
25
24
22
26
25
27
26
25
27
28
27
29
30
26
27
27
25
26
25
23
Feels °C
24
24
23
22
27
25
27
24
23
25
25
28
28
29
27
27
28
26
27
25
24
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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 (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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