Trestles (Lowers) Surf Break

Lat Long: 33.38° N 117.58° W

Trestles (Lowers) Surf Forecast and Surf Report

Issued: 10 am 02 Sep 2026 (local time)

Forecast update in  hr  min

Today's Trestles (Lowers) sea temperature is
24.6°C
4.8° 

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 2 Sep 2026:

  • Best quality surf: Friday 4 Sep, 11PM (local time) - 4ft (1.2m), 16s period, SSW swell with glassy winds.
  • Most powerful swell: Sunday 6 Sep, 2PM (local time) - 6.5ft (2.0m), 14s period, S swell with 1,576 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 2 Sep, 11PM (local time) - 3ft (0.9m), 12s period with SSW 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 Wednesday (Sep 02) at 11PM. The primary swell is predicted to be 0.9m and 12s period with a secondary swell of 0.6m and 16s. Another secondary swell of 0.8m and 5s 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 2.0m 14s and forecast to arrive on Sunday (Sep 06) at 2PM. Winds are predicted to be glassy at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)11PM (Wed 2nd Sep)3ft (0.9m) 12s
Best Surf11PM (Fri 4th Sep)4ft (1.2m) 16s
Most Powerful 2PM (Sun 6th Sep)6.5ft (2.0m) 14s

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


The Lowdown

Record: Trestles (Lowers)

Day 2, Wednesday: The ocean’s got a little pulse but it’s nothing to write home about. Early morning has a clean 2ft of SW swell with a 16-second period, which is proper groundswell – but it’s weak, with combined energy sitting at 271. Light SSW wind keeps it glassy, but honestly, it’s just too small to get excited. The water’s running 76°, which is a solid 9° warmer than normal for this time of year – that’s weirdly warm, even for here. Afternoon gets a touch more push at 2ft but the cross-onshore chop kills it. This is a day to sit on the beach, not fight it.

Day 3, Thursday: Still struggling. Morning has 2ft on it, but the 15 km/h SSW wind is onshore and it’s messy. The afternoon bumps to 3ft with a 18-second period, energy climbing to 478, but the WSW wind keeps it lumpy. Not worth paddling out for the scraps.

Day 4, Friday: Slight improvement but still marginal. Morning brings 3ft of SSW swell, period 17 seconds, energy up to 776. Light cross-onshore wind though – just enough to put a wrinkle on it. Afternoon pushes to 4ft with energy hitting 992, but the same cross-onshore breeze holds it back. If you’re desperate, you could get a few, but it’s not clean.

Day 5, Saturday: Now we’re getting somewhere. Cloudy skies, 4ft of S swell with a 14-second period, and morning wind drops to a whisper at 5 km/h – the ocean’s nearly glassy. Energy’s jumped to 1108, which is finally moderate. It’s still a bit weak, but the conditions are making it work. Afternoon holds 4ft with energy at 1136, but the breeze swings cross-onshore and roughens it up. Get out early.

Day 6, Sunday – The standout: This is the one. Sunday morning is firing. 6ft of SSW groundswell, 14 seconds, with a light NE offshore wind – that’s the kind of clean, groomed wave you dream about. The combined energy is storming at 1506, and the report says it’s excellent for experienced surfers. This is a big, powerful swell – over 5ft so it’s not for beginners, but if you know what you’re doing, you’re in for a treat. Lowers will be handling this beautifully, with lines wrapping through the reef. Afternoon drops to 7ft but the wind swings onshore and it gets lumpy. Don’t snooze on that morning session – it’s the best on offer in this whole stretch.

Day 7, Monday: Back down a notch. 6ft in the morning, but the W wind is cross-onshore and it’s not clean. Energy’s still solid at 1141, but the surface is bumpy. Afternoon drops to 5ft and gets choppier. There are waves, but they’re ugly.

Day 8, Tuesday: Fading and blown out. Morning has 5ft but the cross-onshore wind is on it. By the afternoon, the WNW wind bumps to 20 km/h and it’s just a mess – 5ft of lumpy, wind-blown stuff. Not your day.

Day 9, Wednesday: Swell’s backing off. Morning is 4ft with a shorter 11-second period and a light onshore wind – meh. The afternoon drops off a cliff to 2ft and gets battered by 20 km/h cross-onshore wind. Forget it.

Day 10, Thursday: Small and weak. 3ft of WSW swell, but the wind is on. Energy’s falling to 587. Not worth the effort.

Day 11, Friday: Still struggling. 3ft, onshore wind, energy down to 514. It’s flat-ish and junky.

Day 12, Saturday – Day 17, Thursday: The long-range window is grim. Swell keeps dropping from 3ft down to 1ft. There’s a brief pulse on Day 17 (September 17th) where the period jumps to 24 seconds – that’s some long-period energy – and the swell bumps to 3ft with energy at 741. But it’s cross-onshore and the size is pitiful. You’re looking at a solid gap from around Day 9 through Day 17 with almost nothing rideable. This is a real drought.

Overall, Sunday morning is your absolute window. Don’t expect anything else to come close. The rest is a waiting game.

Rusty

Short Range Forecast

Mostly dry. Warm (max 23°C on Fri afternoon, min 19°C on Wed morning). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 2mm), mostly falling on Sun morning. Warm (max 26°C on Mon afternoon, min 21°C on Sun morning). Wind will be generally light.

Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
3
0
0
3
1
1
4
3
3
4
4
3
4
2
0
3
1
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
SW
16
0.6
SSW
16
0.7
SW
17
0.6
SW
15
0.8
SSW
18
1
SSW
18
1
SSW
17
1.2
SSW
16
1.1
SSW
16
1.2
S
14
1.3
S
14
1.6
S
14
1.9
SSW
14
2
S
14
1.5
S
13
1.7
SSW
13
1.6
SSW
13
1.4
SSW
12
1.6
SSW
13
1.5
SSW
13
1.4
SSW
11
Wave Graph
Metric surfscale
Energy kJ
132
175
291
188
399
651
587
717
620
573
607
999
1491
1487
724
1074
847
488
778
710
504
Wind (km/h)
10
SSW
15
W
0
W
15
SSW
15
WSW
5
SE
10
SSW
15
W
5
N
5
WSW
10
WSW
0
N
10
NE
5
W
10
NNW
10
W
15
W
5
WNW
10
W
20
WNW
5
WNW
Wind State
on
cross-on
glassy
on
on
glassy
cross-on
cross-on
glassy
on
cross-on
glassy
off
cross-on
cross-off
cross-on
cross-on
glassy
cross-on
cross-on
cross-on
High Tide
12:34PM1.62m
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
clear
part cloud
part cloud
part cloud
light rain
part cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
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>
7:14
7:13
7:12
7:09
7:08
7:07
7:06
 mm
2
Temp °C
22
22
21
22
22
20
22
23
21
24
24
22
21
24
23
25
26
23
25
25
22
Feels °C
22
21
20
21
20
21
21
23
21
25
24
23
21
26
22
24
24
22
24
23
21
  • Map Icons:
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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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