Trestles (Uppers) Surf Break

Lat Long: 33.38° N 117.59° W

Trestles (Uppers) Surf Forecast and Surf Report

Issued: 10 am 10 Jul 2026 (local time)

Forecast update in  hr  min

Today's Trestles (Uppers) sea temperature is
19.6° C
0.7° 

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 10 Jul 2026:

  • Best quality surf: Saturday 11 Jul, 2AM (local time) - 3.5ft (1.0m), 15s period, SSW swell with glassy winds.
  • Most powerful swell: Saturday 11 Jul, 11AM (local time) - 3.5ft (1.0m), 15s period, SSW swell with 417 kJ wave energy.
  • Next surfable swell (1★+): Saturday 11 Jul, 2AM (local time) - 3.5ft (1.0m), 15s 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 Saturday (Jul 11) at 2AM. The primary swell is predicted to be 1.0m and 15s period with a secondary swell of 0.4m and 10s. 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 1.0m 15s and forecast to arrive on Saturday (Jul 11) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Sat 11th Jul)3.5ft (1.0m) 15s
Best Surf 2AM (Sat 11th Jul)3.5ft (1.0m) 15s
Most Powerful11AM (Sat 11th Jul)3.5ft (1.0m) 15s

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


Alright folks, Rusty here. Let’s get real about what we’ve got coming down the line for the next couple of weeks.

Right off the bat, I gotta say, it’s a bit of a slow grind for a while. The start of the period is looking pretty average. Trestles (Uppers) is our only option on the menu, and for the first week and a half, it’s just not happening. The swell is tiny, mostly between 1 ft and 3 ft, with a long 15 to 18 second period from the SSW and SW. The problem is the wind is cross-onshore or onshore, making it choppy and messy. The water temp is sitting at 67°, which is pretty much average for this time of year, no surprise there. The combined energy is generally weak, bouncing around a few hundred – nothing to write home about. We’re looking at a lot of days where the score is a zero or a one, with comments like "poor surf conditions" or "marginal surf forecast." Honestly, from Friday the 10th right through to about Tuesday the 21st, it’s a long patch of flatness. You’d be hard-pressed to find a decent wave.

Now, there’s a little flicker of hope around Monday the 20th and Tuesday the 21st. The swell is still small, around 3 ft from the SSW with a 15-16 second period, but the wind is looking like it might go offshore or very light. The combined energy climbs a bit, hitting 740 on Monday afternoon. The scores only hit a 2, but with offshore wind, that tiny swell might clean up and offer a few little runners. It’s not a standout by any stretch, just the best of a bad bunch.

But here’s where it gets interesting. The real talking point, the one to circle on your calendar, is Saturday the 25th. We see a solid increase in swell size and energy. Saturday morning, the swell jumps to 4 ft from the S with a 16-second period, and the combined energy rockets up to 946 – that’s moderate to strong wave energy. The wind is looking light and offshore from the WSW, which means clean, lined-up waves. By the afternoon, the swell is up to 7 ft from the S with a 15-second period, and the energy is at a whopping 1993. That is a serious bump in energy. This is a strong groundswell, and with an offshore wind, Trestles (Uppers) could be cooking. That size is getting into expert territory, especially for the afternoon. The crowd factor is "always" at Uppers, so expect a full house, but when it’s this good, it’s worth the paddle. This is the one to aim for, but remember, it’s over a week out, so keep an eye on it.

So, the story is: a long, flat start, a tiny mid-period window that’s just okay, and then a potential standout at the very end on Saturday the 25th. Hang in there, get your gear ready for that final weekend.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 23°C on Sun afternoon, min 18°C on Fri night). Wind will be generally light.

Days 4-6 Weather Summary

Some drizzle, heaviest during Mon morning. Warm (max 26°C on Wed afternoon, min 21°C on Mon morning). Wind will be generally light.

Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
2
0
1
2
1
1
2
1
1
2
0
0
1
1
1
1
0
0
1
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
SSW
15
1
SSW
15
1
SSW
15
1
SSW
15
0.9
SSW
15
0.9
SSW
14
0.9
SSW
14
0.9
SSW
14
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
8
0.5
SW
16
0.4
SW
19
Wave Graph
Metric surfscale
Energy kJ
362
411
405
417
331
281
366
289
269
312
176
217
119
111
194
108
95
161
110
121
126
Wind (km/h)
15
SSW
10
SSW
5
SSE
15
S
10
WSW
5
SE
10
SSW
10
WSW
0
SSW
10
WSW
10
W
5
SW
15
WSW
15
W
5
S
10
SSW
10
WSW
10
SSE
15
SSW
15
S
10
S
Wind State
cross-on
on
glassy
cross-on
on
glassy
cross-on
on
glassy
on
cross-on
glassy
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
High Tide
6:07PM1.82m
8:12AM1.02m
7:01PM1.95m
9:01AM1.10m
7:53PM2.06m
9:44AM1.17m
8:43PM2.11m
10:25AM1.23m
9:32PM2.10m
11:06AM1.29m
10:19PM2.02m
11:47AM1.34m
11:06PM1.86m
Low Tide
11:25AM0.69m
1:49AM-0.16m
12:32PM0.69m
2:38AM-0.33m
1:33PM0.66m
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
clear
clear
clear
part cloud
cloud
clear
part cloud
clear
clear
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
5:48
5:48
5:50
5:50
5:50
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:01
8:01
8:00
8:00
8:00
8:00
8:00
 mm
1
Temp °C
21
21
18
22
21
20
21
23
21
23
24
22
25
25
22
25
26
23
25
24
22
Feels °C
21
21
19
22
21
22
22
23
22
24
24
22
25
24
23
26
26
23
25
24
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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