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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 am Sunday 31 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
18.1° C
(Which is normal for this time of year)How big are the waves at Isla Santa Maria today (31 May):
- Morning surf: Morning surf (31 May, local time) - 6ft (1.8m), 16s period with SW swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 5.5ft (1.7m), 15s period with SW swell.
- Evening surf: Evening surf (31 May, local time) - 4.5ft (1.4m), 14s period with SW swell.
The current surf forecast for Isla Santa Maria at 12PM is: 1.7m 16s primary swell from a Southwest direction and 0.9m 10s secondary swell from a Southwest direction (forecast issued at 07:00am May 31). The wind direction is predicted to be cross-offshore.
| Time (-04) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 6ft (1.8m) | 16s |
| Afternoon (31 May) | 5.5ft (1.7m) | 15s |
| Evening (31 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 Tue afternoon, min 13°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | |
1643 | 1532 | 1384 | 1349 | 992 | 799 | 716 | 639 | 639 | 549 | 431 | 459 | 614 | 602 | 1124 | 1227 | 1367 | 1227 | 1213 | 1303 | 723 | 813 | 909 | 1245 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | 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-off | |
High Tide | 9:27AM1.16m | 9:53PM0.68m | 10:05AM1.16m | 10:35PM0.65m | 10:45AM1.15m | 11:18PM0.63m | ||||||||||||||||||
Low Tide | 2:44AM0.19m | 4:19PM0.14m | 3:20AM0.20m | 5:00PM0.14m | 3:56AM0.21m | 5:44PM0.15m | ||||||||||||||||||
 |  |  | | | |  | | | | | | | | | | | | | | | | | | |
 | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | 7:16 |
 | — | — | — | — | 6:02 | — | — | — | — | — | — | — | 6:02 | — | — | — | — | — | — | — | 6:02 | — | — | 6:02 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 13 | 15 | 15 | 14 | 14 | 14 | 15 | 14 | 14 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 17 | 15 | 14 | 15 | 15 |
11 | 10 | 12 | 12 | 10 | 10 | 11 | 12 | 10 | 10 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 14 | 14 | 15 | 13 | 12 | 13 | 13 | |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 |
 kJ | 1643 | 1532 | 1384 | 1349 | 992 | 799 | 716 | 639 | 639 | 549 | 431 | 459 | 269 | 269 | 1124 | 1227 | 1367 | 1227 | 1213 | 1303 | 719 | 813 | 909 | 1245 |
Swell 2 Height (m) Direction Period (s) | SW 10 | SW 10 | SW 10 | SW 9 | WNW 18 | WNW 18 | SW 9 | SSW 9 | SW 8 | SW 21 | SW 20 | SW 20 | SW 19 | SW 19 | NW 16 | WSW 11 | WSW 11 | SSW 5 | WSW 11 | WSW 10 | SW 19 | SW 19 | SW 19 | WSW 9 |
| kJ | 184 | 163 | 184 | 115 | 31 | 31 | 51 | 132 | 25 | 150 | 186 | 188 | 614 | 602 | 40 | 12 | 40 | 55 | 64 | 58 | 723 | 723 | 627 | 48 |
Swell 3 Height (m) Direction Period (s) | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | NW 12 | SSW 22 | SW 21 | SW 8 | SW 8 | WNW 16 | NW 16 | NW 16 | NW 11 | NW 16 | NW 11 | WSW 11 | SW 22 | NW 11 | WSW 10 | WSW 10 | WSW 10 | SW 20 |
| kJ | 14 | 14 | 14 | 14 | 14 | 14 | 6 | 45 | 72 | 24 | 11 | 25 | 41 | 40 | 5 | 10 | 5 | 68 | 73 | 5 | 77 | 75 | 71 | 244 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SSW 9 | SSW 9 | SSW 5 | SSW 5 | SSW 5 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 5 | SSW 5 | — | SSW 6 | SSW 5 | SSW 5 | SSW 5 | SSW 5 | SSW 5 |
| kJ | — | — | — | — | 121 | 124 | 25 | 28 | 28 | 36 | 53 | 60 | 60 | 49 | 49 | 46 | 42 | — | 47 | 46 | 32 | 31 | 31 | 32 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 360 | 360 | 360 | 360 | 229 | 229 | 35 | 360 | 360 | 360 | 360 | 360 | 277 | 229 | 61 | 61 | 0 | 360 | 360 | 359 | 360 | 229 | 35 |
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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