Trestles (Uppers) Surf Break

Lat Long: 33.38° N 117.59° W

Trestles (Uppers) Surf Forecast and Surf Report

Issued: 10 pm 12 Jul 2026 (local time)

Forecast update in  hr  min

Today's Trestles (Uppers) sea temperature is
20.7° C
1.7° 

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 13 Jul 2026:

  • Best quality surf: Sunday 19 Jul, 8AM (local time) - 4ft (1.2m), 12s period, S swell with glassy winds.
  • Most powerful swell: Monday 20 Jul, 2AM (local time) - 4.5ft (1.4m), 12s period, SSW swell with 522 kJ wave energy.
  • Next surfable swell (1★+): Monday 13 Jul, 5AM (local time) - 3ft (0.9m), 13s period with SSW 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 13) at 5AM. The primary swell is predicted to be 0.9m and 13s period with a secondary swell of 0.3m and 16s. 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 1.4m 12s and forecast to arrive on Monday (Jul 20) at 2AM. Winds are predicted to be glassy at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Mon 13th Jul)3ft (0.9m) 13s
Best Surf 8AM (Sun 19th Jul)4ft (1.2m) 12s
Most Powerful 2AM (Mon 20th Jul)4.5ft (1.4m) 12s

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


Alright folks, Rusty here. Let’s take a look at the next stretch of days for Trestles (Uppers). It’s a reef and point setup, very consistent, and it’s exposed to the west swell. The water temp is about average for this time of year, nothing out of the ordinary.

Right off the bat, we’ve got a dry spell ahead. The first few days from Monday the 13th through to around Wednesday the 15th offer nothing worth paddling out for. The combination of small swell and onshore winds just isn't there. We’re looking at a blank run of about three days with no real surf on offer.

It’s not until Saturday the 18th that we start to see a flicker of life, but it’s still marginal. The combined swell energy is creeping up, reaching 531 on Saturday morning, but it’s a cross-onshore wind and the conditions are just not clean. That theme holds through Sunday the 19th and into Monday the 20th. The swell is there, but the wind is a buzzkill, keeping things choppy and messy.

Now, if you’re patient, the first real standout window appears on Wednesday the 22nd. On Wednesday afternoon, the wind flips to a light onshore from the SW at only 3 mph, almost glassy. The swell pushes up to 4 ft from the S with a period of 15 seconds – that’s a solid groundswell. The combined energy jumps to 1021, a moderate pulse. It’s still “marginal” in the files, but this is the best we’ll see for a while. The conditions could be clean enough for a few fun ones.

The next day, Thursday the 23rd, sees the swell peak at 6 ft from the S, but the period drops to 14 seconds. That size is getting into the “too big for beginners” territory, but it’s not a beast. The combined energy hits 1145, which is a solid moderate pulse. The wind is onshore/light in the morning, with a WSW breeze at 6 mph. It’s not ideal, but it’s the biggest swell of the run. Expect some lumpy, powerful waves.

After that, Friday the 24th and Saturday the 25th still have energy around 5 ft to 5 ft from the S/SSW, but the wind continues to be a cross-onshore factor. The period drops to 12-13 seconds, so it’s shorter period, more wind-affected surf. The best wave quality might be early morning when the wind is lightest.

The tail end of the 16-day window, from Sunday the 26th into Tuesday the 28th, sees the swell drop back down to the 2 ft to 3 ft range. The period is long again, 16-19 seconds, but the swell is just too small to make much of it, especially with cross-onshore winds. It’s going to be a quiet finish.

So, to boil it down: the standout days are Wednesday the 22nd afternoon for the cleanest conditions, and Thursday the 23rd for the biggest, most powerful swell. Both are worth a look if you’re keen. The rest is a bit of a wait.

Rusty out.

Short Range Forecast

Mostly dry. Warm (max 27°C on Wed afternoon, min 20°C on Sun night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 26°C on Thu morning, min 20°C on Thu night). Wind will be generally light.

Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sun
19
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
1
0
0
1
0
0
1
1
0
1
0
0
0
0
0
0
1
0
2
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SSW
14
0.9
SSW
13
0.7
S
13
0.8
SSW
14
0.6
SSW
12
0.4
SW
18
0.6
SW
18
0.4
SW
18
0.4
SW
16
0.6
SW
16
1
W
7
0.5
SW
16
0.4
SW
19
0.5
SW
19
0.4
SW
18
0.6
SW
15
0.8
SW
18
0.6
SW
18
0.9
S
11
0.9
SW
16
0.9
SW
17
Wave Graph
Metric surfscale
Energy kJ
269
312
176
217
119
111
194
108
95
161
103
121
126
181
83
136
366
255
184
395
419
Wind (km/h)
5
WSW
15
WSW
10
W
5
W
15
W
15
WNW
5
S
10
WSW
10
W
10
SSE
15
S
15
S
15
SSE
20
S
15
SSE
10
SE
15
SSW
10
SSW
5
SSE
15
W
10
WSW
Wind State
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross
cross-on
cross-on
cross
cross-on
cross-on
cross
on
cross-on
glassy
cross-on
cross-on
High Tide
9:44AM1.17m
8:43PM2.11m
10:25AM1.23m
9:32PM2.10m
11:06AM1.29m
10:19PM2.02m
11:47AM1.34m
11:06PM1.86m
12:29PM1.38m
11:54PM1.64m
1:12PM1.41m
00:44AM1.39m
1:58PM1.43m
Low Tide
3:23AM-0.44m
2:28PM0.60m
4:07AM-0.47m
3:20PM0.54m
4:49AM-0.44m
4:12PM0.50m
5:29AM-0.35m
5:04PM0.49m
6:07AM-0.21m
5:59PM0.50m
6:44AM-0.03m
7:01PM0.53m
7:19AM0.16m
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:50
5:50
5:52
5:52
5:52
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:00
8:00
8:00
8:00
8:00
7:59
7:59
7:58
 mm
Temp °C
21
23
23
21
24
25
23
26
27
24
26
25
21
23
22
22
24
23
21
23
24
Feels °C
23
23
24
22
23
24
23
27
27
25
26
24
20
23
22
23
24
23
22
23
24
  • 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 (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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