Hornitos Surf Break

Lat Long: 22.96° S 70.31° W

Hornitos Surf Forecast and Surf Report

Issued: 1 pm 20 Jul 2026 (local time)

Forecast update in  hr  min

Today's Hornitos sea temperature is
17.9° C
1.9° 

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


Hornitos surf forecast from 21 Jul 2026:

  • Best quality surf: Monday 27 Jul, 8PM (local time) - 4.5ft (1.3m), 16s period, WSW swell with glassy winds.
  • Most powerful swell: Monday 27 Jul, 8PM (local time) - 4.5ft (1.3m), 16s period, WSW swell with 788 kJ wave energy.
  • Next surfable swell (1★+): Monday 20 Jul, 11PM (local time) - 3.5ft (1.1m), 12s period with WSW 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 Monday (Jul 20) at 11PM. The primary swell is predicted to be 1.1m and 12s period with a secondary swell of 0.4m and 11s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Hornitos in the next 16 days are 1.3m 16s and forecast to arrive on Monday (Jul 27) at 8PM. Winds are predicted to be glassy at the time the swell arrives.

Wave TypeTime (-04) & Date Wave Height & Period
Next good surf (1 star+)11PM (Mon 20th Jul)3.5ft (1.1m) 12s
Best Surf 8PM (Mon 27th Jul)4.5ft (1.3m) 16s
Most Powerful 8PM (Mon 27th Jul)4.5ft (1.3m) 16s

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


The Lowdown

Alright folks, Rusty here, breaking down the Hornitos forecast for the next couple of weeks. I’m not going to sugarcoat it – we’ve got a lot of days where the wind is just a little too cross-onshore to get the surf glassing off properly. There’s a lot of "so-so" in the data, but a couple of bright spots that are worth the wait.

Kicking off on Monday, July 20th, we’ve got a decent afternoon on the cards. Winds are glassy, barely a breath at 3 mph, and the water temp is about 64°F, feeling a little warmer than usual for this time of year – about 3°F above average. The swell is a modest 4ft from the WSW with an 11-second period. The combined energy is moderate at 367, so there’s some push but nothing overwhelming. It’s a nice little window for a session.

After that, it gets pretty quiet. From Tuesday the 21st through to Sunday the 27th, we’re looking at persistent cross-onshore winds and small, messy waves. A few mornings show marginal conditions, but I wouldn’t bother. Monday the 27th morning brings a shift – the wind comes from the WNW going straight onshore, and the swell is tiny at 3ft, but the period stretches out to 17 seconds. That’s long-period groundswell energy at 530. Those long lulls between sets make paddling out easier, but the waves will be straight and less user-friendly on a beach break. Better for a point or reef.

Now, circle Tuesday, July 28th. The morning swell builds to 4ft from the WSW with a 14-second period, energy climbing to 923. By the afternoon, we’re at 6ft and energy jumps to 1115 – that’s a solid push. The wind stays light at 6 mph from the SW, still cross-onshore but at that low speed it’s manageable. The surf will be a little bumpy, but there’s real power behind it.

The absolute best bet in this forecast is Wednesday, July 30th, in the afternoon. The wind goes glassy again – dead calm at 3 mph from the WSW. Swell drops to 4ft from the SW with a 12-second period and energy at 372. This is clean, lined-up surf with no wind to mess it up. If you only get one session, make it this one. There might be a few people out, but it’ll be worth it.

Then hold on for Sunday, August 2nd. The morning pumps up to 8ft from the SW with a 15-second period – that’s a serious, long-period groundswell. The combined energy is massive at 2706. This is expert-only territory, well over 8ft. The wind is light from the WNW at 3 mph, but still cross-onshore. That size and period will make it heavy, with barrels on the right bank but closeouts on the beach. This one’s for the experienced crew, not beginners.

After that pulse, things fade through the 3rd and 4th of August with smaller, marginal conditions and light breezes.

So to wrap it up: your first good window is Monday the 20th afternoon. The standout glassy session is Wednesday the 30th afternoon. The biggest, heaviest swell hits on Sunday the 2nd of August, but only if you’ve got the skills. The rest is a waiting game. That’s the story from Hornitos.

Rusty.

Short Range Forecast

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

Days 5-7 Weather Summary

Mostly dry. Warm (max 25°C on Fri morning, min 17°C on Sat night). Wind will be generally light.

Mon
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
2
1
0
1
0
0
1
1
0
1
1
0
1
1
1
2
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)
1.1
WSW
11
1
WSW
12
1
WSW
12
1
WSW
11
0.9
WSW
11
1.2
WSW
10
1.3
WSW
10
1.3
WSW
10
1.3
WSW
11
1.3
WSW
11
1.3
SW
10
1.2
SW
9
0.9
SW
9
1.1
SW
11
1.4
SW
11
1.2
SW
11
1
WSW
11
0.7
WSW
15
0.7
WSW
14
0.6
SW
18
Wave Graph
Metric surfscale
Energy kJ
314
293
288
268
198
272
314
361
375
382
328
241
115
297
455
354
238
188
183
260
Wind (km/h)
5
WSW
5
W
10
SW
15
SW
10
SSW
10
SW
15
SW
5
SSW
10
SW
15
SW
10
SSW
10
SW
5
WSW
5
NNW
10
NW
10
NW
5
NNE
10
WSW
15
SW
5
N
Wind State
glassy
glassy
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross
cross-on
cross-on
glassy
on
cross-on
glassy
High Tide
2:51AM0.91m
2:39PM0.80m
3:50AM0.92m
3:40PM0.68m
4:52AM0.93m
4:54PM0.61m
5:51AM0.96m
6:09PM0.58m
6:45AM0.99m
7:12PM0.59m
7:33AM1.04m
8:01PM0.61m
Low Tide
8:20PM0.13m
8:58AM0.34m
9:04PM0.19m
10:21AM0.37m
9:52PM0.24m
11:46AM0.36m
10:47PM0.27m
12:57PM0.31m
11:44PM0.28m
1:52PM0.26m
00:38AM0.26m
2:35PM0.21m
1:25AM0.23m
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>
7:20
7:18
7:18
7:18
7:18
7:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:15
6:15
6:15
6:15
6:15
6:16
6:16
 mm
Temp °C
20
19
19
21
20
22
23
21
22
22
22
25
24
22
20
20
17
21
22
20
Feels °C
20
20
18
20
19
20
21
20
21
20
21
23
23
23
20
19
18
20
22
19
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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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