Surf Forecasts:
Hornitos surf forecast from 4 Aug 2026:
- Best quality surf: Wednesday 5 Aug, 5AM (local time) - 5ft (1.5m), 12s period, SW swell with glassy winds.
- Most powerful swell: Thursday 6 Aug, 2PM (local time) - 5.5ft (1.7m), 16s period, SW swell with 1,402 kJ wave energy.
- Next surfable swell (1★+): Tuesday 4 Aug, 5PM (local time) - 5ft (1.5m), 12s 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 Tuesday (Aug 04) at 5PM. The primary swell is predicted to be 1.5m and 12s period with a secondary swell of 0.1m and 12s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Hornitos in the next 16 days are 1.7m 16s and forecast to arrive on Thursday (Aug 06) at 2PM. Winds are predicted to be onshore at the time the swell arrives.
| Wave Type | Time (-04) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5PM (Tue 4th Aug) | 5ft (1.5m) 12s |
| Best Surf | 5AM (Wed 5th Aug) | 5ft (1.5m) 12s |
| Most Powerful | 2PM (Thu 6th Aug) | 5.5ft (1.7m) 16s |
Table - best surf conditions forecast for Hornitos over the next 16 days.
The Lowdown
Alright gang, Rusty here with the lowdown on Hornitos. We’ve got a solid run of SW groundswell, but you’ll need to pick your moments for the clean stuff.
The clear winner is today, Tuesday the 4th. Glassy conditions, a 5ft swell from the SW with a 12-second period, and the water is a balmy 66°, which is way warmer than usual for this time of year. The energy is pumping at 619 (moderate). This is the session to be in the water.
After that, it gets a bit rough. From Wednesday the 5th through the rest of the first week, the swell hangs around 5ft to 6ft, but the wind swings to the cross-onshore, making it choppy and bumpy. The period hits 14 seconds on Thursday, which is a quality groundswell, but the wind is just too messy to make it a great paddle. The energy stays solid (up to 997 moderate), but the quality is shot.
We hit a dry spell from the 12th to the 15th. Swell drops below 3ft, the energy fades, and the wind is still no friend. It’s a quiet, poor stretch of surf.
But hang in there. The long-range forecast is cooking again. Sunday the 16th morning is looking glassy with a 4ft SW swell and 12-second period. And the real standout is shaping up for Wednesday the 19th. That morning is flagged for very good conditions: glassy, a 3ft SW groundswell with a 14-second period, and a combined energy of 799 (moderate). It’s a bit far out, but it looks like a beauty.
Hornitos is a consistent, fairly exposed spot that grabs the SW swell. It’s an intermediate break, and you’ll have some company sometimes. The best bets are Tuesday the 4th and the long-range call for the 19th.
Rusty, out.
Short Range ForecastMostly dry. Warm (max 21°C on Tue afternoon, min 17°C on Tue morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 20°C on Fri morning, min 15°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||
Tuesday 4 | Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 9 | SW 9 | SW 9 | SW 14 | SW 14 | SW 13 | SW 13 | SW 16 | SW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 614 | 614 | 635 | 522 | 514 | 448 | 531 | 992 | 899 | 628 | 609 | 231 | 196 | 135 | 176 | 401 | 540 | 769 | 535 | 532 | 821 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | on | cross-on | glassy | cross-on | cross-on | cross | on | cross-on | glassy | on | cross-on | glassy | on | cross-on | glassy | cross-on | cross-on | on |
High Tide | 12:47PM0.90m | 1:45AM0.89m | 1:32PM0.79m | 2:42AM0.92m | 2:31PM0.69m | 3:49AM0.96m | 3:53PM0.61m | 5:02AM1.03m | 5:25PM0.58m | 6:11AM1.11m | 6:43PM0.61m | 7:11AM1.21m | 7:45PM0.66m | ||||||||
Low Tide | 7:15PM0.16m | 7:49AM0.35m | 7:53PM0.19m | 9:08AM0.37m | 8:43PM0.22m | 10:44AM0.35m | 9:48PM0.23m | 12:12PM0.28m | 11:02PM0.22m | 1:19PM0.18m | 00:13AM0.17m | 2:12PM0.10m | 1:16AM0.11m | ||||||||
 | |  | | | | | | | | | | | | | |  |  |  | | | |
 | 7:13 | — | — | 7:13 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — | 7:09 | — | — | 7:09 | — | — |
 | — | 6:21 | — | — | 6:21 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 21 | 18 | 21 | 21 | 19 | 21 | 21 | 19 | 20 | 20 | 17 | 19 | 20 | 18 | 18 | 20 | 19 | 20 | 22 | 21 |
Feels °C | 20 | 21 | 19 | 20 | 20 | 19 | 20 | 20 | 19 | 19 | 19 | 17 | 18 | 18 | 18 | 17 | 18 | 19 | 19 | 21 | 21 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | SW 14 | SW 13 | SW 13 | SW 9 | SW 9 | SW 9 | SW 9 | SW 14 | SW 14 | SW 13 | SW 13 | SW 12 | SW 14 |
| kJ | 614 | 614 | 635 | 522 | 514 | 448 | 531 | 992 | 899 | 628 | 609 | 156 | 196 | 135 | 162 | 401 | 540 | 769 | 535 | 343 | 821 |
Swell 2 Height (m) Direction Period (s) | NW 12 | NW 12 | SW 20 | SW 19 | SW 18 | SW 17 | SW 16 | NW 11 | NW 11 | NW 11 | W 11 | SW 13 | SW 12 | SW 11 | SW 15 | SW 9 | SW 9 | SW 18 | SW 16 | SW 16 | — |
| kJ | 5 | 6 | 16 | 95 | 84 | 188 | 421 | 5 | 5 | 5 | 2 | 231 | 137 | 127 | 176 | 132 | 129 | 249 | 310 | 532 | — |
Swell 3 Height (m) Direction Period (s) | — | — | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | — | — | — | — | SW 18 | SW 16 | SW 16 | SW 11 | SW 11 | SW 20 | — | — | — | — |
| kJ | — | — | 5 | 5 | 6 | 5 | 5 | — | — | — | — | 12 | 42 | 91 | 77 | 58 | 134 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 127 | 61 | 0 | 221 | 299 | 4 | 127 | 221 | 0 | 305 | 305 | 0 | 127 | 305 | 0 | 305 | 305 | 305 |
Best forecast wave conditions in Antofagasta | |||||||||||||||||||||
Best forecast wave conditions in Chile | |||||||||||||||||||||
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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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