Surf Forecast for Yenne
type: Dataset
description: 10-day surf forecast with Strike Scores for Yenne, Petite Cote, Senegal
about: Yenne
  type: TouristAttraction
  geo: GeoCoordinates
    latitude: 14.64522
    longitude: -17.16337
  description: Yenne is a powerful beach break on the Petite Cote south of Dakar, offering fun, punchy waves for all levels. The beach picks up a mix of NW winter swells and W swells year-round, making it one of the more consistent options in the region. The fishing village atmosphere adds character to the surf experience.
summary:
  best day:
    date: 2026-08-07
    score: 21
    category: Poor
    explanation: Best day in the forecast: 2026-08-07 with a score of 21/100 (Poor)
  firing days count: 0
  overall recommendation: Poor conditions overall: Average score 4/100. 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: 0
        out of: 25
        explanation: No alignment: Swell from 216° is outside workable range 240°-300°. Wrong swell direction for this spot.
      swell size:
        score: 2
        out of: 25
        explanation: Too small: 0.6m is below minimum 1.0m. Waves will be weak/mushy.
      swell period:
        score: 2
        out of: 25
        explanation: Short period: 8s is below minimum 10s. Windswell-dominated (choppy, weak waves).
      wind:
        score: 4
        out of: 25
        explanation: Onshore/cross-shore: 13 km/h from 220° (SW). Destroying wave quality. Offshore range: 20°-90°.
    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 Yenne. Either swell direction (216°), size (0.6m), or wind (13 km/h from 220°) is unfavorable. Consider other spots or wait for better conditions.
  conditions:
    swell:
      height m: 0.6
      height ft: 2.0
      direction degrees: 216
      direction cardinal: SW
      period s: 8
      explanation: 0.6m (2.0ft) swell from 216° (SW) at 8s period
    wind:
      speed kmh: 13
      speed mph: 8.1
      direction degrees: 220
      direction cardinal: SW
      explanation: 13 km/h (8 mph) from 220° (SW)
    secondary swell:
      height m: 0.4
      direction degrees: 214
      direction cardinal: SW
      period s: 8
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: 0
        out of: 25
        explanation: No alignment: Swell from 198° is outside workable range 240°-300°. Wrong swell direction for this spot.
      swell size:
        score: 2
        out of: 25
        explanation: Too small: 0.5m is below minimum 1.0m. Waves will be weak/mushy.
      swell period:
        score: 4
        out of: 25
        explanation: Short period: 9s is below minimum 10s. Windswell-dominated (choppy, weak waves).
      wind:
        score: 5
        out of: 25
        explanation: Onshore/cross-shore: 12 km/h from 211° (SSW). Destroying wave quality. Offshore range: 20°-90°.
    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 Yenne. Either swell direction (198°), size (0.5m), or wind (12 km/h from 211°) is unfavorable. Consider other spots or wait for better conditions.
  conditions:
    swell:
      height m: 0.5
      height ft: 1.6
      direction degrees: 198
      direction cardinal: SSW
      period s: 9
      explanation: 0.5m (1.6ft) swell from 198° (SSW) at 9s period
    wind:
      speed kmh: 12
      speed mph: 7.5
      direction degrees: 211
      direction cardinal: SSW
      explanation: 12 km/h (7 mph) from 211° (SSW)
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: 0
        out of: 25
        explanation: No alignment: Swell from 200° is outside workable range 240°-300°. Wrong swell direction for this spot.
      swell size:
        score: 3
        out of: 25
        explanation: Too small: 0.7m is below minimum 1.0m. Waves will be weak/mushy.
      swell period:
        score: 2
        out of: 25
        explanation: Short period: 7s is below minimum 10s. Windswell-dominated (choppy, weak waves).
      wind:
        score: 13
        out of: 25
        explanation: Onshore/cross-shore: 8 km/h from 177° (S). Destroying wave quality. Offshore range: 20°-90°.
    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 Yenne. Either swell direction (200°), size (0.7m), or wind (8 km/h from 177°) is unfavorable. Consider other spots or wait for better conditions.
  conditions:
    swell:
      height m: 0.7
      height ft: 2.3
      direction degrees: 200
      direction cardinal: SSW
      period s: 7
      explanation: 0.7m (2.3ft) swell from 200° (SSW) at 7s period
    wind:
      speed kmh: 8
      speed mph: 5.0
      direction degrees: 177
      direction cardinal: S
      explanation: 8 km/h (5 mph) from 177° (S)
    secondary swell:
      height m: 0.4
      direction degrees: 195
      direction cardinal: SSW
      period s: 12
forecasts:
  date: 2026-08-07
  day index: 3
  strike score:
    final score: 21
    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 196° is outside workable range 240°-300°. Wrong swell direction for this spot.
      swell size:
        score: 3
        out of: 25
        explanation: Too small: 0.7m is below minimum 1.0m. Waves will be weak/mushy.
    summary: Poor conditions at Yenne. Either swell direction (196°), size (0.7m), or wind (11 km/h from 15°) is unfavorable. Consider other spots or wait for better conditions.
provider: Strike Mission
date published: 2026-08-05T03:12:35.053Z
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: 14
out of: 25
explanation: Moderate period: 12s meets minimum 10s but below ideal 14s. Some groundswell energy present.

score: 12
out of: 25
explanation: Onshore/cross-shore: 11 km/h from 15° (NNE). Destroying wave quality. Offshore range: 20°-90°.

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: 0.7
  height ft: 2.3
  direction degrees: 196
  direction cardinal: SSW
  period s: 12
  explanation: 0.7m (2.3ft) swell from 196° (SSW) at 12s period
wind:
  speed kmh: 11
  speed mph: 6.8
  direction degrees: 15
  direction cardinal: NNE
  explanation: 11 km/h (7 mph) from 15° (NNE)
secondary swell:
  height m: 0.5
  direction degrees: 203
  direction cardinal: SSW
  period s: 5

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: 0
      out of: 25
      explanation: No alignment: Swell from 199° is outside workable range 240°-300°. Wrong swell direction for this spot.
    swell size:
      score: 5
      out of: 25
      explanation: Too small: 0.9m is below minimum 1.0m. Waves will be weak/mushy.
    swell period:
      score: 4
      out of: 25
      explanation: Short period: 9s is below minimum 10s. Windswell-dominated (choppy, weak waves).
    wind:
      score: 9
      out of: 25
      explanation: Onshore/cross-shore: 11 km/h from 293° (WNW). Destroying wave quality. Offshore range: 20°-90°.
  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 Yenne. Either swell direction (199°), size (0.9m), or wind (11 km/h from 293°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.9
    height ft: 3.0
    direction degrees: 199
    direction cardinal: SSW
    period s: 9
    explanation: 0.9m (3.0ft) swell from 199° (SSW) at 9s period
  wind:
    speed kmh: 11
    speed mph: 6.8
    direction degrees: 293
    direction cardinal: WNW
    explanation: 11 km/h (7 mph) from 293° (WNW)

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: 0
      out of: 25
      explanation: No alignment: Swell from 199° is outside workable range 240°-300°. Wrong swell direction for this spot.
    swell size:
      score: 3
      out of: 25
      explanation: Too small: 0.7m is below minimum 1.0m. Waves will be weak/mushy.
    swell period:
      score: 4
      out of: 25
      explanation: Short period: 9s is below minimum 10s. Windswell-dominated (choppy, weak waves).
    wind:
      score: 0
      out of: 25
      explanation: Onshore/cross-shore: 15 km/h from 250° (WSW). Destroying wave quality. Offshore range: 20°-90°.
  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 Yenne. Either swell direction (199°), size (0.7m), or wind (15 km/h from 250°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.7
    height ft: 2.3
    direction degrees: 199
    direction cardinal: SSW
    period s: 9
    explanation: 0.7m (2.3ft) swell from 199° (SSW) at 9s period
  wind:
    speed kmh: 15
    speed mph: 9.3
    direction degrees: 250
    direction cardinal: WSW
    explanation: 15 km/h (9 mph) from 250° (WSW)
  windswell:
    height m: 0.4
    period s: 2
    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: 6
      out of: 25
      explanation: Poor alignment: Swell from 326° is 46° off optimal 280°, barely within workable range 240°-300°.
    swell size:
      score: 2
      out of: 25
      explanation: Too small: 0.6m is below minimum 1.0m. Waves will be weak/mushy.
    swell period:
      score: 6
      out of: 25
      explanation: Moderate period: 10s meets minimum 10s but below ideal 14s. Some groundswell energy present.
    wind:
      score: 2
      out of: 25
      explanation: Onshore/cross-shore: 14 km/h from 259° (W). Destroying wave quality. Offshore range: 20°-90°.
  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 Yenne. Either swell direction (326°), size (0.6m), or wind (14 km/h from 259°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.6
    height ft: 2.0
    direction degrees: 326
    direction cardinal: NW
    period s: 10
    explanation: 0.6m (2.0ft) swell from 326° (NW) at 10s period
  wind:
    speed kmh: 14
    speed mph: 8.7
    direction degrees: 259
    direction cardinal: W
    explanation: 14 km/h (9 mph) from 259° (W)
  windswell:
    height m: 0.3
    period s: 2
    explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-11
day index: 7
strike score:
  final score: 8
  category: Poor
  category emoji: 💤
  confidence: 0.8
  confidence explanation: Low confidence (6-7 day forecast)
  breakdown:
    swell direction:
      score: 6
      out of: 25
      explanation: Poor alignment: Swell from 325° is 45° off optimal 280°, barely within workable range 240°-300°.
    swell size:
      score: 3
      out of: 25
      explanation: Too small: 0.7m is below minimum 1.0m. Waves will be weak/mushy.
    swell period:
      score: 4
      out of: 25
      explanation: Short period: 9s is below minimum 10s. Windswell-dominated (choppy, weak waves).
    wind:
      score: 4
      out of: 25
      explanation: Onshore/cross-shore: 13 km/h from 252° (WSW). Destroying wave quality. Offshore range: 20°-90°.
  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 Yenne. Either swell direction (325°), size (0.7m), or wind (13 km/h from 252°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.7
    height ft: 2.3
    direction degrees: 325
    direction cardinal: NW
    period s: 9
    explanation: 0.7m (2.3ft) swell from 325° (NW) at 9s period
  wind:
    speed kmh: 13
    speed mph: 8.1
    direction degrees: 252
    direction cardinal: WSW
    explanation: 13 km/h (8 mph) from 252° (WSW)
  secondary swell:
    height m: 0.4
    direction degrees: 218
    direction cardinal: SW
    period s: 9

date: 2026-08-12
day index: 8
strike score:
  final score: 9
  category: Poor
  category emoji: 💤
  confidence: 0.8
  confidence explanation: Very low confidence (8-10 day forecast, conditions may change)
  breakdown:
    swell direction:
      score: 17
      out of: 25
      explanation: Moderate alignment: Swell from 268° is 12° off optimal 280°, workable but not ideal.
    swell size:
      score: 2
      out of: 25
      explanation: Too small: 0.6m is below minimum 1.0m. Waves will be weak/mushy.
    swell period:
      score: 6
      out of: 25
      explanation: Moderate period: 10s meets minimum 10s but below ideal 14s. Some groundswell energy present.
    wind:
      score: 1
      out of: 25
      explanation: Onshore/cross-shore: 15 km/h from 156° (SSE). Destroying wave quality. Offshore range: 20°-90°.
  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 Yenne. Either swell direction (268°), size (0.6m), or wind (15 km/h from 156°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.6
    height ft: 2.0
    direction degrees: 268
    direction cardinal: W
    period s: 10
    explanation: 0.6m (2.0ft) swell from 268° (W) at 10s period
  wind:
    speed kmh: 15
    speed mph: 9.3
    direction degrees: 156
    direction cardinal: SSE
    explanation: 15 km/h (9 mph) from 156° (SSE)
  windswell:
    height m: 0.3
    period s: 2
    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: 0
      out of: 25
      explanation: No alignment: Swell from 192° is outside workable range 240°-300°. Wrong swell direction for this spot.
    swell size:
      score: 10
      out of: 25
      explanation: Marginal size: 1.2m is 0.6m from ideal 1.8m.
    swell period:
      score: 2
      out of: 25
      explanation: Short period: 8s is below minimum 10s. Windswell-dominated (choppy, weak waves).
    wind:
      score: 0
      out of: 25
      explanation: Onshore/cross-shore: 17 km/h from 220° (SW). Destroying wave quality. Offshore range: 20°-90°.
  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 Yenne. Either swell direction (192°), size (1.2m), or wind (17 km/h from 220°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 1.2
    height ft: 3.9
    direction degrees: 192
    direction cardinal: SSW
    period s: 8
    explanation: 1.2m (3.9ft) swell from 192° (SSW) at 8s period
  wind:
    speed kmh: 17
    speed mph: 10.6
    direction degrees: 220
    direction cardinal: SW
    explanation: 17 km/h (11 mph) from 220° (SW)
  windswell:
    height m: 0.4
    period s: 2
    explanation: Local wind-generated waves (choppy, short-period)

Strike Mission
type: Organization