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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 1 am Tuesday 28 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
14.7° C
(Which is 4.2°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 9AM is: 1.5m 12s primary swell from a South-southwest direction and 1.5m 10s secondary swell from a South-southwest direction (forecast issued at 01:00am April 28). The wind direction is predicted to be cross-shore.
| Time (-04) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Apr) | 5ft (1.5m) | 12s |
| Afternoon (28 Apr) | 6ft (1.9m) | 12s |
| Evening (28 Apr) | 5.5ft (1.7m) | 12s |
Table - waves today at Isla Santa Maria. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 18°C on Wed afternoon, min 15°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 28 | Wednesday 29 | Thursday 30 | ||||||||||||||||||||||
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 | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 9 | SSW 9 | SSW 16 | SSW 16 | |
1700 | 1481 | 679 | 598 | 1045 | 1027 | 1027 | 491 | 421 | 319 | 307 | 300 | 286 | 280 | 288 | 261 | 254 | 254 | 171 | 171 | 233 | 280 | 452 | 715 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | glassy | cross-off | cross-on | cross-on | cross | cross-off | cross-off | glassy | glassy | glassy | cross-on | cross | cross | cross-off | cross-off | |
High Tide | 7:33AM0.97m | 7:30PM0.97m | 8:09AM1.05m | 8:11PM0.92m | 8:42AM1.11m | 8:51PM0.87m | ||||||||||||||||||
Low Tide | 1:34PM0.22m | 1:48AM0.08m | 2:22PM0.18m | 2:18AM0.09m | 3:05PM0.15m | |||||||||||||||||||
 |  |  | | |  | | | | | | | | | | | | | | | | | | | |
 | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:15 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 15 | 16 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 18 | 17 | 16 | 15 | 15 | 15 | 15 | 16 | 17 | 17 | 16 | 15 |
14 | 15 | 15 | 15 | 15 | 13 | 14 | 14 | 15 | 16 | 16 | 17 | 18 | 16 | 16 | 15 | 16 | 16 | 16 | 16 | 17 | 16 | 15 | 14 | |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 10 | SSW 10 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 9 | SSW 9 | SSW 8 | SSW 16 |
 kJ | 1700 | 1481 | 411 | 411 | 1045 | 1027 | 1027 | 491 | 249 | 264 | 307 | 300 | 286 | 280 | 288 | 261 | 254 | 254 | 171 | 171 | 233 | 280 | 222 | 715 |
Swell 2 Height (m) Direction Period (s) | NW 12 | NW 18 | SSW 13 | SSW 12 | NW 11 | NW 18 | NW 17 | SSW 9 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SW 12 | SW 12 | SW 12 | SSW 10 | SSW 10 | SW 11 | SW 16 | SSW 16 | SSW 8 |
| kJ | 6 | 12 | 679 | 598 | 5 | 12 | 12 | 244 | 421 | 319 | 265 | 219 | 215 | 151 | 68 | 110 | 86 | 49 | 95 | 63 | 80 | 268 | 452 | 222 |
Swell 3 Height (m) Direction Period (s) | NW 18 | NW 12 | NW 18 | NW 18 | NW 18 | NW 11 | NW 13 | NW 16 | WNW 16 | WNW 16 | WNW 16 | WNW 16 | WNW 16 | SW 12 | SW 12 | SSW 11 | SSW 11 | NW 15 | SW 12 | SW 11 | SW 16 | SW 11 | SW 11 | SW 11 |
| kJ | 13 | 5 | 12 | 12 | 12 | 5 | 7 | 11 | 26 | 26 | 26 | 26 | 26 | 23 | 53 | 40 | 40 | 56 | 48 | 46 | 132 | 43 | 63 | 41 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 360 | 360 | 360 | 277 | 35 | 0 | 0 | 0 | 184 | 360 | 49 | 0 | 0 | 0 | 0 | 0 | 184 | 184 | 237 | 0 | 0 |
Best forecast wave conditions in Antofagasta | ||||||||||||||||||||||||
Best forecast wave conditions in Chile | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
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Ocean Swells (m)- Wind Speed (km/h)
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