Surf Forecast for Stoners
type: Dataset
description: 10-day surf forecast with Strike Scores for Stoners, San Blas, Mexico
about: Stoners
  type: TouristAttraction
  geo: GeoCoordinates
    latitude: 21.5
    longitude: -105.25
  description: Stoners is a long right point near San Blas that can connect with Las Islitas on big swells for extraordinarily long rides. The wave offers consistent walls perfect for carving and the occasional barrel section. The laid-back surf scene here attracts those looking to escape crowds and enjoy Mexico's jungle coast.
summary:
  best day:
    date: 2026-08-07
    score: 49
    category: Fair
    explanation: Best day in the forecast: 2026-08-07 with a score of 49/100 (Fair)
  firing days count: 0
  overall recommendation: Poor conditions overall: Average score 27/100. Look for spots with better forecasts.
forecasts:
  date: 2026-08-04
  day index: 0
  strike score:
    final score: 17
    category: Poor
    category emoji: 💤
    confidence: 1
    confidence explanation: Very high confidence (0-1 day forecast)
    breakdown:
      swell direction:
        score: 6
        out of: 25
        explanation: Poor alignment: Swell from 224° is 44° off optimal 180°, barely within workable range 165°-195°.
      swell size:
        score: 2
        out of: 25
        explanation: Too small: 0.6m is below minimum 0.9m. Waves will be weak/mushy.
      swell period:
        score: 6
        out of: 25
        explanation: Moderate period: 12s meets minimum 12s but below ideal 15s. Some groundswell energy present.
      wind:
        score: 16
        out of: 25
        explanation: Onshore/cross-shore: 6 km/h from 231° (SW). Destroying wave quality. Offshore range: 30°-60°.
    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 Stoners. Either swell direction (224°), size (0.6m), or wind (6 km/h from 231°) is unfavorable. Consider other spots or wait for better conditions.
  conditions:
    swell:
      height m: 0.6
      height ft: 2.0
      direction degrees: 224
      direction cardinal: SW
      period s: 12
      explanation: 0.6m (2.0ft) swell from 224° (SW) at 12s period
    wind:
      speed kmh: 6
      speed mph: 3.7
      direction degrees: 231
      direction cardinal: SW
      explanation: 6 km/h (4 mph) from 231° (SW)
forecasts:
  date: 2026-08-05
  day index: 1
  strike score:
    final score: 9
    category: Poor
    category emoji: 💤
    confidence: 1
    confidence explanation: Very high confidence (0-1 day forecast)
    breakdown:
      swell direction:
        score: 4
        out of: 25
        explanation: Poor alignment: Swell from 230° is 50° off optimal 180°, barely within workable range 165°-195°.
      swell size:
        score: 2
        out of: 25
        explanation: Too small: 0.5m is below minimum 0.9m. Waves will be weak/mushy.
      swell period:
        score: 4
        out of: 25
        explanation: Short period: 11s is below minimum 12s. Windswell-dominated (choppy, weak waves).
      wind:
        score: 13
        out of: 25
        explanation: Onshore/cross-shore: 10 km/h from 316° (NW). Destroying wave quality. Offshore range: 30°-60°.
    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 Stoners. Either swell direction (230°), size (0.5m), or wind (10 km/h from 316°) is unfavorable. Consider other spots or wait for better conditions.
  conditions:
    swell:
      height m: 0.5
      height ft: 1.6
      direction degrees: 230
      direction cardinal: SW
      period s: 11
      explanation: 0.5m (1.6ft) swell from 230° (SW) at 11s period
    wind:
      speed kmh: 10
      speed mph: 6.2
      direction degrees: 316
      direction cardinal: NW
      explanation: 10 km/h (6 mph) from 316° (NW)
forecasts:
  date: 2026-08-06
  day index: 2
  strike score:
    final score: 19
    category: Poor
    category emoji: 💤
    confidence: 0.95
    confidence explanation: High confidence (2-3 day forecast)
    breakdown:
      swell direction:
        score: 6
        out of: 25
        explanation: Poor alignment: Swell from 225° is 45° off optimal 180°, barely within workable range 165°-195°.
      swell size:
        score: 2
        out of: 25
        explanation: Too small: 0.6m is below minimum 0.9m. Waves will be weak/mushy.
      swell period:
        score: 10
        out of: 25
        explanation: Moderate period: 13s meets minimum 12s but below ideal 15s. Some groundswell energy present.
      wind:
        score: 14
        out of: 25
        explanation: Onshore/cross-shore: 8 km/h from 308° (NW). Destroying wave quality. Offshore range: 30°-60°.
    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 Stoners. Either swell direction (225°), size (0.6m), or wind (8 km/h from 308°) is unfavorable. Consider other spots or wait for better conditions.
  conditions:
    swell:
      height m: 0.6
      height ft: 2.0
      direction degrees: 225
      direction cardinal: SW
      period s: 13
      explanation: 0.6m (2.0ft) swell from 225° (SW) at 13s period
    wind:
      speed kmh: 8
      speed mph: 5.0
      direction degrees: 308
      direction cardinal: NW
      explanation: 8 km/h (5 mph) from 308° (NW)
forecasts:
  date: 2026-08-07
  day index: 3
  strike score:
    final score: 49
    category: Fair
    category emoji: 😐
    confidence: 0.92
    confidence explanation: High confidence (2-3 day forecast)
    breakdown:
      swell direction:
        score: 7
        out of: 25
        explanation: Poor alignment: Swell from 220° is 40° off optimal 180°, barely within workable range 165°-195°.
      swell size:
        score: 5
        out of: 25
        explanation: Too small: 0.8m is below minimum 0.9m. Waves will be weak/mushy.
      swell period:
        score: 21
        out of: 25
        explanation: Good period: 14s is 93% of ideal 15s. Clean, powerful groundswell.
      wind:
        score: 20
        out of: 25
        explanation: Onshore/cross-shore: 7 km/h from 324° (NW). Destroying wave quality. Offshore range: 30°-60°.
    summary: Surfable but not special at Stoners. The 0.8m swell from 220° is workable, but conditions aren't ideal. Fine if you're local, but not worth a dedicated trip.
provider: Strike Mission
date published: 2026-08-05T03:14:22.108Z
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: 0.8
  height ft: 2.6
  direction degrees: 220
  direction cardinal: SW
  period s: 14
  explanation: 0.8m (2.6ft) swell from 220° (SW) at 14s period
wind:
  speed kmh: 7
  speed mph: 4.3
  direction degrees: 324
  direction cardinal: NW
  explanation: 7 km/h (4 mph) from 324° (NW)

date: 2026-08-08
day index: 4
strike score:
  final score: 30
  category: Poor
  category emoji: 💤
  confidence: 0.89
  confidence explanation: Moderate confidence (4-5 day forecast)
  breakdown:
    swell direction:
      score: 7
      out of: 25
      explanation: Poor alignment: Swell from 220° is 40° off optimal 180°, barely within workable range 165°-195°.
    swell size:
      score: 8
      out of: 25
      explanation: Marginal size: 0.9m is 0.7m from ideal 1.6m.
    swell period:
      score: 10
      out of: 25
      explanation: Moderate period: 13s meets minimum 12s but below ideal 15s. Some groundswell energy present.
    wind:
      score: 15
      out of: 25
      explanation: Onshore/cross-shore: 7 km/h from 233° (SW). Destroying wave quality. Offshore range: 30°-60°.
  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 Stoners. Either swell direction (220°), size (0.9m), or wind (7 km/h from 233°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.9
    height ft: 3.0
    direction degrees: 220
    direction cardinal: SW
    period s: 13
    explanation: 0.9m (3.0ft) swell from 220° (SW) at 13s period
  wind:
    speed kmh: 7
    speed mph: 4.3
    direction degrees: 233
    direction cardinal: SW
    explanation: 7 km/h (4 mph) from 233° (SW)

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: 8
      out of: 25
      explanation: Poor alignment: Swell from 216° is 36° off optimal 180°, barely within workable range 165°-195°.
    swell size:
      score: 5
      out of: 25
      explanation: Too small: 0.8m is below minimum 0.9m. Waves will be weak/mushy.
    swell period:
      score: 6
      out of: 25
      explanation: Moderate period: 12s meets minimum 12s but below ideal 15s. Some groundswell energy present.
    wind:
      score: 25
      out of: 25
      explanation: Onshore/cross-shore: 4 km/h from 3° (N). Destroying wave quality. Offshore range: 30°-60°.
  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 Stoners. Either swell direction (216°), size (0.8m), or wind (4 km/h from 3°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.8
    height ft: 2.6
    direction degrees: 216
    direction cardinal: SW
    period s: 12
    explanation: 0.8m (2.6ft) swell from 216° (SW) at 12s period
  wind:
    speed kmh: 4
    speed mph: 2.5
    direction degrees: 3
    direction cardinal: N
    explanation: 4 km/h (2 mph) from 3° (N)

date: 2026-08-10
day index: 6
strike score:
  final score: 27
  category: Poor
  category emoji: 💤
  confidence: 0.83
  confidence explanation: Low confidence (6-7 day forecast)
  breakdown:
    swell direction:
      score: 8
      out of: 25
      explanation: Poor alignment: Swell from 213° is 33° off optimal 180°, barely within workable range 165°-195°.
    swell size:
      score: 2
      out of: 25
      explanation: Too small: 0.6m is below minimum 0.9m. Waves will be weak/mushy.
    swell period:
      score: 4
      out of: 25
      explanation: Short period: 11s is below minimum 12s. Windswell-dominated (choppy, weak waves).
    wind:
      score: 23
      out of: 25
      explanation: Onshore/cross-shore: 5 km/h from 327° (NNW). Destroying wave quality. Offshore range: 30°-60°.
  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 Stoners. Either swell direction (213°), size (0.6m), or wind (5 km/h from 327°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.6
    height ft: 2.0
    direction degrees: 213
    direction cardinal: SSW
    period s: 11
    explanation: 0.6m (2.0ft) swell from 213° (SSW) at 11s period
  wind:
    speed kmh: 5
    speed mph: 3.1
    direction degrees: 327
    direction cardinal: NNW
    explanation: 5 km/h (3 mph) from 327° (NNW)

date: 2026-08-11
day index: 7
strike score:
  final score: 25
  category: Poor
  category emoji: 💤
  confidence: 0.8
  confidence explanation: Low confidence (6-7 day forecast)
  breakdown:
    swell direction:
      score: 9
      out of: 25
      explanation: Poor alignment: Swell from 210° is 30° off optimal 180°, barely within workable range 165°-195°.
    swell size:
      score: 2
      out of: 25
      explanation: Too small: 0.6m is below minimum 0.9m. Waves will be weak/mushy.
    swell period:
      score: 4
      out of: 25
      explanation: Short period: 11s is below minimum 12s. Windswell-dominated (choppy, weak waves).
    wind:
      score: 22
      out of: 25
      explanation: Onshore/cross-shore: 4 km/h from 301° (WNW). Destroying wave quality. Offshore range: 30°-60°.
  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 Stoners. Either swell direction (210°), size (0.6m), or wind (4 km/h from 301°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.6
    height ft: 2.0
    direction degrees: 210
    direction cardinal: SSW
    period s: 11
    explanation: 0.6m (2.0ft) swell from 210° (SSW) at 11s period
  wind:
    speed kmh: 4
    speed mph: 2.5
    direction degrees: 301
    direction cardinal: WNW
    explanation: 4 km/h (2 mph) from 301° (WNW)
  secondary swell:
    height m: 0.4
    direction degrees: 218
    direction cardinal: SW
    period s: 15

date: 2026-08-12
day index: 8
strike score:
  final score: 30
  category: Poor
  category emoji: 💤
  confidence: 0.8
  confidence explanation: Very low confidence (8-10 day forecast, conditions may change)
  breakdown:
    swell direction:
      score: 6
      out of: 25
      explanation: Poor alignment: Swell from 221° is 41° off optimal 180°, barely within workable range 165°-195°.
    swell size:
      score: 2
      out of: 25
      explanation: Too small: 0.6m is below minimum 0.9m. Waves will be weak/mushy.
    swell period:
      score: 21
      out of: 25
      explanation: Good period: 14s is 93% of ideal 15s. Clean, powerful groundswell.
    wind:
      score: 18
      out of: 25
      explanation: Onshore/cross-shore: 5 km/h from 236° (SW). Destroying wave quality. Offshore range: 30°-60°.
  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 Stoners. Either swell direction (221°), size (0.6m), or wind (5 km/h from 236°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.6
    height ft: 2.0
    direction degrees: 221
    direction cardinal: SW
    period s: 14
    explanation: 0.6m (2.0ft) swell from 221° (SW) at 14s period
  wind:
    speed kmh: 5
    speed mph: 3.1
    direction degrees: 236
    direction cardinal: SW
    explanation: 5 km/h (3 mph) from 236° (SW)

date: 2026-08-13
day index: 9
strike score:
  final score: 30
  category: Poor
  category emoji: 💤
  confidence: 0.8
  confidence explanation: Very low confidence (8-10 day forecast, conditions may change)
  breakdown:
    swell direction:
      score: 7
      out of: 25
      explanation: Poor alignment: Swell from 219° is 39° off optimal 180°, barely within workable range 165°-195°.
    swell size:
      score: 2
      out of: 25
      explanation: Too small: 0.6m is below minimum 0.9m. Waves will be weak/mushy.
    swell period:
      score: 25
      out of: 25
      explanation: Perfect period: 15s is at or above ideal 15s. Long-period groundswell with maximum power.
    wind:
      score: 18
      out of: 25
      explanation: Onshore/cross-shore: 5 km/h from 269° (W). Destroying wave quality. Offshore range: 30°-60°.
  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 Stoners. Either swell direction (219°), size (0.6m), or wind (5 km/h from 269°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.6
    height ft: 2.0
    direction degrees: 219
    direction cardinal: SW
    period s: 15
    explanation: 0.6m (2.0ft) swell from 219° (SW) at 15s period
  wind:
    speed kmh: 5
    speed mph: 3.1
    direction degrees: 269
    direction cardinal: W
    explanation: 5 km/h (3 mph) from 269° (W)
  secondary swell:
    height m: 0.4
    direction degrees: 219
    direction cardinal: SW
    period s: 15

Strike Mission
type: Organization