Hornitos surfForecast / Antofagasta / Chile

information circle16 Day Weather and Surf, issued 1 pm Saturday 16 May 2026 -04
Forecast update in hr  min  s Forecast update imminent
Hornitos surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Hornitos sea temperature is
17.7° C
(Which is slightly cooler than normal)

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 (May 17) at 2AM. The primary swell is predicted to be 0.8m and 12s period with a secondary swell of 0.5m and 16s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Hornitos in the next 16 days are 0.9m 16s and forecast to arrive on Sunday (May 17) at 5PM. 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+) 2AM (Sun 17th May)2.5ft (0.8m) 12s
Best Surf 2AM (Sun 17th May)2.5ft (0.8m) 12s
Most Powerful 5PM (Sun 17th May)3ft (0.9m) 16s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

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

Days 5-7 Weather Summary

Mostly dry. Warm (max 22°C on Tue afternoon, min 18°C on Wed night). Wind will be generally light.

Sat
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
1
2
1
1
2
1
1
2
0
0
2
1
1
1
0
0
1
0
0
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
SW
12
0.8
SW
12
0.8
SW
18
0.9
SW
16
0.9
SW
16
0.9
SW
15
0.9
SW
14
0.7
SW
14
0.6
SW
13
0.5
SW
13
0.8
SSW
13
0.8
SSW
14
0.8
SSW
14
0.7
SW
13
0.6
SSW
13
0.7
SW
13
0.7
SW
13
0.6
SSW
11
0.6
SSW
10
0.6
SW
13
0.4
SW
16
Wave Graph
Metric surfscale
Energy kJ
141
161
366
367
358
309
301
191
140
83
219
261
250
172
113
172
167
76
73
136
94
Wind (km/h)
10
SW
0
SSE
10
WSW
10
SW
0
S
10
WSW
10
SW
5
SW
10
WSW
5
SW
5
SSW
10
WSW
10
SW
0
ESE
10
WSW
10
SW
5
S
5
WSW
10
SW
5
WSW
5
SW
cross-on
glassy
on
cross-on
glassy
cross-on
cross-on
glassy
cross-on
cross-on
glassy
cross-on
cross-on
glassy
on
cross-on
glassy
on
cross-on
glassy
cross-on
High Tide
8:58PM0.80m
9:26AM1.32m
9:51PM0.76m
10:15AM1.35m
10:47PM0.71m
11:08AM1.34m
11:46PM0.68m
12:04PM1.30m
00:51AM0.65m
1:03PM1.24m
2:02AM0.66m
2:05PM1.16m
3:16AM0.69m
Low Tide
3:19PM0.06m
2:45AM0.04m
4:13PM0.02m
3:30AM0.05m
5:09PM0.01m
4:18AM0.07m
6:08PM0.02m
5:11AM0.11m
7:09PM0.04m
6:11AM0.17m
8:12PM0.06m
7:18AM0.24m
9:14PM0.07m
8:35AM0.29m
clear
clear
clear
clear
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>
7:07
7:07
7:07
7:09
7:09
7:09
7:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:07
6:07
6:06
6:06
6:05
6:05
6:05
6:05
Temp °C
20
19
21
21
20
23
22
21
22
22
21
22
22
20
21
21
20
22
23
22
22
19
19
20
20
20
22
21
21
21
21
21
21
21
20
20
20
20
21
22
21
21
Swell 1
Height (m)
Direction
Period (s)
0.7
SW
12
0.8
SW
12
0.8
SW
18
0.9
SW
10
0.9
SSW
10
0.9
SW
15
0.9
SW
14
0.7
SW
14
0.6
SW
13
0.6
SSW
10
0.8
SSW
13
0.8
SSW
14
0.8
SSW
14
0.7
SW
13
0.6
SSW
13
0.7
SW
13
0.7
SW
13
0.6
SSW
11
0.6
SSW
10
0.6
SW
13
0.4
SW
16
Energy kJ
141
161
366
160
185
309
301
191
140
61
219
261
250
172
113
172
167
76
73
136
94
Swell 2
Height (m)
Direction
Period (s)
0.4
SW
16
0.5
SW
16
0.7
SW
9
0.9
SW
16
0.9
SW
16
0.7
SW
10
0.7
SW
10
0.6
SW
10
0.6
SSW
10
0.5
SW
13
0.4
NW
13
0.3
NW
13
0.2
WSW
10
0.2
WSW
10
0.3
SW
6
0.4
NW
12
0.4
NW
13
0.3
SW
12
0.3
SW
12
0.3
SW
18
0.5
SW
9
Energy kJ
93
124
83
367
358
96
98
77
61
83
45
26
10
9
5
38
40
23
23
49
40
Swell 3
Height (m)
Direction
Period (s)
0.4
NW
13
0.4
SW
19
0.4
SW
11
0.3
NW
12
0.4
NW
15
0.4
NW
15
0.3
NW
15
0.2
WNW
14
0.3
NW
13
0.4
SW
16
0.2
WSW
11
0.3
WSW
11
0.2
WNW
12
0.2
WNW
12
0.3
NW
12
0.2
WSW
9
0.2
WSW
9
0.3
SW
15
0.3
NW
13
0.3
NW
13
0.4
SW
11
Energy kJ
44
96
31
23
54
54
33
18
28
64
12
22
14
14
23
8
8
35
27
27
30
Wind waves
Height (m)
Direction
Period (s)
Energy kJ
Nearest Offshore or Glassy
Rating
(10 max)
2
2
4
3
2
4
3
2
3
2
2
4
2
1
2
3
1
2
2
1
3
Distance (km)
305
0
127
305
0
127
299
0
127
302
0
61
305
0
305
61
0
172
61
0
61
Best forecast wave conditions in Antofagasta
Rating
(10 max)
3
3
3
4
2
4
4
4
4
2
3
1
3
2
1
2
2
3
Best forecast wave conditions in Chile
Rating
(10 max)
2
4
4
3
4
4
3
4
4
2
4
4
4
3
2
3
2
2
2
2
3
Header Global
Rating
(10 max)
4
4
6
7
4
5
4
5
4
4
4
9
7
4
8
5
4
5
4
4
4
  • 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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