Surf Forecasts:
How big are the waves at Isla Santa Maria today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 3.5ft (1.1m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 4.5ft (1.4m), 13s period with W swell.
- Evening surf: Evening surf (18 Aug, local time) - 4.5ft (1.3m), 13s period with SW swell.
The current surf forecast for Isla Santa Maria at 9AM is: 1.1m 13s primary swell from a Southwest direction and 0.9m 11s secondary swell from a West-northwest direction (forecast issued at 01:00am August 18). The wind direction is predicted to be cross-onshore.
| Time (-04) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 3.5ft (1.1m) | 13s |
| Afternoon (18 Aug) | 4.5ft (1.4m) | 13s |
| Evening (18 Aug) | 4.5ft (1.3m) | 13s |
Table - waves today at Isla Santa Maria. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Tue night. Very mild (max 19°C on Thu morning, min 15°C on Tue night). Winds increasing (calm on Tue night, fresh winds from the SSW by Wed night). | ||||||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | ||||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 14 | SW 14 | SW 13 | WSW 13 | W 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 15 | SW 15 | SW 14 | SW 14 | SSW 7 | SSW 8 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 368 | 357 | 398 | 632 | 673 | 394 | 591 | 301 | 520 | 503 | 551 | 593 | 415 | 472 | 513 | 358 | 444 | 447 | 606 | 536 | 536 | 521 | 465 | 347 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross | cross-on | cross-on | cross-on | cross | cross | cross-off | glassy | cross-off | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross |
High Tide | 1:09AM0.99m | 1:10PM0.83m | 2:00AM0.96m | 2:01PM0.71m | 2:58AM0.93m | 3:07PM0.61m | ||||||||||||||||||
Low Tide | 7:22AM0.27m | 7:21PM0.19m | 8:29AM0.34m | 8:02PM0.26m | 9:55AM0.37m | 8:54PM0.32m | ||||||||||||||||||
 | |  | | |  |  | |  |  |  | | | | | | | | | | | |  | | |
 | — | 7:05 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:27 | — | — |
mm | 1 | 1 | — | — | — | 2 | 9 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 18 | 18 | 18 | 18 | 16 | 15 | 16 | 16 | 16 | 16 | 17 | 16 | 16 | 16 | 16 | 17 | 17 | 18 | 19 | 18 | 18 | 16 | 17 |
Feels °C | 13 | 16 | 15 | 14 | 14 | 11 | 11 | 14 | 15 | 15 | 14 | 14 | 11 | 11 | 10 | 11 | 12 | 13 | 15 | 15 | 16 | 15 | 14 | 16 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 13 | WSW 13 | W 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 10 | SSW 10 | SW 14 | SW 14 | SW 13 | SW 13 | SSW 8 | SW 14 | SW 14 | SSW 8 | SSW 8 | SSW 8 |
| kJ | 368 | 357 | 398 | 632 | 673 | 394 | 591 | 301 | 520 | 503 | 551 | 593 | 286 | 301 | 513 | 355 | 290 | 345 | 441 | 536 | 536 | 347 | 294 | 264 |
Swell 2 Height (m) Direction Period (s) | SW 8 | SSW 9 | WNW 11 | SSW 9 | SSW 9 | SSW 9 | NW 5 | SSW 9 | NW 5 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 11 | SW 17 | SW 16 | SW 16 | SW 15 | SW 14 | — | SW 14 | SW 14 | SW 13 |
| kJ | 142 | 135 | 209 | 141 | 135 | 132 | 47 | 129 | 27 | 257 | 352 | 370 | 415 | 472 | 60 | 140 | 366 | 257 | 606 | 350 | — | 521 | 465 | 347 |
Swell 3 Height (m) Direction Period (s) | W 12 | WNW 12 | SSW 9 | SW 19 | SW 19 | SW 18 | SW 18 | NW 5 | SW 16 | WNW 5 | WNW 5 | SSW 10 | SW 12 | SW 12 | — | SW 11 | SW 16 | SW 16 | — | — | — | — | — | SW 22 |
| kJ | 73 | 232 | 124 | 15 | 57 | 51 | 111 | 24 | 260 | 22 | 14 | 20 | 199 | 108 | — | 60 | 206 | 203 | — | — | — | — | — | 18 |
Wind waves Height (m) Direction Period (s) | N 4 | N 4 | — | — | NW 6 | NW 5 | — | — | — | — | — | — | SSW 3 | — | SSW 9 | SSW 7 | SSW 7 | SSW 8 | — | SSW 8 | SSW 8 | — | — | — |
| kJ | 9 | 7 | — | — | 56 | 60 | — | — | — | — | — | — | 4 | — | 385 | 358 | 444 | 447 | — | 403 | 382 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 18 | 18 | 18 | 354 | 184 | 354 | 18 | 3 | 0 | 0 | 0 | 229 | 360 | 360 | 548 | 35 | 28 | 28 | 28 | 35 | 136 | 136 | 61 | 18 |
Best forecast wave conditions in Antofagasta | ||||||||||||||||||||||||
Best forecast wave conditions in Chile | ||||||||||||||||||||||||
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