Hornitos Surf Break

Lat Long: 22.96° S 70.31° W

Hornitos Surf Forecast and Surf Report

Issued: 8 am 06 Sep 2026 (local time)

Forecast update in  hr  min

Today's Hornitos sea temperature is
18.5°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 6 Sep 2026:

  • Best quality surf: Sunday 6 Sep, 9PM (local time) - 2ft (0.6m), 16s period, SW swell with glassy winds.
  • Most powerful swell: Tuesday 8 Sep, 12AM (local time) - 3.5ft (1.1m), 14s period, SW swell with 453 kJ wave energy.
  • Next surfable swell (1★+): Sunday 6 Sep, 9PM (local time) - 2ft (0.6m), 16s 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 Sunday (Sep 06) at 9PM. The primary swell is predicted to be 0.6m and 16s period with a secondary swell of 0.7m and 10s. Another secondary swell of 0.6m and 12s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Hornitos in the next 16 days are 1.1m 14s and forecast to arrive on Tuesday (Sep 08) at 12AM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (-04) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Sun 6th Sep)2ft (0.6m) 16s
Best Surf 9PM (Sun 6th Sep)2ft (0.6m) 16s
Most Powerful12AM (Tue 8th Sep)3.5ft (1.1m) 14s

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


The Lowdown

G’day, I’m Rusty. Let’s have a look at what’s shaping up for the next couple of weeks at Hornitos.

Alright, the pattern for the first week or so is actually pretty promising – clean mornings with solid groundswell rolling in, but the afternoons are mostly a write-off with onshore wind. That means you gotta be an early bird or a dawn patroller to get the good ones.

The real standout is Sunday the 6th. Get down to Hornitos first thing. We’ve got clean, glassy conditions with a light SSW breeze and a nice 2ft swell pushing in from the SW. The period is a very long 18 seconds – that’s proper groundswell energy, with long, clean lines and easy paddling between sets. The water temp is sitting at a very unusual 65°, which is about 5° warmer than normal for this time of year, so it’s going to feel like a warm bath out there. The combined energy is strong at 430, so there’s plenty of push for a board. This is a proper Sunday session.

Moving through the week, Monday the 7th, Tuesday the 8th, and Wednesday the 9th all have similar morning windows: glassy conditions and a consistent 2ft to 3ft SW groundswell. The period drops a bit from 16s down to 13s, but it’s still quality, long-period swell. The morning of Thursday the 10th is a bit more ordinary but surfable if you’re keen.

Saturday the 12th is a little different – the swell picks up to 3ft, but the period drops to 8 seconds. That’s short-period, wind-swell stuff, so the shape will be less lined up, but it’s still clean with zero wind in the morning.

The next real highlight comes around Sunday the 13th morning. We see the swell bump up to 4ft from the SW with a 10-second period, and again, glassy conditions with a light S breeze. The energy is moderate at 340, so it’ll have some punch but stay clean. This is likely the best size you’ll see, though it’s still fine for intermediates. Beginners might find the 4ft a bit of a handful, but it’s not out of reach.

The second week, starting from Monday the 14th, the mornings keep delivering. You’ve got 2ft to 3ft SW groundswell with periods between 15 and 18 seconds on those glassy mornings through to Wednesday the 16th. After that, things start to fade. Thursday the 17th morning is still glassy but the swell drops to 2ft with weaker energy (129). By Friday the 18th and into the weekend of the 19th and 20th, the swell gets tiny and the conditions turn average. The combined energy drops into the double digits – weak stuff.

For the whole period, the best surf is definitely on those clean mornings. The afternoons are mostly a no-go with onshore wind. The only slight downer is that Hornitos can get a crowd *sometimes*, so on those stand-out mornings like Sunday the 6th and Sunday the 13th, expect a few other locals in the water with you.

That’s the run-down. Get out early, enjoy the warm water, and don’t sleep on that Sunday the 6th session.

Rusty.

Short Range Forecast

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

Days 4-6 Weather Summary

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

Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
0
2
2
0
1
2
1
2
2
0
1
1
0
0
1
0
1
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)
0.9
SW
10
0.6
SW
18
0.6
SW
16
0.7
SW
16
0.8
SW
14
1.1
SW
14
0.8
SW
14
0.8
SW
14
0.9
SW
14
0.8
SW
13
0.8
SW
13
0.6
SW
16
0.8
SW
14
0.8
SW
14
0.8
SW
13
0.8
SW
13
0.8
SW
13
1.1
SW
8
1
SW
8
1
SW
8
1.2
SW
11
Wave Graph
Metric surfscale
Energy kJ
159
194
208
236
297
453
257
289
304
246
242
198
248
245
215
208
208
147
126
136
326
Wind (km/h)
5
SSW
10
W
5
WSW
5
SSW
15
W
10
NNW
5
NW
10
WNW
5
WSW
5
SW
15
WSW
10
SSW
5
W
10
W
10
SSW
10
S
20
SW
10
SSW
0
NW
10
W
5
SSW
Wind State
glassy
on
glassy
glassy
on
cross-on
glassy
on
glassy
glassy
cross-on
cross-on
glassy
on
cross-on
cross
cross-on
cross
glassy
on
glassy
High Tide
6:42PM0.59m
7:02AM1.12m
7:49PM0.66m
7:59AM1.19m
8:40PM0.75m
8:49AM1.23m
9:24PM0.85m
9:33AM1.24m
10:05PM0.94m
10:14AM1.22m
10:44PM1.01m
10:54AM1.15m
11:22PM1.06m
Low Tide
1:11PM0.21m
1:04AM0.25m
2:07PM0.13m
1:16AM0.19m
2:53PM0.06m
2:15AM0.13m
3:32PM0.01m
3:07AM0.08m
4:08PM-0.02m
3:56AM0.05m
4:41PM-0.03m
4:42AM0.05m
5:13PM-0.00m
clear
clear
clear
clear
clear
part cloud
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>
8:47
8:46
8:45
8:43
8:43
8:41
8:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:31
8:31
8:32
8:32
8:32
8:32
8:34
 mm
Temp °C
22
22
20
23
22
19
20
21
18
20
21
20
20
21
18
22
23
20
21
21
19
Feels °C
22
21
21
23
21
20
20
21
19
19
20
20
19
20
17
20
20
18
20
20
19
  • 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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