Renaca Surf Break

Lat Long: 32.93° S 71.56° W

Renaca Surf Forecast and Surf Report

Issued: 7 am 24 Aug 2026 (local time)

Forecast update in  hr  min

Today's Renaca sea temperature is
13.7°C
0.6° 

Renaca surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Renaca surf forecast from 24 Aug 2026:

  • Best quality surf: Thursday 27 Aug, 8AM (local time) - 11ft (3.5m), 16s period, WSW swell with glassy winds.
  • Most powerful swell: Thursday 27 Aug, 11AM (local time) - 11ft (3.5m), 15s period, WSW swell with 5,855 kJ wave energy.
  • Next surfable swell (1★+): Monday 24 Aug, 11PM (local time) - 2.5ft (0.7m), 11s period with WSW swell.

Best Forecast Surf Conditions for Renaca this week:

The surf forecast for Renaca over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 24) at 11PM. The primary swell is predicted to be 0.7m and 11s period with a secondary swell of 0.6m and 12s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Renaca in the next 16 days are 3.5m 15s and forecast to arrive on Thursday (Aug 27) at 11AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Tuesday (Aug 25) at 11PM.

Wave TypeTime (-04) & Date Wave Height & Period
Next good surf (1 star+)11PM (Mon 24th Aug)2.5ft (0.7m) 11s
Best Surf 8AM (Thu 27th Aug)11ft (3.5m) 16s
Most Powerful11AM (Thu 27th Aug)11ft (3.5m) 15s

Table - best surf conditions forecast for Renaca over the next 16 days.


The Lowdown

Alright, grab your wetsuit, we’re looking at a mixed bag here for Renaca. The next couple of days are a slow warm-up, but there’s a serious pulse of energy coming down the line for the end of the week. The water temp is sitting around 57°F, which is about average for this time of year, so nothing too shocking there.

Monday (24th) is a bit of a tease. Morning has some surfable but very ordinary conditions with a small 2ft SSW swell and a solid 13-second period, but the wind is light and offshore from the NNE, keeping things clean. The combined energy is weak at 144. By afternoon, the wind swings onshore and kills it.

Tuesday (25th) is where we start to see a real improvement. The morning goes glassy with a slight air from the WSW, and that 2ft WSW swell stretches out to a very long 15-second period. Energy climbs to 254. The afternoon turns on too, with a nice cross-offshore breeze and the swell bumping up to 3ft at 14-seconds and energy at 325. This is a good, clean day for a point-style session.

Wednesday (26th) gets a little more interesting but tricky. The morning is clean with 3ft at 12-seconds, and the energy jumps to 501 – moderate now. But by the afternoon, the wind picks up from the SSW at 12 mph and it gets choppy. The swell is up to 5ft, but the quality drops.

Now, Thursday (27th) is a standout, but strictly for experts. We’re looking at a massive 12ft WSW groundswell with a long 15-second period. The combined energy is a staggering 5855. The morning is glassy, but this is way too big for most. The swell direction matches the optimum SW, but the power and size make it a beast for experienced surfers only.

Friday (28th) sees the swell dropping to 8ft, still significant but more manageable. The wind is light cross-onshore, keeping it somewhat clean, but the energy is still high at 2391. It’s still a big, powerful day, best left to the crew who know the break.

The following days into the second week (from Saturday the 29th through to early September) are mostly marginal. The swell sits between 4ft and 6ft with onshore or cross-onshore winds and moderate energy, often in the 600-900 range. Nothing stands out as a must-paddle session, just ordinary conditions.

There is a glimmer around Thursday, September 3rd, when a 6ft to 7ft WSW swell rolls in with a 14-second period and energy over 2000. But the wind is onshore or fairly choppy, so it’s more of a rough-and-tumble day for those who don't mind a bit of spray.

Overall, the best call is Tuesday morning (25th) for the clean, glassy conditions and the long-period groundswell, and Thursday (27th) for the raw power, if you’ve got the skills.

Rusty.

Short Range Forecast

Light rain (total 2mm), mostly falling on Wed night. Very mild (max 15°C on Tue afternoon, min 11°C on Mon morning). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Very mild (max 17°C on Sat afternoon, min 11°C on Thu night). Wind will be generally light.

Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
0
2
2
2
2
0
3
!
!
!
3
3
4
2
1
1
1
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)
0.6
SSW
13
0.6
SSW
12
0.7
WSW
11
0.5
WSW
15
0.8
WSW
14
0.9
WSW
13
1.1
W
10
1.4
WSW
10
1.8
WSW
12
3.5
WSW
15
3.5
WSW
15
3
WSW
14
2.5
WSW
14
2.5
WSW
13
2.1
WSW
13
1.8
WSW
12
1.7
WSW
12
1.6
WSW
12
1.6
WSW
11
1.6
WSW
11
1.6
WSW
12
Wave Graph
Metric surfscale
Energy kJ
106
98
99
123
268
307
258
341
907
5855
5055
3324
2383
2084
1420
918
767
636
593
615
725
Wind (km/h)
10
NNE
5
SW
5
WNW
5
WSW
15
NNW
10
NNE
5
WSW
20
S
5
SW
5
W
10
WSW
5
SE
5
W
10
WSW
5
ESE
5
WSW
15
SSW
10
SSE
10
SSW
20
SSW
15
SSE
Wind State
off
on
cross
glassy
cross-off
cross-off
on
cross-on
glassy
glassy
cross-on
cross
cross-on
on
glassy
cross-on
on
cross-on
on
cross-on
cross-on
High Tide
8:09AM1.21m
8:52PM0.82m
8:48AM1.29m
9:22PM0.88m
9:22AM1.35m
9:51PM0.95m
9:54AM1.39m
10:20PM1.01m
10:25AM1.40m
10:50PM1.08m
10:56AM1.38m
11:21PM1.14m
11:28AM1.32m
11:53PM1.19m
Low Tide
3:02PM0.25m
2:12AM0.34m
3:33PM0.18m
2:50AM0.27m
4:01PM0.13m
3:26AM0.21m
4:27PM0.09m
4:01AM0.16m
4:53PM0.07m
4:37AM0.14m
5:19PM0.07m
5:13AM0.14m
5:45PM0.09m
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
rain showers
clear
clear
part cloud
part cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:13
7:11
7:11
7:09
7:07
7:07
7:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:23
6:23
6:24
6:24
6:25
6:27
6:27
 mm
2
Temp °C
13
13
13
14
15
13
15
14
14
14
14
12
14
14
13
16
17
14
17
18
14
Feels °C
12
11
10
14
14
12
14
10
14
14
12
11
12
11
11
14
14
11
15
14
12
  • 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 Renaca Surf forecast

The above surf forecast table for Renaca provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Renaca can be found by selecting the local surf guide option on the grey menu. Our Renaca 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 (Renaca) 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 Renaca 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.

Renaca is 11 km (7 miles) from the city of Vina del Mar. If you plan a holiday in Santiago, look for hotels and other accommodation in Vina del Mar. Vina del Mar has rooms for a wide range of budgets as well as car hire and transport links.

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