Surf Forecasts:
Hornitos surf forecast from 28 Aug 2026:
- Best quality surf: Friday 28 Aug, 8AM (local time) - 7ft (2.1m), 15s period, SW swell with glassy winds.
- Most powerful swell: Friday 28 Aug, 8AM (local time) - 7ft (2.1m), 15s period, SW swell with 2,014 kJ wave energy.
- Next surfable swell (1★+): Friday 28 Aug, 8AM (local time) - 7ft (2.1m), 15s 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 Friday (Aug 28) at 8AM. The primary swell is predicted to be 2.1m and 15s 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 2.1m 15s and forecast to arrive on Friday (Aug 28) 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 (Fri 28th Aug) | 7ft (2.1m) 15s |
| Best Surf | 8AM (Fri 28th Aug) | 7ft (2.1m) 15s |
| Most Powerful | 8AM (Fri 28th Aug) | 7ft (2.1m) 15s |
Table - best surf conditions forecast for Hornitos over the next 16 days.
The Lowdown
Alright buddies, Rusty here to break down the next two weeks at Hornitos for those of you who think in feet and knots. Water temp is a toasty 65°F, a good 5°F warmer than normal for this time of year – feels like the tail end of summer is hanging on.
The swell comes in with some size straight away on Friday the 28th. We’ve got swell from the southwest at 7ft with a long 15-second period, and it’s packing some serious punch – combined energy is 1810, that’s strong. But the wind is onshore from the WSW at 6 mph in the morning, so while the interval is long and clean, the surface will be bumpy. It’ll be a tough paddle and a bumpy ride – only for the committed. The afternoon gets worse with a cross-on breeze up to 9 mph making it choppy.
Saturday the 29th drops to 6ft in the morning, still from the WSW and a 13-second period. Winds are cross-on at 6 mph. It’s a marginal situation, and by the afternoon it’s 5ft with more cross-on wind at 9 mph – pretty poor, not worth rushing.
Sunday the 30th, we get a slim window. Swell is down to 4ft, period back to 12 seconds. But here’s the key – the morning wind turns offshore from the west at only 3 mph. That’s near glassy. While the swell is smaller and the direction isn't perfect (WSW), the clean surface is a rare gem. The energy is at 488, so it’s not heavy, but for a fun, groomed session on a log, that short stretch is your best chance. The afternoon goes back to cross-on, so don't hang about.
From Monday the 31st through to the morning of Thursday the 3rd of September, the swell drops under 4ft with periods down to 10 seconds and weak, choppy cross-winds. It’s flat and ugly.
Thursday the 3rd of September sees a little lift. The afternoon swell ticks up to 3ft, but with a very long 16-second period. The combined energy goes to 500. Winds are still cross-on from the WSW at 6 mph. That long period on a beach break like this can make it straight and dumpy – more interesting for the kite surfers than for paddlers. Not a great day for a clean ride.
Into the first week of September – around the 4th and 5th you’ll see swell of 4ft to 5ft from the SW. Winds stay light and cross-off/onshore, keeping it clean but small. The afternoon of the 5th gets a little better at 5ft with a 12-second period (energy 677), but the cross-on breeze means it’s still bumpy. It’s all marginal.
The second week, from September 8th, gets one more pulse. On the morning of Tuesday the 8th, the swell hits 4ft with a very long 17-second period. The combined energy hits 1029 (moderate/strong). The wind is light and offshore (WSW). That 17-second period is very long – it will wrap unpredictably, and likely close out at the beach breaks, so it’s only worth a look if you pick the right sandbank. The afternoon kicks up a cross-on breeze again.
After the 8th, it tapers off. From the 9th to the 12th of September, the swell drops back below 3ft, winds settle into a steady cross-on 9 mph from the SW. Energy drops down to the 200s. It’s weak and choppy, not a lot to offer.
For the standout, take that Sunday the 30th of August morning – the 4ft clean glass makes it the best bet for a relaxing, small-wave session without the drama. If you want the most power and don’t mind a bumpy surface, the morning of September 8th with its 4ft and long period offers the biggest grunt. Everything else is pretty much a write-off.
Rusty.
Short Range ForecastMostly dry. Warm (max 21°C on Sat morning, min 16°C on Fri morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 23°C on Mon morning, min 15°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | |||||||||||||||
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 15 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | SW 13 | WSW 12 | WSW 12 | SW 12 | SW 11 | SW 11 | SW 12 | SW 12 | SW 11 | SW 11 | SW 10 | SW 10 | SW 18 | SW 18 | SW 16 | SW 16 |
Wave Graph | |||||||||||||||||||||
1810 | 1644 | 1126 | 961 | 772 | 647 | 488 | 464 | 400 | 373 | 366 | 400 | 337 | 308 | 229 | 148 | 137 | 166 | 312 | 390 | 580 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | glassy | cross-on | cross-on | glassy | on | cross-on | glassy | cross-on | cross-on | cross | cross-on | cross-on | glassy | on | on | glassy | cross-on | cross-on | glassy |
High Tide | 9:29AM1.16m | 9:56PM0.85m | 10:01AM1.13m | 10:28PM0.91m | 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 | |||||||
Low Tide | 4:03PM0.07m | 3:40AM0.13m | 4:28PM0.06m | 4:18AM0.14m | 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 | ||||||||
6:54 | — | — | 6:54 | — | — | 6:52 | — | — | 6:52 | — | — | 6:50 | — | — | 6:50 | — | — | 6:48 | — | — | |
— | 6:29 | — | — | 6:30 | — | — | 6:30 | — | — | 6:30 | — | — | 6:30 | — | — | 6:30 | — | — | 6:30 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 20 | 19 | 21 | 21 | 19 | 21 | 21 | 19 | 23 | 23 | 22 | 22 | 22 | 20 | 19 | 21 | 18 | 20 | 22 | 19 |
Feels °C | 18 | 19 | 19 | 20 | 20 | 19 | 20 | 20 | 19 | 21 | 20 | 21 | 21 | 21 | 21 | 18 | 20 | 18 | 19 | 20 | 20 |
Swell 1 Height (m) Direction Period (s) | SW 15 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | SW 13 | WSW 12 | WSW 12 | SW 12 | SW 11 | SW 11 | SW 12 | SW 12 | SW 11 | SW 11 | SW 10 | SW 10 | WSW 10 | SW 18 | SW 16 | SW 16 |
1810 | 1644 | 1126 | 961 | 772 | 647 | 488 | 464 | 400 | 373 | 366 | 400 | 337 | 308 | 229 | 148 | 137 | 81 | 312 | 390 | 580 | |
Swell 2 Height (m) Direction Period (s) | — | — | NW 13 | NW 13 | — | NW 12 | — | NW 12 | SW 20 | SW 18 | SW 13 | SW 16 | SW 18 | SW 15 | SW 19 | SW 18 | SW 19 | SW 18 | WSW 9 | SW 10 | SW 9 |
— | — | 7 | 7 | — | 6 | — | 6 | 15 | 13 | 63 | 41 | 109 | 77 | 175 | 116 | 127 | 166 | 59 | 77 | 79 | |
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 | WSW 9 |
— | — | — | — | — | — | — | 8 | — | — | 51 | 37 | — | 94 | — | 65 | 64 | 48 | 49 | 33 | 8 | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 127 | 305 | 0 | 127 | 305 | 0 | 305 | 305 | 0 | 305 | 305 | 127 | 127 | 78 | 0 | 78 | 179 | 0 | 305 | 221 | 0 |
Best forecast wave conditions in Antofagasta | |||||||||||||||||||||
Best forecast wave conditions in Chile | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)
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.











