Surf Forecast for Porthcawl Point
type: Dataset
description: 10-day surf forecast with Strike Scores for Porthcawl Point, South Wales, UK
about: Porthcawl Point
  type: TouristAttraction
  geo: GeoCoordinates
    latitude: 51.474
    longitude: -3.7015
  description: Porthcawl Point--known locally as The Peak--is South Wales' most iconic wave. This reef/point setup breaks best at high tide.
summary:
  best day:
    date: 2026-08-13
    score: 18
    category: Poor
    explanation: Best day in the forecast: 2026-08-13 with a score of 18/100 (Poor)
  firing days count: 0
  overall recommendation: Poor conditions overall: Average score 2/100. Look for spots with better forecasts.
forecasts:
  date: 2026-08-05
  day index: 0
  strike score:
    final score: 0
    category: Poor
    category emoji: 💤
    confidence: 1
    confidence explanation: Very high confidence (0-1 day forecast)
    breakdown:
      swell direction:
        score: 18
        out of: 25
        explanation: Moderate alignment: Swell from 235° is 10° off optimal 225°, workable but not ideal.
      swell size:
        score: 2
        out of: 25
        explanation: Too small: 0.6m is below minimum 1.2m. Waves will be weak/mushy.
      swell period:
        score: 2
        out of: 25
        explanation: Short period: 7s is below minimum 9s. Windswell-dominated (choppy, weak waves).
      wind:
        score: 0
        out of: 25
        explanation: Onshore/cross-shore: 31 km/h from 278° (W). Destroying wave quality. Offshore range: 0°-80°.
    adjustments:
      wind history:
        adjustment: 0
        groomed: false
        morning sickness: false
        explanation: No significant wind history adjustment.
      windswell penalty:
        adjustment: -10
        windswell degraded: true
        explanation: -10 points: Short-period windswell is present, creating choppy, disorganized conditions.
      secondary swell bonus:
        adjustment: 0
        explanation: No secondary swell bonus.
    summary: Poor conditions at Porthcawl Point. Either swell direction (235°), size (0.6m), or wind (31 km/h from 278°) is unfavorable. Consider other spots or wait for better conditions.
  conditions:
    swell:
      height m: 0.6
      height ft: 2.0
      direction degrees: 235
      direction cardinal: SW
      period s: 7
      peak period s: 7.3
      explanation: 0.6m (2.0ft) swell from 235° (SW) at 7.3s period
    wind:
      speed kmh: 31
      speed mph: 19.3
      direction degrees: 278
      direction cardinal: W
      explanation: 31 km/h (19 mph) from 278° (W)
    windswell:
      height m: 1.2
      period s: 4
      explanation: Local wind-generated waves (choppy, short-period)
forecasts:
  date: 2026-08-06
  day index: 1
  strike score:
    final score: 0
    category: Poor
    category emoji: 💤
    confidence: 1
    confidence explanation: Very high confidence (0-1 day forecast)
    breakdown:
      swell direction:
        score: 8
        out of: 25
        explanation: Poor alignment: Swell from 259° is 34° off optimal 225°, barely within workable range 200°-260°.
      swell size:
        score: 2
        out of: 25
        explanation: Too small: 0.7m is below minimum 1.2m. Waves will be weak/mushy.
      swell period:
        score: 2
        out of: 25
        explanation: Short period: 7s is below minimum 9s. Windswell-dominated (choppy, weak waves).
      wind:
        score: 1
        out of: 25
        explanation: Onshore/cross-shore: 22 km/h from 285° (WNW). Destroying wave quality. Offshore range: 0°-80°.
    adjustments:
      wind history:
        adjustment: -10
        groomed: false
        morning sickness: true
        explanation: -10 points: Previous days of onshore wind left residual chop ("morning sickness"), reducing wave quality.
      windswell penalty:
        adjustment: -5
        windswell degraded: true
        explanation: -5 points: Short-period windswell is present, creating choppy, disorganized conditions.
      secondary swell bonus:
        adjustment: 0
        explanation: No secondary swell bonus.
    summary: Poor conditions at Porthcawl Point. Either swell direction (259°), size (0.7m), or wind (22 km/h from 285°) is unfavorable. Consider other spots or wait for better conditions.
  conditions:
    swell:
      height m: 0.7
      height ft: 2.3
      direction degrees: 259
      direction cardinal: W
      period s: 7
      peak period s: 7.1
      explanation: 0.7m (2.3ft) swell from 259° (W) at 7.1s period
    wind:
      speed kmh: 22
      speed mph: 13.7
      direction degrees: 285
      direction cardinal: WNW
      explanation: 22 km/h (14 mph) from 285° (WNW)
    windswell:
      height m: 0.6
      period s: 3
      explanation: Local wind-generated waves (choppy, short-period)
forecasts:
  date: 2026-08-07
  day index: 2
  strike score:
    final score: 0
    category: Poor
    category emoji: 💤
    confidence: 0.95
    confidence explanation: High confidence (2-3 day forecast)
    breakdown:
      swell direction:
        score: 8
        out of: 25
        explanation: Poor alignment: Swell from 260° is 35° off optimal 225°, barely within workable range 200°-260°.
      swell size:
        score: 1
        out of: 25
        explanation: Too small: 0.3m is below minimum 1.2m. Waves will be weak/mushy.
      swell period:
        score: 6
        out of: 25
        explanation: Moderate period: 9s meets minimum 9s but below ideal 13s. Some groundswell energy present.
      wind:
        score: 9
        out of: 25
        explanation: Onshore/cross-shore: 10 km/h from 269° (W). Destroying wave quality. Offshore range: 0°-80°.
    adjustments:
      wind history:
        adjustment: -17
        groomed: false
        morning sickness: true
        explanation: -17 points: Previous days of onshore wind left residual chop ("morning sickness"), reducing wave quality.
      windswell penalty:
        adjustment: 0
        windswell degraded: false
        explanation: Groundswell-dominant conditions (clean, long-period waves).
      secondary swell bonus:
        adjustment: 0
        explanation: No secondary swell bonus.
    summary: Poor conditions at Porthcawl Point. Either swell direction (260°), size (0.3m), or wind (10 km/h from 269°) is unfavorable. Consider other spots or wait for better conditions.
  conditions:
    swell:
      height m: 0.3
      height ft: 1.0
      direction degrees: 260
      direction cardinal: W
      period s: 9
      peak period s: 9.3
      explanation: 0.3m (1.0ft) swell from 260° (W) at 9.3s period
    wind:
      speed kmh: 10
      speed mph: 6.2
      direction degrees: 269
      direction cardinal: W
      explanation: 10 km/h (6 mph) from 269° (W)
forecasts:
  date: 2026-08-08
  day index: 3
  strike score:
    final score: 0
    category: Poor
    category emoji: 💤
    confidence: 0.92
    confidence explanation: High confidence (2-3 day forecast)
    breakdown:
      swell direction:
        score: 10
        out of: 25
        explanation: Moderate alignment: Swell from 254° is 29° off optimal 225°, workable but not ideal.
    summary: Poor conditions at Porthcawl Point. Either swell direction (254°), size (0.2m), or wind (9 km/h from 180°) is unfavorable. Consider other spots or wait for better conditions.
provider: Strike Mission
date published: 2026-08-05T03:16:05.802Z
temporal coverage: 2026-08-05/2026-08-14
data sources: Open-Meteo Marine API (swell/wave data)
data sources: Open-Meteo Weather API (wind/weather data)

score: 0
out of: 25
explanation: Too small: 0.2m is below minimum 1.2m. Waves will be weak/mushy.

score: 1
out of: 25
explanation: Short period: 6s is below minimum 9s. Windswell-dominated (choppy, weak waves).

score: 11
out of: 25
explanation: Onshore/cross-shore: 9 km/h from 180° (S). Destroying wave quality. Offshore range: 0°-80°.

wind history:
  adjustment: -11
  groomed: false
  morning sickness: true
  explanation: -11 points: Previous days of onshore wind left residual chop ("morning sickness"), reducing wave quality.
windswell penalty:
  adjustment: -5
  windswell degraded: true
  explanation: -5 points: Short-period windswell is present, creating choppy, disorganized conditions.
secondary swell bonus:
  adjustment: 0
  explanation: No secondary swell bonus.

swell:
  height m: 0.2
  height ft: 0.7
  direction degrees: 254
  direction cardinal: WSW
  period s: 6
  explanation: 0.2m (0.7ft) swell from 254° (WSW) at 6s period
wind:
  speed kmh: 9
  speed mph: 5.6
  direction degrees: 180
  direction cardinal: S
  explanation: 9 km/h (6 mph) from 180° (S)

date: 2026-08-09
day index: 4
strike score:
  final score: 0
  category: Poor
  category emoji: 💤
  confidence: 0.89
  confidence explanation: Moderate confidence (4-5 day forecast)
  breakdown:
    swell direction:
      score: 14
      out of: 25
      explanation: Moderate alignment: Swell from 243° is 18° off optimal 225°, workable but not ideal.
    swell size:
      score: 1
      out of: 25
      explanation: Too small: 0.3m is below minimum 1.2m. Waves will be weak/mushy.
    swell period:
      score: 1
      out of: 25
      explanation: Short period: 6s is below minimum 9s. Windswell-dominated (choppy, weak waves).
    wind:
      score: 4
      out of: 25
      explanation: Onshore/cross-shore: 13 km/h from 275° (W). Destroying wave quality. Offshore range: 0°-80°.
  adjustments:
    wind history:
      adjustment: -4
      groomed: false
      morning sickness: false
      explanation: No significant wind history adjustment.
    windswell penalty:
      adjustment: -10
      windswell degraded: true
      explanation: -10 points: Short-period windswell is present, creating choppy, disorganized conditions.
    secondary swell bonus:
      adjustment: 0
      explanation: No secondary swell bonus.
  summary: Poor conditions at Porthcawl Point. Either swell direction (243°), size (0.3m), or wind (13 km/h from 275°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.3
    height ft: 1.0
    direction degrees: 243
    direction cardinal: WSW
    period s: 6
    explanation: 0.3m (1.0ft) swell from 243° (WSW) at 6s period
  wind:
    speed kmh: 13
    speed mph: 8.1
    direction degrees: 275
    direction cardinal: W
    explanation: 13 km/h (8 mph) from 275° (W)
  windswell:
    height m: 0.9
    period s: 4
    explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-10
day index: 5
strike score:
  final score: 3
  category: Poor
  category emoji: 💤
  confidence: 0.86
  confidence explanation: Moderate confidence (4-5 day forecast)
  breakdown:
    swell direction:
      score: 7
      out of: 25
      explanation: Poor alignment: Swell from 262° is 37° off optimal 225°, barely within workable range 200°-260°.
    swell size:
      score: 5
      out of: 25
      explanation: Too small: 1.1m is below minimum 1.2m. Waves will be weak/mushy.
    swell period:
      score: 1
      out of: 25
      explanation: Short period: 6s is below minimum 9s. Windswell-dominated (choppy, weak waves).
    wind:
      score: 5
      out of: 25
      explanation: Onshore/cross-shore: 13 km/h from 285° (WNW). Destroying wave quality. Offshore range: 0°-80°.
  adjustments:
    wind history:
      adjustment: 0
      groomed: false
      morning sickness: false
      explanation: No significant wind history adjustment.
    windswell penalty:
      adjustment: 0
      windswell degraded: false
      explanation: Groundswell-dominant conditions (clean, long-period waves).
    secondary swell bonus:
      adjustment: 0
      explanation: No secondary swell bonus.
  summary: Poor conditions at Porthcawl Point. Either swell direction (262°), size (1.1m), or wind (13 km/h from 285°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 1.1
    height ft: 3.6
    direction degrees: 262
    direction cardinal: W
    period s: 6
    explanation: 1.1m (3.6ft) swell from 262° (W) at 6s period
  wind:
    speed kmh: 13
    speed mph: 8.1
    direction degrees: 285
    direction cardinal: WNW
    explanation: 13 km/h (8 mph) from 285° (WNW)

date: 2026-08-11
day index: 6
strike score:
  final score: 0
  category: Poor
  category emoji: 💤
  confidence: 0.83
  confidence explanation: Low confidence (6-7 day forecast)
  breakdown:
    swell direction:
      score: 8
      out of: 25
      explanation: Poor alignment: Swell from 259° is 34° off optimal 225°, barely within workable range 200°-260°.
    swell size:
      score: 1
      out of: 25
      explanation: Too small: 0.5m is below minimum 1.2m. Waves will be weak/mushy.
    swell period:
      score: 1
      out of: 25
      explanation: Short period: 6s is below minimum 9s. Windswell-dominated (choppy, weak waves).
    wind:
      score: 5
      out of: 25
      explanation: Onshore/cross-shore: 14 km/h from 118° (ESE). Destroying wave quality. Offshore range: 0°-80°.
  adjustments:
    wind history:
      adjustment: 0
      groomed: false
      morning sickness: false
      explanation: No significant wind history adjustment.
    windswell penalty:
      adjustment: 0
      windswell degraded: false
      explanation: Groundswell-dominant conditions (clean, long-period waves).
    secondary swell bonus:
      adjustment: 0
      explanation: No secondary swell bonus.
  summary: Poor conditions at Porthcawl Point. Either swell direction (259°), size (0.5m), or wind (14 km/h from 118°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.5
    height ft: 1.6
    direction degrees: 259
    direction cardinal: W
    period s: 6
    explanation: 0.5m (1.6ft) swell from 259° (W) at 6s period
  wind:
    speed kmh: 14
    speed mph: 8.7
    direction degrees: 118
    direction cardinal: ESE
    explanation: 14 km/h (9 mph) from 118° (ESE)

date: 2026-08-12
day index: 7
strike score:
  final score: 0
  category: Poor
  category emoji: 💤
  confidence: 0.8
  confidence explanation: Low confidence (6-7 day forecast)
  breakdown:
    swell direction:
      score: 8
      out of: 25
      explanation: Poor alignment: Swell from 258° is 33° off optimal 225°, barely within workable range 200°-260°.
    swell size:
      score: 8
      out of: 25
      explanation: Marginal size: 1.2m is 0.6m from ideal 1.8m.
    swell period:
      score: 4
      out of: 25
      explanation: Short period: 8s is below minimum 9s. Windswell-dominated (choppy, weak waves).
    wind:
      score: 0
      out of: 25
      explanation: Onshore/cross-shore: 20 km/h from 235° (SW). Destroying wave quality. Offshore range: 0°-80°.
  adjustments:
    wind history:
      adjustment: 0
      groomed: false
      morning sickness: false
      explanation: No significant wind history adjustment.
    windswell penalty:
      adjustment: -3
      windswell degraded: false
      explanation: Groundswell-dominant conditions (clean, long-period waves).
    secondary swell bonus:
      adjustment: 0
      explanation: No secondary swell bonus.
  summary: Poor conditions at Porthcawl Point. Either swell direction (258°), size (1.2m), or wind (20 km/h from 235°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 1.2
    height ft: 3.9
    direction degrees: 258
    direction cardinal: WSW
    period s: 8
    explanation: 1.2m (3.9ft) swell from 258° (WSW) at 8s period
  wind:
    speed kmh: 20
    speed mph: 12.4
    direction degrees: 235
    direction cardinal: SW
    explanation: 20 km/h (12 mph) from 235° (SW)
  windswell:
    height m: 0.8
    period s: 3
    explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-13
day index: 8
strike score:
  final score: 18
  category: Poor
  category emoji: 💤
  confidence: 0.8
  confidence explanation: Very low confidence (8-10 day forecast, conditions may change)
  breakdown:
    swell direction:
      score: 8
      out of: 25
      explanation: Poor alignment: Swell from 259° is 34° off optimal 225°, barely within workable range 200°-260°.
    swell size:
      score: 15
      out of: 25
      explanation: Marginal size: 1.7m is 0.1m from ideal 1.8m.
    swell period:
      score: 4
      out of: 25
      explanation: Short period: 8s is below minimum 9s. Windswell-dominated (choppy, weak waves).
    wind:
      score: 1
      out of: 25
      explanation: Onshore/cross-shore: 16 km/h from 273° (W). Destroying wave quality. Offshore range: 0°-80°.
  adjustments:
    wind history:
      adjustment: 0
      groomed: false
      morning sickness: false
      explanation: No significant wind history adjustment.
    windswell penalty:
      adjustment: 0
      windswell degraded: false
      explanation: Groundswell-dominant conditions (clean, long-period waves).
    secondary swell bonus:
      adjustment: 0
      explanation: No secondary swell bonus.
  summary: Poor conditions at Porthcawl Point. Either swell direction (259°), size (1.7m), or wind (16 km/h from 273°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 1.7
    height ft: 5.6
    direction degrees: 259
    direction cardinal: W
    period s: 8
    explanation: 1.7m (5.6ft) swell from 259° (W) at 8s period
  wind:
    speed kmh: 16
    speed mph: 9.9
    direction degrees: 273
    direction cardinal: W
    explanation: 16 km/h (10 mph) from 273° (W)
  windswell:
    height m: 0.5
    period s: 3
    explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-14
day index: 9
strike score:
  final score: 0
  category: Poor
  category emoji: 💤
  confidence: 0.8
  confidence explanation: Very low confidence (8-10 day forecast, conditions may change)
  breakdown:
    swell direction:
      score: 0
      out of: 25
      explanation: No alignment: Swell from 0° is outside workable range 200°-260°. Wrong swell direction for this spot.
    swell size:
      score: 0
      out of: 25
      explanation: Too small: 0.0m is below minimum 1.2m. Waves will be weak/mushy.
    swell period:
      score: 14
      out of: 25
      explanation: Moderate period: 11s meets minimum 9s but below ideal 13s. Some groundswell energy present.
    wind:
      score: 0
      out of: 25
      explanation: Onshore/cross-shore: 24 km/h from 248° (WSW). Destroying wave quality. Offshore range: 0°-80°.
  adjustments:
    wind history:
      adjustment: 0
      groomed: false
      morning sickness: false
      explanation: No significant wind history adjustment.
    windswell penalty:
      adjustment: 0
      windswell degraded: false
      explanation: Groundswell-dominant conditions (clean, long-period waves).
    secondary swell bonus:
      adjustment: 0
      explanation: No secondary swell bonus.
  summary: Poor conditions at Porthcawl Point. Either swell direction (0°), size (0.0m), or wind (24 km/h from 248°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0
    height ft: 0.0
    direction degrees: 0
    direction cardinal: N
    period s: 11
    explanation: 0.0m (0.0ft) swell from 0° (N) at 11s period
  wind:
    speed kmh: 24
    speed mph: 14.9
    direction degrees: 248
    direction cardinal: WSW
    explanation: 24 km/h (15 mph) from 248° (WSW)

Strike Mission
type: Organization