Trestles (Uppers) Surf Break

Lat Long: 33.38° N 117.59° W

Trestles (Uppers) Surf Forecast and Surf Report

Issued: 10 am 27 Jul 2026 (local time)

Forecast update in  hr  min

Today's Trestles (Uppers) sea temperature is
21.9° C
2.6° 

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 27 Jul 2026:

  • Best quality surf: Thursday 30 Jul, 2AM (local time) - 4ft (1.2m), 14s period, S swell with glassy winds.
  • Most powerful swell: Friday 31 Jul, 5AM (local time) - 6ft (1.8m), 14s period, S swell with 1,317 kJ wave energy.
  • Next surfable swell (1★+): Monday 27 Jul, 8PM (local time) - 3.5ft (1.1m), 16s period with SW 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 Monday (Jul 27) at 8PM. The primary swell is predicted to be 1.1m and 16s period with a secondary swell of 0.6m and 7s. 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 1.8m 14s and forecast to arrive on Friday (Jul 31) at 5AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 14s period and expected on Wednesday (Jul 29) at 2PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Mon 27th Jul)3.5ft (1.1m) 16s
Best Surf 2AM (Thu 30th Jul)4ft (1.2m) 14s
Most Powerful 5AM (Fri 31st Jul)6ft (1.8m) 14s

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


The Lowdown

Alright folks, Rusty here. Let’s have a look at what’s in store for Trestles (Uppers) over the next couple of weeks.

Right off the bat, we’ve got a solid, long-period groundswell rolling in to start the week. Monday morning, July 27th, is looking like the pick of the entire forecast. We’re sitting on a clean 4ft swell from the SSW, with a very long 18-second period pushing a ton of energy into the water (1118). That’s proper groundswell. The wind is a light southwesterly, which is onshore, but it’s light enough that it’s not wrecking the shape. The water is sitting at 71°, which is much warmer than normal for this time of year, almost three degrees above average, so it’s a real treat. This is a break that’s very consistent, and with a northeast offshore being the ideal, a light onshore breeze isn’t the end of the world. This is the standout. The swell direction is a little off the optimum, but the sheer quality of the long-period energy makes it worth it. The access is easy, but crowds are always a factor here, so expect company.

The energy drops a touch into Monday afternoon, still decent, but the wind stays on. Tuesday the 28th sees a little more wind, a southerly at 9 mph creating a cross-on chop, making the 4ft swell a bit messier. It’s still surfable, but the quality takes a hit.

By Wednesday the 29th, the swell drops to 3ft and the period shortens up. The cross-onshore wind is light, but there’s a little wind ripple on the surface. It’s small and junky. Thursday the 30th sees a slight bump in size to 5ft, but the period is down to 14 seconds, and the wind is still onshore. The energy is still moderate (1052), but it’s not the same clean package as Monday.

Friday the 31st is similar, with a 5ft swell from the south, but the period is dropping to 13 seconds and the cross-onshore wind is back. It’s a bit of a mushburger. Saturday the 1st of August is a repeat of small, onshore, fading swell.

Then we hit a real lull. From Sunday the 2nd of August all the way through to Wednesday the 5th of August, the swell is tiny, only 1ft to 2ft, with the wind still cross-onshore or onshore. The energy is weak, in the 100-200 range. It’s a blank run. The conditions are poor and there’s just nothing to get excited about. The forecasts can change, but for now, it’s a dry spell.

The surf tries to creep back around Thursday the 6th of August, but it’s a weird one. The swell is only 1ft, but the period is a massive 21 seconds. That’s incredibly long, but there’s no size to push it. The energy is still low (291). It’s a tease.

Friday the 7th and Saturday the 8th of August show a slight increase to 2ft and 3ft, with periods dropping back to 17-18 seconds. The wind is light and onshore, so it’s clean but weak. The energy is still only moderate (around 500). It’s marginal.

The following week, from the 9th of August onward, the pattern is more of the same: small, weak swell, with the wind mostly onshore or cross-onshore. There’s a spike of very long-period energy (20 seconds) on the 10th of August, but again, the swell height is only 2ft so it’s just a bump on the surface. Nothing to make a plan for.

So, to wrap it up: Monday morning, July 27th, is your day. Get on it if you can. After that, the window closes up fast and the waiting game begins.

Rusty.

Short Range Forecast

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

Days 4-6 Weather Summary

Mostly dry. Warm (max 26°C on Fri afternoon, min 22°C on Thu morning). Wind will be generally light.

Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
31
Saturday
1
Sunday
2
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
2
2
1
2
1
2
4
2
2
4
2
1
3
2
2
2
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
SSW
18
1.2
SSW
19
1.2
SSW
17
1.3
SSW
17
1.2
SSW
17
1.2
SSW
16
1
SSW
16
1.3
SSW
16
1.2
S
14
1.5
S
14
1.1
SSW
15
1.7
S
14
1.7
S
13
1.6
S
13
1.6
SSW
13
1.5
SSW
12
1.3
SSW
12
0.9
SSW
11
0.7
SSW
10
0.5
S
12
0.5
SW
13
Wave Graph
Metric surfscale
Energy kJ
1056
923
780
921
735
761
519
803
537
831
558
1179
1032
905
799
666
467
161
88
75
83
Wind (km/h)
10
SW
10
WSW
5
SE
15
S
10
SSW
10
SSE
15
S
10
SW
5
SSE
10
WSW
10
WSW
0
SSW
10
WSW
15
W
5
WNW
10
SW
10
WSW
5
SSE
15
SSW
15
SSW
10
SSE
Wind State
on
on
cross
cross-on
on
cross
cross-on
on
glassy
on
cross-on
glassy
cross-on
cross-on
glassy
on
cross-on
glassy
cross-on
cross-on
cross
High Tide
9:35AM1.11m
8:23PM1.76m
9:59AM1.15m
8:55PM1.80m
10:24AM1.19m
9:27PM1.80m
10:49AM1.24m
9:59PM1.76m
11:17AM1.29m
10:31PM1.68m
11:45AM1.34m
11:06PM1.55m
12:14PM1.39m
11:46PM1.37m
Low Tide
2:10PM0.72m
3:42AM-0.12m
2:46PM0.66m
4:09AM-0.14m
3:21PM0.61m
4:36AM-0.13m
3:58PM0.58m
5:03AM-0.09m
4:35PM0.55m
5:29AM-0.02m
5:17PM0.54m
5:54AM0.09m
6:05PM0.53m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
6:00
6:00
6:01
6:01
6:01
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:53
7:52
7:52
7:51
7:51
7:50
7:49
 mm
Temp °C
24
25
22
24
24
21
24
24
21
25
25
22
25
26
24
26
26
24
26
25
22
Feels °C
26
26
25
24
24
22
24
24
22
25
25
24
26
26
25
27
26
26
27
25
23
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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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