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Surf Forecasts:
Isla Santa Maria surfForecast / Antofagasta / Chile
48hr Weather and Surf, issued 8 am Wednesday 10 Dec 2025 -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
18.7° C
(Which is slightly cooler than normal)How big are the waves at Isla Santa Maria today?
The current surf forecast for Isla Santa Maria at 2PM is: 1.0m 16s primary swell from a West-northwest direction and 1.0m 12s secondary swell from a Southwest direction, 0.4m 5s secondary swell from a Southwest direction (forecast issued at 08:00am December 10). The wind direction is predicted to be cross-shore.
| Time (-04) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Dec) | 3.5ft (1.0m) | 16s |
| Afternoon (10 Dec) | 3.5ft (1.0m) | 16s |
| Evening (10 Dec) | 3.5ft (1.0m) | 16s |
Table - waves today at Isla Santa Maria. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 10 | Thursday 11 | Friday 12 | Sat 13 | |||||||||||||||||||||
| 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 12 | 12 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 545 | 539 | 539 | 532 | 532 | 525 | 519 | 430 | 372 | 287 | 279 | 272 | 272 | 268 | 268 | 268 | 264 | 264 | 236 | 228 | 250 | 182 | 179 | 179 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross | cross | cross | cross | cross- off | cross- off | glass | cross- off | cross | cross- on | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 3:15PM 0.72 | 3:07AM 1.10 | 4:22PM 0.76 | 4:04AM 0.99 | 5:26PM 0.82 | |||||||||||||||||||
Low Tide / height (m) | 9:16AM 0.06 | 8:34PM 0.28 | 10:09AM 0.10 | 9:49PM 0.35 | 10:59AM 0.13 | 11:09PM 0.39 | ||||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | Sat 13 | |||||||||||||||||||||
| Sunrise | - | 6:48 | - | - | - | - | - | - | - | 6:48 | - | - | - | - | - | - | - | 6:48 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 8:21 | - | - | - | - | - | - | - | 8:22 | - | - | - | - | - | - | - | 8:22 | - | - | - |
 |  |  | | | |  | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 18 | 19 | 19 | 19 | 18 | 17 | 17 | 17 | 18 | 19 | 19 | 18 | 17 | 17 | 17 | 17 | 18 | 19 | 19 | 18 | 17 | 17 | 17 |
| Feels °C (?) | 19 | 18 | 17 | 17 | 16 | 16 | 16 | 18 | 17 | 18 | 18 | 17 | 16 | 16 | 16 | 17 | 16 | 17 | 18 | 17 | 15 | 15 | 16 | 17 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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