Surf Forecast for Catanas Point
type: Dataset
description: 10-day surf forecast with Strike Scores for Catanas Point, Luanda, Angola
about: Catanas Point
  type: TouristAttraction
  geo: GeoCoordinates
    latitude: -11.5
    longitude: 13.7
  description: Catanas Point is a heavy reef break north of Luanda that produces thick, hollow barrels when SW swells arrive during the austral winter. The wave breaks over a shallow reef, demanding respect and experience. When it's on, it's one of the best waves in Angola—powerful, hollow, and virtually uncrowded.
summary:
  best day:
    date: 2026-08-07
    score: 44
    category: Poor
    explanation: Best day in the forecast: 2026-08-07 with a score of 44/100 (Poor)
  firing days count: 0
  overall recommendation: Poor conditions overall: Average score 31/100. Look for spots with better forecasts.
forecasts:
  date: 2026-08-04
  day index: 0
  strike score:
    final score: 15
    category: Poor
    category emoji: 💤
    confidence: 1
    confidence explanation: Very high confidence (0-1 day forecast)
    breakdown:
      swell direction:
        score: 23
        out of: 25
        explanation: Good alignment: Swell from 228° is 3° off optimal 225°, still within prime range.
      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: 4
        out of: 25
        explanation: Short period: 9s is below minimum 10s. Windswell-dominated (choppy, weak waves).
      wind:
        score: 9
        out of: 25
        explanation: Onshore/cross-shore: 11 km/h from 208° (SSW). Destroying wave quality. Offshore range: 60°-130°.
    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 Catanas Point. Either swell direction (228°), size (0.5m), or wind (11 km/h from 208°) is unfavorable. Consider other spots or wait for better conditions.
  conditions:
    swell:
      height m: 0.5
      height ft: 1.6
      direction degrees: 228
      direction cardinal: SW
      period s: 9
      explanation: 0.5m (1.6ft) swell from 228° (SW) at 9s period
    wind:
      speed kmh: 11
      speed mph: 6.8
      direction degrees: 208
      direction cardinal: SSW
      explanation: 11 km/h (7 mph) from 208° (SSW)
forecasts:
  date: 2026-08-05
  day index: 1
  strike score:
    final score: 30
    category: Poor
    category emoji: 💤
    confidence: 1
    confidence explanation: Very high confidence (0-1 day forecast)
    breakdown:
      swell direction:
        score: 22
        out of: 25
        explanation: Good alignment: Swell from 229° is 4° off optimal 225°, still within prime range.
      swell size:
        score: 2
        out of: 25
        explanation: Too small: 0.8m is below minimum 1.2m. Waves will be weak/mushy.
      swell period:
        score: 14
        out of: 25
        explanation: Moderate period: 12s meets minimum 10s but below ideal 14s. Some groundswell energy present.
      wind:
        score: 5
        out of: 25
        explanation: Onshore/cross-shore: 13 km/h from 209° (SSW). Destroying wave quality. Offshore range: 60°-130°.
    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 Catanas Point. Either swell direction (229°), size (0.8m), or wind (13 km/h from 209°) is unfavorable. Consider other spots or wait for better conditions.
  conditions:
    swell:
      height m: 0.8
      height ft: 2.6
      direction degrees: 229
      direction cardinal: SW
      period s: 12
      explanation: 0.8m (2.6ft) swell from 229° (SW) at 12s period
    wind:
      speed kmh: 13
      speed mph: 8.1
      direction degrees: 209
      direction cardinal: SSW
      explanation: 13 km/h (8 mph) from 209° (SSW)
forecasts:
  date: 2026-08-06
  day index: 2
  strike score:
    final score: 38
    category: Poor
    category emoji: 💤
    confidence: 0.95
    confidence explanation: High confidence (2-3 day forecast)
    breakdown:
      swell direction:
        score: 23
        out of: 25
        explanation: Good alignment: Swell from 228° is 3° off optimal 225°, still within prime range.
      swell size:
        score: 3
        out of: 25
        explanation: Too small: 1.0m is below minimum 1.2m. Waves will be weak/mushy.
      swell period:
        score: 8
        out of: 25
        explanation: Moderate period: 11s meets minimum 10s but below ideal 14s. Some groundswell energy present.
      wind:
        score: 11
        out of: 25
        explanation: Onshore/cross-shore: 9 km/h from 254° (WSW). Destroying wave quality. Offshore range: 60°-130°.
    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 Catanas Point. Either swell direction (228°), size (1.0m), or wind (9 km/h from 254°) is unfavorable. Consider other spots or wait for better conditions.
  conditions:
    swell:
      height m: 1
      height ft: 3.3
      direction degrees: 228
      direction cardinal: SW
      period s: 11
      explanation: 1.0m (3.3ft) swell from 228° (SW) at 11s period
    wind:
      speed kmh: 9
      speed mph: 5.6
      direction degrees: 254
      direction cardinal: WSW
      explanation: 9 km/h (6 mph) from 254° (WSW)
forecasts:
  date: 2026-08-07
  day index: 3
  strike score:
    final score: 44
    category: Poor
    category emoji: 💤
    confidence: 0.92
    confidence explanation: High confidence (2-3 day forecast)
    breakdown:
      swell direction:
        score: 20
        out of: 25
        explanation: Good alignment: Swell from 232° is 7° off optimal 225°, still within prime range.
      swell size:
        score: 3
        out of: 25
        explanation: Too small: 1.0m is below minimum 1.2m. Waves will be weak/mushy.
      swell period:
        score: 23
        out of: 25
        explanation: Good period: 13s is 93% of ideal 14s. Clean, powerful groundswell.
      wind:
        score: 13
        out of: 25
        explanation: Onshore/cross-shore: 8 km/h from 297° (WNW). Destroying wave quality. Offshore range: 60°-130°.
    summary: Poor conditions at Catanas Point. Either swell direction (232°), size (1.0m), or wind (8 km/h from 297°) is unfavorable. Consider other spots or wait for better conditions.
provider: Strike Mission
date published: 2026-08-05T00:34:31.037Z
temporal coverage: 2026-08-04/2026-08-13
data sources: Open-Meteo Marine API (swell/wave data)
data sources: Open-Meteo Weather API (wind/weather data)

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.

swell:
  height m: 1
  height ft: 3.3
  direction degrees: 232
  direction cardinal: SW
  period s: 13
  explanation: 1.0m (3.3ft) swell from 232° (SW) at 13s period
wind:
  speed kmh: 8
  speed mph: 5.0
  direction degrees: 297
  direction cardinal: WNW
  explanation: 8 km/h (5 mph) from 297° (WNW)
secondary swell:
  height m: 0.6
  direction degrees: 222
  direction cardinal: SW
  period s: 12

date: 2026-08-08
day index: 4
strike score:
  final score: 43
  category: Poor
  category emoji: 💤
  confidence: 0.89
  confidence explanation: Moderate confidence (4-5 day forecast)
  breakdown:
    swell direction:
      score: 25
      out of: 25
      explanation: Perfect alignment: Swell from 225° is within 5° of optimal 225°.
    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: 6
      out of: 25
      explanation: Moderate period: 10s meets minimum 10s but below ideal 14s. Some groundswell energy present.
    wind:
      score: 13
      out of: 25
      explanation: Onshore/cross-shore: 8 km/h from 309° (NW). Destroying wave quality. Offshore range: 60°-130°.
  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 Catanas Point. Either swell direction (225°), size (1.1m), or wind (8 km/h from 309°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 1.1
    height ft: 3.6
    direction degrees: 225
    direction cardinal: SW
    period s: 10
    explanation: 1.1m (3.6ft) swell from 225° (SW) at 10s period
  wind:
    speed kmh: 8
    speed mph: 5.0
    direction degrees: 309
    direction cardinal: NW
    explanation: 8 km/h (5 mph) from 309° (NW)

date: 2026-08-09
day index: 5
strike score:
  final score: 35
  category: Poor
  category emoji: 💤
  confidence: 0.86
  confidence explanation: Moderate confidence (4-5 day forecast)
  breakdown:
    swell direction:
      score: 23
      out of: 25
      explanation: Good alignment: Swell from 223° is 2° off optimal 225°, still within prime range.
    swell size:
      score: 3
      out of: 25
      explanation: Too small: 1.0m is below minimum 1.2m. Waves will be weak/mushy.
    swell period:
      score: 6
      out of: 25
      explanation: Moderate period: 10s meets minimum 10s but below ideal 14s. Some groundswell energy present.
    wind:
      score: 11
      out of: 25
      explanation: Onshore/cross-shore: 9 km/h from 277° (W). Destroying wave quality. Offshore range: 60°-130°.
  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 Catanas Point. Either swell direction (223°), size (1.0m), or wind (9 km/h from 277°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 1
    height ft: 3.3
    direction degrees: 223
    direction cardinal: SW
    period s: 10
    explanation: 1.0m (3.3ft) swell from 223° (SW) at 10s period
  wind:
    speed kmh: 9
    speed mph: 5.6
    direction degrees: 277
    direction cardinal: W
    explanation: 9 km/h (6 mph) from 277° (W)

date: 2026-08-10
day index: 6
strike score:
  final score: 33
  category: Poor
  category emoji: 💤
  confidence: 0.83
  confidence explanation: Low confidence (6-7 day forecast)
  breakdown:
    swell direction:
      score: 23
      out of: 25
      explanation: Good alignment: Swell from 222° is 3° off optimal 225°, still within prime range.
    swell size:
      score: 3
      out of: 25
      explanation: Too small: 1.0m is below minimum 1.2m. Waves will be weak/mushy.
    swell period:
      score: 4
      out of: 25
      explanation: Short period: 9s is below minimum 10s. Windswell-dominated (choppy, weak waves).
    wind:
      score: 11
      out of: 25
      explanation: Onshore/cross-shore: 9 km/h from 236° (SW). Destroying wave quality. Offshore range: 60°-130°.
  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 Catanas Point. Either swell direction (222°), size (1.0m), or wind (9 km/h from 236°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 1
    height ft: 3.3
    direction degrees: 222
    direction cardinal: SW
    period s: 9
    explanation: 1.0m (3.3ft) swell from 222° (SW) at 9s period
  wind:
    speed kmh: 9
    speed mph: 5.6
    direction degrees: 236
    direction cardinal: SW
    explanation: 9 km/h (6 mph) from 236° (SW)

date: 2026-08-11
day index: 7
strike score:
  final score: 37
  category: Poor
  category emoji: 💤
  confidence: 0.8
  confidence explanation: Low confidence (6-7 day forecast)
  breakdown:
    swell direction:
      score: 21
      out of: 25
      explanation: Good alignment: Swell from 220° is 5° off optimal 225°, still within prime range.
    swell size:
      score: 8
      out of: 25
      explanation: Marginal size: 1.2m is 1.2m from ideal 2.4m.
    swell period:
      score: 6
      out of: 25
      explanation: Moderate period: 10s meets minimum 10s but below ideal 14s. Some groundswell energy present.
    wind:
      score: 11
      out of: 25
      explanation: Onshore/cross-shore: 9 km/h from 289° (WNW). Destroying wave quality. Offshore range: 60°-130°.
  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 Catanas Point. Either swell direction (220°), size (1.2m), or wind (9 km/h from 289°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 1.2
    height ft: 3.9
    direction degrees: 220
    direction cardinal: SW
    period s: 10
    explanation: 1.2m (3.9ft) swell from 220° (SW) at 10s period
  wind:
    speed kmh: 9
    speed mph: 5.6
    direction degrees: 289
    direction cardinal: WNW
    explanation: 9 km/h (6 mph) from 289° (WNW)

date: 2026-08-12
day index: 8
strike score:
  final score: 26
  category: Poor
  category emoji: 💤
  confidence: 0.8
  confidence explanation: Very low confidence (8-10 day forecast, conditions may change)
  breakdown:
    swell direction:
      score: 23
      out of: 25
      explanation: Good alignment: Swell from 222° is 3° off optimal 225°, still within prime range.
    swell size:
      score: 2
      out of: 25
      explanation: Too small: 0.8m is below minimum 1.2m. Waves will be weak/mushy.
    swell period:
      score: 2
      out of: 25
      explanation: Short period: 8s is below minimum 10s. Windswell-dominated (choppy, weak waves).
    wind:
      score: 11
      out of: 25
      explanation: Onshore/cross-shore: 9 km/h from 214° (SW). Destroying wave quality. Offshore range: 60°-130°.
  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 Catanas Point. Either swell direction (222°), size (0.8m), or wind (9 km/h from 214°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.8
    height ft: 2.6
    direction degrees: 222
    direction cardinal: SW
    period s: 8
    explanation: 0.8m (2.6ft) swell from 222° (SW) at 8s period
  wind:
    speed kmh: 9
    speed mph: 5.6
    direction degrees: 214
    direction cardinal: SW
    explanation: 9 km/h (6 mph) from 214° (SW)

date: 2026-08-13
day index: 9
strike score:
  final score: 5
  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: 8
      out of: 25
      explanation: Moderate period: 11s meets minimum 10s but below ideal 14s. Some groundswell energy present.
    wind:
      score: 15
      out of: 25
      explanation: Onshore/cross-shore: 7 km/h from 266° (W). Destroying wave quality. Offshore range: 60°-130°.
  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 Catanas Point. Either swell direction (0°), size (0.0m), or wind (7 km/h from 266°) 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: 7
    speed mph: 4.3
    direction degrees: 266
    direction cardinal: W
    explanation: 7 km/h (4 mph) from 266° (W)

Strike Mission
type: Organization