Surf Forecast for Santinho
type: Dataset
description: 10-day surf forecast with Strike Scores for Santinho, Florianópolis, SC, Brazil
about: Santinho
  type: TouristAttraction
  geo: GeoCoordinates
    latitude: -27.4667
    longitude: -48.3853
  description: Santinho is one of Florianópolis's most consistent beaches on the north side of the island. The beach picks up E to SE swells and produces quality peaks along its length. Ancient petroglyphs on the surrounding rocks add historical interest to the area. The nearby resort development has made it more accessible but also more crowded.
summary:
  best day:
    date: 2026-08-13
    score: 42
    category: Poor
    explanation: Best day in the forecast: 2026-08-13 with a score of 42/100 (Poor)
  firing days count: 0
  overall recommendation: Poor conditions overall: Average score 7/100. Look for spots with better forecasts.
forecasts:
  date: 2026-08-04
  day index: 0
  strike score:
    final score: 7
    category: Poor
    category emoji: 💤
    confidence: 1
    confidence explanation: Very high confidence (0-1 day forecast)
    breakdown:
      swell direction:
        score: 12
        out of: 25
        explanation: Moderate alignment: Swell from 135° is 23° off optimal 112°, workable but not ideal.
      swell size:
        score: 3
        out of: 25
        explanation: Too small: 0.7m is below minimum 0.9m. 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: 7
        out of: 25
        explanation: Onshore/cross-shore: 13 km/h from 4° (N). Destroying wave quality. Offshore range: 270°-360°.
    adjustments:
      wind history:
        adjustment: -11
        groomed: false
        morning sickness: true
        explanation: -11 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 Santinho. Either swell direction (135°), size (0.7m), or wind (13 km/h from 4°) is unfavorable. Consider other spots or wait for better conditions.
  conditions:
    swell:
      height m: 0.7
      height ft: 2.3
      direction degrees: 135
      direction cardinal: SE
      period s: 9
      explanation: 0.7m (2.3ft) swell from 135° (SE) at 9s period
    wind:
      speed kmh: 13
      speed mph: 8.1
      direction degrees: 4
      direction cardinal: N
      explanation: 13 km/h (8 mph) from 4° (N)
    secondary swell:
      height m: 0.4
      direction degrees: 104
      direction cardinal: ESE
      period s: 7
forecasts:
  date: 2026-08-05
  day index: 1
  strike score:
    final score: 17
    category: Poor
    category emoji: 💤
    confidence: 1
    confidence explanation: Very high confidence (0-1 day forecast)
    breakdown:
      swell direction:
        score: 14
        out of: 25
        explanation: Moderate alignment: Swell from 130° is 18° off optimal 112°, workable but not ideal.
      swell size:
        score: 3
        out of: 25
        explanation: Too small: 0.7m is below minimum 0.9m. Waves will be weak/mushy.
      swell period:
        score: 6
        out of: 25
        explanation: Moderate period: 8s meets minimum 8s but below ideal 12s. Some groundswell energy present.
      wind:
        score: 11
        out of: 25
        explanation: Onshore/cross-shore: 11 km/h from 6° (N). Destroying wave quality. Offshore range: 270°-360°.
    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 Santinho. Either swell direction (130°), size (0.7m), or wind (11 km/h from 6°) is unfavorable. Consider other spots or wait for better conditions.
  conditions:
    swell:
      height m: 0.7
      height ft: 2.3
      direction degrees: 130
      direction cardinal: SE
      period s: 8
      explanation: 0.7m (2.3ft) swell from 130° (SE) at 8s period
    wind:
      speed kmh: 11
      speed mph: 6.8
      direction degrees: 6
      direction cardinal: N
      explanation: 11 km/h (7 mph) from 6° (N)
    secondary swell:
      height m: 0.4
      direction degrees: 123
      direction cardinal: ESE
      period s: 8
forecasts:
  date: 2026-08-06
  day index: 2
  strike score:
    final score: 2
    category: Poor
    category emoji: 💤
    confidence: 0.95
    confidence explanation: High confidence (2-3 day forecast)
    breakdown:
      swell direction:
        score: 7
        out of: 25
        explanation: Poor alignment: Swell from 74° is 38° off optimal 112°, barely within workable range 90°-157°.
      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: 2
        out of: 25
        explanation: Short period: 6s is below minimum 8s. Windswell-dominated (choppy, weak waves).
      wind:
        score: 7
        out of: 25
        explanation: Moderate offshore: 19 km/h from 353° (N). Still grooming but noticeable wind.
    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 Santinho. Either swell direction (74°), size (0.6m), or wind (19 km/h from 353°) is unfavorable. Consider other spots or wait for better conditions.
  conditions:
    swell:
      height m: 0.6
      height ft: 2.0
      direction degrees: 74
      direction cardinal: ENE
      period s: 6
      explanation: 0.6m (2.0ft) swell from 74° (ENE) at 6s period
    wind:
      speed kmh: 19
      speed mph: 11.8
      direction degrees: 353
      direction cardinal: N
      explanation: 19 km/h (12 mph) from 353° (N)
    secondary swell:
      height m: 0.4
      direction degrees: 150
      direction cardinal: SSE
      period s: 8
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)
    summary: Poor conditions at Santinho. Either swell direction (99°), size (0.8m), or wind (22 km/h from 175°) is unfavorable. Consider other spots or wait for better conditions.
provider: Strike Mission
date published: 2026-08-05T00:34:44.607Z
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: 16
  out of: 25
  explanation: Moderate alignment: Swell from 99° is 13° off optimal 112°, workable but not ideal.
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: 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: 22 km/h from 175° (S). Destroying wave quality. Offshore range: 270°-360°.

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.

swell:
  height m: 0.8
  height ft: 2.6
  direction degrees: 99
  direction cardinal: E
  period s: 6
  explanation: 0.8m (2.6ft) swell from 99° (E) at 6s period
wind:
  speed kmh: 22
  speed mph: 13.7
  direction degrees: 175
  direction cardinal: S
  explanation: 22 km/h (14 mph) from 175° (S)
secondary swell:
  height m: 0.4
  direction degrees: 158
  direction cardinal: SSE
  period s: 7
windswell:
  height m: 0.7
  period s: 3
  explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-08
day index: 4
strike score:
  final score: 4
  category: Poor
  category emoji: 💤
  confidence: 0.89
  confidence explanation: Moderate confidence (4-5 day forecast)
  breakdown:
    swell direction:
      score: 6
      out of: 25
      explanation: Poor alignment: Swell from 158° is 46° off optimal 112°, barely within workable range 90°-157°.
    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: 8
      out of: 25
      explanation: Moderate period: 9s meets minimum 8s but below ideal 12s. Some groundswell energy present.
    wind:
      score: 7
      out of: 25
      explanation: Strong offshore: 20 km/h from 357° (N). Grooming but may make paddling difficult.
  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: 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 Santinho. Either swell direction (158°), size (0.8m), or wind (20 km/h from 357°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.8
    height ft: 2.6
    direction degrees: 158
    direction cardinal: SSE
    period s: 9
    explanation: 0.8m (2.6ft) swell from 158° (SSE) at 9s period
  wind:
    speed kmh: 20
    speed mph: 12.4
    direction degrees: 357
    direction cardinal: N
    explanation: 20 km/h (12 mph) from 357° (N)
  secondary swell:
    height m: 0.5
    direction degrees: 97
    direction cardinal: E
    period s: 7

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 167° is 55° off optimal 112°, barely within workable range 90°-157°.
    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: 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: 32 km/h from 176° (S). Destroying wave quality. Offshore range: 270°-360°.
  adjustments:
    wind history:
      adjustment: -7
      groomed: false
      morning sickness: true
      explanation: -7 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 Santinho. Either swell direction (167°), size (0.8m), or wind (32 km/h from 176°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.8
    height ft: 2.6
    direction degrees: 167
    direction cardinal: SSE
    period s: 6
    explanation: 0.8m (2.6ft) swell from 167° (SSE) at 6s period
  wind:
    speed kmh: 32
    speed mph: 19.9
    direction degrees: 176
    direction cardinal: S
    explanation: 32 km/h (20 mph) from 176° (S)
  windswell:
    height m: 0.8
    period s: 3
    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: 0
      out of: 25
      explanation: No alignment: Swell from 173° is outside workable range 90°-157°. Wrong swell direction for this spot.
    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: 8s meets minimum 8s but below ideal 12s. Some groundswell energy present.
    wind:
      score: 0
      out of: 25
      explanation: Onshore/cross-shore: 26 km/h from 183° (S). Destroying wave quality. Offshore range: 270°-360°.
  adjustments:
    wind history:
      adjustment: -14
      groomed: false
      morning sickness: true
      explanation: -14 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 Santinho. Either swell direction (173°), size (0.6m), or wind (26 km/h from 183°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.6
    height ft: 2.0
    direction degrees: 173
    direction cardinal: S
    period s: 8
    explanation: 0.6m (2.0ft) swell from 173° (S) at 8s period
  wind:
    speed kmh: 26
    speed mph: 16.2
    direction degrees: 183
    direction cardinal: S
    explanation: 26 km/h (16 mph) from 183° (S)
  secondary swell:
    height m: 0.4
    direction degrees: 170
    direction cardinal: S
    period s: 8
  windswell:
    height m: 0.8
    period s: 3
    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: 0
      out of: 25
      explanation: No alignment: Swell from 175° is outside workable range 90°-157°. Wrong swell direction for this spot.
    swell size:
      score: 3
      out of: 25
      explanation: Too small: 0.7m is below minimum 0.9m. 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: 1
      out of: 25
      explanation: Onshore/cross-shore: 16 km/h from 189° (S). Destroying wave quality. Offshore range: 270°-360°.
  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: -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 Santinho. Either swell direction (175°), size (0.7m), or wind (16 km/h from 189°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.7
    height ft: 2.3
    direction degrees: 175
    direction cardinal: S
    period s: 9
    explanation: 0.7m (2.3ft) swell from 175° (S) at 9s period
  wind:
    speed kmh: 16
    speed mph: 9.9
    direction degrees: 189
    direction cardinal: S
    explanation: 16 km/h (10 mph) from 189° (S)
  windswell:
    height m: 0.3
    period s: 2
    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: 0
      out of: 25
      explanation: No alignment: Swell from 172° is outside workable range 90°-157°. Wrong swell direction for this spot.
    swell size:
      score: 9
      out of: 25
      explanation: Marginal size: 1.0m is 0.4m from ideal 1.4m.
    swell period:
      score: 14
      out of: 25
      explanation: Moderate period: 10s meets minimum 8s but below ideal 12s. Some groundswell energy present.
    wind:
      score: 2
      out of: 25
      explanation: Onshore/cross-shore: 14 km/h from 147° (SSE). Destroying wave quality. Offshore range: 270°-360°.
  adjustments:
    wind history:
      adjustment: -11
      groomed: false
      morning sickness: true
      explanation: -11 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 Santinho. Either swell direction (172°), size (1.0m), or wind (14 km/h from 147°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 1
    height ft: 3.3
    direction degrees: 172
    direction cardinal: S
    period s: 10
    explanation: 1.0m (3.3ft) swell from 172° (S) at 10s period
  wind:
    speed kmh: 14
    speed mph: 8.7
    direction degrees: 147
    direction cardinal: SSE
    explanation: 14 km/h (9 mph) from 147° (SSE)

date: 2026-08-13
day index: 9
strike score:
  final score: 42
  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 129° is 17° off optimal 112°, workable but not ideal.
    swell size:
      score: 11
      out of: 25
      explanation: Marginal size: 1.1m is 0.3m from ideal 1.4m.
    swell period:
      score: 14
      out of: 25
      explanation: Moderate period: 10s meets minimum 8s but below ideal 12s. Some groundswell energy present.
    wind:
      score: 11
      out of: 25
      explanation: Onshore/cross-shore: 11 km/h from 18° (NNE). Destroying wave quality. Offshore range: 270°-360°.
  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 Santinho. Either swell direction (129°), size (1.1m), or wind (11 km/h from 18°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 1.1
    height ft: 3.6
    direction degrees: 129
    direction cardinal: SE
    period s: 10
    explanation: 1.1m (3.6ft) swell from 129° (SE) at 10s period
  wind:
    speed kmh: 11
    speed mph: 6.8
    direction degrees: 18
    direction cardinal: NNE
    explanation: 11 km/h (7 mph) from 18° (NNE)
  secondary swell:
    height m: 0.7
    direction degrees: 148
    direction cardinal: SSE
    period s: 10

Strike Mission
type: Organization