10-day surf forecast with Strike Scores for Tongo Reef, San Cristobal, Galapagos, Ecuador
Tongo Reef is the crown jewel of Galapagos surfing - a world-class left reef break on San Cristobal Island that hosted the 2022 WSL QS 1000. The wave offers three distinct sections catering to all levels, from the mellow Bajo to the hollow Pico. Surf with sea lions in one of the planet's most unique wildlife sanctuaries.
Best day in the forecast: 2026-08-13 with a score of 44/100 (Poor)
Poor conditions overall: Average score 26/100. Look for spots with better forecasts.
Poor alignment: Swell from 157° is 45° off optimal 202°, barely within workable range 180°-225°.
Marginal size: 1.5m is 0.6m from ideal 2.1m.
Short period: 9s is below minimum 12s. Windswell-dominated (choppy, weak waves).
Onshore/cross-shore: 20 km/h from 168° (SSE). Destroying wave quality. Offshore range: 90°-135°.
Groundswell-dominant conditions (clean, long-period waves).
Poor conditions at Tongo Reef. Either swell direction (157°), size (1.5m), or wind (20 km/h from 168°) is unfavorable. Consider other spots or wait for better conditions.
1.5m (4.9ft) swell from 157° (SSE) at 9s period
Local wind-generated waves (choppy, short-period)
Poor alignment: Swell from 163° is 39° off optimal 202°, barely within workable range 180°-225°.
Marginal size: 1.3m is 0.8m from ideal 2.1m.
Onshore/cross-shore: 16 km/h from 169° (S). Destroying wave quality. Offshore range: 90°-135°.
Poor conditions at Tongo Reef. Either swell direction (163°), size (1.3m), or wind (16 km/h from 169°) is unfavorable. Consider other spots or wait for better conditions.
1.3m (4.3ft) swell from 163° (SSE) at 9s period
Moderate alignment: Swell from 193° is 9° off optimal 202°, workable but not ideal.
Marginal size: 1.2m is 0.9m from ideal 2.1m.
Moderate period: 12s meets minimum 12s but below ideal 16s. Some groundswell energy present.
Onshore/cross-shore: 13 km/h from 149° (SSE). Destroying wave quality. Offshore range: 90°-135°.
Poor conditions at Tongo Reef. Either swell direction (193°), size (1.2m), or wind (13 km/h from 149°) is unfavorable. Consider other spots or wait for better conditions.
1.2m (3.9ft) swell from 193° (SSW) at 12s period
Moderate alignment: Swell from 215° is 13° off optimal 202°, workable but not ideal.
Moderate period: 14s meets minimum 12s but below ideal 16s. Some groundswell energy present.
Onshore/cross-shore: 15 km/h from 146° (SE). Destroying wave quality. Offshore range: 90°-135°.
Poor conditions at Tongo Reef. Either swell direction (215°), size (1.3m), or wind (15 km/h from 146°) is unfavorable. Consider other spots or wait for better conditions.
1.3m (4.3ft) swell from 215° (SW) at 14s period
Moderate alignment: Swell from 217° is 15° off optimal 202°, workable but not ideal.
Too small: 1.1m is below minimum 1.2m. Waves will be weak/mushy.
Onshore/cross-shore: 16 km/h from 158° (SSE). Destroying wave quality. Offshore range: 90°-135°.
Poor conditions at Tongo Reef. Either swell direction (217°), size (1.1m), or wind (16 km/h from 158°) is unfavorable. Consider other spots or wait for better conditions.
1.1m (3.6ft) swell from 217° (SW) at 14s period
Too small: 1.0m is below minimum 1.2m. Waves will be weak/mushy.
Onshore/cross-shore: 17 km/h from 155° (SSE). Destroying wave quality. Offshore range: 90°-135°.
Poor conditions at Tongo Reef. Either swell direction (215°), size (1.0m), or wind (17 km/h from 155°) is unfavorable. Consider other spots or wait for better conditions.
1.0m (3.3ft) swell from 215° (SW) at 12s period
Moderate alignment: Swell from 179° is 23° off optimal 202°, workable but not ideal.
Onshore/cross-shore: 17 km/h from 147° (SSE). Destroying wave quality. Offshore range: 90°-135°.
Poor conditions at Tongo Reef. Either swell direction (179°), size (1.0m), or wind (17 km/h from 147°) is unfavorable. Consider other spots or wait for better conditions.
1.0m (3.3ft) swell from 179° (S) at 14s period
Moderate alignment: Swell from 184° is 18° off optimal 202°, workable but not ideal.
Perfect period: 16s is at or above ideal 16s. Long-period groundswell with maximum power.
Onshore/cross-shore: 22 km/h from 154° (SSE). Destroying wave quality. Offshore range: 90°-135°.
-5 points: Short-period windswell is present, creating choppy, disorganized conditions.
Poor conditions at Tongo Reef. Either swell direction (184°), size (1.1m), or wind (22 km/h from 154°) is unfavorable. Consider other spots or wait for better conditions.
1.1m (3.6ft) swell from 184° (S) at 16s period
Very low confidence (8-10 day forecast, conditions may change)
Moderate alignment: Swell from 175° is 27° off optimal 202°, workable but not ideal.
Good period: 15s is 94% of ideal 16s. Clean, powerful groundswell.
Onshore/cross-shore: 20 km/h from 155° (SSE). Destroying wave quality. Offshore range: 90°-135°.
-10 points: Previous days of onshore wind left residual chop ("morning sickness"), reducing wave quality.
Poor conditions at Tongo Reef. Either swell direction (175°), size (1.1m), or wind (20 km/h from 155°) is unfavorable. Consider other spots or wait for better conditions.
1.1m (3.6ft) swell from 175° (S) at 15s period
Moderate alignment: Swell from 211° is 9° off optimal 202°, workable but not ideal.
Perfect period: 17s is at or above ideal 16s. Long-period groundswell with maximum power.
Onshore/cross-shore: 19 km/h from 157° (SSE). Destroying wave quality. Offshore range: 90°-135°.
-7 points: Previous days of onshore wind left residual chop ("morning sickness"), reducing wave quality.
Poor conditions at Tongo Reef. Either swell direction (211°), size (1.3m), or wind (19 km/h from 157°) is unfavorable. Consider other spots or wait for better conditions.
1.3m (4.3ft) swell from 211° (SSW) at 17s period
Open-Meteo Weather API (wind/weather data)