Surf Forecast for Puertecillo
type: Dataset
description: 10-day surf forecast with Strike Scores for Puertecillo, O'Higgins Region, Chile
about: Puertecillo
  type: TouristAttraction
  geo: GeoCoordinates
    latitude: -34.06506
    longitude: -71.94103
  description: Puertecillo is a quality left point break north of Pichilemu, offering long rides when WSW swells wrap into the bay. A less crowded alternative to the famous breaks further south.
summary:
  best day:
    date: 2026-08-05
    score: 70
    category: Good
    explanation: Best day in the forecast: 2026-08-05 with a score of 70/100 (Good)
  firing days count: 0
  overall recommendation: Marginal conditions: Average score 51/100. Surfable but not special. Consider other spots.
forecasts:
  date: 2026-08-05
  day index: 0
  strike score:
    final score: 70
    category: Good
    category emoji: ✅
    confidence: 1
    confidence explanation: Very high confidence (0-1 day forecast)
    breakdown:
      swell direction:
        score: 24
        out of: 25
        explanation: Perfect alignment: Swell from 248° is within 5° of optimal 247°.
      swell size:
        score: 19
        out of: 25
        explanation: Marginal size: 2.2m is 0.1m from ideal 2.1m.
      swell period:
        score: 8
        out of: 25
        explanation: Moderate period: 13s meets minimum 12s but below ideal 16s. Some groundswell energy present.
      wind:
        score: 18
        out of: 25
        explanation: Onshore/cross-shore: 6 km/h from 16° (NNE). Destroying wave quality. Offshore range: 90°-135°.
    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 Puertecillo. 2.2m swell from 248° with manageable wind. Solid session guaranteed.
  conditions:
    swell:
      height m: 2.2
      height ft: 7.2
      direction degrees: 248
      direction cardinal: WSW
      period s: 13
      explanation: 2.2m (7.2ft) swell from 248° (WSW) at 13s period
    wind:
      speed kmh: 6
      speed mph: 3.7
      direction degrees: 16
      direction cardinal: NNE
      explanation: 6 km/h (4 mph) from 16° (NNE)
forecasts:
  date: 2026-08-06
  day index: 1
  strike score:
    final score: 45
    category: Fair
    category emoji: 😐
    confidence: 1
    confidence explanation: Very high confidence (0-1 day forecast)
    breakdown:
      swell direction:
        score: 25
        out of: 25
        explanation: Perfect alignment: Swell from 247° is within 5° of optimal 247°.
      swell size:
        score: 20
        out of: 25
        explanation: Good size: 2.7m is within 15% of ideal 2.1m.
      swell period:
        score: 4
        out of: 25
        explanation: Short period: 11s is below minimum 12s. Windswell-dominated (choppy, weak waves).
      wind:
        score: 1
        out of: 25
        explanation: Onshore/cross-shore: 15 km/h from 184° (S). Destroying wave quality. Offshore range: 90°-135°.
    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 Puertecillo. The 2.7m swell from 247° is workable, but conditions aren't ideal. Fine if you're local, but not worth a dedicated trip.
  conditions:
    swell:
      height m: 2.7
      height ft: 8.9
      direction degrees: 247
      direction cardinal: WSW
      period s: 11
      explanation: 2.7m (8.9ft) swell from 247° (WSW) at 11s period
    wind:
      speed kmh: 15
      speed mph: 9.3
      direction degrees: 184
      direction cardinal: S
      explanation: 15 km/h (9 mph) from 184° (S)
    windswell:
      height m: 0.5
      period s: 3
      explanation: Local wind-generated waves (choppy, short-period)
forecasts:
  date: 2026-08-07
  day index: 2
  strike score:
    final score: 49
    category: Fair
    category emoji: 😐
    confidence: 0.95
    confidence explanation: High confidence (2-3 day forecast)
    breakdown:
      swell direction:
        score: 22
        out of: 25
        explanation: Good alignment: Swell from 243° is 4° off optimal 247°, still within prime range.
      swell size:
        score: 11
        out of: 25
        explanation: Marginal size: 1.6m is 0.5m from ideal 2.1m.
      swell period:
        score: 8
        out of: 25
        explanation: Moderate period: 13s meets minimum 12s but below ideal 16s. Some groundswell energy present.
      wind:
        score: 7
        out of: 25
        explanation: Onshore/cross-shore: 12 km/h from 223° (SW). Destroying wave quality. Offshore range: 90°-135°.
    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 Puertecillo. The 1.6m swell from 243° is workable, but conditions aren't ideal. Fine if you're local, but not worth a dedicated trip.
  conditions:
    swell:
      height m: 1.6
      height ft: 5.2
      direction degrees: 243
      direction cardinal: WSW
      period s: 13
      explanation: 1.6m (5.2ft) swell from 243° (WSW) at 13s period
    wind:
      speed kmh: 12
      speed mph: 7.5
      direction degrees: 223
      direction cardinal: SW
      explanation: 12 km/h (7 mph) from 223° (SW)
    secondary swell:
      height m: 0.6
      direction degrees: 231
      direction cardinal: SW
      period s: 14
forecasts:
  date: 2026-08-08
  day index: 3
  strike score:
    final score: 64
    category: Fair
    category emoji: 😐
    confidence: 0.92
    confidence explanation: High confidence (2-3 day forecast)
    breakdown:
      swell direction:
        score: 16
        out of: 25
        explanation: Moderate alignment: Swell from 234° is 13° off optimal 247°, workable but not ideal.
      swell size:
        score: 8
        out of: 25
        explanation: Too big: 3.6m exceeds maximum 3.0m. Risk of closeouts.
    summary: Surfable but not special at Puertecillo. The 3.6m swell from 234° is workable, but conditions aren't ideal. Fine if you're local, but not worth a dedicated trip.
provider: Strike Mission
date published: 2026-08-05T04:15:19.786Z
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: 23
out of: 25
explanation: Good period: 15s is 94% of ideal 16s. Clean, powerful groundswell.

score: 16
out of: 25
explanation: Onshore/cross-shore: 9 km/h from 188° (S). Destroying wave quality. Offshore range: 90°-135°.

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: 3.6
  height ft: 11.8
  direction degrees: 234
  direction cardinal: SW
  period s: 15
  explanation: 3.6m (11.8ft) swell from 234° (SW) at 15s period
wind:
  speed kmh: 9
  speed mph: 5.6
  direction degrees: 188
  direction cardinal: S
  explanation: 9 km/h (6 mph) from 188° (S)

date: 2026-08-09
day index: 4
strike score:
  final score: 37
  category: Poor
  category emoji: 💤
  confidence: 0.89
  confidence explanation: Moderate confidence (4-5 day forecast)
  breakdown:
    swell direction:
      score: 15
      out of: 25
      explanation: Moderate alignment: Swell from 231° is 16° off optimal 247°, workable but not ideal.
    swell size:
      score: 12
      out of: 25
      explanation: Too big: 3.3m exceeds maximum 3.0m. Risk of closeouts.
    swell period:
      score: 14
      out of: 25
      explanation: Moderate period: 14s meets minimum 12s but below ideal 16s. Some groundswell energy present.
    wind:
      score: 1
      out of: 25
      explanation: Onshore/cross-shore: 17 km/h from 188° (S). Destroying wave quality. Offshore range: 90°-135°.
  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 Puertecillo. Either swell direction (231°), size (3.3m), or wind (17 km/h from 188°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 3.3
    height ft: 10.8
    direction degrees: 231
    direction cardinal: SW
    period s: 14
    explanation: 3.3m (10.8ft) swell from 231° (SW) at 14s period
  wind:
    speed kmh: 17
    speed mph: 10.6
    direction degrees: 188
    direction cardinal: S
    explanation: 17 km/h (11 mph) from 188° (S)
  windswell:
    height m: 0.5
    period s: 3
    explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-10
day index: 5
strike score:
  final score: 61
  category: Fair
  category emoji: 😐
  confidence: 0.86
  confidence explanation: Moderate confidence (4-5 day forecast)
  breakdown:
    swell direction:
      score: 14
      out of: 25
      explanation: Moderate alignment: Swell from 229° is 18° off optimal 247°, workable but not ideal.
    swell size:
      score: 17
      out of: 25
      explanation: Marginal size: 2.1m is 0.0m from ideal 2.1m.
    swell period:
      score: 14
      out of: 25
      explanation: Moderate period: 14s meets minimum 12s but below ideal 16s. Some groundswell energy present.
    wind:
      score: 16
      out of: 25
      explanation: Onshore/cross-shore: 9 km/h from 190° (S). Destroying wave quality. Offshore range: 90°-135°.
  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 Puertecillo. The 2.1m swell from 229° 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: 229
    direction cardinal: SW
    period s: 14
    explanation: 2.1m (6.9ft) swell from 229° (SW) at 14s period
  wind:
    speed kmh: 9
    speed mph: 5.6
    direction degrees: 190
    direction cardinal: S
    explanation: 9 km/h (6 mph) from 190° (S)

date: 2026-08-11
day index: 6
strike score:
  final score: 36
  category: Poor
  category emoji: 💤
  confidence: 0.83
  confidence explanation: Low confidence (6-7 day forecast)
  breakdown:
    swell direction:
      score: 13
      out of: 25
      explanation: Moderate alignment: Swell from 227° is 20° off optimal 247°, workable but not ideal.
    swell size:
      score: 8
      out of: 25
      explanation: Marginal size: 1.2m is 0.9m from ideal 2.1m.
    swell period:
      score: 8
      out of: 25
      explanation: Moderate period: 13s meets minimum 12s but below ideal 16s. Some groundswell energy present.
    wind:
      score: 13
      out of: 25
      explanation: Onshore/cross-shore: 10 km/h from 175° (S). Destroying wave quality. Offshore range: 90°-135°.
  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 Puertecillo. Either swell direction (227°), size (1.2m), or wind (10 km/h from 175°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 1.2
    height ft: 3.9
    direction degrees: 227
    direction cardinal: SW
    period s: 13
    explanation: 1.2m (3.9ft) swell from 227° (SW) at 13s period
  wind:
    speed kmh: 10
    speed mph: 6.2
    direction degrees: 175
    direction cardinal: S
    explanation: 10 km/h (6 mph) from 175° (S)

date: 2026-08-12
day index: 7
strike score:
  final score: 41
  category: Poor
  category emoji: 💤
  confidence: 0.8
  confidence explanation: Low confidence (6-7 day forecast)
  breakdown:
    swell direction:
      score: 15
      out of: 25
      explanation: Moderate alignment: Swell from 262° is 15° off optimal 247°, workable but not ideal.
    swell size:
      score: 3
      out of: 25
      explanation: Too small: 0.9m is below minimum 1.2m. Waves will be weak/mushy.
    swell period:
      score: 23
      out of: 25
      explanation: Good period: 15s is 94% of ideal 16s. Clean, powerful groundswell.
    wind:
      score: 7
      out of: 25
      explanation: Onshore/cross-shore: 13 km/h from 196° (SSW). Destroying wave quality. Offshore range: 90°-135°.
  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 Puertecillo. Either swell direction (262°), size (0.9m), or wind (13 km/h from 196°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.9
    height ft: 3.0
    direction degrees: 262
    direction cardinal: W
    period s: 15
    explanation: 0.9m (3.0ft) swell from 262° (W) at 15s period
  wind:
    speed kmh: 13
    speed mph: 8.1
    direction degrees: 196
    direction cardinal: SSW
    explanation: 13 km/h (8 mph) from 196° (SSW)
  secondary swell:
    height m: 0.4
    direction degrees: 221
    direction cardinal: SW
    period s: 9
  windswell:
    height m: 0.4
    period s: 2
    explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-13
day index: 8
strike score:
  final score: 68
  category: Good
  category emoji: ✅
  confidence: 0.8
  confidence explanation: Very low confidence (8-10 day forecast, conditions may change)
  breakdown:
    swell direction:
      score: 21
      out of: 25
      explanation: Good alignment: Swell from 242° is 5° off optimal 247°, still within prime range.
    swell size:
      score: 10
      out of: 25
      explanation: Marginal size: 1.4m is 0.7m from ideal 2.1m.
    swell period:
      score: 25
      out of: 25
      explanation: Perfect period: 16s is at or above ideal 16s. Long-period groundswell with maximum power.
    wind:
      score: 16
      out of: 25
      explanation: Onshore/cross-shore: 9 km/h from 22° (NNE). Destroying wave quality. Offshore range: 90°-135°.
  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 Puertecillo. 1.4m swell from 242° with manageable wind. Solid session guaranteed.
conditions:
  swell:
    height m: 1.4
    height ft: 4.6
    direction degrees: 242
    direction cardinal: WSW
    period s: 16
    explanation: 1.4m (4.6ft) swell from 242° (WSW) at 16s period
  wind:
    speed kmh: 9
    speed mph: 5.6
    direction degrees: 22
    direction cardinal: NNE
    explanation: 9 km/h (6 mph) from 22° (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: 25
      out of: 25
      explanation: Perfect alignment: Swell from 247° is within 5° of optimal 247°.
    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: 15s is 94% of ideal 16s. Clean, powerful groundswell.
    wind:
      score: 0
      out of: 25
      explanation: Onshore/cross-shore: 32 km/h from 24° (NNE). Destroying wave quality. Offshore range: 90°-135°.
  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 Puertecillo. Either swell direction (247°), size (1.0m), or wind (32 km/h from 24°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 1
    height ft: 3.3
    direction degrees: 247
    direction cardinal: WSW
    period s: 15
    explanation: 1.0m (3.3ft) swell from 247° (WSW) at 15s period
  wind:
    speed kmh: 32
    speed mph: 19.9
    direction degrees: 24
    direction cardinal: NNE
    explanation: 32 km/h (20 mph) from 24° (NNE)

Strike Mission
type: Organization