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Surf Forecasts:
Isla Santa Maria surfForecast / Antofagasta / Chile
48hr Weather and Surf, issued 8 pm Saturday 13 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
17.5° C
(Which is 2.2°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 3AM is: 1.1m 11s primary swell from a Southwest direction and 0.5m 13s secondary swell from a Northwest direction (forecast issued at 08:00pm December 13). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (-04) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 3ft (0.9m) | 11s |
| Afternoon (14 Dec) | 3ft (0.9m) | 15s |
| Evening (14 Dec) | 5.5ft (1.7m) | 13s |
Table - waves today at Isla Santa Maria. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sat 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| 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 | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 11 | 11 | 11 | 16 | 15 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 293 | 283 | 273 | 273 | 273 | 207 | 217 | 314 | 712 | 1018 | 796 | 888 | 875 | 771 | 715 | 1163 | 1197 | 1302 | 1338 | 1460 | 1259 | 1123 | 1236 | 1236 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | 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 | cross | cross | cross- off | cross- off | cross- off | cross- off | glass | cross- on | cross- on | cross- on |
High Tide / height (m) | 6:22PM 0.89 | 6:00AM 0.80 | 7:10PM 0.95 | 6:58AM 0.74 | 7:52PM 1.01 | 7:53AM 0.70 | ||||||||||||||||||
Low Tide / height (m) | 12:27AM 0.38 | 12:27PM 0.18 | 1:34AM 0.35 | 1:07PM 0.20 | 2:30AM 0.30 | 1:44PM 0.21 | ||||||||||||||||||
Sat 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:50 | - | - |
| Sunset | 8:22 | - | - | - | - | - | - | - | 8:22 | - | - | - | - | - | - | - | 8:23 | - | - | - | - | - | - | - |
 |  | | | | | | |  | | |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 17 | 17 | 17 | 17 | 18 | 19 | 19 | 18 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 18 | 19 | 19 |
| Feels °C (?) | 16 | 16 | 17 | 18 | 17 | 18 | 18 | 16 | 15 | 14 | 14 | 14 | 15 | 15 | 14 | 14 | 14 | 15 | 16 | 17 | 18 | 18 | 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)
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