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La Sarena (Avenida del Mar) surfForecast / Antofagasta / Chile
12 Day Weather and Surf, issued 2 pm Thursday 18 Sep 2025 -04
Best Forecast Surf Conditions for La Sarena (Avenida del Mar) this week:
The surf forecast for La Sarena (Avenida del Mar) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 18) at 9PM. The primary swell is predicted to be 0.9m and 10s period with a secondary swell of 0.3m and 13s. Another secondary swell of 0.4m and 4s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at La Sarena (Avenida del Mar) in the next 12 days are 1.6m 10s and forecast to arrive on Monday (Sep 22) at 12AM. 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+) | 9PM (Thu 18th Sep) | 3ft (0.9m) 10s |
| Best Surf | 3AM (Fri 19th Sep) | 3.5ft (1.1m) 10s |
| Most Powerful | 12AM (Mon 22nd Sep) | 5ft (1.6m) 10s |
Table - best surf conditions forecast for La Sarena (Avenida del Mar) over the next 12 days.
Short Range Forecast Mostly dry. Warm (max 20°C on Fri morning, min 12°C on Sat night). Wind will be generally light. | Days 3-6 Weather Summary Mostly dry. Warm (max 22°C on Mon afternoon, min 13°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||
Thu 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | |||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |||
Rating (10 max) | |||||||||||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 10 | 11 | 9 | 13 | 8 | 8 | 9 | 10 | 9 | 9 | 14 | 8 | 8 | 7 | 7 | 14 | 11 | 13 | ||
Wave (?)Graph  | |||||||||||||||||||||||
 kJ (?) | 160 | 208 | 245 | 218 | 245 | 115 | 92 | 110 | 89 | 276 | 527 | 321 | 238 | 181 | 134 | 111 | 119 | 94 | 92 | 109 | 101 | ||
Wind (km/h) | |||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | glass | glass | cross- on | glass | glass | cross- on | glass | glass | cross- on | glass | glass | on | glass | glass | on | glass | glass | on | glass | cross- on | ||
High Tide / height (m) | 9:24PM 1.12 | 9:26AM 1.56 | 10:04PM 1.22 | 10:08AM 1.56 | 10:39PM 1.29 | 10:46AM 1.53 | 11:11PM 1.35 | 11:20AM 1.47 | 11:42PM 1.39 | 11:52AM 1.39 | 12:12AM 1.41 | 12:24PM 1.30 | 12:41AM 1.40 | ||||||||||
Low Tide / height (m) | 3:27PM 0.29 | 2:59AM 0.43 | 4:05PM 0.26 | 3:47AM 0.36 | 4:38PM 0.24 | 4:30AM 0.32 | 5:07PM 0.24 | 5:09AM 0.31 | 5:35PM 0.27 | 5:46AM 0.32 | 6:00PM 0.31 | 6:22AM 0.35 | 6:25PM 0.37 | 6:59AM 0.40 | |||||||||
Thu 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | |||||||||||||||||
| Sunrise | - | - | 7:37 | - | - | 7:37 | - | - | 7:35 | - | - | 7:35 | - | - | 7:33 | - | - | 7:31 | - | - | 7:31 | ||
| Sunset | 7:38 | - | - | 7:38 | - | - | 7:39 | - | - | 7:39 | - | - | 7:40 | - | - | 7:40 | - | - | 7:42 | - | - | ||
 |  | | | | |  |  | | | | | | | | | | | | | | |||
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||
| Temp. °C | 18 | 16 | 20 | 18 | 15 | 18 | 18 | 13 | 16 | 17 | 17 | 21 | 22 | 16 | 18 | 18 | 16 | 21 | 21 | 19 | 18 | ||
| Feels °C (?) | 16 | 15 | 18 | 15 | 14 | 15 | 16 | 13 | 14 | 13 | 15 | 18 | 19 | 15 | 16 | 16 | 15 | 19 | 19 | 18 | 16 | ||
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Recent Eyeball Surf Reports for Antofagasta
Wind reports 7 km away suggest it is still onshore at La Sarena (Avenida del Mar) (moderate winds from the WNW at La Serena/La Florida Airport). 0.9m 10s swell from the WSW with a 0.6m 4s local chop from the SW and a 0.4m 12s groundswell from the SSW. 3 swells combining to make bigger set waves.
1 h 25 min ago
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Information about the La Sarena (Avenida del Mar) Surf forecast
The above surf forecast table for La Sarena (Avenida del Mar) provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at La Sarena (Avenida del Mar) can be found by selecting the local surf guide option on the grey menu. Our La Sarena (Avenida del Mar) 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 (La Sarena (Avenida del Mar)) 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 La Sarena (Avenida del Mar) 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.
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