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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 7 pm Monday 11 May 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
15.4° C
(Which is 3.1°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 2AM is: 1.1m 15s primary swell from a Southwest direction and 1.0m 10s secondary swell from a South-southwest direction (forecast issued at 07:00pm May 11). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (-04) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 5ft (1.6m) | 15s |
| Afternoon (12 May) | 4.5ft (1.3m) | 14s |
| Evening (12 May) | 4.5ft (1.4m) | 14s |
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 17°C on Thu afternoon, min 14°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 11 | Tuesday 12 | Wednesday 13 | Thu 14 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 | SW 13 | |
437 | 502 | 546 | 589 | 566 | 1155 | 757 | 746 | 726 | 706 | 934 | 570 | 495 | 380 | 380 | 374 | 506 | 386 | 240 | 248 | 330 | 386 | 560 | 501 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | |
High Tide | 4:53PM0.92m | 6:09AM0.79m | 5:43PM0.92m | 6:45AM0.91m | 6:32PM0.91m | 7:22AM1.04m | ||||||||||||||||||
Low Tide | 11:48PM0.17m | 11:45AM0.38m | 00:20AM0.14m | 12:43PM0.30m | 00:53AM0.10m | 1:37PM0.22m | ||||||||||||||||||
 |  | |  | | |  | | | | | |  |  | | | | | | | | | | | |
 | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — |
 | 6:09 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | 6:07 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 15 | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 16 | 17 |
15 | 13 | 12 | 14 | 13 | 13 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 15 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 15 | |
Swell 1 Height (m) Direction Period (s) | SSW 10 | SSW 10 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 | SW 13 |
 kJ | 256 | 231 | 546 | 589 | 566 | 1155 | 757 | 746 | 726 | 706 | 934 | 570 | 495 | 380 | 380 | 374 | 506 | 386 | 240 | 248 | 330 | 386 | 560 | 501 |
Swell 2 Height (m) Direction Period (s) | SW 12 | SW 12 | SSW 10 | SSW 10 | SSW 10 | NW 12 | SSW 10 | SSW 9 | SSW 9 | SSW 9 | NW 15 | SSW 9 | SSW 9 | SSW 9 | SW 16 | SSW 9 | SSW 9 | SW 15 | SW 15 | SSW 5 | SSW 8 | SSW 9 | NW 13 | SW 16 |
| kJ | 295 | 291 | 231 | 192 | 175 | 24 | 145 | 116 | 96 | 94 | 104 | 116 | 90 | 90 | 127 | 90 | 86 | 212 | 209 | 13 | 75 | 86 | 44 | 165 |
Swell 3 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 12 | SW 12 | SW 12 | WSW 12 | NW 12 | NW 15 | NW 15 | NW 15 | SW 18 | NW 15 | NW 15 | SW 16 | NW 15 | SW 16 | NW 14 | NW 13 | NW 13 | SW 15 | NW 13 | NW 13 | SW 18 | NW 13 |
| kJ | 437 | 502 | 172 | 172 | 178 | 14 | 23 | 34 | 54 | 75 | 49 | 104 | 104 | 129 | 54 | 93 | 51 | 44 | 44 | 136 | 44 | 44 | 49 | 45 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | S 3 | SSW 4 | — | — | — | — | SSW 9 | — | — | S 4 | SSW 9 | — | — | SSW 5 | — | SW 5 |
| kJ | — | — | — | — | — | — | — | — | 2 | 4 | — | — | — | — | 90 | — | — | 10 | 84 | — | — | 21 | — | 9 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 360 | 0 | 0 | 0 | 0 | 0 | 360 | 360 | 360 | 360 | 61 | 0 | 0 | 0 | 229 | 360 | 360 | 61 | 35 | 61 | 0 | 0 | 360 | 360 |
Best forecast wave conditions in Antofagasta | ||||||||||||||||||||||||
Best forecast wave conditions in Chile | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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