Trestles (Lowers) Surf Break

Lat Long: 33.38° N 117.58° W

Trestles (Lowers) Surf Forecast and Surf Report

Issued: 10 pm 24 Jul 2026 (local time)

Forecast update in  hr  min

Today's Trestles (Lowers) sea temperature is
21.7° C
2.4° 

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 25 Jul 2026:

  • Best quality surf: Saturday 25 Jul, 5AM (local time) - 3.5ft (1.0m), 21s period, SW swell with glassy winds.
  • Most powerful swell: Friday 31 Jul, 11AM (local time) - 6ft (1.9m), 14s period, S swell with 1,504 kJ wave energy.
  • Next surfable swell (1★+): Saturday 25 Jul, 5AM (local time) - 3.5ft (1.0m), 21s period with SW 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 Saturday (Jul 25) at 5AM. The primary swell is predicted to be 1.0m and 21s period with a secondary swell of 0.7m and 12s. 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 1.9m 14s and forecast to arrive on Friday (Jul 31) at 11AM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Sat 25th Jul)3.5ft (1.0m) 21s
Best Surf 5AM (Sat 25th Jul)3.5ft (1.0m) 21s
Most Powerful11AM (Fri 31st Jul)6ft (1.9m) 14s

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


The Lowdown

Alright, let’s get straight into it, folks. Rusty here.

Alright, we’re looking at a bit of a mixed bag for Trestles (Lowers) over the next couple of weeks. It’s not a total washout, but you’re gonna have to pick your moments. The first week has some rideable stuff, but the second week drops right off.

Right out of the gate, Saturday the 25th of July, we’ve got some clean, small waves. The swell is coming from the SSW at 3 feet, and it’s a long-period groundswell at 21 seconds. That’s a proper long roller, but it can be a bit tricky at a beach and reef setup like this – it might break a little too straight. The wind is onshore and light at 6 mph, so it’s a bit bumpy. The combined energy is moderate (911). Not a standout, but it’s a start.

Moving into Sunday the 26th and Monday the 27th, the swell picks up a touch to 4-4 feet, still from the SSW and SW. The period drops from 19 seconds down to 18 seconds, still a nice groundswell. The wind is still light and onshore or cross-onshore, so the surface is not perfect. The energy is moderate (926 and 1149). It’s surfable, but nothing to get the heart racing.

Tuesday the 28th sees a slight increase, with the swell hitting 4-5 feet from the SSW. The wind swings to a cross-onshore at 9 mph, which will make it a bit choppy. The energy is moderate (1097-1176). This is still a marginal session.

The highlight of the whole run looks like Thursday the 30th of July into Friday the 31st. On Thursday afternoon, the swell jumps to 6 feet from the S, with a period of 14 seconds. The wind is light and onshore at 6 mph. The combined energy is moderate to strong (1234). Then Friday morning and afternoon, the swell peaks at 6 feet from the S, still with a 14-second period. The wind stays light onshore. The energy is strong (1504 and 1446). That’s the biggest swell of the forecast. For reference, 6 feet is getting a bit meaty for beginners, but it’s a solid size for intermediate and advanced surfers. The light onshore wind will keep the surface a bit lumpy, but the energy is there. That’s the best on offer, right there.

After that, it’s a slow slide into nothing. Saturday the 1st of August drops to 5 feet, and the period shortens to 12-13 seconds. Still light wind, but the energy is dropping fast (907 to 635).

Then from Sunday the 2nd of August all the way through to Sunday the 9th of August, we’ve got a proper blank run. The swell drops to 2 feet to 3 feet, with most days being “poor surf conditions” and a score of zero. The wind is either light onshore or a gentle cross-onshore breeze. The energy is weak (mostly under 400). There’s a 9-day gap here with no real surf to recommend. It’s a dead period. For a spot like Trestles, which is very consistent, this is a rough spell.

So, to wrap it up: your best bet is Friday the 31st of July for the biggest swell. It’s not perfect, but it’s the most juice you’ll see. The rest of the first week is marginal, and the second week is a total loss. Keep an eye on the forecasts, though – it tends not to stay this flat for long.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 25°C on Sat afternoon, min 20°C on Fri night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 24°C on Tue morning, min 20°C on Wed night). Wind will be generally light.

Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
2
1
4
1
2
2
2
2
2
2
2
2
1
1
2
2
3
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SW
21
0.9
SSW
21
0.9
SW
21
1.2
SW
19
1.1
SW
19
1.1
SW
18
1.1
SW
18
1.3
SSW
18
1.2
SSW
18
1.2
SSW
17
1.3
SSW
17
1.4
SSW
17
1.3
SSW
16
1.1
SSW
16
1.2
SSW
16
1.2
SSW
16
1.2
S
15
1.7
S
14
1.8
S
14
Wave Graph
Metric surfscale
Energy kJ
664
799
640
1100
863
743
719
1056
893
771
998
1094
818
612
724
671
674
1208
1196
Wind (km/h)
5
S
10
SW
10
SW
5
WNW
10
SSW
10
WSW
10
SSE
10
SSW
10
SW
10
SSE
15
S
15
S
10
SE
15
S
15
SSW
5
SE
10
SW
10
SW
5
SSE
Wind State
cross-on
on
on
glassy
cross-on
on
cross-on
on
on
cross
cross-on
cross-on
cross
cross-on
cross-on
cross
on
on
glassy
High Tide
8:48AM1.02m
7:09PM1.64m
9:12AM1.07m
7:47PM1.70m
9:35AM1.11m
8:23PM1.76m
9:59AM1.15m
8:55PM1.80m
10:24AM1.19m
9:27PM1.80m
10:49AM1.24m
9:59PM1.76m
Low Tide
2:10AM0.05m
12:47PM0.83m
2:43AM-0.03m
1:32PM0.78m
3:13AM-0.08m
2:10PM0.72m
3:42AM-0.12m
2:46PM0.66m
4:09AM-0.14m
3:21PM0.61m
4:36AM-0.13m
3:58PM0.58m
clear
clear
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:58
5:58
6:00
6:00
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:54
7:53
7:53
7:52
7:52
7:51
 mm
Temp °C
21
24
25
23
25
25
22
25
25
22
24
24
21
24
24
21
24
24
22
Feels °C
23
26
26
25
26
26
24
26
26
24
24
24
22
24
24
22
25
24
24
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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 (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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