10-day surf forecast with Strike Scores for Praia Grande SFS, São Francisco do Sul, SC, Brazil
Praia Grande in São Francisco do Sul offers reliable surf in a charming colonial island town setting. The beach picks up swells from multiple directions and produces consistent peaks year-round. The historic town behind the beach adds cultural interest to any surf trip.
Best day in the forecast: 2026-08-11 with a score of 19/100 (Poor)
Poor conditions overall: Average score 10/100. Look for spots with better forecasts.
No alignment: Swell from 89° is outside workable range 112°-200°. Wrong swell direction for this spot.
Too small: 0.7m is below minimum 0.9m. Waves will be weak/mushy.
Moderate period: 8s meets minimum 8s but below ideal 12s. Some groundswell energy present.
Glassy: Wind speed 3 km/h (light/variable). Perfect mirror-like surface.
Groundswell-dominant conditions (clean, long-period waves).
Poor conditions at Praia Grande SFS. Either swell direction (89°), size (0.7m), or wind (3 km/h from 97°) is unfavorable. Consider other spots or wait for better conditions.
0.7m (2.3ft) swell from 89° (E) at 8s period
No alignment: Swell from 88° is outside workable range 112°-200°. Wrong swell direction for this spot.
Light offshore: 6 km/h from 23° (NNE). Grooming the wave face beautifully.
Poor conditions at Praia Grande SFS. Either swell direction (88°), size (0.7m), or wind (6 km/h from 23°) is unfavorable. Consider other spots or wait for better conditions.
0.7m (2.3ft) swell from 88° (E) at 8s period
No alignment: Swell from 84° is outside workable range 112°-200°. Wrong swell direction for this spot.
Onshore/cross-shore: 11 km/h from 119° (ESE). Destroying wave quality. Offshore range: 315°-45°.
Poor conditions at Praia Grande SFS. Either swell direction (84°), size (0.7m), or wind (11 km/h from 119°) is unfavorable. Consider other spots or wait for better conditions.
0.7m (2.3ft) swell from 84° (E) at 8s period
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.
Moderate offshore: 10 km/h from 44° (NE). Still grooming but noticeable wind.
Poor conditions at Praia Grande SFS. Either swell direction (84°), size (0.8m), or wind (10 km/h from 44°) is unfavorable. Consider other spots or wait for better conditions.
0.8m (2.6ft) swell from 84° (E) at 9s period
Moderate alignment: Swell from 138° is 19° off optimal 157°, workable but not ideal.
Short period: 7s is below minimum 8s. Windswell-dominated (choppy, weak waves).
Onshore/cross-shore: 12 km/h from 136° (SE). Destroying wave quality. Offshore range: 315°-45°.
Poor conditions at Praia Grande SFS. Either swell direction (138°), size (0.8m), or wind (12 km/h from 136°) is unfavorable. Consider other spots or wait for better conditions.
0.8m (2.6ft) swell from 138° (SE) at 7s period
Local wind-generated waves (choppy, short-period)
No alignment: Swell from 87° is outside workable range 112°-200°. Wrong swell direction for this spot.
Onshore/cross-shore: 10 km/h from 213° (SSW). Destroying wave quality. Offshore range: 315°-45°.
Poor conditions at Praia Grande SFS. Either swell direction (87°), size (0.7m), or wind (10 km/h from 213°) is unfavorable. Consider other spots or wait for better conditions.
0.7m (2.3ft) swell from 87° (E) at 9s period
Moderate alignment: Swell from 140° is 17° off optimal 157°, workable but not ideal.
Onshore/cross-shore: 11 km/h from 174° (S). Destroying wave quality. Offshore range: 315°-45°.
Poor conditions at Praia Grande SFS. Either swell direction (140°), size (0.7m), or wind (11 km/h from 174°) is unfavorable. Consider other spots or wait for better conditions.
0.7m (2.3ft) swell from 140° (SE) at 9s period
Poor alignment: Swell from 109° is 48° off optimal 157°, barely within workable range 112°-200°.
Marginal size: 0.9m is 0.5m from ideal 1.4m.
Onshore/cross-shore: 10 km/h from 210° (SSW). Destroying wave quality. Offshore range: 315°-45°.
Poor conditions at Praia Grande SFS. Either swell direction (109°), size (0.9m), or wind (10 km/h from 210°) is unfavorable. Consider other spots or wait for better conditions.
0.9m (3.0ft) swell from 109° (ESE) at 7s period
Very low confidence (8-10 day forecast, conditions may change)
No alignment: Swell from 97° is outside workable range 112°-200°. Wrong swell direction for this spot.
Onshore/cross-shore: 6 km/h from 74° (ENE). Destroying wave quality. Offshore range: 315°-45°.
Poor conditions at Praia Grande SFS. Either swell direction (97°), size (0.8m), or wind (6 km/h from 74°) is unfavorable. Consider other spots or wait for better conditions.
0.8m (2.6ft) swell from 97° (E) at 8s period
Too small: 0.5m is below minimum 0.9m. Waves will be weak/mushy.
Onshore/cross-shore: 5 km/h from 60° (ENE). Destroying wave quality. Offshore range: 315°-45°.
Poor conditions at Praia Grande SFS. Either swell direction (97°), size (0.5m), or wind (5 km/h from 60°) is unfavorable. Consider other spots or wait for better conditions.
0.5m (1.6ft) swell from 97° (E) at 8s period
Open-Meteo Weather API (wind/weather data)