San Onofre - Trails surfForecast / CAL – Orange County / USA

information circle12 Day Weather and Surf, issued 9 pm Friday 12 Dec 2025 PST
Forecast update in hr  min  s Forecast update imminent
San Onofre - Trails surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's San Onofre - Trails sea temperature is
16.9° C
(Which is 1.4°C warmer than normal for this time of year)


Best Forecast Surf Conditions for San Onofre - Trails this week:

The surf forecast for San Onofre - Trails over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Dec 13) at 1AM. The primary swell is predicted to be 0.4m and 14s period with a secondary swell of 0.4m and 12s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at San Onofre - Trails in the next 12 days are 1.4m 8s and forecast to arrive on Thursday (Dec 18) at 1AM. Winds are predicted to be glassy at the time the swell arrives.

Wave TypeTime (PST) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Sat 13th Dec)1.5ft (0.4m) 14s
Best Surf10AM (Wed 17th Dec)3ft (0.9m) 9s
Most Powerful 1AM (Thu 18th Dec)4.5ft (1.4m) 8s

Table - best surf conditions forecast for San Onofre - Trails over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 22°C on Mon morning, min 16°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 22°C on Tue morning, min 17°C on Thu afternoon). Wind will be generally light.

Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Fri
19
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
1
1
0
0
0
0
0
1
0
1
1
1
1
2
1
2
2
1
2
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.4
WNW
0.4
SW
0.3
SW
0.3
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.3
SW
0.4
SW
0.4
SSW
0.9
W
0.9
W
1.4
W
1.2
W
1.2
W
0.9
W
1
W
0.9
W
Period(s) (?)1416161515151413131612151599889999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)70664134757549624466256084119122279196241123148123
Wind
(km/h)
0
SSE
5
WNW
10
WNW
5
NNW
10
WNW
10
WNW
10
NW
0
WNW
10
WNW
5
E
0
S
5
W
5
SSE
5
W
10
W
5
SE
0
NW
10
W
5
ESE
5
S
5
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglassoncross-
on
oncross-
on
cross-
on
glassonglassglassglassglassglassonglassglassoncross-
off
crosscross-
on
High Tide
/ height (m)
4:32AM
1.46
4:53PM
0.99
5:06AM
1.54
6:01PM
0.98
5:37AM
1.61
6:57PM
0.99
6:06AM
1.67
7:42PM
1.01
6:36AM
1.71
8:21PM
1.03
7:06AM
1.74
8:57PM
1.04
7:37AM
1.76
Low Tide
/ height (m)
11:28AM
0.41
10:25PM
0.47
12:17PM
0.24
11:03PM
0.56
12:55PM
0.09
11:39PM
0.63
1:30PM
-0.02
12:12AM
0.67
2:02PM
-0.10
12:46AM
0.69
2:34PM
-0.16
1:20AM
0.71
3:07PM
-0.18
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Fri
19
Sunrise-6:45--6:45--6:46--6:47--6:47--6:48--6:48-
Sunset--4:43--4:43--4:44--4:44--4:44--4:45--4:45
clear
clear
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
Rain (mm)
---------------------
Temp. °C171919182019192221212221202120191918171817
Feels °C (?)181918181917182018192019181918181818171717
  • Map Icons:
  • Break
  • 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 San Onofre - Trails Surf forecast

The above surf forecast table for San Onofre - Trails provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at San Onofre - Trails can be found by selecting the local surf guide option on the grey menu. Our San Onofre - Trails 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 (San Onofre - Trails) 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 San Onofre - Trails 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.

San Onofre - Trails is 9 km (6 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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