Surf Forecast for Constitucion
type: Dataset
description: 10-day surf forecast with Strike Scores for Constitucion, Maule Region, Chile
about: Constitucion
  type: TouristAttraction
  geo: GeoCoordinates
    latitude: -35.3333
    longitude: -72.4167
  description: Constitucion marks the transition into southern Chile's coastline.
summary:
  best day:
    date: 2026-08-08
    score: 80
    category: Firing
    explanation: Best day in the forecast: 2026-08-08 with a score of 80/100 (Firing)
  firing days count: 1
  firing days:
    date: 2026-08-08
    score: 80
  overall recommendation: Moderate recommendation: Constitucion has 1 Firing day(s) and 2 Good day(s). Worth considering.
forecasts:
  date: 2026-08-05
  day index: 0
  strike score:
    final score: 64
    category: Fair
    category emoji: 😐
    confidence: 1
    confidence explanation: Very high confidence (0-1 day forecast)
    breakdown:
      swell direction:
        score: 10
        out of: 25
        explanation: Moderate alignment: Swell from 257° is 27° off optimal 230°, workable but not ideal.
      swell size:
        score: 20
        out of: 25
        explanation: Good size: 2.1m is within 15% of ideal 1.9m.
      swell period:
        score: 23
        out of: 25
        explanation: Good period: 13s is 93% of ideal 14s. Clean, powerful groundswell.
      wind:
        score: 11
        out of: 25
        explanation: Onshore/cross-shore: 11 km/h from 37° (NE). Destroying wave quality. Offshore range: 50°-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: Surfable but not special at Constitucion. The 2.1m swell from 257° is workable, but conditions aren't ideal. Fine if you're local, but not worth a dedicated trip.
  conditions:
    swell:
      height m: 2.1
      height ft: 6.9
      direction degrees: 257
      direction cardinal: WSW
      period s: 13
      explanation: 2.1m (6.9ft) swell from 257° (WSW) at 13s period
    wind:
      speed kmh: 11
      speed mph: 6.8
      direction degrees: 37
      direction cardinal: NE
      explanation: 11 km/h (7 mph) from 37° (NE)
forecasts:
  date: 2026-08-06
  day index: 1
  strike score:
    final score: 44
    category: Poor
    category emoji: 💤
    confidence: 1
    confidence explanation: Very high confidence (0-1 day forecast)
    breakdown:
      swell direction:
        score: 12
        out of: 25
        explanation: Moderate alignment: Swell from 252° is 22° off optimal 230°, workable but not ideal.
      swell size:
        score: 17
        out of: 25
        explanation: Marginal size: 1.9m is 0.0m from ideal 1.9m.
      swell period:
        score: 6
        out of: 25
        explanation: Moderate period: 10s meets minimum 10s but below ideal 14s. Some groundswell energy present.
      wind:
        score: 9
        out of: 25
        explanation: Onshore/cross-shore: 11 km/h from 190° (S). Destroying wave quality. Offshore range: 50°-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 Constitucion. Either swell direction (252°), size (1.9m), or wind (11 km/h from 190°) is unfavorable. Consider other spots or wait for better conditions.
  conditions:
    swell:
      height m: 1.9
      height ft: 6.2
      direction degrees: 252
      direction cardinal: WSW
      period s: 10
      explanation: 1.9m (6.2ft) swell from 252° (WSW) at 10s period
    wind:
      speed kmh: 11
      speed mph: 6.8
      direction degrees: 190
      direction cardinal: S
      explanation: 11 km/h (7 mph) from 190° (S)
    secondary swell:
      height m: 0.5
      direction degrees: 222
      direction cardinal: SW
      period s: 8
    windswell:
      height m: 0.3
      period s: 1
      explanation: Local wind-generated waves (choppy, short-period)
forecasts:
  date: 2026-08-07
  day index: 2
  strike score:
    final score: 30
    category: Poor
    category emoji: 💤
    confidence: 0.95
    confidence explanation: High confidence (2-3 day forecast)
    breakdown:
      swell direction:
        score: 15
        out of: 25
        explanation: Moderate alignment: Swell from 246° is 16° off optimal 230°, workable but not ideal.
      swell size:
        score: 11
        out of: 25
        explanation: Marginal size: 1.3m is 0.6m from ideal 1.9m.
      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 248° (WSW). Destroying wave quality. Offshore range: 50°-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 Constitucion. Either swell direction (246°), size (1.3m), or wind (16 km/h from 248°) is unfavorable. Consider other spots or wait for better conditions.
  conditions:
    swell:
      height m: 1.3
      height ft: 4.3
      direction degrees: 246
      direction cardinal: WSW
      period s: 12
      explanation: 1.3m (4.3ft) swell from 246° (WSW) at 12s period
    wind:
      speed kmh: 16
      speed mph: 9.9
      direction degrees: 248
      direction cardinal: WSW
      explanation: 16 km/h (10 mph) from 248° (WSW)
    secondary swell:
      height m: 0.4
      direction degrees: 238
      direction cardinal: WSW
      period s: 13
    windswell:
      height m: 0.4
      period s: 2
      explanation: Local wind-generated waves (choppy, short-period)
forecasts:
  date: 2026-08-08
  day index: 3
provider: Strike Mission
date published: 2026-08-05T04:21:59.542Z
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)

final score: 80
category: Firing
category emoji: 🔥
confidence: 0.92
confidence explanation: High confidence (2-3 day forecast)
breakdown:
  swell direction:
    score: 17
    out of: 25
    explanation: Moderate alignment: Swell from 242° is 12° off optimal 230°, workable but not ideal.
  swell size:
    score: 24
    out of: 25
    explanation: Perfect size: 2.4m is at the sweet spot (ideal: 1.9m).
  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: 13
    out of: 25
    explanation: Onshore/cross-shore: 8 km/h from 323° (NW). Destroying wave quality. Offshore range: 50°-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: Excellent conditions at Constitucion. The 2.4m swell from 242° aligns well with the spot, and light offshore winds are grooming the face. Worth planning a trip around this.

swell:
  height m: 2.4
  height ft: 7.9
  direction degrees: 242
  direction cardinal: WSW
  period s: 15
  explanation: 2.4m (7.9ft) swell from 242° (WSW) at 15s period
wind:
  speed kmh: 8
  speed mph: 5.0
  direction degrees: 323
  direction cardinal: NW
  explanation: 8 km/h (5 mph) from 323° (NW)

date: 2026-08-09
day index: 4
strike score:
  final score: 77
  category: Good
  category emoji: ✅
  confidence: 0.89
  confidence explanation: Moderate confidence (4-5 day forecast)
  breakdown:
    swell direction:
      score: 21
      out of: 25
      explanation: Good alignment: Swell from 235° is 5° off optimal 230°, still within prime range.
    swell size:
      score: 20
      out of: 25
      explanation: Good size: 2.1m is within 15% of ideal 1.9m.
    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: 11
      out of: 25
      explanation: Onshore/cross-shore: 10 km/h from 185° (S). Destroying wave quality. Offshore range: 50°-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: Good surfable conditions at Constitucion. 2.1m swell from 235° with manageable wind. Solid session guaranteed.
conditions:
  swell:
    height m: 2.1
    height ft: 6.9
    direction degrees: 235
    direction cardinal: SW
    period s: 14
    explanation: 2.1m (6.9ft) swell from 235° (SW) at 14s period
  wind:
    speed kmh: 10
    speed mph: 6.2
    direction degrees: 185
    direction cardinal: S
    explanation: 10 km/h (6 mph) from 185° (S)

date: 2026-08-10
day index: 5
strike score:
  final score: 73
  category: Good
  category emoji: ✅
  confidence: 0.86
  confidence explanation: Moderate confidence (4-5 day forecast)
  breakdown:
    swell direction:
      score: 20
      out of: 25
      explanation: Good alignment: Swell from 237° is 7° off optimal 230°, still within prime range.
    swell size:
      score: 14
      out of: 25
      explanation: Marginal size: 1.6m is 0.3m from ideal 1.9m.
    swell period:
      score: 23
      out of: 25
      explanation: Good period: 13s is 93% of ideal 14s. Clean, powerful groundswell.
    wind:
      score: 16
      out of: 25
      explanation: Onshore/cross-shore: 6 km/h from 255° (WSW). Destroying wave quality. Offshore range: 50°-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: Good surfable conditions at Constitucion. 1.6m swell from 237° with manageable wind. Solid session guaranteed.
conditions:
  swell:
    height m: 1.6
    height ft: 5.2
    direction degrees: 237
    direction cardinal: WSW
    period s: 13
    explanation: 1.6m (5.2ft) swell from 237° (WSW) at 13s period
  wind:
    speed kmh: 6
    speed mph: 3.7
    direction degrees: 255
    direction cardinal: WSW
    explanation: 6 km/h (4 mph) from 255° (WSW)

date: 2026-08-11
day index: 6
strike score:
  final score: 62
  category: Fair
  category emoji: 😐
  confidence: 0.83
  confidence explanation: Low confidence (6-7 day forecast)
  breakdown:
    swell direction:
      score: 20
      out of: 25
      explanation: Good alignment: Swell from 237° is 7° off optimal 230°, still within prime range.
    swell size:
      score: 8
      out of: 25
      explanation: Marginal size: 0.8m is 1.1m from ideal 1.9m.
    swell period:
      score: 14
      out of: 25
      explanation: Moderate period: 12s meets minimum 10s but below ideal 14s. Some groundswell energy present.
    wind:
      score: 17
      out of: 25
      explanation: Onshore/cross-shore: 7 km/h from 200° (SSW). Destroying wave quality. Offshore range: 50°-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: Surfable but not special at Constitucion. The 0.8m swell from 237° is workable, but conditions aren't ideal. Fine if you're local, but not worth a dedicated trip.
conditions:
  swell:
    height m: 0.8
    height ft: 2.6
    direction degrees: 237
    direction cardinal: WSW
    period s: 12
    explanation: 0.8m (2.6ft) swell from 237° (WSW) at 12s period
  wind:
    speed kmh: 7
    speed mph: 4.3
    direction degrees: 200
    direction cardinal: SSW
    explanation: 7 km/h (4 mph) from 200° (SSW)

date: 2026-08-12
day index: 7
strike score:
  final score: 48
  category: Fair
  category emoji: 😐
  confidence: 0.8
  confidence explanation: Low confidence (6-7 day forecast)
  breakdown:
    swell direction:
      score: 4
      out of: 25
      explanation: Poor alignment: Swell from 280° is 50° off optimal 230°, barely within workable range 200°-270°.
    swell size:
      score: 9
      out of: 25
      explanation: Marginal size: 1.0m is 0.9m from ideal 1.9m.
    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: 12
      out of: 25
      explanation: Onshore/cross-shore: 9 km/h from 200° (SSW). Destroying wave quality. Offshore range: 50°-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: Surfable but not special at Constitucion. The 1.0m swell from 280° is workable, but conditions aren't ideal. Fine if you're local, but not worth a dedicated trip.
conditions:
  swell:
    height m: 1
    height ft: 3.3
    direction degrees: 280
    direction cardinal: W
    period s: 15
    explanation: 1.0m (3.3ft) swell from 280° (W) at 15s period
  wind:
    speed kmh: 9
    speed mph: 5.6
    direction degrees: 200
    direction cardinal: SSW
    explanation: 9 km/h (6 mph) from 200° (SSW)
  windswell:
    height m: 0.3
    period s: 2
    explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-13
day index: 8
strike score:
  final score: 61
  category: Fair
  category emoji: 😐
  confidence: 0.8
  confidence explanation: Very low confidence (8-10 day forecast, conditions may change)
  breakdown:
    swell direction:
      score: 11
      out of: 25
      explanation: Moderate alignment: Swell from 255° is 25° off optimal 230°, workable but not ideal.
    swell size:
      score: 10
      out of: 25
      explanation: Marginal size: 1.1m is 0.8m from ideal 1.9m.
    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: 18
      out of: 25
      explanation: Onshore/cross-shore: 8 km/h from 30° (NNE). Destroying wave quality. Offshore range: 50°-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: Surfable but not special at Constitucion. The 1.1m swell from 255° 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: 255
    direction cardinal: WSW
    period s: 16
    explanation: 1.1m (3.6ft) swell from 255° (WSW) at 16s period
  wind:
    speed kmh: 8
    speed mph: 5.0
    direction degrees: 30
    direction cardinal: NNE
    explanation: 8 km/h (5 mph) from 30° (NNE)

date: 2026-08-14
day index: 9
strike score:
  final score: 36
  category: Poor
  category emoji: 💤
  confidence: 0.8
  confidence explanation: Very low confidence (8-10 day forecast, conditions may change)
  breakdown:
    swell direction:
      score: 12
      out of: 25
      explanation: Moderate alignment: Swell from 252° is 22° off optimal 230°, workable but not ideal.
    swell size:
      score: 8
      out of: 25
      explanation: Marginal size: 0.8m is 1.1m from ideal 1.9m.
    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: 1
      out of: 25
      explanation: Onshore/cross-shore: 31 km/h from 32° (NNE). Destroying wave quality. Offshore range: 50°-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 Constitucion. Either swell direction (252°), size (0.8m), or wind (31 km/h from 32°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.8
    height ft: 2.6
    direction degrees: 252
    direction cardinal: WSW
    period s: 14
    explanation: 0.8m (2.6ft) swell from 252° (WSW) at 14s period
  wind:
    speed kmh: 31
    speed mph: 19.3
    direction degrees: 32
    direction cardinal: NNE
    explanation: 31 km/h (19 mph) from 32° (NNE)

Strike Mission
type: Organization