Hornitos Surf Break

Lat Long: 22.96° S 70.31° W

Hornitos Surf Forecast and Surf Report

Issued: 7 am 04 Sep 2026 (local time)

Forecast update in  hr  min

Today's Hornitos sea temperature is
18.3°C
2.4° 

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


Hornitos surf forecast from 4 Sep 2026:

  • Best quality surf: Friday 4 Sep, 8PM (local time) - 3.5ft (1.1m), 14s period, SW swell with glassy winds.
  • Most powerful swell: Friday 4 Sep, 2PM (local time) - 4ft (1.2m), 14s period, WSW swell with 561 kJ wave energy.
  • Next surfable swell (1★+): Friday 4 Sep, 8PM (local time) - 3.5ft (1.1m), 14s 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 Friday (Sep 04) at 8PM. The primary swell is predicted to be 1.1m and 14s period with a secondary swell of 0.9m and 10s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Hornitos in the next 16 days are 1.2m 14s and forecast to arrive on Friday (Sep 04) at 2PM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (-04) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Fri 4th Sep)3.5ft (1.1m) 14s
Best Surf 8PM (Fri 4th Sep)3.5ft (1.1m) 14s
Most Powerful 2PM (Fri 4th Sep)4ft (1.2m) 14s

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


The Lowdown

Right, let’s have a look at what’s cookin’ here for Hornitos over the next couple of weeks. I’ll level with you, mate – it’s a tough stretch. The wave energy is sitting in the moderate range (combined energy around 649 to 718), but it’s a real story of ‘almost, but not quite’ for most of the run.

The standout for the whole period is actually right at the start, Friday the 4th of September. We’ve got a clean 4ft swell from the WSW, with a period of 14 seconds – that’s a proper groundswell with some decent push. The wind is light offshore out of the west in the morning, going glassy. That’s the call for the best window. The water temp is sitting at 65°, which is a solid 4° warmer than what’s normal for this time of year, so it’s notably warm. Keep in mind that south-west swell is what this spot really wants.

After that, it’s a bit of a grim slide. Saturday the 5th drops to 3ft, and by Sunday the 6th we’re down to 2ft with a very long 18-second period. That long period makes it tricky at a beach setup – it’ll break too straight and fat. The wind stays light and offshore through the mornings, but the size is just too small to get excited about. It’s marginal at best, with the combined energy dropping fast (430 by Sunday).

From Monday the 7th all the way through to the end of the second week, the forecast is pretty much a write-off for decent surfing. The swell stays tiny, mostly under 3ft, and the period drops off into the 8 to 12 second range – short-period, weak stuff. The wind turns cross-onshore almost every afternoon, making it choppy, and the combined energy never gets above 341. Honestly, from the 7th of September onwards, it’s just poor surf conditions day after day. There’s a gap of about ten days with no real recommendation.

If you’re a beginner, the small swell on Friday the 4th is fine – it’s under 5ft, so it’s manageable. But for anyone who wants a proper wave, there’s barely a sniff. For a more experienced surfer, the lack of size and quality means the gear might stay in the van. The setup looks more interesting for a kite surfer on those cross-onshore afternoons than for a paddle surfer.

Summing it up: Friday the 4th of September is your only real shot. Get it while it’s clean, because the rest of the outlook is a long, quiet flat spell.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 23°C on Sat afternoon, min 17°C on Fri morning). Wind will be generally light.

Days 4-6 Weather Summary

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

Friday
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
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
2
1
1
1
2
1
1
2
1
1
2
1
1
2
1
1
1
1
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
WSW
14
1.2
WSW
14
1.1
SW
13
0.9
SW
13
0.9
SW
13
0.7
SW
13
0.6
SW
18
0.6
SW
17
0.6
SW
16
0.8
SW
15
0.8
SW
14
0.8
SW
14
0.8
SW
14
0.8
SW
14
0.8
SW
13
0.8
SW
13
0.7
SW
13
0.5
SW
15
0.9
SW
14
0.8
SW
14
0.8
SW
13
Wave Graph
Metric surfscale
Energy kJ
561
561
412
286
241
167
197
190
206
305
293
281
241
285
250
208
163
126
346
234
208
Wind (km/h)
10
W
5
WSW
5
NNW
10
W
10
WSW
5
NNW
10
W
10
WSW
5
W
10
W
5
W
5
N
10
W
5
W
0
NNW
10
WSW
10
WSW
5
W
10
WSW
15
SW
5
S
Wind State
on
on
cross-on
on
cross-on
glassy
on
cross-on
glassy
on
on
glassy
on
on
glassy
on
cross-on
glassy
on
cross-on
cross
High Tide
2:30PM0.60m
3:30AM1.00m
4:10PM0.56m
4:52AM1.05m
5:42PM0.59m
6:02AM1.12m
6:49PM0.66m
6:59AM1.19m
7:40PM0.75m
7:49AM1.23m
8:24PM0.85m
8:33AM1.24m
9:05PM0.94m
Low Tide
9:12AM0.31m
8:14PM0.26m
10:51AM0.28m
9:37PM0.28m
12:11PM0.21m
11:04PM0.25m
1:07PM0.13m
00:16AM0.19m
1:53PM0.06m
1:15AM0.13m
2:32PM0.01m
2:07AM0.08m
3:08PM-0.02m
2:56AM0.05m
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
6:47
7:46
7:45
7:43
7:43
7:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:30
6:31
7:31
7:31
7:32
7:32
7:32
 mm
Temp °C
20
21
20
22
23
22
22
22
21
22
22
19
21
22
20
21
23
21
20
22
22
Feels °C
19
20
21
22
23
23
22
21
22
22
21
20
21
21
21
20
23
21
20
20
21
  • 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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