10-day surf forecast with Strike Scores for La Portada, Antofagasta, Chile
La Portada is a quality reef break near the famous natural arch rock formation.
Best day in the forecast: 2026-08-04 with a score of 61/100 (Fair)
Poor conditions overall: Average score 40/100. Look for spots with better forecasts.
Good alignment: Swell from 230° is 5° off optimal 235°, still within prime range.
Good size: 2.4m is within 15% of ideal 2.1m.
Short period: 10s is below minimum 12s. Windswell-dominated (choppy, weak waves).
Onshore/cross-shore: 7 km/h from 282° (WNW). Destroying wave quality. Offshore range: 60°-140°.
Groundswell-dominant conditions (clean, long-period waves).
Surfable but not special at La Portada. The 2.4m swell from 230° is workable, but conditions aren't ideal. Fine if you're local, but not worth a dedicated trip.
2.4m (7.9ft) swell from 230° (SW) at 10s period
Good alignment: Swell from 229° is 6° off optimal 235°, still within prime range.
Marginal size: 2.1m is 0.0m from ideal 2.1m.
Onshore/cross-shore: 8 km/h from 239° (WSW). Destroying wave quality. Offshore range: 60°-140°.
Surfable but not special at La Portada. The 2.1m swell from 229° is workable, but conditions aren't ideal. Fine if you're local, but not worth a dedicated trip.
2.1m (6.9ft) swell from 229° (SW) at 10s period
Marginal size: 2.0m is 0.1m from ideal 2.1m.
Onshore/cross-shore: 10 km/h from 191° (S). Destroying wave quality. Offshore range: 60°-140°.
Surfable but not special at La Portada. The 2.0m swell from 230° is workable, but conditions aren't ideal. Fine if you're local, but not worth a dedicated trip.
2.0m (6.6ft) swell from 230° (SW) at 10s period
Moderate alignment: Swell from 224° is 11° off optimal 235°, workable but not ideal.
Marginal size: 1.9m is 0.2m from ideal 2.1m.
Moderate period: 12s meets minimum 12s but below ideal 16s. Some groundswell energy present.
Onshore/cross-shore: 14 km/h from 197° (SSW). Destroying wave quality. Offshore range: 60°-140°.
Poor conditions at La Portada. Either swell direction (224°), size (1.9m), or wind (14 km/h from 197°) is unfavorable. Consider other spots or wait for better conditions.
1.9m (6.2ft) swell from 224° (SW) at 12s period
Moderate alignment: Swell from 221° is 14° off optimal 235°, workable but not ideal.
Short period: 9s is below minimum 12s. Windswell-dominated (choppy, weak waves).
Onshore/cross-shore: 20 km/h from 191° (S). Destroying wave quality. Offshore range: 60°-140°.
Poor conditions at La Portada. Either swell direction (221°), size (2.4m), or wind (20 km/h from 191°) is unfavorable. Consider other spots or wait for better conditions.
2.4m (7.9ft) swell from 221° (SW) at 9s period
Local wind-generated waves (choppy, short-period)
Moderate alignment: Swell from 218° is 17° off optimal 235°, workable but not ideal.
Marginal size: 2.8m is 0.7m from ideal 2.1m.
Onshore/cross-shore: 10 km/h from 218° (SW). Destroying wave quality. Offshore range: 60°-140°.
Surfable but not special at La Portada. The 2.8m swell from 218° is workable, but conditions aren't ideal. Fine if you're local, but not worth a dedicated trip.
2.8m (9.2ft) swell from 218° (SW) at 12s period
Moderate alignment: Swell from 215° is 20° off optimal 235°, workable but not ideal.
Marginal size: 2.9m is 0.8m from ideal 2.1m.
Short period: 11s is below minimum 12s. Windswell-dominated (choppy, weak waves).
Onshore/cross-shore: 13 km/h from 195° (SSW). Destroying wave quality. Offshore range: 60°-140°.
Poor conditions at La Portada. Either swell direction (215°), size (2.9m), or wind (13 km/h from 195°) is unfavorable. Consider other spots or wait for better conditions.
2.9m (9.5ft) swell from 215° (SW) at 11s period
Moderate alignment: Swell from 214° is 21° off optimal 235°, workable but not ideal.
Poor conditions at La Portada. Either swell direction (214°), size (2.1m), or wind (13 km/h from 195°) is unfavorable. Consider other spots or wait for better conditions.
2.1m (6.9ft) swell from 214° (SW) at 10s period
Very low confidence (8-10 day forecast, conditions may change)
Moderate alignment: Swell from 211° is 24° off optimal 235°, workable but not ideal.
Marginal size: 1.4m is 0.7m from ideal 2.1m.
Onshore/cross-shore: 17 km/h from 195° (SSW). Destroying wave quality. Offshore range: 60°-140°.
Poor conditions at La Portada. Either swell direction (211°), size (1.4m), or wind (17 km/h from 195°) is unfavorable. Consider other spots or wait for better conditions.
1.4m (4.6ft) swell from 211° (SSW) at 10s period
Marginal size: 1.2m is 0.9m from ideal 2.1m.
Moderate period: 14s meets minimum 12s but below ideal 16s. Some groundswell energy present.
Onshore/cross-shore: 13 km/h from 193° (SSW). Destroying wave quality. Offshore range: 60°-140°.
Poor conditions at La Portada. Either swell direction (221°), size (1.2m), or wind (13 km/h from 193°) is unfavorable. Consider other spots or wait for better conditions.
1.2m (3.9ft) swell from 221° (SW) at 14s period
Open-Meteo Weather API (wind/weather data)