Surf Forecasts:
Hornitos surf forecast from 29 Jul 2026:
- Best quality surf: Wednesday 29 Jul, 8AM (local time) - 5ft (1.6m), 13s period, SW swell with glassy winds.
- Most powerful swell: Wednesday 29 Jul, 8AM (local time) - 5ft (1.6m), 13s period, SW swell with 816 kJ wave energy.
- Next surfable swell (1★+): Wednesday 29 Jul, 8AM (local time) - 5ft (1.6m), 13s 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 Wednesday (Jul 29) at 8AM. The primary swell is predicted to be 1.6m and 13s period with a secondary swell of 0.2m and 14s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Hornitos in the next 16 days are 1.6m 13s and forecast to arrive on Wednesday (Jul 29) at 8AM. Winds are predicted to be glassy at the time the swell arrives.
| Wave Type | Time (-04) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Wed 29th Jul) | 5ft (1.6m) 13s |
| Best Surf | 8AM (Wed 29th Jul) | 5ft (1.6m) 13s |
| Most Powerful | 8AM (Wed 29th Jul) | 5ft (1.6m) 13s |
Table - best surf conditions forecast for Hornitos over the next 16 days.
The Lowdown
Alright folks, let's break it down.
The first few days around Hornitos are a bit lackluster. From Wednesday the 29th of July through the start of August, it's mostly marginal or poor. You’re looking at 3 to 4 foot swell, but the wind is mostly cross-on, messing up the surface. The energy is weak to moderate, with combined energy values between 195 and 491. Not much to get excited about.
However, you've got a solid option on Thursday the 30th of July afternoon. The wind goes glassy, and a 3-foot groundswell from the WSW with a 13-second period rolls in. That’s clean and lined up. The spot is consistent and fairly exposed, so it’ll catch it. That long period groundswell will make for some nice peeling waves, especially at a reefy point. Crowds are sometimes a thing here.
The big one to circle is Saturday the 8th of August. The swell bumps up to 6 feet from the SW, with an 11-second period. The morning is glassy, dead calm. The energy is pumping hard (838). That’s a proper intermediate swell, and with that offshore glass, Hornitos will be firing. That morning session is your best bet of the whole outlook.
The rest of the second week sees 4 to 6 foot swell coming through, but the wind is mostly cross-on, so the quality is average. Energy holds up (590 to 846), but it's not as clean.
By Wednesday the 12th of August, the swell drops to 3-4 feet with a short 8-second period, and the energy fades to weak (172-311). Not much left.
So the standout is Saturday the 8th of August morning. Thursday the 30th of July afternoon is a nice clean session for the near term. For beginners, that 6-foot swell on the 8th is a bit much—stick to the smaller, cleaner days. Water temp is about normal for this time of year.
Rusty, signing off.
Short Range ForecastMostly dry. Warm (max 24°C on Wed morning, min 16°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 23°C on Sat morning, min 18°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | ||||||||||||||
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 13 | WSW 12 | WSW 12 | WSW 12 | WSW 13 | WSW 12 | WSW 12 | WSW 11 | SW 11 | WSW 10 | WSW 10 | WSW 9 | SW 12 | SW 12 | SSW 12 | SW 8 | WSW 12 | SW 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 724 | 382 | 480 | 472 | 384 | 351 | 174 | 180 | 211 | 334 | 272 | 261 | 172 | 349 | 144 | 90 | 142 | 180 | 399 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | on | cross-on | cross | cross-on | glassy | on | on | glassy | cross | cross-on | cross-on | glassy | cross-on | cross-on | glassy | cross-on | cross-on | glassy |
High Tide | 9:19PM0.66m | 9:29AM1.17m | 9:55PM0.69m | 10:03AM1.18m | 10:30PM0.72m | 10:35AM1.17m | 11:05PM0.76m | 11:06AM1.14m | 11:40PM0.79m | 11:38AM1.08m | 00:18AM0.82m | 12:11PM0.99m | 00:58AM0.86m | ||||||
Low Tide | 2:45AM0.17m | 4:18PM0.11m | 3:22AM0.15m | 4:49PM0.09m | 3:59AM0.16m | 5:18PM0.09m | 4:36AM0.18m | 5:46PM0.10m | 5:15AM0.21m | 6:14PM0.11m | 5:58AM0.26m | 6:43PM0.13m | |||||||
 |  | | | | | | | |  |  | | | | | | | | | |
 | — | 7:16 | — | — | 7:16 | — | — | 7:15 | — | — | 7:15 | — | — | 7:13 | — | — | 7:13 | — | — |
 | 6:17 | — | 6:17 | — | — | 6:19 | — | — | 6:19 | — | — | 6:20 | — | — | 6:20 | — | — | 6:20 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 24 | 23 | 22 | 20 | 20 | 20 | 21 | 22 | 21 | 23 | 23 | 19 | 22 | 22 | 20 | 23 | 23 | 21 |
Feels °C | 21 | 23 | 23 | 22 | 19 | 20 | 20 | 20 | 22 | 19 | 22 | 22 | 19 | 20 | 20 | 19 | 22 | 22 | 20 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 11 | WSW 12 | WSW 12 | WSW 12 | WSW 13 | WSW 12 | WSW 12 | WSW 11 | SW 11 | WSW 10 | WSW 10 | WSW 9 | SW 12 | SW 12 | SW 7 | SW 8 | SW 8 | SW 11 |
| kJ | 724 | 263 | 480 | 472 | 384 | 351 | 174 | 180 | 211 | 334 | 272 | 261 | 172 | 349 | 144 | 86 | 142 | 120 | 399 |
Swell 2 Height (m) Direction Period (s) | WSW 14 | SW 13 | W 13 | WNW 13 | SSW 10 | SSW 9 | SSW 8 | SSW 8 | SSW 8 | WSW 16 | SW 16 | SW 16 | SW 10 | WSW 14 | WSW 13 | SSW 12 | WSW 10 | WSW 12 | NW 12 |
| kJ | 168 | 382 | 3 | 17 | 10 | 8 | 7 | 6 | 6 | 26 | 65 | 61 | 36 | 75 | 99 | 90 | 38 | 180 | 6 |
Swell 3 Height (m) Direction Period (s) | WNW 14 | SSW 11 | NW 14 | — | W 13 | W 13 | NW 13 | SW 15 | SW 18 | — | — | SW 12 | WSW 14 | WSW 10 | W 12 | WSW 10 | SSW 11 | SSW 11 | W 20 |
| kJ | 20 | 12 | 8 | — | 3 | 3 | 7 | 9 | 12 | — | — | 23 | 82 | 10 | 3 | 52 | 47 | 12 | 8 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SW 3 | — | — | — | — | — | SW 8 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | 113 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 172 | 127 | 305 | 51 | 127 | 0 | 127 | 305 | 0 | 84 | 172 | 127 | 0 | 305 | 305 | 0 | 127 | 305 | 0 |
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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