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Isla Santa Maria Surf Forecast
/ Antofagasta (21 surf breaks) /
Surf Forecasts:
Isla Santa Maria surfForecast / Antofagasta / Chile
48hr Weather and Surf, issued 7 am Friday 17 Apr 2026 -04Forecast update in hr min s Forecast update imminent
Isla Santa Maria surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Isla Santa Maria sea temperature is
17.4° C
(Which is 2.1°C colder than average for this time of year)How big are the waves at Isla Santa Maria today?
The current surf forecast for Isla Santa Maria at 10AM is: 2.0m 14s primary swell from a Southwest direction and 0.4m 16s secondary swell from a Northwest direction (forecast issued at 07:00am April 17). The wind direction is predicted to be cross-shore.
| Time (-04) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Apr) | 7ft (2.1m) | 14s |
| Afternoon (17 Apr) | 6ft (1.9m) | 14s |
| Evening (17 Apr) | 6ft (1.8m) | 14s |
Table - waves today at Isla Santa Maria. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 17 | Saturday 18 | Sunday 19 | Mon 20 | |||||||||||||||||||||
| 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1736 | 1736 | 1512 | 1491 | 1470 | 1255 | 996 | 2320 | 2352 | 2233 | 2117 | 2328 | 2328 | 2328 | 2517 | 2794 | 2869 | 2869 | 2655 | 2585 | 2517 | 2173 | 2114 | 1836 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off | glass |
High Tide / height (m) | 9:11AM 1.16 | 9:23PM 0.96 | 9:50AM 1.24 | 10:09PM 0.90 | 10:33AM 1.28 | 10:57PM 0.82 | ||||||||||||||||||
Low Tide / height (m) | 2:50AM 0.03 | 3:31PM 0.07 | 3:23AM 0.03 | 4:20PM 0.04 | 4:00AM 0.04 | 5:13PM 0.04 | ||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | Mon 20 | |||||||||||||||||||||
| Sunrise | - | 6:56 | - | - | - | - | - | - | - | 6:56 | - | - | - | - | - | - | - | 6:56 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:25 | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:24 | - | - | - |
 |  | |  | | | | | | | | | |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 18 | 18 | 19 | 18 | 17 | 17 | 17 | 17 | 18 | 19 | 19 | 19 | 17 | 17 | 16 | 16 | 17 | 19 | 19 | 19 | 17 | 17 | 17 |
| Feels °C (?) | 18 | 18 | 15 | 17 | 17 | 16 | 16 | 17 | 17 | 18 | 19 | 18 | 18 | 17 | 17 | 16 | 17 | 17 | 19 | 19 | 19 | 17 | 18 | 18 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Isla Santa Maria surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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