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Surf Forecasts:
Isla Santa Maria surfForecast / Antofagasta / Chile
48hr Weather and Surf, issued 8 am Tuesday 16 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 1.2°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 11AM is: 2.3m 11s primary swell from a South-southwest direction and 0.4m 13s secondary swell from a Northwest direction (forecast issued at 08:00am December 16). The wind direction is predicted to be cross-onshore.
| Time (-04) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 7.5ft (2.3m) | 11s |
| Afternoon (16 Dec) | 7.5ft (2.3m) | 11s |
| Evening (16 Dec) | 7.5ft (2.3m) | 12s |
Table - waves today at Isla Santa Maria. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Fri 19 | |||||||||||||||||||||
| 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) (?) | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 11 | 11 | 11 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1259 | 1236 | 1236 | 1236 | 1304 | 1375 | 1294 | 1237 | 1138 | 1119 | 878 | 846 | 757 | 705 | 637 | 637 | 637 | 592 | 604 | 604 | 540 | 418 | 402 | 346 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | cross- on | cross- on | cross | cross- off | glass | cross | cross | glass | cross- on | cross- on | cross | cross- off | glass | glass | glass | glass | cross- on | cross- on | cross | cross- off | glass | cross |
High Tide / height (m) | 7:53AM 0.70 | 8:31PM 1.06 | 8:43AM 0.68 | 9:08PM 1.11 | 9:29AM 0.66 | 9:46PM 1.14 | ||||||||||||||||||
Low Tide / height (m) | 1:44PM 0.21 | 3:18AM 0.24 | 2:22PM 0.21 | 4:00AM 0.20 | 2:59PM 0.21 | |||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Fri 19 | |||||||||||||||||||||
| Sunrise | - | 6:50 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 8:24 | - | - | - | - | - | - | - | 8:24 | - | - | - | - | - | - | - | 8:25 | - | - | - |
 |  | | | |  | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 18 | 19 | 19 | 19 | 18 | 17 | 17 | 17 | 18 | 19 | 19 | 19 | 18 | 18 | 17 | 17 | 18 | 19 | 19 | 19 | 17 | 17 | 18 |
| Feels °C (?) | 18 | 19 | 18 | 18 | 18 | 18 | 18 | 16 | 17 | 19 | 19 | 18 | 18 | 18 | 20 | 18 | 18 | 19 | 18 | 18 | 18 | 17 | 18 | 18 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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