10-day surf forecast with Strike Scores for Boca Grandi, Aruba, Aruba
Boca Grandi is Aruba's main surf spot—a beach break on the windswept southeast coast that picks up Atlantic swells. Known more for windsurfing and kitesurfing, but consistent waves attract a dedicated surf crew.
Best day in the forecast: 2026-08-04 with a score of 0/100 (Poor)
Poor conditions overall: Average score 0/100. Look for spots with better forecasts.
Poor alignment: Swell from 68° is 32° off optimal 100°, barely within workable range 60°-140°.
Marginal size: 0.9m is 0.7m from ideal 1.6m.
Short period: 6s is below minimum 8s. Windswell-dominated (choppy, weak waves).
Onshore/cross-shore: 34 km/h from 90° (E). Destroying wave quality. Offshore range: 240°-300°.
-21 points: Previous days of onshore wind left residual chop ("morning sickness"), reducing wave quality.
-10 points: Short-period windswell is present, creating choppy, disorganized conditions.
Poor conditions at Boca Grandi. Either swell direction (68°), size (0.9m), or wind (34 km/h from 90°) is unfavorable. Consider other spots or wait for better conditions.
0.9m (3.0ft) swell from 68° (ENE) at 6s period
Local wind-generated waves (choppy, short-period)
Poor alignment: Swell from 54° is 46° off optimal 100°, barely within workable range 60°-140°.
Marginal size: 0.8m is 0.8m from ideal 1.6m.
Onshore/cross-shore: 29 km/h from 86° (E). Destroying wave quality. Offshore range: 240°-300°.
-7 points: Short-period windswell is present, creating choppy, disorganized conditions.
Poor conditions at Boca Grandi. Either swell direction (54°), size (0.8m), or wind (29 km/h from 86°) is unfavorable. Consider other spots or wait for better conditions.
0.8m (2.6ft) swell from 54° (NE) at 6s period
Poor alignment: Swell from 49° is 51° off optimal 100°, barely within workable range 60°-140°.
Onshore/cross-shore: 31 km/h from 97° (E). Destroying wave quality. Offshore range: 240°-300°.
Poor conditions at Boca Grandi. Either swell direction (49°), size (0.8m), or wind (31 km/h from 97°) is unfavorable. Consider other spots or wait for better conditions.
0.8m (2.6ft) swell from 49° (NE) at 6s period
Poor alignment: Swell from 47° is 53° off optimal 100°, barely within workable range 60°-140°.
Short period: 7s is below minimum 8s. Windswell-dominated (choppy, weak waves).
Onshore/cross-shore: 35 km/h from 85° (E). Destroying wave quality. Offshore range: 240°-300°.
Poor conditions at Boca Grandi. Either swell direction (47°), size (0.8m), or wind (35 km/h from 85°) is unfavorable. Consider other spots or wait for better conditions.
0.8m (2.6ft) swell from 47° (NE) at 7s period
Poor alignment: Swell from 43° is 57° off optimal 100°, barely within workable range 60°-140°.
Too small: 0.6m is below minimum 0.8m. Waves will be weak/mushy.
Onshore/cross-shore: 33 km/h from 82° (E). Destroying wave quality. Offshore range: 240°-300°.
Poor conditions at Boca Grandi. Either swell direction (43°), size (0.6m), or wind (33 km/h from 82°) is unfavorable. Consider other spots or wait for better conditions.
0.6m (2.0ft) swell from 43° (NE) at 7s period
Marginal size: 1.1m is 0.5m from ideal 1.6m.
Onshore/cross-shore: 31 km/h from 86° (E). Destroying wave quality. Offshore range: 240°-300°.
Poor conditions at Boca Grandi. Either swell direction (68°), size (1.1m), or wind (31 km/h from 86°) is unfavorable. Consider other spots or wait for better conditions.
1.1m (3.6ft) swell from 68° (ENE) at 6s period
Marginal size: 1.0m is 0.6m from ideal 1.6m.
Onshore/cross-shore: 29 km/h from 94° (E). Destroying wave quality. Offshore range: 240°-300°.
Poor conditions at Boca Grandi. Either swell direction (54°), size (1.0m), or wind (29 km/h from 94°) is unfavorable. Consider other spots or wait for better conditions.
1.0m (3.3ft) swell from 54° (NE) at 6s period
Poor alignment: Swell from 45° is 55° off optimal 100°, barely within workable range 60°-140°.
Too small: 0.7m is below minimum 0.8m. Waves will be weak/mushy.
Onshore/cross-shore: 34 km/h from 89° (E). Destroying wave quality. Offshore range: 240°-300°.
Poor conditions at Boca Grandi. Either swell direction (45°), size (0.7m), or wind (34 km/h from 89°) is unfavorable. Consider other spots or wait for better conditions.
0.7m (2.3ft) swell from 45° (NE) at 7s period
Very low confidence (8-10 day forecast, conditions may change)
Poor alignment: Swell from 51° is 49° off optimal 100°, barely within workable range 60°-140°.
Onshore/cross-shore: 30 km/h from 94° (E). Destroying wave quality. Offshore range: 240°-300°.
Poor conditions at Boca Grandi. Either swell direction (51°), size (0.9m), or wind (30 km/h from 94°) is unfavorable. Consider other spots or wait for better conditions.
0.9m (3.0ft) swell from 51° (NE) at 6s period
Onshore/cross-shore: 32 km/h from 91° (E). Destroying wave quality. Offshore range: 240°-300°.
Poor conditions at Boca Grandi. Either swell direction (51°), size (0.8m), or wind (32 km/h from 91°) is unfavorable. Consider other spots or wait for better conditions.
0.8m (2.6ft) swell from 51° (NE) at 6s period
Open-Meteo Weather API (wind/weather data)