10-day surf forecast with Strike Scores for Copacabana Posto 5, Rio de Janeiro, RJ, Brazil
Copacabana Posto 5 is one of the best surf spots along Rio's most famous beach, producing heavy shorebreak barrels when conditions align. The wave is fast and punishing, but the iconic setting and urban convenience make it worth the battle. Best early morning before crowds descend.
Best day in the forecast: 2026-08-06 with a score of 47/100 (Fair)
Poor conditions overall: Average score 34/100. Look for spots with better forecasts.
No alignment: Swell from 181° is outside workable range 90°-157°. Wrong swell direction for this spot.
Marginal size: 1.0m is 0.7m from ideal 1.7m.
Perfect period: 13s is at or above ideal 12s. Long-period groundswell with maximum power.
Light offshore: 9 km/h from 29° (NNE). Grooming the wave face beautifully.
Groundswell-dominant conditions (clean, long-period waves).
Poor conditions at Copacabana Posto 5. Either swell direction (181°), size (1.0m), or wind (9 km/h from 29°) is unfavorable. Consider other spots or wait for better conditions.
1.0m (3.3ft) swell from 181° (S) at 13s period
Good alignment: Swell from 106° is 6° off optimal 112°, still within prime range.
Too small: 0.8m is below minimum 0.9m. Waves will be weak/mushy.
Moderate period: 9s meets minimum 8s but below ideal 12s. Some groundswell energy present.
Light offshore: 9 km/h from 6° (N). Grooming the wave face beautifully.
Surfable but not special at Copacabana Posto 5. The 0.8m swell from 106° is workable, but conditions aren't ideal. Fine if you're local, but not worth a dedicated trip.
0.8m (2.6ft) swell from 106° (ESE) at 9s period
Moderate alignment: Swell from 104° is 8° off optimal 112°, workable but not ideal.
Too small: 0.6m is below minimum 0.9m. Waves will be weak/mushy.
Moderate period: 10s meets minimum 8s but below ideal 12s. Some groundswell energy present.
Moderate offshore: 13 km/h from 324° (NW). Still grooming but noticeable wind.
Poor conditions at Copacabana Posto 5. Either swell direction (104°), size (0.6m), or wind (13 km/h from 324°) is unfavorable. Consider other spots or wait for better conditions.
0.6m (2.0ft) swell from 104° (ESE) at 10s period
No alignment: Swell from 180° is outside workable range 90°-157°. Wrong swell direction for this spot.
Marginal size: 1.1m is 0.6m from ideal 1.7m.
Onshore/cross-shore: 9 km/h from 107° (ESE). Destroying wave quality. Offshore range: 315°-45°.
Poor conditions at Copacabana Posto 5. Either swell direction (180°), size (1.1m), or wind (9 km/h from 107°) is unfavorable. Consider other spots or wait for better conditions.
1.1m (3.6ft) swell from 180° (S) at 10s period
Marginal size: 1.7m is 0.0m from ideal 1.7m.
Perfect period: 14s is at or above ideal 12s. Long-period groundswell with maximum power.
Onshore/cross-shore: 17 km/h from 304° (NW). Destroying wave quality. Offshore range: 315°-45°.
Poor conditions at Copacabana Posto 5. Either swell direction (180°), size (1.7m), or wind (17 km/h from 304°) is unfavorable. Consider other spots or wait for better conditions.
1.7m (5.6ft) swell from 180° (S) at 14s period
No alignment: Swell from 186° is outside workable range 90°-157°. Wrong swell direction for this spot.
Marginal size: 1.5m is 0.2m from ideal 1.7m.
Onshore/cross-shore: 10 km/h from 140° (SE). Destroying wave quality. Offshore range: 315°-45°.
Poor conditions at Copacabana Posto 5. Either swell direction (186°), size (1.5m), or wind (10 km/h from 140°) is unfavorable. Consider other spots or wait for better conditions.
1.5m (4.9ft) swell from 186° (S) at 10s period
No alignment: Swell from 191° is outside workable range 90°-157°. Wrong swell direction for this spot.
Too big: 2.8m exceeds maximum 2.5m. Risk of closeouts.
Perfect period: 12s is at or above ideal 12s. Long-period groundswell with maximum power.
Onshore/cross-shore: 19 km/h from 190° (S). Destroying wave quality. Offshore range: 315°-45°.
Poor conditions at Copacabana Posto 5. Either swell direction (191°), size (2.8m), or wind (19 km/h from 190°) is unfavorable. Consider other spots or wait for better conditions.
2.8m (9.2ft) swell from 191° (S) at 12s period
Local wind-generated waves (choppy, short-period)
No alignment: Swell from 193° is outside workable range 90°-157°. Wrong swell direction for this spot.
Marginal size: 2.3m is 0.6m from ideal 1.7m.
Good period: 11s is 92% of ideal 12s. Clean, powerful groundswell.
Onshore/cross-shore: 6 km/h from 165° (SSE). Destroying wave quality. Offshore range: 315°-45°.
Poor conditions at Copacabana Posto 5. Either swell direction (193°), size (2.3m), or wind (6 km/h from 165°) is unfavorable. Consider other spots or wait for better conditions.
2.3m (7.5ft) swell from 193° (SSW) at 11s period
Very low confidence (8-10 day forecast, conditions may change)
Good size: 2.1m is within 15% of ideal 1.7m.
Onshore/cross-shore: 10 km/h from 81° (E). Destroying wave quality. Offshore range: 315°-45°.
Surfable but not special at Copacabana Posto 5. The 2.1m swell from 186° is workable, but conditions aren't ideal. Fine if you're local, but not worth a dedicated trip.
2.1m (6.9ft) swell from 186° (S) at 13s period
No alignment: Swell from 172° is outside workable range 90°-157°. Wrong swell direction for this spot.
Good size: 1.9m is within 15% of ideal 1.7m.
Onshore/cross-shore: 8 km/h from 93° (E). Destroying wave quality. Offshore range: 315°-45°.
Surfable but not special at Copacabana Posto 5. The 1.9m swell from 172° is workable, but conditions aren't ideal. Fine if you're local, but not worth a dedicated trip.
1.9m (6.2ft) swell from 172° (S) at 14s period
Open-Meteo Weather API (wind/weather data)