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Surf Forecasts:

Hornitos surfForecast / Antofagasta / Chile

information circle12 Day Weather and Surf, issued 7 am Saturday 23 Aug 2025 -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
16.6° C
 (Which is slightly warmer than usual)

Best Forecast Surf Conditions for Hornitos this week:

The surf forecast for Hornitos over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 24) at 2AM. The primary swell is predicted to be 2.5m and 16s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Hornitos in the next 12 days are 3.0m 17s and forecast to arrive on Saturday (Aug 23) at 11AM. 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 24th Aug)8ft (2.5m) 16s
Best Surf 2AM (Sun 24th Aug)8ft (2.5m) 16s
Most Powerful11AM (Sat 23rd Aug)10ft (3.0m) 17s

Table - best surf conditions forecast for Hornitos over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Mostly dry. Warm (max 21°C on Mon morning, min 13°C on Sat night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 21°C on Wed afternoon, min 14°C on Thu night). Wind will be generally light.

Saturday
23
Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
0
4
2
2
3
1
1
2
1
2
3
1
0
2
1
2
2
1
1
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
3
SW
3
SW
2.5
SW
2.3
SW
2.1
SW
1.8
SW
1.6
SW
1.5
SW
1.3
SW
1.1
SW
1.4
SW
1.4
SW
1.4
SW
1.3
SW
1.2
SW
1.1
SW
1
SW
1.6
SW
1.6
SW
1.5
SW
1.3
SW
Period(s) (?)171716161414131311121514141313121817161615
Wave
Graph
(?)Metric surfscale
Energy (?)487845333396248417121238809710465534879776722628536649872132312001082885
Wind
(km/h)
15
SW
20
SW
5
SSW
15
SW
15
SW
5
S
10
WSW
15
SW
0
NW
10
WNW
5
WSW
5
NNW
10
WSW
10
SW
5
WNW
10
W
10
WSW
5
NNW
10
WNW
10
NW
15
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		glasscross-
on		cross-
on		glassoncross-
on		glasscross-
on		onglassoncross-
on		glassononcrosscross-
on		cross-
on		cross
High Tide
/ height (m)
9:24AM
1.24
9:52PM
0.85
10:01AM
1.21
10:29PM
0.89
10:36AM
1.14
11:05PM
0.93
11:10AM
1.05
11:41PM
0.94
11:44AM
0.95
12:19AM
0.94
12:20PM
0.83
1:00AM
0.92
1:00PM
0.72
1:48AM
0.89
Low Tide
/ height (m)
4:03PM
0.01
3:36AM
0.08
4:34PM
0.02
4:17AM
0.10
5:04PM
0.05
4:59AM
0.14
5:32PM
0.09
5:41AM
0.20
6:00PM
0.14
6:27AM
0.26
6:28PM
0.20
7:19AM
0.32
6:59PM
0.26
Saturday
23
Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Sunrise6:58--6:58--6:58--6:56--6:56--6:54--6:54--
Sunset-6:28--6:28--6:28--6:29--6:29--6:29--6:30-
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
Rain (mm)
--------------------2
Temp. °C181915181816212121181817202120202017171714
Feels °C (?)141513151415191919171717182019191918151512
  • 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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Eyeball surf reportRecent Eyeball Surf Reports for Antofagasta

  1. weather stationWind Update Cross-off winds at Hornitos are now cross-shore so expect speed-bumps in the surf (moderate winds from the S at Antofagasta Airport/Cerro Moreno 52 km from Hornitos). A 1.8m groundswell from the SW

    1 hour 38 minutes ago Hornitos
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FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Hornitos surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Hornitos at:
surf-forecast.com

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 12 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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