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Surf Forecasts:
Isla Santa Maria surfForecast / Antofagasta / Chile
48hr Weather and Surf, issued 2 am Saturday 06 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
18.5° 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 8AM is: 1.8m 14s primary swell from a Southwest direction and 0.5m 16s secondary swell from a Northwest direction (forecast issued at 02:00am December 06). The wind direction is predicted to be glassy and the swell rating is 4.
| Time (-04) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 Dec) | 6ft (1.8m) | 14s |
| Afternoon (06 Dec) | 6ft (1.8m) | 14s |
| Evening (06 Dec) | 5.5ft (1.7m) | 14s |
Table - waves today at Isla Santa Maria. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 06 | Sunday 07 | Monday 08 | ||||||||||||||||||||||
| 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 | 6 PM | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 20 | 12 | 12 | 19 | 18 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 568 | 1109 | 1154 | 1285 | 1285 | 1285 | 712 | 1227 | 1176 | 1077 | 1077 | 1061 | 972 | 958 | 928 | 871 | 746 | 816 | 816 | 790 | 605 | 595 | 566 | 666 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | glass | glass | cross- on | cross | cross | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross- off |
High Tide / height (m) | 10:40PM 1.40 | 11:13AM 0.73 | 11:31PM 1.41 | 12:09PM 0.71 | 12:24AM 1.37 | 1:08PM 0.69 | ||||||||||||||||||
Low Tide / height (m) | 5:35AM -0.02 | 4:43PM 0.05 | 6:30AM -0.02 | 5:35PM 0.08 | 7:25AM -0.00 | 6:30PM 0.14 | ||||||||||||||||||
Saturday 06 | Sunday 07 | Monday 08 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:47 | - | - | - | - | - | - | - | 6:48 | - | - | - | - | - | - | - | 6:48 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 8:17 | - | - | - | - | - | - | - | 8:19 | - | - | - | - | - | - | - | 8:20 | - |
 | | |  | |  | |  | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 17 | 17 | 17 | 18 | 19 | 18 | 16 | 16 | 17 | 16 | 17 | 18 | 18 | 18 | 16 | 17 | 17 | 17 | 17 | 18 | 19 | 18 | 17 |
| Feels °C (?) | 18 | 18 | 18 | 18 | 18 | 18 | 16 | 15 | 15 | 17 | 15 | 16 | 16 | 15 | 16 | 14 | 16 | 16 | 16 | 16 | 16 | 17 | 16 | 16 |
- 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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