10-day surf forecast with Strike Scores for Sennen Cove, West Cornwall, UK
Sennen Cove sits near the very tip of Cornwall at Land's End, wide open to whatever the Atlantic sends its way.
Best day in the forecast: 2026-08-12 with a score of 16/100 (Poor)
Poor conditions overall: Average score 8/100. Look for spots with better forecasts.
Poor alignment: Swell from 229° is 51° off optimal 280°, barely within workable range 250°-315°.
Too small: 0.8m is below minimum 1.2m. Waves will be weak/mushy.
Short period: 6s is below minimum 8s. Windswell-dominated (choppy, weak waves).
Onshore/cross-shore: 21 km/h from 221° (SW). Destroying wave quality. Offshore range: 45°-110°.
-7 points: Short-period windswell is present, creating choppy, disorganized conditions.
Poor conditions at Sennen Cove. Either swell direction (229°), size (0.8m), or wind (21 km/h from 221°) is unfavorable. Consider other spots or wait for better conditions.
0.8m (2.6ft) swell from 229° (SW) at 5.9s period
Local wind-generated waves (choppy, short-period)
Good alignment: Swell from 276° is 4° off optimal 280°, still within prime range.
Marginal size: 1.2m is 0.9m from ideal 2.1m.
Short period: 7s is below minimum 8s. Windswell-dominated (choppy, weak waves).
Onshore/cross-shore: 26 km/h from 298° (WNW). Destroying wave quality. Offshore range: 45°-110°.
-10 points: Previous days of onshore wind left residual chop ("morning sickness"), reducing wave quality.
-5 points: Short-period windswell is present, creating choppy, disorganized conditions.
Poor conditions at Sennen Cove. Either swell direction (276°), size (1.2m), or wind (26 km/h from 298°) is unfavorable. Consider other spots or wait for better conditions.
1.2m (3.9ft) swell from 276° (W) at 6.9s period
Good alignment: Swell from 286° is 6° off optimal 280°, still within prime range.
Too small: 1.0m is below minimum 1.2m. Waves will be weak/mushy.
Short period: 8s is below minimum 8s. Windswell-dominated (choppy, weak waves).
Onshore/cross-shore: 11 km/h from 299° (WNW). Destroying wave quality. Offshore range: 45°-110°.
-17 points: Previous days of onshore wind left residual chop ("morning sickness"), reducing wave quality.
Groundswell-dominant conditions (clean, long-period waves).
Poor conditions at Sennen Cove. Either swell direction (286°), size (1.0m), or wind (11 km/h from 299°) is unfavorable. Consider other spots or wait for better conditions.
1.0m (3.3ft) swell from 286° (WNW) at 7.6s period
Good alignment: Swell from 283° is 3° off optimal 280°, still within prime range.
Too small: 0.4m is below minimum 1.2m. Waves will be weak/mushy.
Moderate period: 10s meets minimum 8s but below ideal 12s. Some groundswell energy present.
Onshore/cross-shore: 10 km/h from 199° (SSW). Destroying wave quality. Offshore range: 45°-110°.
-11 points: Previous days of onshore wind left residual chop ("morning sickness"), reducing wave quality.
Poor conditions at Sennen Cove. Either swell direction (283°), size (0.4m), or wind (10 km/h from 199°) is unfavorable. Consider other spots or wait for better conditions.
0.4m (1.3ft) swell from 283° (WNW) at 9.5s period
Moderate alignment: Swell from 296° is 16° off optimal 280°, workable but not ideal.
Onshore/cross-shore: 13 km/h from 168° (SSE). Destroying wave quality. Offshore range: 45°-110°.
Poor conditions at Sennen Cove. Either swell direction (296°), size (0.4m), or wind (13 km/h from 168°) is unfavorable. Consider other spots or wait for better conditions.
0.4m (1.3ft) swell from 296° (WNW) at 10s period
Moderate alignment: Swell from 290° is 10° off optimal 280°, workable but not ideal.
Too small: 0.6m is below minimum 1.2m. Waves will be weak/mushy.
Moderate period: 9s meets minimum 8s but below ideal 12s. Some groundswell energy present.
Onshore/cross-shore: 23 km/h from 290° (WNW). Destroying wave quality. Offshore range: 45°-110°.
Poor conditions at Sennen Cove. Either swell direction (290°), size (0.6m), or wind (23 km/h from 290°) is unfavorable. Consider other spots or wait for better conditions.
0.6m (2.0ft) swell from 290° (WNW) at 9s period
Perfect alignment: Swell from 279° is within 5° of optimal 280°.
Too small: 1.1m is below minimum 1.2m. Waves will be weak/mushy.
Onshore/cross-shore: 16 km/h from 302° (WNW). Destroying wave quality. Offshore range: 45°-110°.
Poor conditions at Sennen Cove. Either swell direction (279°), size (1.1m), or wind (16 km/h from 302°) is unfavorable. Consider other spots or wait for better conditions.
1.1m (3.6ft) swell from 279° (W) at 7s period
Good alignment: Swell from 282° is 2° off optimal 280°, still within prime range.
Too small: 0.5m is below minimum 1.2m. Waves will be weak/mushy.
Onshore/cross-shore: 18 km/h from 129° (SE). Destroying wave quality. Offshore range: 45°-110°.
-7 points: Previous days of onshore wind left residual chop ("morning sickness"), reducing wave quality.
Poor conditions at Sennen Cove. Either swell direction (282°), size (0.5m), or wind (18 km/h from 129°) is unfavorable. Consider other spots or wait for better conditions.
0.5m (1.6ft) swell from 282° (WNW) at 7s period
Very low confidence (8-10 day forecast, conditions may change)
Moderate alignment: Swell from 260° is 20° off optimal 280°, workable but not ideal.
Too small: 0.7m is below minimum 1.2m. Waves will be weak/mushy.
Good period: 11s is 92% of ideal 12s. Clean, powerful groundswell.
Onshore/cross-shore: 19 km/h from 227° (SW). Destroying wave quality. Offshore range: 45°-110°.
Poor conditions at Sennen Cove. Either swell direction (260°), size (0.7m), or wind (19 km/h from 227°) is unfavorable. Consider other spots or wait for better conditions.
0.7m (2.3ft) swell from 260° (W) at 11s period
Good alignment: Swell from 275° is 5° off optimal 280°, still within prime range.
Onshore/cross-shore: 17 km/h from 262° (W). Destroying wave quality. Offshore range: 45°-110°.
Poor conditions at Sennen Cove. Either swell direction (275°), size (1.2m), or wind (17 km/h from 262°) is unfavorable. Consider other spots or wait for better conditions.
1.2m (3.9ft) swell from 275° (W) at 9s period
Open-Meteo Weather API (wind/weather data)