Surf Forecast for Dieppe Bay
type: Dataset
description: 10-day surf forecast with Strike Scores for Dieppe Bay, St Kitts, St Kitts & Nevis
about: Dieppe Bay
  type: TouristAttraction
  geo: GeoCoordinates
    latitude: 17.4167
    longitude: -62.8
  description: Dieppe Bay is St Kitts' surf option—a black sand beach on the island's north coast that picks up N swells. The volcanic sand and historic setting make it a unique Caribbean surf experience.
summary:
  best day:
    date: 2026-08-09
    score: 12
    category: Poor
    explanation: Best day in the forecast: 2026-08-09 with a score of 12/100 (Poor)
  firing days count: 0
  overall recommendation: Poor conditions overall: Average score 6/100. Look for spots with better forecasts.
forecasts:
  date: 2026-08-05
  day index: 0
  strike score:
    final score: 10
    category: Poor
    category emoji: 💤
    confidence: 1
    confidence explanation: Very high confidence (0-1 day forecast)
    breakdown:
      swell direction:
        score: 0
        out of: 25
        explanation: No alignment: Swell from 65° is outside workable range 330°-30°. Wrong swell direction for this spot.
      swell size:
        score: 11
        out of: 25
        explanation: Marginal size: 0.9m is 0.4m from ideal 1.3m.
      swell period:
        score: 23
        out of: 25
        explanation: Good period: 11s is 92% of ideal 12s. Clean, powerful groundswell.
      wind:
        score: 1
        out of: 25
        explanation: Onshore/cross-shore: 17 km/h from 106° (ESE). Destroying wave quality. Offshore range: 150°-210°.
    adjustments:
      wind history:
        adjustment: -4
        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 Dieppe Bay. Either swell direction (65°), size (0.9m), or wind (17 km/h from 106°) is unfavorable. Consider other spots or wait for better conditions.
  conditions:
    swell:
      height m: 0.9
      height ft: 3.0
      direction degrees: 65
      direction cardinal: ENE
      period s: 11
      explanation: 0.9m (3.0ft) swell from 65° (ENE) at 11s period
    wind:
      speed kmh: 17
      speed mph: 10.6
      direction degrees: 106
      direction cardinal: ESE
      explanation: 17 km/h (11 mph) from 106° (ESE)
    windswell:
      height m: 0.3
      period s: 2
      explanation: Local wind-generated waves (choppy, short-period)
forecasts:
  date: 2026-08-06
  day index: 1
  strike score:
    final score: 3
    category: Poor
    category emoji: 💤
    confidence: 1
    confidence explanation: Very high confidence (0-1 day forecast)
    breakdown:
      swell direction:
        score: 0
        out of: 25
        explanation: No alignment: Swell from 59° is outside workable range 330°-30°. Wrong swell direction for this spot.
      swell size:
        score: 12
        out of: 25
        explanation: Marginal size: 1.0m is 0.3m 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: 1
        out of: 25
        explanation: Onshore/cross-shore: 19 km/h from 92° (E). Destroying wave quality. Offshore range: 150°-210°.
    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 Dieppe Bay. Either swell direction (59°), size (1.0m), or wind (19 km/h from 92°) is unfavorable. Consider other spots or wait for better conditions.
  conditions:
    swell:
      height m: 1
      height ft: 3.3
      direction degrees: 59
      direction cardinal: ENE
      period s: 9
      explanation: 1.0m (3.3ft) swell from 59° (ENE) at 9s period
    wind:
      speed kmh: 19
      speed mph: 11.8
      direction degrees: 92
      direction cardinal: E
      explanation: 19 km/h (12 mph) from 92° (E)
    secondary swell:
      height m: 0.5
      direction degrees: 69
      direction cardinal: ENE
      period s: 5
    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: 0
    category: Poor
    category emoji: 💤
    confidence: 0.95
    confidence explanation: High confidence (2-3 day forecast)
    breakdown:
      swell direction:
        score: 0
        out of: 25
        explanation: No alignment: Swell from 49° is outside workable range 330°-30°. Wrong swell direction for this spot.
      swell size:
        score: 14
        out of: 25
        explanation: Marginal size: 1.1m is 0.2m 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: 1
        out of: 25
        explanation: Onshore/cross-shore: 18 km/h from 86° (E). Destroying wave quality. Offshore range: 150°-210°.
    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 Dieppe Bay. Either swell direction (49°), size (1.1m), or wind (18 km/h from 86°) is unfavorable. Consider other spots or wait for better conditions.
  conditions:
    swell:
      height m: 1.1
      height ft: 3.6
      direction degrees: 49
      direction cardinal: NE
      period s: 9
      explanation: 1.1m (3.6ft) swell from 49° (NE) at 9s period
    wind:
      speed kmh: 18
      speed mph: 11.2
      direction degrees: 86
      direction cardinal: E
      explanation: 18 km/h (11 mph) from 86° (E)
    secondary swell:
      height m: 0.4
      direction degrees: 148
      direction cardinal: SSE
      period s: 5
    windswell:
      height m: 0.5
      period s: 3
      explanation: Local wind-generated waves (choppy, short-period)
provider: Strike Mission
date published: 2026-08-05T04:15:19.814Z
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)

date: 2026-08-08
day index: 3
strike score:
  final score: 5
  category: Poor
  category emoji: 💤
  confidence: 0.92
  confidence explanation: High confidence (2-3 day forecast)
  breakdown:
    swell direction:
      score: 0
      out of: 25
      explanation: No alignment: Swell from 60° is outside workable range 330°-30°. Wrong swell direction for this spot.
    swell size:
      score: 14
      out of: 25
      explanation: Marginal size: 1.1m is 0.2m from ideal 1.3m.
    swell period:
      score: 14
      out of: 25
      explanation: Moderate period: 10s meets minimum 8s but below ideal 12s. Some groundswell energy present.
    wind:
      score: 1
      out of: 25
      explanation: Onshore/cross-shore: 20 km/h from 82° (E). Destroying wave quality. Offshore range: 150°-210°.
  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 Dieppe Bay. Either swell direction (60°), size (1.1m), or wind (20 km/h from 82°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 1.1
    height ft: 3.6
    direction degrees: 60
    direction cardinal: ENE
    period s: 10
    explanation: 1.1m (3.6ft) swell from 60° (ENE) at 10s period
  wind:
    speed kmh: 20
    speed mph: 12.4
    direction degrees: 82
    direction cardinal: E
    explanation: 20 km/h (12 mph) from 82° (E)
  windswell:
    height m: 0.7
    period s: 3
    explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-09
day index: 4
strike score:
  final score: 12
  category: Poor
  category emoji: 💤
  confidence: 0.89
  confidence explanation: Moderate confidence (4-5 day forecast)
  breakdown:
    swell direction:
      score: 0
      out of: 25
      explanation: No alignment: Swell from 66° is outside workable range 330°-30°. Wrong swell direction for this spot.
    swell size:
      score: 17
      out of: 25
      explanation: Marginal size: 1.3m is 0.0m from ideal 1.3m.
    swell period:
      score: 14
      out of: 25
      explanation: Moderate period: 10s meets minimum 8s but below ideal 12s. Some groundswell energy present.
    wind:
      score: 1
      out of: 25
      explanation: Onshore/cross-shore: 17 km/h from 95° (E). Destroying wave quality. Offshore range: 150°-210°.
  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 Dieppe Bay. Either swell direction (66°), size (1.3m), or wind (17 km/h from 95°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 1.3
    height ft: 4.3
    direction degrees: 66
    direction cardinal: ENE
    period s: 10
    explanation: 1.3m (4.3ft) swell from 66° (ENE) at 10s period
  wind:
    speed kmh: 17
    speed mph: 10.6
    direction degrees: 95
    direction cardinal: E
    explanation: 17 km/h (11 mph) from 95° (E)
  windswell:
    height m: 0.6
    period s: 3
    explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-10
day index: 5
strike score:
  final score: 9
  category: Poor
  category emoji: 💤
  confidence: 0.86
  confidence explanation: Moderate confidence (4-5 day forecast)
  breakdown:
    swell direction:
      score: 0
      out of: 25
      explanation: No alignment: Swell from 77° is outside workable range 330°-30°. Wrong swell direction for this spot.
    swell size:
      score: 14
      out of: 25
      explanation: Marginal size: 1.1m is 0.2m from ideal 1.3m.
    swell period:
      score: 14
      out of: 25
      explanation: Moderate period: 10s meets minimum 8s but below ideal 12s. Some groundswell energy present.
    wind:
      score: 1
      out of: 25
      explanation: Onshore/cross-shore: 20 km/h from 81° (E). Destroying wave quality. Offshore range: 150°-210°.
  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 Dieppe Bay. Either swell direction (77°), size (1.1m), or wind (20 km/h from 81°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 1.1
    height ft: 3.6
    direction degrees: 77
    direction cardinal: ENE
    period s: 10
    explanation: 1.1m (3.6ft) swell from 77° (ENE) at 10s period
  wind:
    speed kmh: 20
    speed mph: 12.4
    direction degrees: 81
    direction cardinal: E
    explanation: 20 km/h (12 mph) from 81° (E)
  secondary swell:
    height m: 0.5
    direction degrees: 36
    direction cardinal: NE
    period s: 6
  windswell:
    height m: 0.5
    period s: 3
    explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-11
day index: 6
strike score:
  final score: 9
  category: Poor
  category emoji: 💤
  confidence: 0.83
  confidence explanation: Low confidence (6-7 day forecast)
  breakdown:
    swell direction:
      score: 0
      out of: 25
      explanation: No alignment: Swell from 57° is outside workable range 330°-30°. Wrong swell direction for this spot.
    swell size:
      score: 15
      out of: 25
      explanation: Marginal size: 1.2m is 0.1m from ideal 1.3m.
    swell period:
      score: 14
      out of: 25
      explanation: Moderate period: 10s meets minimum 8s but below ideal 12s. Some groundswell energy present.
    wind:
      score: 1
      out of: 25
      explanation: Onshore/cross-shore: 18 km/h from 85° (E). Destroying wave quality. Offshore range: 150°-210°.
  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 Dieppe Bay. Either swell direction (57°), size (1.2m), or wind (18 km/h from 85°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 1.2
    height ft: 3.9
    direction degrees: 57
    direction cardinal: ENE
    period s: 10
    explanation: 1.2m (3.9ft) swell from 57° (ENE) at 10s period
  wind:
    speed kmh: 18
    speed mph: 11.2
    direction degrees: 85
    direction cardinal: E
    explanation: 18 km/h (11 mph) from 85° (E)
  windswell:
    height m: 0.4
    period s: 3
    explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-12
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: 0
      out of: 25
      explanation: No alignment: Swell from 62° is outside workable range 330°-30°. Wrong swell direction for this spot.
    swell size:
      score: 12
      out of: 25
      explanation: Marginal size: 1.0m is 0.3m 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: 1
      out of: 25
      explanation: Onshore/cross-shore: 25 km/h from 95° (E). Destroying wave quality. Offshore range: 150°-210°.
  adjustments:
    wind history:
      adjustment: 0
      groomed: false
      morning sickness: false
      explanation: No significant wind history adjustment.
    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 Dieppe Bay. Either swell direction (62°), size (1.0m), or wind (25 km/h from 95°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 1
    height ft: 3.3
    direction degrees: 62
    direction cardinal: ENE
    period s: 9
    explanation: 1.0m (3.3ft) swell from 62° (ENE) at 9s period
  wind:
    speed kmh: 25
    speed mph: 15.5
    direction degrees: 95
    direction cardinal: E
    explanation: 25 km/h (16 mph) from 95° (E)
  windswell:
    height m: 0.9
    period s: 4
    explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-13
day index: 8
strike score:
  final score: 6
  category: Poor
  category emoji: 💤
  confidence: 0.8
  confidence explanation: Very low confidence (8-10 day forecast, conditions may change)
  breakdown:
    swell direction:
      score: 0
      out of: 25
      explanation: No alignment: Swell from 82° is outside workable range 330°-30°. Wrong swell direction for this spot.
    swell size:
      score: 14
      out of: 25
      explanation: Marginal size: 1.1m is 0.2m from ideal 1.3m.
    swell period:
      score: 25
      out of: 25
      explanation: Perfect period: 14s is at or above ideal 12s. Long-period groundswell with maximum power.
    wind:
      score: 1
      out of: 25
      explanation: Onshore/cross-shore: 25 km/h from 99° (E). Destroying wave quality. Offshore range: 150°-210°.
  adjustments:
    wind history:
      adjustment: -10
      groomed: false
      morning sickness: true
      explanation: -10 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 Dieppe Bay. Either swell direction (82°), size (1.1m), or wind (25 km/h from 99°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 1.1
    height ft: 3.6
    direction degrees: 82
    direction cardinal: E
    period s: 14
    explanation: 1.1m (3.6ft) swell from 82° (E) at 14s 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: 0.9
    period s: 4
    explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-14
day index: 9
strike score:
  final score: 2
  category: Poor
  category emoji: 💤
  confidence: 0.8
  confidence explanation: Very low confidence (8-10 day forecast, conditions may change)
  breakdown:
    swell direction:
      score: 8
      out of: 25
      explanation: Poor alignment: Swell from 25° is 35° off optimal 350°, barely within workable range 330°-30°.
    swell size:
      score: 1
      out of: 25
      explanation: Too small: 0.2m is below minimum 0.6m. Waves will be weak/mushy.
    swell period:
      score: 25
      out of: 25
      explanation: Perfect period: 13s is at or above ideal 12s. Long-period groundswell with maximum power.
    wind:
      score: 0
      out of: 25
      explanation: Onshore/cross-shore: 29 km/h from 81° (E). Destroying wave quality. Offshore range: 150°-210°.
  adjustments:
    wind history:
      adjustment: -17
      groomed: false
      morning sickness: true
      explanation: -17 points: Previous days of onshore wind left residual chop ("morning sickness"), reducing wave quality.
    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 Dieppe Bay. Either swell direction (25°), size (0.2m), or wind (29 km/h from 81°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.2
    height ft: 0.7
    direction degrees: 25
    direction cardinal: NNE
    period s: 13
    explanation: 0.2m (0.7ft) swell from 25° (NNE) at 13s period
  wind:
    speed kmh: 29
    speed mph: 18.0
    direction degrees: 81
    direction cardinal: E
    explanation: 29 km/h (18 mph) from 81° (E)

Strike Mission
type: Organization