Hornitos Surf Break

Lat Long: 22.96° S 70.31° W

Hornitos Surf Forecast and Surf Report

Issued: 7 pm 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's Hornitos sea temperature is
18.2° C
2.5° 

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


Hornitos surf forecast from 13 Aug 2026:

  • Best quality surf: Thursday 13 Aug, 2AM (local time) - 2.5ft (0.8m), 11s period, SW swell with glassy winds.
  • Most powerful swell: Tuesday 18 Aug, 2PM (local time) - 4.5ft (1.3m), 13s period, SW swell with 543 kJ wave energy.
  • Next surfable swell (1★+): Thursday 13 Aug, 2AM (local time) - 2.5ft (0.8m), 11s period with SW swell.

Best Forecast Surf Conditions for Hornitos this week:

The surf forecast for Hornitos over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 13) at 2AM. The primary swell is predicted to be 0.4m and 19s period with a secondary swell of 0.8m and 11s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Hornitos in the next 16 days are 1.3m 13s and forecast to arrive on Tuesday (Aug 18) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 2s period and expected on Monday (Aug 17) at 11PM.

Wave TypeTime (-04) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Thu 13th Aug)2.5ft (0.8m) 11s
Best Surf 2AM (Thu 13th Aug)2.5ft (0.8m) 11s
Most Powerful 2PM (Tue 18th Aug)4.5ft (1.3m) 13s

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


The Lowdown

Alright, let’s get into it. The outlook for Hornitos covers the full 16-day window, but honestly, it’s a slow start with a lot of marginal surf. The first few days are pretty lacklustre, so don’t be in a rush to get wet.

Kicking off Thursday morning August 13th, we’ve got a small southwest groundswell pushing in at 2 ft to 3 ft, coming from the WSW with a very long period of 18 seconds down to 17 seconds. The combined swell energy is moderate (466), which suggests there’s some push behind it, but the wave comment says it’s marginal. Winds are light westerly at 3 mph to 6 mph, which is offshore for that SW exposure, keeping things clean. The period is so long that at a beach break, those waves might be a bit too lined up and straight, but the offshore wind helps. For an intermediate, the size is fine, but it’s not blowing up.

The standouts in this whole 16-day stretch are tough to find. Honestly, the best-looking window falls on Tuesday afternoon, August 18th. We get a SW swell of 3 ft with a 13-second period, moderate combined swell energy (393), and the wind turns cross-offshore from the NNE at 9 mph. The guidance says “expect good surf conditions,” and that’s as good as it gets here. The break is consistent, so there should be waves coming through. Crowds are only sometimes an issue, so you might get a few out but nothing crazy. The water temperature is unremarkable for the time of year, so no need to overthink the rubber.

Before that, the days are a mix of small WSW to SW swells with periods dropping from 18 seconds to 13 seconds, and mostly light westerly offshore winds. The size stays between 2 ft and 4 ft, so it’s manageable but not exciting. From Sunday August 16th onward, the wind state gets messier, with cross-on directions and the wave energy weakening.

After that Tuesday afternoon window, things go downhill fast. From Thursday morning August 20th, it’s classified as poor surf through to the end of the forecast period. The swell drops below 3 ft by the 22nd, and the combined energy falls to between 155 and 90. The wind stays cross-on or offshore but light, so the issue is just lack of swell. The period gets short for a few days, down to 9 seconds, which is weak and weak. There’s even a small shot of 1.0 ft and 1 ft, with combined energy as low as 52 – barely a ripple.

There’s a tiny spike on August 26th and 27th with a WSW swell up to 3 ft and a long period of 19 seconds, but the wind is cross-on at 9 mph to 12 mph, and the conditions are still rated poor. That’s more of a kite-surfing setup with the moderate breeze and choppy water, not a priority for paddle surfing.

Bottom line: This isn’t a season-defining stretch. There’s not really a standout session worth chasing hard. The best bet is the Tuesday afternoon August 18th session for a few clean, lined-up waves. The rest? Just keep the board waxed and wait for better.

Rusty

Short Range Forecast

Mostly dry. Warm (max 23°C on Wed night, min 16°C on Fri night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 19°C on Sun morning, min 15°C on Sun night). Wind will be generally light.

Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
1
1
2
1
1
2
1
1
2
1
1
2
1
1
2
1
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
SW
11
0.8
WSW
18
0.7
SW
17
0.9
WSW
16
0.8
WSW
15
0.8
WSW
14
0.8
WSW
14
0.9
WSW
13
1.1
SW
13
1.1
SW
11
0.9
WSW
10
0.8
SW
16
0.8
SW
14
0.8
SW
13
0.8
SW
14
0.8
SW
14
1.2
SW
13
0.9
SW
13
0.9
SW
12
Wave Graph
Metric surfscale
Energy kJ
143
390
302
441
287
268
264
309
382
273
157
287
238
215
248
228
501
241
212
Wind (km/h)
5
W
5
W
5
W
5
NNW
10
WSW
10
WSW
5
N
10
W
5
W
10
N
5
NW
10
W
0
NNE
10
W
10
W
5
NE
10
NNW
15
NNE
5
WNW
Wind State
glassy
on
on
glassy
on
on
glassy
on
on
cross-off
cross-on
on
glassy
on
on
glassy
cross
cross-off
glassy
High Tide
9:24PM0.81m
9:38AM1.34m
10:09PM0.88m
10:20AM1.30m
10:52PM0.93m
11:02AM1.21m
11:36PM0.97m
11:42AM1.09m
00:20AM0.98m
12:23PM0.96m
1:06AM0.97m
1:07PM0.82m
1:57AM0.95m
Low Tide
3:03AM0.03m
4:19PM-0.05m
3:52AM0.03m
4:56PM-0.04m
4:42AM0.06m
5:32PM-0.01m
5:31AM0.12m
6:07PM0.05m
6:23AM0.19m
6:42PM0.11m
7:19AM0.27m
7:18PM0.19m
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:07
7:05
7:05
7:05
7:03
7:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:23
6:23
6:24
6:24
6:24
6:25
6:25
 mm
Temp °C
23
22
21
19
20
21
18
20
21
17
19
19
16
18
19
16
17
17
17
Feels °C
23
23
21
21
20
20
19
19
20
18
19
18
17
17
18
16
16
16
17
  • 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 Hornitos Surf forecast

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

Hornitos is 22 km (14 miles) from the city of Mejillones. If you plan a holiday in Antofagasta, look for hotels and other accommodation in Mejillones. Mejillones has rooms for a wide range of budgets as well as car hire and transport links.

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