Surf Forecast for Mancora
type: Dataset
description: 10-day surf forecast with Strike Scores for Mancora, Piura, Peru
about: Mancora
  type: TouristAttraction
  geo: GeoCoordinates
    latitude: -4.1
    longitude: -81.06
  description: Mancora is Peru's premier beach party destination with quality surf. The long left point offers forgiving waves in warm water, making it popular with beginners and the backpacker crowd.
summary:
  best day:
    date: 2026-08-07
    score: 50
    category: Fair
    explanation: Best day in the forecast: 2026-08-07 with a score of 50/100 (Fair)
  firing days count: 0
  overall recommendation: Poor conditions overall: Average score 36/100. Look for spots with better forecasts.
forecasts:
  date: 2026-08-04
  day index: 0
  strike score:
    final score: 21
    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 218° is 3° off optimal 215°, still within prime range.
      swell size:
        score: 8
        out of: 25
        explanation: Marginal size: 0.6m is 1.0m from ideal 1.6m.
      swell period:
        score: 14
        out of: 25
        explanation: Moderate period: 12s meets minimum 10s but below ideal 14s. Some groundswell energy present.
      wind:
        score: 0
        out of: 25
        explanation: Onshore/cross-shore: 16 km/h from 254° (WSW). Destroying wave quality. Offshore range: 70°-150°.
    adjustments:
      wind history:
        adjustment: -7
        groomed: false
        morning sickness: true
        explanation: -7 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 Mancora. Either swell direction (218°), size (0.6m), or wind (16 km/h from 254°) is unfavorable. Consider other spots or wait for better conditions.
  conditions:
    swell:
      height m: 0.6
      height ft: 2.0
      direction degrees: 218
      direction cardinal: SW
      period s: 12
      explanation: 0.6m (2.0ft) swell from 218° (SW) at 12s period
    wind:
      speed kmh: 16
      speed mph: 9.9
      direction degrees: 254
      direction cardinal: WSW
      explanation: 16 km/h (10 mph) from 254° (WSW)
    windswell:
      height m: 0.5
      period s: 3
      explanation: Local wind-generated waves (choppy, short-period)
forecasts:
  date: 2026-08-05
  day index: 1
  strike score:
    final score: 37
    category: Poor
    category emoji: 💤
    confidence: 1
    confidence explanation: Very high confidence (0-1 day forecast)
    breakdown:
      swell direction:
        score: 20
        out of: 25
        explanation: Good alignment: Swell from 221° is 6° off optimal 215°, still within prime range.
      swell size:
        score: 10
        out of: 25
        explanation: Marginal size: 0.9m is 0.7m from ideal 1.6m.
      swell period:
        score: 25
        out of: 25
        explanation: Perfect period: 14s is at or above ideal 14s. Long-period groundswell with maximum power.
      wind:
        score: 0
        out of: 25
        explanation: Onshore/cross-shore: 15 km/h from 257° (WSW). Destroying wave quality. Offshore range: 70°-150°.
    adjustments:
      wind history:
        adjustment: -4
        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 Mancora. Either swell direction (221°), size (0.9m), or wind (15 km/h from 257°) is unfavorable. Consider other spots or wait for better conditions.
  conditions:
    swell:
      height m: 0.9
      height ft: 3.0
      direction degrees: 221
      direction cardinal: SW
      period s: 14
      explanation: 0.9m (3.0ft) swell from 221° (SW) at 14s period
    wind:
      speed kmh: 15
      speed mph: 9.3
      direction degrees: 257
      direction cardinal: WSW
      explanation: 15 km/h (9 mph) from 257° (WSW)
    windswell:
      height m: 0.3
      period s: 3
      explanation: Local wind-generated waves (choppy, short-period)
forecasts:
  date: 2026-08-06
  day index: 2
  strike score:
    final score: 42
    category: Poor
    category emoji: 💤
    confidence: 0.95
    confidence explanation: High confidence (2-3 day forecast)
    breakdown:
      swell direction:
        score: 18
        out of: 25
        explanation: Moderate alignment: Swell from 225° is 10° off optimal 215°, workable but not ideal.
      swell size:
        score: 11
        out of: 25
        explanation: Marginal size: 1.0m is 0.6m from ideal 1.6m.
      swell period:
        score: 25
        out of: 25
        explanation: Perfect period: 14s is at or above ideal 14s. Long-period groundswell with maximum power.
      wind:
        score: 0
        out of: 25
        explanation: Onshore/cross-shore: 15 km/h from 260° (W). Destroying wave quality. Offshore range: 70°-150°.
    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 Mancora. Either swell direction (225°), size (1.0m), or wind (15 km/h from 260°) is unfavorable. Consider other spots or wait for better conditions.
  conditions:
    swell:
      height m: 1
      height ft: 3.3
      direction degrees: 225
      direction cardinal: SW
      period s: 14
      explanation: 1.0m (3.3ft) swell from 225° (SW) at 14s period
    wind:
      speed kmh: 15
      speed mph: 9.3
      direction degrees: 260
      direction cardinal: W
      explanation: 15 km/h (9 mph) from 260° (W)
    secondary swell:
      height m: 0.4
      direction degrees: 230
      direction cardinal: SW
      period s: 16
    windswell:
      height m: 0.3
      period s: 2
      explanation: Local wind-generated waves (choppy, short-period)
forecasts:
  date: 2026-08-07
  day index: 3
  strike score:
    final score: 50
    category: Fair
    category emoji: 😐
    confidence: 0.92
    confidence explanation: High confidence (2-3 day forecast)
    summary: Surfable but not special at Mancora. The 1.2m swell from 223° is workable, but conditions aren't ideal. Fine if you're local, but not worth a dedicated trip.
provider: Strike Mission
date published: 2026-08-05T01:50:28.086Z
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)

swell direction:
  score: 19
  out of: 25
  explanation: Moderate alignment: Swell from 223° is 8° off optimal 215°, workable but not ideal.
swell size:
  score: 13
  out of: 25
  explanation: Marginal size: 1.2m is 0.4m from ideal 1.6m.
swell period:
  score: 25
  out of: 25
  explanation: Perfect period: 16s is at or above ideal 14s. Long-period groundswell with maximum power.
wind:
  score: 1
  out of: 25
  explanation: Onshore/cross-shore: 17 km/h from 243° (WSW). Destroying wave quality. Offshore range: 70°-150°.

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.

swell:
  height m: 1.2
  height ft: 3.9
  direction degrees: 223
  direction cardinal: SW
  period s: 16
  explanation: 1.2m (3.9ft) swell from 223° (SW) at 16s period
wind:
  speed kmh: 17
  speed mph: 10.6
  direction degrees: 243
  direction cardinal: WSW
  explanation: 17 km/h (11 mph) from 243° (WSW)
windswell:
  height m: 0.5
  period s: 2
  explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-08
day index: 4
strike score:
  final score: 46
  category: Fair
  category emoji: 😐
  confidence: 0.89
  confidence explanation: Moderate confidence (4-5 day forecast)
  breakdown:
    swell direction:
      score: 18
      out of: 25
      explanation: Moderate alignment: Swell from 225° is 10° off optimal 215°, workable but not ideal.
    swell size:
      score: 12
      out of: 25
      explanation: Marginal size: 1.1m is 0.4m from ideal 1.6m.
    swell period:
      score: 25
      out of: 25
      explanation: Perfect period: 15s is at or above ideal 14s. Long-period groundswell with maximum power.
    wind:
      score: 1
      out of: 25
      explanation: Onshore/cross-shore: 22 km/h from 202° (SSW). Destroying wave quality. Offshore range: 70°-150°.
  adjustments:
    wind history:
      adjustment: 0
      groomed: false
      morning sickness: false
      explanation: No significant wind history adjustment.
    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: Surfable but not special at Mancora. The 1.1m swell from 225° is workable, but conditions aren't ideal. Fine if you're local, but not worth a dedicated trip.
conditions:
  swell:
    height m: 1.1
    height ft: 3.6
    direction degrees: 225
    direction cardinal: SW
    period s: 15
    explanation: 1.1m (3.6ft) swell from 225° (SW) at 15s period
  wind:
    speed kmh: 22
    speed mph: 13.7
    direction degrees: 202
    direction cardinal: SSW
    explanation: 22 km/h (14 mph) from 202° (SSW)
  windswell:
    height m: 0.8
    period s: 3
    explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-09
day index: 5
strike score:
  final score: 30
  category: Poor
  category emoji: 💤
  confidence: 0.86
  confidence explanation: Moderate confidence (4-5 day forecast)
  breakdown:
    swell direction:
      score: 18
      out of: 25
      explanation: Moderate alignment: Swell from 225° is 10° off optimal 215°, workable but not ideal.
    swell size:
      score: 10
      out of: 25
      explanation: Marginal size: 0.8m is 0.8m from ideal 1.6m.
    swell period:
      score: 25
      out of: 25
      explanation: Perfect period: 14s is at or above ideal 14s. Long-period groundswell with maximum power.
    wind:
      score: 0
      out of: 25
      explanation: Onshore/cross-shore: 15 km/h from 257° (WSW). Destroying wave quality. Offshore range: 70°-150°.
  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: -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 Mancora. Either swell direction (225°), size (0.8m), or wind (15 km/h from 257°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.8
    height ft: 2.6
    direction degrees: 225
    direction cardinal: SW
    period s: 14
    explanation: 0.8m (2.6ft) swell from 225° (SW) at 14s period
  wind:
    speed kmh: 15
    speed mph: 9.3
    direction degrees: 257
    direction cardinal: WSW
    explanation: 15 km/h (9 mph) from 257° (WSW)
  windswell:
    height m: 0.4
    period s: 2
    explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-10
day index: 6
strike score:
  final score: 34
  category: Poor
  category emoji: 💤
  confidence: 0.83
  confidence explanation: Low confidence (6-7 day forecast)
  breakdown:
    swell direction:
      score: 19
      out of: 25
      explanation: Moderate alignment: Swell from 223° is 8° off optimal 215°, workable but not ideal.
    swell size:
      score: 10
      out of: 25
      explanation: Marginal size: 0.9m is 0.7m from ideal 1.6m.
    swell period:
      score: 25
      out of: 25
      explanation: Perfect period: 15s is at or above ideal 14s. Long-period groundswell with maximum power.
    wind:
      score: 0
      out of: 25
      explanation: Onshore/cross-shore: 15 km/h from 249° (WSW). Destroying wave quality. Offshore range: 70°-150°.
  adjustments:
    wind history:
      adjustment: -7
      groomed: false
      morning sickness: true
      explanation: -7 points: Previous days of onshore wind left residual chop ("morning sickness"), reducing wave quality.
    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 Mancora. Either swell direction (223°), size (0.9m), or wind (15 km/h from 249°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.9
    height ft: 3.0
    direction degrees: 223
    direction cardinal: SW
    period s: 15
    explanation: 0.9m (3.0ft) swell from 223° (SW) at 15s period
  wind:
    speed kmh: 15
    speed mph: 9.3
    direction degrees: 249
    direction cardinal: WSW
    explanation: 15 km/h (9 mph) from 249° (WSW)
  secondary swell:
    height m: 0.4
    direction degrees: 218
    direction cardinal: SW
    period s: 15
  windswell:
    height m: 0.6
    period s: 3
    explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-11
day index: 7
strike score:
  final score: 42
  category: Poor
  category emoji: 💤
  confidence: 0.8
  confidence explanation: Low confidence (6-7 day forecast)
  breakdown:
    swell direction:
      score: 23
      out of: 25
      explanation: Good alignment: Swell from 218° is 3° off optimal 215°, still within prime range.
    swell size:
      score: 9
      out of: 25
      explanation: Marginal size: 0.7m is 0.9m from ideal 1.6m.
    swell period:
      score: 25
      out of: 25
      explanation: Perfect period: 15s is at or above ideal 14s. Long-period groundswell with maximum power.
    wind:
      score: 1
      out of: 25
      explanation: Onshore/cross-shore: 25 km/h from 198° (SSW). Destroying wave quality. Offshore range: 70°-150°.
  adjustments:
    wind history:
      adjustment: -4
      groomed: false
      morning sickness: false
      explanation: No significant wind history adjustment.
    windswell penalty:
      adjustment: -7
      windswell degraded: true
      explanation: -7 points: Short-period windswell is present, creating choppy, disorganized conditions.
    secondary swell bonus:
      adjustment: 0
      explanation: No secondary swell bonus.
  summary: Poor conditions at Mancora. Either swell direction (218°), size (0.7m), or wind (25 km/h from 198°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.7
    height ft: 2.3
    direction degrees: 218
    direction cardinal: SW
    period s: 15
    explanation: 0.7m (2.3ft) swell from 218° (SW) at 15s period
  wind:
    speed kmh: 25
    speed mph: 15.5
    direction degrees: 198
    direction cardinal: SSW
    explanation: 25 km/h (16 mph) from 198° (SSW)
  secondary swell:
    height m: 0.4
    direction degrees: 228
    direction cardinal: SW
    period s: 11
  windswell:
    height m: 0.8
    period s: 3
    explanation: Local wind-generated waves (choppy, short-period)

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: 22
      out of: 25
      explanation: Good alignment: Swell from 211° is 4° off optimal 215°, still within prime range.
    swell size:
      score: 8
      out of: 25
      explanation: Marginal size: 0.6m is 1.0m from ideal 1.6m.
    swell period:
      score: 23
      out of: 25
      explanation: Good period: 13s is 93% of ideal 14s. Clean, powerful groundswell.
    wind:
      score: 0
      out of: 25
      explanation: Onshore/cross-shore: 16 km/h from 252° (WSW). Destroying wave quality. Offshore range: 70°-150°.
  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 Mancora. Either swell direction (211°), size (0.6m), or wind (16 km/h from 252°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.6
    height ft: 2.0
    direction degrees: 211
    direction cardinal: SSW
    period s: 13
    explanation: 0.6m (2.0ft) swell from 211° (SSW) at 13s period
  wind:
    speed kmh: 16
    speed mph: 9.9
    direction degrees: 252
    direction cardinal: WSW
    explanation: 16 km/h (10 mph) from 252° (WSW)
  windswell:
    height m: 0.5
    period s: 3
    explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-13
day index: 9
strike score:
  final score: 27
  category: Poor
  category emoji: 💤
  confidence: 0.8
  confidence explanation: Very low confidence (8-10 day forecast, conditions may change)
  breakdown:
    swell direction:
      score: 16
      out of: 25
      explanation: Moderate alignment: Swell from 229° is 14° off optimal 215°, workable but not ideal.
    swell size:
      score: 10
      out of: 25
      explanation: Marginal size: 0.9m is 0.7m from ideal 1.6m.
    swell period:
      score: 25
      out of: 25
      explanation: Perfect period: 17s is at or above ideal 14s. Long-period groundswell with maximum power.
    wind:
      score: 0
      out of: 25
      explanation: Onshore/cross-shore: 15 km/h from 246° (WSW). Destroying wave quality. Offshore range: 70°-150°.
  adjustments:
    wind history:
      adjustment: -7
      groomed: false
      morning sickness: true
      explanation: -7 points: Previous days of onshore wind left residual chop ("morning sickness"), reducing wave quality.
    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 Mancora. Either swell direction (229°), size (0.9m), or wind (15 km/h from 246°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.9
    height ft: 3.0
    direction degrees: 229
    direction cardinal: SW
    period s: 17
    explanation: 0.9m (3.0ft) swell from 229° (SW) at 17s period
  wind:
    speed kmh: 15
    speed mph: 9.3
    direction degrees: 246
    direction cardinal: WSW
    explanation: 15 km/h (9 mph) from 246° (WSW)
  secondary swell:
    height m: 0.4
    direction degrees: 196
    direction cardinal: SSW
    period s: 10
  windswell:
    height m: 0.5
    period s: 3
    explanation: Local wind-generated waves (choppy, short-period)

Strike Mission
type: Organization