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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 Tuesday 21 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
16.2° C
(Which is 3.1°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 1PM is: 1.9m 13s primary swell from a South-southwest direction and 0.2m 12s secondary swell from a West-northwest direction, 0.3m 3s secondary swell from a Southwest direction (forecast issued at 07:00am April 21). The wind direction is predicted to be cross-shore.
| Time (-04) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 6ft (1.9m) | 13s |
| Afternoon (21 Apr) | 6ft (1.9m) | 13s |
| Evening (21 Apr) | 6ft (1.9m) | 12s |
Table - waves today at Isla Santa Maria. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 21 | Wednesday 22 | Thursday 23 | Fri 24 | |||||||||||||||||||||
| 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) (?) | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 15 | 15 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1309 | 1180 | 1077 | 1144 | 1126 | 1091 | 1056 | 967 | 443 | 378 | 722 | 710 | 663 | 323 | 311 | 700 | 674 | 588 | 565 | 553 | 576 | 807 | 974 | 1158 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 12:15PM 1.25 | 12:55AM 0.66 | 1:17PM 1.19 | 2:12AM 0.61 | 2:27PM 1.14 | |||||||||||||||||||
Low Tide / height (m) | 5:26AM 0.13 | 7:16PM 0.10 | 6:19AM 0.19 | 8:30PM 0.14 | 7:26AM 0.26 | 9:47PM 0.14 | ||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | Fri 24 | |||||||||||||||||||||
| Sunrise | - | 6:58 | - | - | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 6:58 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:21 | - | - | - |
 |  | | | | | | | | |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 17 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 17 | 17 | 17 | 17 |
| Feels °C (?) | 16 | 16 | 16 | 16 | 16 | 15 | 16 | 17 | 16 | 15 | 16 | 15 | 14 | 15 | 15 | 16 | 16 | 17 | 17 | 16 | 15 | 15 | 15 | 16 |
- 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
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