Surf Forecasts:
Hornitos surf forecast from 30 Aug 2026:
- Best quality surf: Friday 4 Sep, 8PM (local time) - 4ft (1.2m), 14s period, SW swell with glassy winds.
- Most powerful swell: Friday 4 Sep, 2PM (local time) - 4.5ft (1.4m), 15s period, SW swell with 773 kJ wave energy.
- Next surfable swell (1★+): Sunday 30 Aug, 8AM (local time) - 4.5ft (1.4m), 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 Sunday (Aug 30) at 8AM. The primary swell is predicted to be 1.4m and 12s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Hornitos in the next 16 days are 1.4m 15s and forecast to arrive on Friday (Sep 04) 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+) | 8AM (Sun 30th Aug) | 4.5ft (1.4m) 12s |
| Best Surf | 8PM (Fri 4th Sep) | 4ft (1.2m) 14s |
| Most Powerful | 2PM (Fri 4th Sep) | 4.5ft (1.4m) 15s |
Table - best surf conditions forecast for Hornitos over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s break it down for Hornitos.
Right off the bat, I’ve gotta be straight with you – this is a pretty flat and quiet stretch ahead. The water’s sitting at 65°F which is much warmer than normal for this time of year, so that’s something to note if you’re paddling out.
The first session that’s even worth a look is Sunday morning, the 30th of August. We’ve got a 4 ft swell rolling in from the WSW with a 12-second period. The combined energy is moderate (488), but the wind is cross-on at 6 mph, and the report calls it marginal. It’s not going to be pretty, but it’s the only thing that’s not a total write-off right now.
Monday the 31st through Tuesday the 1st of September stays small, with swell around 4 ft to 4 ft and the same cross-on or onshore wind. The energy drops a bit, and it’s still just marginal. Not the kind of day you’d rush out for.
Wednesday the 2nd of September, the swell drops to 3 ft, but the wind goes onshore and light, and the period drops to 9 seconds. Marginal again, but tiny.
Thursday the 3rd of September is interesting – the swell is only 2 ft to 3 ft, but the period jumps way up to 18 seconds. That’s a very long period groundswell, but at this size it’s barely going to show. Combined energy is still moderate (438-468). For a reef or point, that long period would be a dream, but Hornitos is a beach setup, so those long lines might just roll through without much shape. Still, if you’re desperate, Thursday afternoon might have a clean little wave.
Friday the 4th of September actually looks like the best of the bunch. Swell picks up to 4 ft to 4 ft from the SW, period stays long at 15 seconds, and the combined energy jumps to 599 in the morning and 718 in the afternoon – that’s moderate to strong energy. Wind is onshore and light, so it’s clean. This is the standout. If you can only paddle out once in the next two weeks, make it Friday afternoon. It’s not huge, but it’s the most energy and the cleanest conditions we’ll see.
After that, it’s a slow bleed. Saturday the 5th of September through to Monday the 14th of September is mostly poor surf conditions or marginal at best. Swell hangs around 2 ft to 3 ft, with periods dropping from 13 seconds down to 11 seconds. Combined energy weakens into the 200s. The wind is often cross-on or onshore, and it’s just not going to be fun. A few days in there, like the 10th and 11th, are straight-up poor.
Honestly, if you’re not sold on that Friday the 4th, you’re looking at a long wait. The gaps are real – days of nothing worth chasing. The setup is more interesting for a kite surfer than a paddle surfer on most of these days, especially with the cross-on breeze and small ripples.
Keep your eyes on Friday the 4th of September, that’s your best bet. After that, forecasts might change, but right now it’s a quiet run.
Rusty.
Short Range ForecastMostly dry. Warm (max 24°C on Mon afternoon, min 16°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 22°C on Thu afternoon, min 16°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | |||||||||||||||
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) | WSW 12 | WSW 12 | WSW 12 | SW 11 | SW 11 | SW 12 | SW 11 | SW 11 | SW 11 | SW 10 | WSW 9 | SW 19 | SW 18 | SW 16 | WSW 16 | SW 15 | SW 15 | SW 14 | SW 13 | WSW 13 | SW 13 |
Wave Graph | |||||||||||||||||||||
488 | 464 | 365 | 288 | 366 | 202 | 380 | 303 | 268 | 234 | 138 | 281 | 312 | 395 | 330 | 489 | 623 | 418 | 342 | 295 | 196 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross | on | on | cross | cross-on | on | glassy | cross-on | cross-on | glassy | on | on | glassy | on | cross-on | glassy |
High Tide | 10:32AM1.08m | 11:02PM0.95m | 11:06AM1.00m | 11:39PM0.99m | 11:42AM0.91m | 00:20AM1.00m | 12:24PM0.80m | 1:10AM1.00m | 1:16PM0.69m | 2:13AM0.99m | 2:30PM0.60m | 3:30AM1.00m | 4:10PM0.56m | 4:52AM1.05m | |||||||
Low Tide | 4:55PM0.07m | 5:00AM0.16m | 5:23PM0.09m | 5:46AM0.20m | 5:53PM0.13m | 6:39AM0.24m | 6:28PM0.17m | 7:45AM0.29m | 7:13PM0.22m | 9:12AM0.31m | 8:14PM0.26m | 10:51AM0.28m | 9:37PM0.28m | ||||||||
6:52 | — | — | 6:52 | — | — | 6:50 | — | — | 6:50 | — | — | 6:48 | — | — | 6:48 | — | — | 6:47 | — | — | |
— | 6:30 | — | — | 6:30 | — | — | 6:30 | — | — | 6:30 | — | — | 6:30 | — | — | 6:30 | — | — | 6:31 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 21 | 18 | 23 | 24 | 22 | 22 | 22 | 19 | 20 | 20 | 18 | 20 | 22 | 20 | 21 | 22 | 20 | 22 | 23 | 21 |
Feels °C | 19 | 19 | 17 | 21 | 22 | 20 | 21 | 21 | 20 | 20 | 20 | 19 | 19 | 21 | 20 | 21 | 21 | 21 | 21 | 22 | 21 |
Swell 1 Height (m) Direction Period (s) | WSW 12 | WSW 12 | WSW 12 | SW 11 | SW 11 | SW 12 | SW 11 | SW 11 | SW 11 | SW 10 | WSW 9 | WSW 9 | SW 18 | SW 16 | WSW 16 | SW 15 | SW 15 | SW 14 | SW 13 | WSW 13 | SW 13 |
488 | 464 | 365 | 288 | 366 | 202 | 380 | 303 | 268 | 234 | 138 | 94 | 312 | 395 | 330 | 489 | 623 | 418 | 342 | 295 | 196 | |
Swell 2 Height (m) Direction Period (s) | — | NW 12 | SW 20 | SW 18 | SW 13 | SW 16 | SW 18 | SW 15 | SW 19 | SW 18 | SW 19 | SW 19 | WSW 9 | SW 9 | SW 14 | SW 10 | SW 9 | SW 9 | SW 9 | SW 9 | SW 10 |
— | 6 | 15 | 13 | 28 | 41 | 109 | 77 | 175 | 116 | 127 | 281 | 78 | 41 | 91 | 110 | 95 | 128 | 83 | 84 | 74 | |
Swell 3 Height (m) Direction Period (s) | — | W 20 | — | — | SW 18 | WSW 20 | — | SW 19 | — | SW 14 | SW 14 | SW 10 | SW 10 | WSW 9 | SW 9 | — | — | — | SW 23 | SW 21 | SW 20 |
— | 8 | — | — | 50 | 37 | — | 94 | — | 64 | 64 | 25 | 48 | 32 | 39 | — | — | — | 21 | 18 | 61 | |
Wind waves Height (m) Direction Period (s) | — | — | — | SW 6 | — | SW 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | 15 | — | 115 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 305 | 305 | 4 | 305 | 305 | 172 | 127 | 61 | 51 | 78 | 78 | 0 | 305 | 290 | 0 | 305 | 127 | 0 | 127 | 179 | 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.











