Hornitos Surf Break

Lat Long: 22.96° S 70.31° W

Hornitos Surf Forecast and Surf Report

Issued: 1 am 11 Aug 2026 (local time)

Forecast update in  hr  min

Today's Hornitos sea temperature is
18.3° C
2.6° 

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


Hornitos surf forecast from 11 Aug 2026:

  • Best quality surf: Tuesday 11 Aug, 8PM (local time) - 4.5ft (1.3m), 13s period, SW swell with cross-offshore winds.
  • Most powerful swell: Tuesday 11 Aug, 5AM (local time) - 4.5ft (1.4m), 14s period, SW swell with 777 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 11 Aug, 8PM (local time) - 4.5ft (1.3m), 13s 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 Tuesday (Aug 11) at 8PM. The primary swell is predicted to be 1.3m and 13s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Hornitos in the next 16 days are 1.4m 14s and forecast to arrive on Tuesday (Aug 11) at 5AM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (-04) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Tue 11th Aug)4.5ft (1.3m) 13s
Best Surf 8PM (Tue 11th Aug)4.5ft (1.3m) 13s
Most Powerful 5AM (Tue 11th Aug)4.5ft (1.4m) 14s

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


The Lowdown

Alright folks, Rusty here. Let's have a look at what we've got on the cards for the next couple of weeks. It's a bit of a mixed bag, so let's dig into the details.

We're looking at a solid patch of swell from the southwest rolling in starting Tuesday the 11th of August. The water temperature is about average for this time of year, so no worries there. The best bet on offer is going to be Hornitos. It’s a fairly exposed spot that picks up this SW groundswell well, and it’s a consistent break, which is always a good sign.

Tuesday morning kicks things off with a clean 5ft SW swell, with a long period of 13 seconds. That's proper groundswell energy, giving you some nice, powerful lines. The wind is light from the WNW, pretty much offshore. The wave energy is healthy, coming in at 642, which is a solid moderate range. It’s not the biggest day ever, but it’s got good shape and it’s clean. The afternoon sees the swell drop a touch to 4ft, wind goes light from the SSW, making it a cross-on breeze. Still rideable, but the morning is the pick.

Wednesday the 12th, the swell backs off a fair bit to 2ft in the morning. The wind is better with some clouds and a light offshore from the W, but the waves are just too small to get excited about. The afternoon isn't much different with 3ft. The energy levels drop right off into the 200-range, which is weak.

Thursday the 13th through the weekend, things get a bit frustrating. The swell is small, mostly between 2ft and 3ft. The winds are mostly cross-on or onshore, which messes with the already small waves. The energy stays low, and most of the forecast calls it poor surf conditions. There are a few periods that are marginal, but nothing that screams "go."

Then we roll into the new week. Monday the 17th and Tuesday the 18th are still pretty weak. The swell direction stays southwest, but the period drops and the winds are persistently cross-on. It’s a bit of a flat spell, honestly.

The first real glimmer of something different shows up on Thursday the 20th of August. The swell is tiny, only 2ft, but the wind goes glassy in the afternoon with a WSW breeze. It looks ordinary, but glassy conditions mean you might find a little waist-high nugget to yourself. Similar story on Saturday the 22nd of August afternoon and Sunday the 23rd of August afternoon – the swell stays small, around 2-3ft, but we get those glassy windows with a light N or NW breeze. For the tiny wave rider, that’s your window.

Looking further out, Monday the 24th of August sees a slight bump back up to 4ft in the morning, but the wind is onshore. The afternoon cleans right up with glassy conditions from the NNW and a 3ft SW swell. That’s a solid, clean little window.

Overall, there’s no huge swell on the horizon, but for consistent, clean, long-period southwest groundswell, Tuesday the 11th of August morning at Hornitos is our standout. It’s the biggest, cleanest, and most powerful day in the whole run. After that, keep your eyes peeled for the glassy afternoons later in the second week if you’re after small-wave fun. It doesn't stay poor forever, and the forecasts can change.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 25°C on Tue afternoon, min 17°C on Thu night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 21°C on Fri morning, min 15°C on Sat night). Wind will be generally light.

Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
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
1
2
0
0
2
1
1
2
1
1
2
1
1
1
1
2
2
1
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.4
SW
13
1.3
SW
13
0.8
SW
13
0.7
SW
12
0.7
SW
11
0.8
SW
11
0.8
WSW
18
0.7
SW
17
0.9
WSW
16
0.9
SW
15
0.9
SW
14
0.8
WSW
14
0.9
SW
13
1.1
SW
13
0.8
SW
13
0.9
WSW
10
0.8
SW
16
0.8
SW
14
0.8
SW
13
0.8
SW
15
0.8
SW
14
Wave Graph
Metric surfscale
Energy kJ
642
543
193
140
126
143
390
302
441
322
305
264
261
382
204
178
287
241
215
255
248
Wind (km/h)
5
WSW
10
SW
5
SE
10
W
10
WSW
5
SSW
10
WSW
10
WSW
0
NNE
10
WSW
10
WSW
5
NNW
5
WNW
10
WSW
5
NNW
10
NW
5
W
0
S
10
WSW
15
W
10
NE
Wind State
on
cross-on
glassy
on
cross-on
glassy
on
cross-on
glassy
on
cross-on
glassy
on
on
cross-on
cross-on
glassy
glassy
on
on
cross-off
High Tide
8:04AM1.29m
8:37PM0.73m
8:52AM1.34m
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
Low Tide
2:58PM0.02m
2:11AM0.06m
3:40PM-0.03m
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
cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:09
7:07
7:07
7:05
7:05
7:05
7:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:22
6:23
6:23
6:24
6:24
6:24
6:25
 mm
7
Temp °C
24
25
24
22
22
21
22
21
19
21
21
18
19
20
17
19
18
16
18
18
16
Feels °C
23
24
23
22
21
23
22
21
20
21
20
18
19
20
18
18
17
17
16
16
15
  • 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 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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