Surf Forecast for Playa Chinchorro
type: Dataset
description: 10-day surf forecast with Strike Scores for Playa Chinchorro, Arica, Chile
about: Playa Chinchorro
  type: TouristAttraction
  geo: GeoCoordinates
    latitude: -18.4589
    longitude: -70.3322
  description: Playa Chinchorro is the main surf beach in Arica, Chile's northernmost coastal city. This west-facing beach break offers consistent waves year-round.
summary:
  best day:
    date: 2026-08-05
    score: 86
    category: Firing
    explanation: Best day in the forecast: 2026-08-05 with a score of 86/100 (Firing)
  firing days count: 4
  firing days:
    date: 2026-08-04
    score: 85
  firing days:
    date: 2026-08-05
    score: 86
  firing days:
    date: 2026-08-06
    score: 85
  firing days:
    date: 2026-08-07
    score: 86
  overall recommendation: Strong recommendation: Playa Chinchorro has 4 Firing days in the next 10 days. Book your trip!
forecasts:
  date: 2026-08-04
  day index: 0
  strike score:
    final score: 85
    category: Firing
    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 219° is 6° off optimal 225°, still within prime range.
      swell size:
        score: 25
        out of: 25
        explanation: Perfect size: 2.0m is at the sweet spot (ideal: 1.6m).
      swell period:
        score: 23
        out of: 25
        explanation: Good period: 13s is 93% of ideal 14s. Clean, powerful groundswell.
      wind:
        score: 15
        out of: 25
        explanation: Onshore/cross-shore: 7 km/h from 260° (W). 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 Playa Chinchorro. The 2.0m swell from 219° aligns well with the spot, and light offshore winds are grooming the face. Worth planning a trip around this.
  conditions:
    swell:
      height m: 2
      height ft: 6.6
      direction degrees: 219
      direction cardinal: SW
      period s: 13
      explanation: 2.0m (6.6ft) swell from 219° (SW) at 13s period
    wind:
      speed kmh: 7
      speed mph: 4.3
      direction degrees: 260
      direction cardinal: W
      explanation: 7 km/h (4 mph) from 260° (W)
forecasts:
  date: 2026-08-05
  day index: 1
  strike score:
    final score: 86
    category: Firing
    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 221° is 4° off optimal 225°, still within prime range.
      swell size:
        score: 25
        out of: 25
        explanation: Perfect size: 2.0m is at the sweet spot (ideal: 1.6m).
      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 252° (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: Excellent conditions at Playa Chinchorro. The 2.0m swell from 221° aligns well with the spot, and light offshore winds are grooming the face. Worth planning a trip around this.
  conditions:
    swell:
      height m: 2
      height ft: 6.6
      direction degrees: 221
      direction cardinal: SW
      period s: 13
      explanation: 2.0m (6.6ft) swell from 221° (SW) at 13s period
    wind:
      speed kmh: 6
      speed mph: 3.7
      direction degrees: 252
      direction cardinal: WSW
      explanation: 6 km/h (4 mph) from 252° (WSW)
forecasts:
  date: 2026-08-06
  day index: 2
  strike score:
    final score: 85
    category: Firing
    category emoji: 🔥
    confidence: 0.95
    confidence explanation: High confidence (2-3 day forecast)
    breakdown:
      swell direction:
        score: 24
        out of: 25
        explanation: Perfect alignment: Swell from 224° is within 5° of optimal 225°.
      swell size:
        score: 20
        out of: 25
        explanation: Good size: 1.8m is within 15% of ideal 1.6m.
      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 236° (SW). 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 Playa Chinchorro. The 1.8m swell from 224° aligns well with the spot, and light offshore winds are grooming the face. Worth planning a trip around this.
  conditions:
    swell:
      height m: 1.8
      height ft: 5.9
      direction degrees: 224
      direction cardinal: SW
      period s: 13
      explanation: 1.8m (5.9ft) swell from 224° (SW) at 13s period
    wind:
      speed kmh: 6
      speed mph: 3.7
      direction degrees: 236
      direction cardinal: SW
      explanation: 6 km/h (4 mph) from 236° (SW)
    secondary swell:
      height m: 0.6
      direction degrees: 207
      direction cardinal: SSW
      period s: 12
forecasts:
  date: 2026-08-07
  day index: 3
  strike score:
    final score: 86
    category: Firing
    category emoji: 🔥
    confidence: 0.92
    confidence explanation: High confidence (2-3 day forecast)
    summary: Excellent conditions at Playa Chinchorro. The 2.0m swell from 221° aligns well with the spot, and light offshore winds are grooming the face. Worth planning a trip around this.
provider: Strike Mission
date published: 2026-08-05T03:13:57.434Z
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: 22
  out of: 25
  explanation: Good alignment: Swell from 221° is 4° off optimal 225°, still within prime range.
swell size:
  score: 25
  out of: 25
  explanation: Perfect size: 2.0m is at the sweet spot (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: 16
  out of: 25
  explanation: Onshore/cross-shore: 6 km/h from 282° (WNW). Destroying wave quality. Offshore range: 50°-130°.

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: 2
  height ft: 6.6
  direction degrees: 221
  direction cardinal: SW
  period s: 15
  explanation: 2.0m (6.6ft) swell from 221° (SW) at 15s period
wind:
  speed kmh: 6
  speed mph: 3.7
  direction degrees: 282
  direction cardinal: WNW
  explanation: 6 km/h (4 mph) from 282° (WNW)

date: 2026-08-08
day index: 4
strike score:
  final score: 67
  category: Good
  category emoji: ✅
  confidence: 0.89
  confidence explanation: Moderate confidence (4-5 day forecast)
  breakdown:
    swell direction:
      score: 17
      out of: 25
      explanation: Moderate alignment: Swell from 214° is 11° off optimal 225°, workable but not ideal.
    swell size:
      score: 20
      out of: 25
      explanation: Good size: 1.8m is within 15% of 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: 15
      out of: 25
      explanation: Onshore/cross-shore: 7 km/h from 247° (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 Playa Chinchorro. 1.8m swell from 214° with manageable wind. Solid session guaranteed.
conditions:
  swell:
    height m: 1.8
    height ft: 5.9
    direction degrees: 214
    direction cardinal: SW
    period s: 12
    explanation: 1.8m (5.9ft) swell from 214° (SW) at 12s period
  wind:
    speed kmh: 7
    speed mph: 4.3
    direction degrees: 247
    direction cardinal: WSW
    explanation: 7 km/h (4 mph) from 247° (WSW)
  secondary swell:
    height m: 0.5
    direction degrees: 218
    direction cardinal: SW
    period s: 15

date: 2026-08-09
day index: 5
strike score:
  final score: 57
  category: Fair
  category emoji: 😐
  confidence: 0.86
  confidence explanation: Moderate confidence (4-5 day forecast)
  breakdown:
    swell direction:
      score: 15
      out of: 25
      explanation: Moderate alignment: Swell from 209° is 16° off optimal 225°, workable but not ideal.
    swell size:
      score: 20
      out of: 25
      explanation: Good size: 1.8m is within 15% of ideal 1.6m.
    swell period:
      score: 8
      out of: 25
      explanation: Moderate period: 11s 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 269° (W). 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 Playa Chinchorro. The 1.8m swell from 209° is workable, but conditions aren't ideal. Fine if you're local, but not worth a dedicated trip.
conditions:
  swell:
    height m: 1.8
    height ft: 5.9
    direction degrees: 209
    direction cardinal: SSW
    period s: 11
    explanation: 1.8m (5.9ft) swell from 209° (SSW) at 11s period
  wind:
    speed kmh: 8
    speed mph: 5.0
    direction degrees: 269
    direction cardinal: W
    explanation: 8 km/h (5 mph) from 269° (W)
  secondary swell:
    height m: 1.2
    direction degrees: 213
    direction cardinal: SSW
    period s: 14

date: 2026-08-10
day index: 6
strike score:
  final score: 67
  category: Good
  category emoji: ✅
  confidence: 0.83
  confidence explanation: Low confidence (6-7 day forecast)
  breakdown:
    swell direction:
      score: 14
      out of: 25
      explanation: Moderate alignment: Swell from 208° is 17° off optimal 225°, workable but not ideal.
    swell size:
      score: 11
      out of: 25
      explanation: Too big: 2.8m exceeds maximum 2.5m. Risk of closeouts.
    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: 16
      out of: 25
      explanation: Onshore/cross-shore: 6 km/h from 284° (WNW). 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 Playa Chinchorro. 2.8m swell from 208° with manageable wind. Solid session guaranteed.
conditions:
  swell:
    height m: 2.8
    height ft: 9.2
    direction degrees: 208
    direction cardinal: SSW
    period s: 14
    explanation: 2.8m (9.2ft) swell from 208° (SSW) at 14s period
  wind:
    speed kmh: 6
    speed mph: 3.7
    direction degrees: 284
    direction cardinal: WNW
    explanation: 6 km/h (4 mph) from 284° (WNW)

date: 2026-08-11
day index: 7
strike score:
  final score: 72
  category: Good
  category emoji: ✅
  confidence: 0.8
  confidence explanation: Low confidence (6-7 day forecast)
  breakdown:
    swell direction:
      score: 13
      out of: 25
      explanation: Moderate alignment: Swell from 206° is 19° off optimal 225°, workable but not ideal.
    swell size:
      score: 17
      out of: 25
      explanation: Marginal size: 2.5m 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: 16
      out of: 25
      explanation: Onshore/cross-shore: 6 km/h from 275° (W). 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 Playa Chinchorro. 2.5m swell from 206° with manageable wind. Solid session guaranteed.
conditions:
  swell:
    height m: 2.5
    height ft: 8.2
    direction degrees: 206
    direction cardinal: SSW
    period s: 15
    explanation: 2.5m (8.2ft) swell from 206° (SSW) at 15s period
  wind:
    speed kmh: 6
    speed mph: 3.7
    direction degrees: 275
    direction cardinal: W
    explanation: 6 km/h (4 mph) from 275° (W)

date: 2026-08-12
day index: 8
strike score:
  final score: 74
  category: Good
  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 203° is 22° off optimal 225°, workable but not ideal.
    swell size:
      score: 20
      out of: 25
      explanation: Good size: 2.2m is within 15% of 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: 15
      out of: 25
      explanation: Onshore/cross-shore: 7 km/h from 253° (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 Playa Chinchorro. 2.2m swell from 203° with manageable wind. Solid session guaranteed.
conditions:
  swell:
    height m: 2.2
    height ft: 7.2
    direction degrees: 203
    direction cardinal: SSW
    period s: 14
    explanation: 2.2m (7.2ft) swell from 203° (SSW) at 14s period
  wind:
    speed kmh: 7
    speed mph: 4.3
    direction degrees: 253
    direction cardinal: WSW
    explanation: 7 km/h (4 mph) from 253° (WSW)

date: 2026-08-13
day index: 9
strike score:
  final score: 50
  category: Fair
  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 203° is 22° off optimal 225°, workable but not ideal.
    swell size:
      score: 16
      out of: 25
      explanation: Marginal size: 1.6m is 0.0m from ideal 1.6m.
    swell period:
      score: 4
      out of: 25
      explanation: Short period: 9s is below minimum 10s. Windswell-dominated (choppy, weak waves).
    wind:
      score: 16
      out of: 25
      explanation: Onshore/cross-shore: 6 km/h from 226° (SW). 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 Playa Chinchorro. The 1.6m swell from 203° 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: 203
    direction cardinal: SSW
    period s: 9
    explanation: 1.6m (5.2ft) swell from 203° (SSW) at 9s period
  wind:
    speed kmh: 6
    speed mph: 3.7
    direction degrees: 226
    direction cardinal: SW
    explanation: 6 km/h (4 mph) from 226° (SW)
  secondary swell:
    height m: 0.7
    direction degrees: 233
    direction cardinal: SW
    period s: 15

Strike Mission
type: Organization