Surf Forecast for Galion Bay
type: Dataset
description: 10-day surf forecast with Strike Scores for Galion Bay, St Martin (FR), St Martin
about: Galion Bay
  type: TouristAttraction
  geo: GeoCoordinates
    latitude: 18.07872
    longitude: -63.02155
  description: Galion Bay is a more protected surf option on St Martin's French side—offering mellow waves when Orient Bay is too big or blown out. Great for beginners and intermediates.
summary:
  best day:
    date: 2026-08-04
    score: 0
    category: Poor
    explanation: Best day in the forecast: 2026-08-04 with a score of 0/100 (Poor)
  firing days count: 0
  overall recommendation: Poor conditions overall: Average score 0/100. Look for spots with better forecasts.
forecasts:
  date: 2026-08-04
  day index: 0
  strike score:
    final score: 0
    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 86° is 41° off optimal 45°, barely within workable range 20°-80°.
      swell size:
        score: 9
        out of: 25
        explanation: Marginal size: 0.7m is 0.6m from ideal 1.3m.
      swell period:
        score: 6
        out of: 25
        explanation: Moderate period: 8s meets minimum 8s but below ideal 12s. Some groundswell energy present.
      wind:
        score: 0
        out of: 25
        explanation: Onshore/cross-shore: 21 km/h from 68° (ENE). Destroying wave quality. Offshore range: 240°-300°.
    adjustments:
      wind history:
        adjustment: -21
        groomed: false
        morning sickness: true
        explanation: -21 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 Galion Bay. Either swell direction (86°), size (0.7m), or wind (21 km/h from 68°) is unfavorable. Consider other spots or wait for better conditions.
  conditions:
    swell:
      height m: 0.7
      height ft: 2.3
      direction degrees: 86
      direction cardinal: E
      period s: 8
      explanation: 0.7m (2.3ft) swell from 86° (E) at 8s period
    wind:
      speed kmh: 21
      speed mph: 13.0
      direction degrees: 68
      direction cardinal: ENE
      explanation: 21 km/h (13 mph) from 68° (ENE)
    windswell:
      height m: 0.3
      period s: 2
      explanation: Local wind-generated waves (choppy, short-period)
forecasts:
  date: 2026-08-05
  day index: 1
  strike score:
    final score: 0
    category: Poor
    category emoji: 💤
    confidence: 1
    confidence explanation: Very high confidence (0-1 day forecast)
    breakdown:
      swell direction:
        score: 7
        out of: 25
        explanation: Poor alignment: Swell from 84° is 39° off optimal 45°, barely within workable range 20°-80°.
      swell size:
        score: 9
        out of: 25
        explanation: Marginal size: 0.7m is 0.6m from ideal 1.3m.
      swell period:
        score: 2
        out of: 25
        explanation: Short period: 6s is below minimum 8s. Windswell-dominated (choppy, weak waves).
      wind:
        score: 0
        out of: 25
        explanation: Onshore/cross-shore: 24 km/h from 113° (ESE). Destroying wave quality. Offshore range: 240°-300°.
    adjustments:
      wind history:
        adjustment: -21
        groomed: false
        morning sickness: true
        explanation: -21 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 Galion Bay. Either swell direction (84°), size (0.7m), or wind (24 km/h from 113°) is unfavorable. Consider other spots or wait for better conditions.
  conditions:
    swell:
      height m: 0.7
      height ft: 2.3
      direction degrees: 84
      direction cardinal: E
      period s: 6
      explanation: 0.7m (2.3ft) swell from 84° (E) at 6s period
    wind:
      speed kmh: 24
      speed mph: 14.9
      direction degrees: 113
      direction cardinal: ESE
      explanation: 24 km/h (15 mph) from 113° (ESE)
    windswell:
      height m: 0.4
      period s: 3
      explanation: Local wind-generated waves (choppy, short-period)
forecasts:
  date: 2026-08-06
  day index: 2
  strike score:
    final score: 0
    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 89° is 44° off optimal 45°, barely within workable range 20°-80°.
      swell size:
        score: 8
        out of: 25
        explanation: Marginal size: 0.6m is 0.7m from ideal 1.3m.
      swell period:
        score: 8
        out of: 25
        explanation: Moderate period: 9s meets minimum 8s but below ideal 12s. Some groundswell energy present.
      wind:
        score: 0
        out of: 25
        explanation: Onshore/cross-shore: 25 km/h from 99° (E). Destroying wave quality. Offshore range: 240°-300°.
    adjustments:
      wind history:
        adjustment: -21
        groomed: false
        morning sickness: true
        explanation: -21 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 Galion Bay. Either swell direction (89°), size (0.6m), or wind (25 km/h from 99°) is unfavorable. Consider other spots or wait for better conditions.
  conditions:
    swell:
      height m: 0.6
      height ft: 2.0
      direction degrees: 89
      direction cardinal: E
      period s: 9
      explanation: 0.6m (2.0ft) swell from 89° (E) at 9s period
    wind:
      speed kmh: 25
      speed mph: 15.5
      direction degrees: 99
      direction cardinal: E
      explanation: 25 km/h (16 mph) from 99° (E)
    windswell:
      height m: 0.6
      period s: 3
      explanation: Local wind-generated waves (choppy, short-period)
forecasts:
  date: 2026-08-07
  day index: 3
  strike score:
    final score: 0
    category: Poor
    category emoji: 💤
    confidence: 0.92
    confidence explanation: High confidence (2-3 day forecast)
    breakdown:
      swell direction:
        score: 8
        out of: 25
        explanation: Poor alignment: Swell from 81° is 36° off optimal 45°, barely within workable range 20°-80°.
    summary: Poor conditions at Galion Bay. Either swell direction (81°), size (0.7m), or wind (26 km/h from 83°) is unfavorable. Consider other spots or wait for better conditions.
provider: Strike Mission
date published: 2026-08-05T03:11:45.657Z
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)

score: 9
out of: 25
explanation: Marginal size: 0.7m is 0.6m from ideal 1.3m.

score: 6
out of: 25
explanation: Moderate period: 8s meets minimum 8s but below ideal 12s. Some groundswell energy present.

score: 0
out of: 25
explanation: Onshore/cross-shore: 26 km/h from 83° (E). Destroying wave quality. Offshore range: 240°-300°.

wind history:
  adjustment: -21
  groomed: false
  morning sickness: true
  explanation: -21 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.

swell:
  height m: 0.7
  height ft: 2.3
  direction degrees: 81
  direction cardinal: E
  period s: 8
  explanation: 0.7m (2.3ft) swell from 81° (E) at 8s period
wind:
  speed kmh: 26
  speed mph: 16.2
  direction degrees: 83
  direction cardinal: E
  explanation: 26 km/h (16 mph) from 83° (E)
windswell:
  height m: 0.6
  period s: 3
  explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-08
day index: 4
strike score:
  final score: 0
  category: Poor
  category emoji: 💤
  confidence: 0.89
  confidence explanation: Moderate confidence (4-5 day forecast)
  breakdown:
    swell direction:
      score: 3
      out of: 25
      explanation: Poor alignment: Swell from 96° is 51° off optimal 45°, barely within workable range 20°-80°.
    swell size:
      score: 9
      out of: 25
      explanation: Marginal size: 0.7m is 0.6m from ideal 1.3m.
    swell period:
      score: 4
      out of: 25
      explanation: Short period: 7s is below minimum 8s. Windswell-dominated (choppy, weak waves).
    wind:
      score: 0
      out of: 25
      explanation: Onshore/cross-shore: 29 km/h from 84° (E). Destroying wave quality. Offshore range: 240°-300°.
  adjustments:
    wind history:
      adjustment: -21
      groomed: false
      morning sickness: true
      explanation: -21 points: Previous days of onshore wind left residual chop ("morning sickness"), reducing wave quality.
    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 Galion Bay. Either swell direction (96°), size (0.7m), or wind (29 km/h from 84°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.7
    height ft: 2.3
    direction degrees: 96
    direction cardinal: E
    period s: 7
    explanation: 0.7m (2.3ft) swell from 96° (E) at 7s period
  wind:
    speed kmh: 29
    speed mph: 18.0
    direction degrees: 84
    direction cardinal: E
    explanation: 29 km/h (18 mph) from 84° (E)
  windswell:
    height m: 0.9
    period s: 4
    explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-09
day index: 5
strike score:
  final score: 0
  category: Poor
  category emoji: 💤
  confidence: 0.86
  confidence explanation: Moderate confidence (4-5 day forecast)
  breakdown:
    swell direction:
      score: 2
      out of: 25
      explanation: Poor alignment: Swell from 99° is 54° off optimal 45°, barely within workable range 20°-80°.
    swell size:
      score: 8
      out of: 25
      explanation: Marginal size: 0.6m is 0.7m from ideal 1.3m.
    swell period:
      score: 4
      out of: 25
      explanation: Short period: 7s is below minimum 8s. Windswell-dominated (choppy, weak waves).
    wind:
      score: 0
      out of: 25
      explanation: Onshore/cross-shore: 32 km/h from 79° (E). Destroying wave quality. Offshore range: 240°-300°.
  adjustments:
    wind history:
      adjustment: -21
      groomed: false
      morning sickness: true
      explanation: -21 points: Previous days of onshore wind left residual chop ("morning sickness"), reducing wave quality.
    windswell penalty:
      adjustment: -10
      windswell degraded: true
      explanation: -10 points: Short-period windswell is present, creating choppy, disorganized conditions.
    secondary swell bonus:
      adjustment: 0
      explanation: No secondary swell bonus.
  summary: Poor conditions at Galion Bay. Either swell direction (99°), size (0.6m), or wind (32 km/h from 79°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.6
    height ft: 2.0
    direction degrees: 99
    direction cardinal: E
    period s: 7
    explanation: 0.6m (2.0ft) swell from 99° (E) at 7s period
  wind:
    speed kmh: 32
    speed mph: 19.9
    direction degrees: 79
    direction cardinal: E
    explanation: 32 km/h (20 mph) from 79° (E)
  windswell:
    height m: 1
    period s: 4
    explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-10
day index: 6
strike score:
  final score: 0
  category: Poor
  category emoji: 💤
  confidence: 0.83
  confidence explanation: Low confidence (6-7 day forecast)
  breakdown:
    swell direction:
      score: 7
      out of: 25
      explanation: Poor alignment: Swell from 84° is 39° off optimal 45°, barely within workable range 20°-80°.
    swell size:
      score: 9
      out of: 25
      explanation: Marginal size: 0.7m is 0.6m from ideal 1.3m.
    swell period:
      score: 4
      out of: 25
      explanation: Short period: 7s is below minimum 8s. Windswell-dominated (choppy, weak waves).
    wind:
      score: 0
      out of: 25
      explanation: Onshore/cross-shore: 30 km/h from 78° (ENE). Destroying wave quality. Offshore range: 240°-300°.
  adjustments:
    wind history:
      adjustment: -21
      groomed: false
      morning sickness: true
      explanation: -21 points: Previous days of onshore wind left residual chop ("morning sickness"), reducing wave quality.
    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 Galion Bay. Either swell direction (84°), size (0.7m), or wind (30 km/h from 78°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.7
    height ft: 2.3
    direction degrees: 84
    direction cardinal: E
    period s: 7
    explanation: 0.7m (2.3ft) swell from 84° (E) at 7s period
  wind:
    speed kmh: 30
    speed mph: 18.6
    direction degrees: 78
    direction cardinal: ENE
    explanation: 30 km/h (19 mph) from 78° (ENE)
  windswell:
    height m: 0.9
    period s: 4
    explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-11
day index: 7
strike score:
  final score: 0
  category: Poor
  category emoji: 💤
  confidence: 0.8
  confidence explanation: Low confidence (6-7 day forecast)
  breakdown:
    swell direction:
      score: 10
      out of: 25
      explanation: Moderate alignment: Swell from 74° is 29° off optimal 45°, workable but not ideal.
    swell size:
      score: 10
      out of: 25
      explanation: Marginal size: 0.8m is 0.5m from ideal 1.3m.
    swell period:
      score: 4
      out of: 25
      explanation: Short period: 7s is below minimum 8s. Windswell-dominated (choppy, weak waves).
    wind:
      score: 0
      out of: 25
      explanation: Onshore/cross-shore: 27 km/h from 83° (E). Destroying wave quality. Offshore range: 240°-300°.
  adjustments:
    wind history:
      adjustment: -21
      groomed: false
      morning sickness: true
      explanation: -21 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 Galion Bay. Either swell direction (74°), size (0.8m), or wind (27 km/h from 83°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.8
    height ft: 2.6
    direction degrees: 74
    direction cardinal: ENE
    period s: 7
    explanation: 0.8m (2.6ft) swell from 74° (ENE) at 7s period
  wind:
    speed kmh: 27
    speed mph: 16.8
    direction degrees: 83
    direction cardinal: E
    explanation: 27 km/h (17 mph) from 83° (E)
  windswell:
    height m: 0.7
    period s: 3
    explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-12
day index: 8
strike score:
  final score: 0
  category: Poor
  category emoji: 💤
  confidence: 0.8
  confidence explanation: Very low confidence (8-10 day forecast, conditions may change)
  breakdown:
    swell direction:
      score: 14
      out of: 25
      explanation: Moderate alignment: Swell from 62° is 17° off optimal 45°, workable but not ideal.
    swell size:
      score: 2
      out of: 25
      explanation: Too small: 0.4m is below minimum 0.6m. Waves will be weak/mushy.
    swell period:
      score: 8
      out of: 25
      explanation: Moderate period: 9s meets minimum 8s but below ideal 12s. Some groundswell energy present.
    wind:
      score: 0
      out of: 25
      explanation: Onshore/cross-shore: 33 km/h from 100° (E). Destroying wave quality. Offshore range: 240°-300°.
  adjustments:
    wind history:
      adjustment: -21
      groomed: false
      morning sickness: true
      explanation: -21 points: Previous days of onshore wind left residual chop ("morning sickness"), reducing wave quality.
    windswell penalty:
      adjustment: -10
      windswell degraded: true
      explanation: -10 points: Short-period windswell is present, creating choppy, disorganized conditions.
    secondary swell bonus:
      adjustment: 0
      explanation: No secondary swell bonus.
  summary: Poor conditions at Galion Bay. Either swell direction (62°), size (0.4m), or wind (33 km/h from 100°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.4
    height ft: 1.3
    direction degrees: 62
    direction cardinal: ENE
    period s: 9
    explanation: 0.4m (1.3ft) swell from 62° (ENE) at 9s period
  wind:
    speed kmh: 33
    speed mph: 20.5
    direction degrees: 100
    direction cardinal: E
    explanation: 33 km/h (21 mph) from 100° (E)
  windswell:
    height m: 1
    period s: 4
    explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-13
day index: 9
strike score:
  final score: 0
  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 89° is 44° off optimal 45°, barely within workable range 20°-80°.
    swell size:
      score: 2
      out of: 25
      explanation: Too small: 0.4m is below minimum 0.6m. Waves will be weak/mushy.
    swell period:
      score: 4
      out of: 25
      explanation: Short period: 7s is below minimum 8s. Windswell-dominated (choppy, weak waves).
    wind:
      score: 0
      out of: 25
      explanation: Onshore/cross-shore: 35 km/h from 99° (E). Destroying wave quality. Offshore range: 240°-300°.
  adjustments:
    wind history:
      adjustment: -21
      groomed: false
      morning sickness: true
      explanation: -21 points: Previous days of onshore wind left residual chop ("morning sickness"), reducing wave quality.
    windswell penalty:
      adjustment: -10
      windswell degraded: true
      explanation: -10 points: Short-period windswell is present, creating choppy, disorganized conditions.
    secondary swell bonus:
      adjustment: 0
      explanation: No secondary swell bonus.
  summary: Poor conditions at Galion Bay. Either swell direction (89°), size (0.4m), or wind (35 km/h from 99°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.4
    height ft: 1.3
    direction degrees: 89
    direction cardinal: E
    period s: 7
    explanation: 0.4m (1.3ft) swell from 89° (E) at 7s period
  wind:
    speed kmh: 35
    speed mph: 21.7
    direction degrees: 99
    direction cardinal: E
    explanation: 35 km/h (22 mph) from 99° (E)
  windswell:
    height m: 1.3
    period s: 4
    explanation: Local wind-generated waves (choppy, short-period)

Strike Mission
type: Organization