10-day surf forecast with Strike Scores for Rest Bay, Porthcawl, South Wales, UK
Rest Bay is the most consistent break in Porthcawl's varied lineup--a broad sandy beach that picks up SW swells.
Best day in the forecast: 2026-08-13 with a score of 7/100 (Poor)
Poor conditions overall: Average score 2/100. Look for spots with better forecasts.
Moderate alignment: Swell from 248° is 23° off optimal 225°, workable but not ideal.
Marginal size: 0.8m is 0.8m from ideal 1.6m.
Short period: 7s is below minimum 8s. Windswell-dominated (choppy, weak waves).
Onshore/cross-shore: 14 km/h from 229° (SW). Destroying wave quality. Offshore range: 20°-80°.
Groundswell-dominant conditions (clean, long-period waves).
Poor conditions at Rest Bay. Either swell direction (248°), size (0.8m), or wind (14 km/h from 229°) is unfavorable. Consider other spots or wait for better conditions.
0.8m (2.6ft) swell from 248° (WSW) at 6.7s period
Local wind-generated waves (choppy, short-period)
Moderate alignment: Swell from 241° is 16° off optimal 225°, workable but not ideal.
Too small: 0.6m is below minimum 0.8m. Waves will be weak/mushy.
Onshore/cross-shore: 32 km/h from 278° (W). Destroying wave quality. Offshore range: 20°-80°.
-10 points: Short-period windswell is present, creating choppy, disorganized conditions.
Poor conditions at Rest Bay. Either swell direction (241°), size (0.6m), or wind (32 km/h from 278°) is unfavorable. Consider other spots or wait for better conditions.
0.6m (2.0ft) swell from 241° (WSW) at 7.3s period
Poor alignment: Swell from 259° is 34° off optimal 225°, barely within workable range 200°-270°.
Onshore/cross-shore: 24 km/h from 285° (WNW). Destroying wave quality. Offshore range: 20°-80°.
-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 Rest Bay. Either swell direction (259°), size (0.8m), or wind (24 km/h from 285°) is unfavorable. Consider other spots or wait for better conditions.
0.8m (2.6ft) swell from 259° (W) at 7.1s period
Poor alignment: Swell from 260° is 35° off optimal 225°, barely within workable range 200°-270°.
Too small: 0.3m is below minimum 0.8m. Waves will be weak/mushy.
Moderate period: 9s meets minimum 8s but below ideal 12s. Some groundswell energy present.
Onshore/cross-shore: 9 km/h from 221° (SW). Destroying wave quality. Offshore range: 20°-80°.
-17 points: Previous days of onshore wind left residual chop ("morning sickness"), reducing wave quality.
Poor conditions at Rest Bay. Either swell direction (260°), size (0.3m), or wind (9 km/h from 221°) is unfavorable. Consider other spots or wait for better conditions.
0.3m (1.0ft) swell from 260° (W) at 9.3s period
Poor alignment: Swell from 255° is 30° off optimal 225°, barely within workable range 200°-270°.
Too small: 0.2m is below minimum 0.8m. Waves will be weak/mushy.
Short period: 6s is below minimum 8s. Windswell-dominated (choppy, weak waves).
Onshore/cross-shore: 9 km/h from 207° (SSW). Destroying wave quality. Offshore range: 20°-80°.
-11 points: Previous days of onshore wind left residual chop ("morning sickness"), reducing wave quality.
Poor conditions at Rest Bay. Either swell direction (255°), size (0.2m), or wind (9 km/h from 207°) is unfavorable. Consider other spots or wait for better conditions.
0.2m (0.7ft) swell from 255° (WSW) at 6s period
Poor alignment: Swell from 258° is 33° off optimal 225°, barely within workable range 200°-270°.
Onshore/cross-shore: 22 km/h from 268° (W). Destroying wave quality. Offshore range: 20°-80°.
Poor conditions at Rest Bay. Either swell direction (258°), size (0.3m), or wind (22 km/h from 268°) is unfavorable. Consider other spots or wait for better conditions.
0.3m (1.0ft) swell from 258° (WSW) at 7s period
Marginal size: 0.9m is 0.7m from ideal 1.6m.
Onshore/cross-shore: 17 km/h from 288° (WNW). Destroying wave quality. Offshore range: 20°-80°.
Poor conditions at Rest Bay. Either swell direction (258°), size (0.9m), or wind (17 km/h from 288°) is unfavorable. Consider other spots or wait for better conditions.
0.9m (3.0ft) swell from 258° (WSW) at 6s period
Too small: 0.5m is below minimum 0.8m. Waves will be weak/mushy.
Onshore/cross-shore: 9 km/h from 125° (SE). Destroying wave quality. Offshore range: 20°-80°.
-7 points: Previous days of onshore wind left residual chop ("morning sickness"), reducing wave quality.
Poor conditions at Rest Bay. Either swell direction (260°), size (0.5m), or wind (9 km/h from 125°) is unfavorable. Consider other spots or wait for better conditions.
0.5m (1.6ft) swell from 260° (W) at 6s period
Very low confidence (8-10 day forecast, conditions may change)
Too small: 0.7m is below minimum 0.8m. Waves will be weak/mushy.
Onshore/cross-shore: 13 km/h from 206° (SSW). Destroying wave quality. Offshore range: 20°-80°.
Poor conditions at Rest Bay. Either swell direction (258°), size (0.7m), or wind (13 km/h from 206°) is unfavorable. Consider other spots or wait for better conditions.
0.7m (2.3ft) swell from 258° (WSW) at 7s period
Marginal size: 1.3m is 0.3m from ideal 1.6m.
Moderate period: 8s meets minimum 8s but below ideal 12s. Some groundswell energy present.
Onshore/cross-shore: 22 km/h from 253° (WSW). Destroying wave quality. Offshore range: 20°-80°.
Poor conditions at Rest Bay. Either swell direction (260°), size (1.3m), or wind (22 km/h from 253°) is unfavorable. Consider other spots or wait for better conditions.
1.3m (4.3ft) swell from 260° (W) at 8s period
Open-Meteo Weather API (wind/weather data)