Hornitos Surf Break

Lat Long: 22.96° S 70.31° W

Hornitos Surf Forecast and Surf Report

Issued: 2 am 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Hornitos sea temperature is
18.3°C
2.2° 

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


Hornitos surf forecast from 18 Sep 2026:

  • Best quality surf: Friday 25 Sep, 3AM (local time) - 3ft (0.9m), 12s period, WSW swell with glassy winds.
  • Most powerful swell: Monday 21 Sep, 9PM (local time) - 3.5ft (1.1m), 10s period, SW swell with 235 kJ wave energy.
  • Next surfable swell (1★+): Saturday 19 Sep, 3AM (local time) - 2.5ft (0.7m), 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 Saturday (Sep 19) at 3AM. The primary swell is predicted to be 0.7m and 11s period with a secondary swell of 0.4m and 5s. 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 10s and forecast to arrive on Monday (Sep 21) at 9PM. 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+) 3AM (Sat 19th Sep)2.5ft (0.7m) 11s
Best Surf 3AM (Fri 25th Sep)3ft (0.9m) 12s
Most Powerful 9PM (Mon 21st Sep)3.5ft (1.1m) 10s

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


Short Range Forecast

Mostly dry. Warm (max 26°C on Fri afternoon, min 19°C on Sun night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 22°C on Tue morning, min 17°C on Tue night). Wind will be generally light.

Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
1
0
0
0
0
0
1
0
1
1
0
1
0
0
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
WSW
13
0.7
SW
12
0.7
SW
11
0.7
SW
11
0.6
SW
11
0.6
SW
11
0.6
WSW
10
0.4
SW
13
0.7
SW
12
0.9
SW
11
0.9
SW
11
1.1
SW
10
1
SW
10
1
SW
9
0.9
WSW
9
0.7
WSW
10
0.7
WSW
10
0.5
WSW
10
0.4
SW
13
0.6
WSW
13
0.8
WSW
12
Wave Graph
Metric surfscale
Energy kJ
106
140
130
123
96
92
67
63
141
205
202
226
192
173
151
85
85
51
46
111
180
Wind (km/h)
5
SSW
20
WSW
5
SSW
5
WSW
10
W
5
SSW
10
SSW
15
WSW
10
SSW
5
WSW
10
W
5
SW
5
W
15
W
5
W
10
NNW
10
WNW
5
N
0
WNW
10
W
0
WNW
Wind State
cross
cross-on
cross
glassy
on
cross
cross
on
cross-on
glassy
on
glassy
glassy
on
glassy
cross-on
cross-on
glassy
glassy
on
glassy
High Tide
3:42PM0.54m
4:20AM0.88m
5:26PM0.52m
5:39AM0.89m
6:50PM0.55m
6:44AM0.93m
7:42PM0.61m
7:33AM0.98m
8:19PM0.67m
8:12AM1.03m
8:50PM0.75m
8:46AM1.06m
9:19PM0.83m
Low Tide
10:24AM0.34m
8:55PM0.36m
12:01PM0.33m
10:21PM0.39m
1:11PM0.29m
11:50PM0.38m
1:56PM0.24m
00:54AM0.34m
2:29PM0.19m
1:42AM0.29m
2:57PM0.14m
2:23AM0.23m
3:22PM0.10m
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
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>
7:35
7:33
7:33
7:31
7:31
7:30
7:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:36
7:36
7:36
7:36
7:37
7:37
7:37
 mm
Temp °C
24
26
25
23
24
23
24
23
21
21
21
20
22
22
19
20
21
18
21
22
21
Feels °C
24
25
25
24
24
23
24
22
21
21
20
20
22
21
20
20
21
19
21
21
21
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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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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