10-day surf forecast with Strike Scores for Honoli'i, Hilo, Big Island, USA
Honoli'i is the most consistent wave on the Big Island's east side—a rivermouth break near Hilo that creates strong, reliable peaks year-round. Sharp lava rocks demand respect, and it's usually onshore with trade winds, but when the winds switch offshore, it's magic.
Best day in the forecast: 2026-08-09 with a score of 44/100 (Poor)
Poor conditions overall: Average score 33/100. Look for spots with better forecasts.
Moderate alignment: Swell from 66° is 21° off optimal 45°, workable but not ideal.
Marginal size: 1.8m is 0.1m from ideal 1.9m.
Moderate period: 8s meets minimum 8s but below ideal 12s. Some groundswell energy present.
Onshore/cross-shore: 10 km/h from 104° (ESE). Destroying wave quality. Offshore range: 200°-260°.
Groundswell-dominant conditions (clean, long-period waves).
Poor conditions at Honoli'i. Either swell direction (66°), size (1.8m), or wind (10 km/h from 104°) is unfavorable. Consider other spots or wait for better conditions.
1.8m (5.9ft) swell from 66° (ENE) at 8s period
Moderate alignment: Swell from 64° is 19° off optimal 45°, workable but not ideal.
Marginal size: 1.4m is 0.6m from ideal 1.9m.
Short period: 7s is below minimum 8s. Windswell-dominated (choppy, weak waves).
Onshore/cross-shore: 9 km/h from 66° (ENE). Destroying wave quality. Offshore range: 200°-260°.
Poor conditions at Honoli'i. Either swell direction (64°), size (1.4m), or wind (9 km/h from 66°) is unfavorable. Consider other spots or wait for better conditions.
1.4m (4.6ft) swell from 64° (ENE) at 7s period
Moderate alignment: Swell from 69° is 24° off optimal 45°, workable but not ideal.
Marginal size: 1.2m is 0.8m from ideal 1.9m.
Onshore/cross-shore: 9 km/h from 34° (NE). Destroying wave quality. Offshore range: 200°-260°.
Poor conditions at Honoli'i. Either swell direction (69°), size (1.2m), or wind (9 km/h from 34°) is unfavorable. Consider other spots or wait for better conditions.
1.2m (3.9ft) swell from 69° (ENE) at 7s period
Moderate alignment: Swell from 72° is 27° off optimal 45°, workable but not ideal.
Marginal size: 1.1m is 0.8m from ideal 1.9m.
Moderate period: 9s meets minimum 8s but below ideal 12s. Some groundswell energy present.
Onshore/cross-shore: 10 km/h from 23° (NNE). Destroying wave quality. Offshore range: 200°-260°.
Poor conditions at Honoli'i. Either swell direction (72°), size (1.1m), or wind (10 km/h from 23°) is unfavorable. Consider other spots or wait for better conditions.
1.1m (3.6ft) swell from 72° (ENE) at 9s period
Moderate alignment: Swell from 71° is 26° off optimal 45°, workable but not ideal.
Short period: 6s is below minimum 8s. Windswell-dominated (choppy, weak waves).
Onshore/cross-shore: 8 km/h from 36° (NE). Destroying wave quality. Offshore range: 200°-260°.
Poor conditions at Honoli'i. Either swell direction (71°), size (1.8m), or wind (8 km/h from 36°) is unfavorable. Consider other spots or wait for better conditions.
1.8m (5.9ft) swell from 71° (ENE) at 6s period
Moderate alignment: Swell from 77° is 32° off optimal 45°, workable but not ideal.
Marginal size: 2.1m is 0.2m from ideal 1.9m.
Onshore/cross-shore: 7 km/h from 64° (ENE). Destroying wave quality. Offshore range: 200°-260°.
Poor conditions at Honoli'i. Either swell direction (77°), size (2.1m), or wind (7 km/h from 64°) is unfavorable. Consider other spots or wait for better conditions.
2.1m (6.9ft) swell from 77° (ENE) at 7s period
Moderate alignment: Swell from 76° is 31° off optimal 45°, workable but not ideal.
Marginal size: 1.9m is 0.1m from ideal 1.9m.
Onshore/cross-shore: 10 km/h from 58° (ENE). Destroying wave quality. Offshore range: 200°-260°.
Poor conditions at Honoli'i. Either swell direction (76°), size (1.9m), or wind (10 km/h from 58°) is unfavorable. Consider other spots or wait for better conditions.
1.9m (6.2ft) swell from 76° (ENE) at 7s period
Poor alignment: Swell from 89° is 44° off optimal 45°, barely within workable range 10°-95°.
Onshore/cross-shore: 9 km/h from 28° (NNE). Destroying wave quality. Offshore range: 200°-260°.
Poor conditions at Honoli'i. Either swell direction (89°), size (1.2m), or wind (9 km/h from 28°) is unfavorable. Consider other spots or wait for better conditions.
1.2m (3.9ft) swell from 89° (E) at 8s period
Very low confidence (8-10 day forecast, conditions may change)
Poor alignment: Swell from 90° is 45° off optimal 45°, barely within workable range 10°-95°.
Onshore/cross-shore: 8 km/h from 15° (NNE). Destroying wave quality. Offshore range: 200°-260°.
Poor conditions at Honoli'i. Either swell direction (90°), size (1.4m), or wind (8 km/h from 15°) is unfavorable. Consider other spots or wait for better conditions.
1.4m (4.6ft) swell from 90° (E) at 7s period
Onshore/cross-shore: 7 km/h from 31° (NNE). Destroying wave quality. Offshore range: 200°-260°.
Poor conditions at Honoli'i. Either swell direction (89°), size (1.4m), or wind (7 km/h from 31°) is unfavorable. Consider other spots or wait for better conditions.
1.4m (4.6ft) swell from 89° (E) at 7s period
Open-Meteo Weather API (wind/weather data)