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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 Thursday 21 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
15.2° C
(Which is 2.9°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: 1.0m 12s primary swell from a South-southwest direction and 0.5m 5s secondary swell from a South-southwest direction, 0.4m 4s secondary swell from a Southwest direction (forecast issued at 07:00pm May 21). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (-04) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | 3ft (0.9m) | 11s |
| Afternoon (22 May) | 2.5ft (0.8m) | 11s |
| Evening (22 May) | 2ft (0.6m) | 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 16°C on Sun afternoon, min 14°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 |  |    |    |    | ||||||||||||||||||||
SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | SW 13 | SW 13 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | |
402 | 301 | 288 | 269 | 218 | 167 | 164 | 140 | 125 | 123 | 140 | 138 | 171 | 257 | 257 | 437 | 371 | 519 | 623 | 777 | 879 | 805 | 795 | 742 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross | cross | |
High Tide | 2:06AM0.67m | 2:08PM1.18m | 3:20AM0.71m | 3:11PM1.09m | 4:29AM0.78m | |||||||||||||||||||
Low Tide | 8:15PM0.06m | 7:22AM0.24m | 9:17PM0.08m | 8:39AM0.30m | 10:14PM0.09m | 10:00AM0.33m | ||||||||||||||||||
 |  | | |  |  | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 7:11 | — | — | — | — | — | — | — | 7:11 | — | — | — | — | — | — | — | 7:13 | — | — | — |
 | 6:06 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | 6:05 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 14 | 15 | 14 | 14 | 14 | 15 | 16 |
12 | 11 | 12 | 12 | 12 | 12 | 12 | 11 | 12 | 11 | 11 | 12 | 13 | 12 | 13 | 12 | 12 | 11 | 13 | 11 | 11 | 11 | 11 | 12 | |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | SSW 10 | SSW 5 | SSW 10 | SSW 10 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 |
 kJ | 402 | 301 | 288 | 269 | 218 | 167 | 164 | 128 | 125 | 123 | 77 | 18 | 140 | 132 | 257 | 437 | 371 | 519 | 623 | 777 | 879 | 805 | 795 | 742 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SSW 5 | SW 15 | SW 15 | SW 15 | SSW 14 | SSW 14 | SSW 14 | SW 13 | SSW 10 | SW 16 | SW 16 | SSW 13 | SSW 9 | SSW 9 | NW 16 | SSW 5 | SSW 5 | NW 12 | NW 12 | NW 12 | NW 12 |
| kJ | 69 | 68 | 67 | 12 | 107 | 107 | 107 | 140 | 81 | 73 | 140 | 75 | 171 | 257 | 65 | 126 | 124 | 66 | 39 | 40 | 22 | 22 | 23 | 23 |
Swell 3 Height (m) Direction Period (s) | NW 12 | SW 13 | NW 12 | SSW 15 | SSW 4 | SSW 4 | SW 12 | SW 12 | SW 12 | SW 18 | SW 18 | SW 13 | SSW 13 | SSW 13 | NW 12 | NW 12 | SW 12 | NW 12 | NW 16 | NW 12 | WSW 8 | WSW 8 | WSW 8 | WSW 8 |
| kJ | 38 | 44 | 39 | 88 | 12 | 8 | 52 | 52 | 51 | 112 | 111 | 138 | 114 | 114 | 24 | 23 | 50 | 22 | 41 | 22 | 6 | 7 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | — | SSW 4 | SSW 5 | SW 4 | — | — | SSW 4 | SSW 4 | SSW 5 | SSW 5 | SSW 5 | — | — | — | SSW 10 | SW 5 | — | SSW 5 | — | — | SSW 5 | SSW 6 | SSW 6 | SSW 6 |
| kJ | — | 15 | 12 | 5 | — | — | 8 | 12 | 12 | 17 | 17 | — | — | — | 132 | 13 | — | 36 | — | — | 42 | 45 | 45 | 57 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 360 | 65 | 0 | 61 | 0 | 61 | 360 | 360 | 360 | 277 | 277 | 0 | 0 | 0 | 360 | 360 | 360 | 277 | 0 | 61 | 35 | 28 | 360 | 360 |
Best forecast wave conditions in Antofagasta | ||||||||||||||||||||||||
Best forecast wave conditions in Chile | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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