Surf Forecast for Panaitan (Apocalypse)
type: Dataset
description: 10-day surf forecast with Strike Scores for Panaitan (Apocalypse), West Java / Sunda Strait, Indonesia
about: Panaitan (Apocalypse)
  type: TouristAttraction
  geo: GeoCoordinates
    latitude: -6.61648
    longitude: 105.2597
  description: Apocalypse is an epic tubing left reef break on Panaitan Island in the Sunda Strait, accessible only by boat charter from the Java coast. When a solid SW swell hits this remote island, the wave produces unforgettable barrel rides over shallow reef in a pristine tropical setting. The isolation and boat-access-only nature of the break means uncrowded sessions in one of Indonesia's wildest coastal environments, with the Ujung Kulon National Park as the stunning backdrop.
summary:
  best day:
    date: 2026-08-07
    score: 73
    category: Good
    explanation: Best day in the forecast: 2026-08-07 with a score of 73/100 (Good)
  firing days count: 0
  overall recommendation: Fair recommendation: Panaitan (Apocalypse) has 4 Good days but no Firing days. Decent for a local session.
forecasts:
  date: 2026-08-05
  day index: 0
  strike score:
    final score: 44
    category: Poor
    category emoji: 💤
    confidence: 1
    confidence explanation: Very high confidence (0-1 day forecast)
    breakdown:
      swell direction:
        score: 15
        out of: 25
        explanation: Moderate alignment: Swell from 204° is 16° off optimal 220°, workable but not ideal.
      swell size:
        score: 3
        out of: 25
        explanation: Too small: 1.1m is below minimum 1.5m. Waves will be weak/mushy.
      swell period:
        score: 25
        out of: 25
        explanation: Perfect period: 16s is at or above ideal 14s. Long-period groundswell with maximum power.
      wind:
        score: 5
        out of: 25
        explanation: Onshore/cross-shore: 18 km/h from 147° (SSE). Destroying wave quality. Offshore range: 82°-142°.
    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 Panaitan (Apocalypse). Either swell direction (204°), size (1.1m), or wind (18 km/h from 147°) is unfavorable. Consider other spots or wait for better conditions.
  conditions:
    swell:
      height m: 1.1
      height ft: 3.6
      direction degrees: 204
      direction cardinal: SSW
      period s: 16
      explanation: 1.1m (3.6ft) swell from 204° (SSW) at 16s period
    wind:
      speed kmh: 18
      speed mph: 11.2
      direction degrees: 147
      direction cardinal: SSE
      explanation: 18 km/h (11 mph) from 147° (SSE)
    secondary swell:
      height m: 0.5
      direction degrees: 204
      direction cardinal: SSW
      period s: 16
    windswell:
      height m: 0.4
      period s: 3
      explanation: Local wind-generated waves (choppy, short-period)
forecasts:
  date: 2026-08-06
  day index: 1
  strike score:
    final score: 70
    category: Good
    category emoji: ✅
    confidence: 1
    confidence explanation: Very high confidence (0-1 day forecast)
    breakdown:
      swell direction:
        score: 16
        out of: 25
        explanation: Moderate alignment: Swell from 207° is 13° off optimal 220°, workable but not ideal.
      swell size:
        score: 8
        out of: 25
        explanation: Marginal size: 1.5m is 0.8m from ideal 2.3m.
      swell period:
        score: 23
        out of: 25
        explanation: Good period: 17s is 121% of ideal 14s. Clean, powerful groundswell.
      wind:
        score: 25
        out of: 25
        explanation: Moderate offshore: 11 km/h from 106° (ESE). 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: Good surfable conditions at Panaitan (Apocalypse). 1.5m swell from 207° with manageable wind. Solid session guaranteed.
  conditions:
    swell:
      height m: 1.5
      height ft: 4.9
      direction degrees: 207
      direction cardinal: SSW
      period s: 17
      explanation: 1.5m (4.9ft) swell from 207° (SSW) at 17s period
    wind:
      speed kmh: 11
      speed mph: 6.8
      direction degrees: 106
      direction cardinal: ESE
      explanation: 11 km/h (7 mph) from 106° (ESE)
    secondary swell:
      height m: 0.4
      direction degrees: 289
      direction cardinal: WNW
      period s: 7
forecasts:
  date: 2026-08-07
  day index: 2
  strike score:
    final score: 73
    category: Good
    category emoji: ✅
    confidence: 0.95
    confidence explanation: High confidence (2-3 day forecast)
    breakdown:
      swell direction:
        score: 15
        out of: 25
        explanation: Moderate alignment: Swell from 204° is 16° off optimal 220°, workable but not ideal.
      swell size:
        score: 9
        out of: 25
        explanation: Marginal size: 1.6m is 0.6m from ideal 2.3m.
      swell period:
        score: 25
        out of: 25
        explanation: Perfect period: 16s is at or above ideal 14s. Long-period groundswell with maximum power.
      wind:
        score: 24
        out of: 25
        explanation: Moderate offshore: 12 km/h from 128° (SE). 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: Good surfable conditions at Panaitan (Apocalypse). 1.6m swell from 204° with manageable wind. Solid session guaranteed.
  conditions:
    swell:
      height m: 1.6
      height ft: 5.2
      direction degrees: 204
      direction cardinal: SSW
      period s: 16
      explanation: 1.6m (5.2ft) swell from 204° (SSW) at 16s period
    wind:
      speed kmh: 12
      speed mph: 7.5
      direction degrees: 128
      direction cardinal: SE
      explanation: 12 km/h (7 mph) from 128° (SE)
    secondary swell:
      height m: 0.4
      direction degrees: 151
      direction cardinal: SSE
      period s: 4
forecasts:
  date: 2026-08-08
  day index: 3
  strike score:
    final score: 54
    category: Fair
    category emoji: 😐
    confidence: 0.92
    confidence explanation: High confidence (2-3 day forecast)
    summary: Surfable but not special at Panaitan (Apocalypse). The 1.6m swell from 204° is workable, but conditions aren't ideal. Fine if you're local, but not worth a dedicated trip.
provider: Strike Mission
date published: 2026-08-05T00:35:30.414Z
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)

swell direction:
  score: 15
  out of: 25
  explanation: Moderate alignment: Swell from 204° is 16° off optimal 220°, workable but not ideal.
swell size:
  score: 9
  out of: 25
  explanation: Marginal size: 1.6m is 0.6m from ideal 2.3m.
swell period:
  score: 25
  out of: 25
  explanation: Perfect period: 16s is at or above ideal 14s. Long-period groundswell with maximum power.
wind:
  score: 2
  out of: 25
  explanation: Onshore/cross-shore: 20 km/h from 144° (SE). Destroying wave quality. Offshore range: 82°-142°.

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: 1.6
  height ft: 5.2
  direction degrees: 204
  direction cardinal: SSW
  period s: 16
  explanation: 1.6m (5.2ft) swell from 204° (SSW) at 16s period
wind:
  speed kmh: 20
  speed mph: 12.4
  direction degrees: 144
  direction cardinal: SE
  explanation: 20 km/h (12 mph) from 144° (SE)
secondary swell:
  height m: 0.5
  direction degrees: 158
  direction cardinal: SSE
  period s: 5
windswell:
  height m: 0.5
  period s: 3
  explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-09
day index: 4
strike score:
  final score: 65
  category: Good
  category emoji: ✅
  confidence: 0.89
  confidence explanation: Moderate confidence (4-5 day forecast)
  breakdown:
    swell direction:
      score: 14
      out of: 25
      explanation: Moderate alignment: Swell from 202° is 18° off optimal 220°, workable but not ideal.
    swell size:
      score: 8
      out of: 25
      explanation: Marginal size: 1.5m is 0.8m from ideal 2.3m.
    swell period:
      score: 25
      out of: 25
      explanation: Perfect period: 16s is at or above ideal 14s. Long-period groundswell with maximum power.
    wind:
      score: 20
      out of: 25
      explanation: Moderate offshore: 18 km/h from 134° (SE). 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: Good surfable conditions at Panaitan (Apocalypse). 1.5m swell from 202° with moderate wind. Solid session guaranteed.
conditions:
  swell:
    height m: 1.5
    height ft: 4.9
    direction degrees: 202
    direction cardinal: SSW
    period s: 16
    explanation: 1.5m (4.9ft) swell from 202° (SSW) at 16s period
  wind:
    speed kmh: 18
    speed mph: 11.2
    direction degrees: 134
    direction cardinal: SE
    explanation: 18 km/h (11 mph) from 134° (SE)
  secondary swell:
    height m: 0.6
    direction degrees: 161
    direction cardinal: SSE
    period s: 5
  windswell:
    height m: 0.5
    period s: 3
    explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-10
day index: 5
strike score:
  final score: 46
  category: Fair
  category emoji: 😐
  confidence: 0.86
  confidence explanation: Moderate confidence (4-5 day forecast)
  breakdown:
    swell direction:
      score: 10
      out of: 25
      explanation: Moderate alignment: Swell from 193° is 27° off optimal 220°, workable but not ideal.
    swell size:
      score: 5
      out of: 25
      explanation: Too small: 1.4m is below minimum 1.5m. Waves will be weak/mushy.
    swell period:
      score: 25
      out of: 25
      explanation: Perfect period: 15s is at or above ideal 14s. Long-period groundswell with maximum power.
    wind:
      score: 16
      out of: 25
      explanation: Moderate offshore: 18 km/h from 138° (SE). 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: Surfable but not special at Panaitan (Apocalypse). The 1.4m swell from 193° is workable, but conditions aren't ideal. Fine if you're local, but not worth a dedicated trip.
conditions:
  swell:
    height m: 1.4
    height ft: 4.6
    direction degrees: 193
    direction cardinal: SSW
    period s: 15
    explanation: 1.4m (4.6ft) swell from 193° (SSW) at 15s period
  wind:
    speed kmh: 18
    speed mph: 11.2
    direction degrees: 138
    direction cardinal: SE
    explanation: 18 km/h (11 mph) from 138° (SE)
  secondary swell:
    height m: 0.7
    direction degrees: 185
    direction cardinal: S
    period s: 13
  windswell:
    height m: 0.4
    period s: 3
    explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-11
day index: 6
strike score:
  final score: 52
  category: Fair
  category emoji: 😐
  confidence: 0.83
  confidence explanation: Low confidence (6-7 day forecast)
  breakdown:
    swell direction:
      score: 10
      out of: 25
      explanation: Moderate alignment: Swell from 192° is 28° off optimal 220°, workable but not ideal.
    swell size:
      score: 9
      out of: 25
      explanation: Marginal size: 1.6m is 0.6m from ideal 2.3m.
    swell period:
      score: 23
      out of: 25
      explanation: Good period: 17s is 121% of ideal 14s. Clean, powerful groundswell.
    wind:
      score: 13
      out of: 25
      explanation: Strong offshore: 25 km/h from 137° (SE). Grooming but may make paddling difficult.
  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: Surfable but not special at Panaitan (Apocalypse). The 1.6m swell from 192° is workable, but conditions aren't ideal. Fine if you're local, but not worth a dedicated trip.
conditions:
  swell:
    height m: 1.6
    height ft: 5.2
    direction degrees: 192
    direction cardinal: SSW
    period s: 17
    explanation: 1.6m (5.2ft) swell from 192° (SSW) at 17s period
  wind:
    speed kmh: 25
    speed mph: 15.5
    direction degrees: 137
    direction cardinal: SE
    explanation: 25 km/h (16 mph) from 137° (SE)
  secondary swell:
    height m: 0.4
    direction degrees: 191
    direction cardinal: S
    period s: 11
  windswell:
    height m: 0.8
    period s: 4
    explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-12
day index: 7
strike score:
  final score: 60
  category: Fair
  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 188° is 32° off optimal 220°, barely within workable range 200°-240°.
    swell size:
      score: 5
      out of: 25
      explanation: Too small: 1.3m is below minimum 1.5m. Waves will be weak/mushy.
    swell period:
      score: 23
      out of: 25
      explanation: Good period: 17s is 121% of ideal 14s. Clean, powerful groundswell.
    wind:
      score: 21
      out of: 25
      explanation: Moderate offshore: 17 km/h from 133° (SE). Still grooming but noticeable wind.
  adjustments:
    wind history:
      adjustment: 6
      groomed: true
      morning sickness: false
      explanation: +6 points: Multiple days of offshore wind have groomed the ocean surface, creating ultra-clean conditions.
    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: Surfable but not special at Panaitan (Apocalypse). The 1.3m swell from 188° is workable, but conditions aren't ideal. Fine if you're local, but not worth a dedicated trip.
conditions:
  swell:
    height m: 1.3
    height ft: 4.3
    direction degrees: 188
    direction cardinal: S
    period s: 17
    explanation: 1.3m (4.3ft) swell from 188° (S) at 17s period
  wind:
    speed kmh: 17
    speed mph: 10.6
    direction degrees: 133
    direction cardinal: SE
    explanation: 17 km/h (11 mph) from 133° (SE)
  secondary swell:
    height m: 0.6
    direction degrees: 199
    direction cardinal: SSW
    period s: 11
  windswell:
    height m: 0.4
    period s: 3
    explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-13
day index: 8
strike score:
  final score: 66
  category: Good
  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 186° is 34° off optimal 220°, barely within workable range 200°-240°.
    swell size:
      score: 12
      out of: 25
      explanation: Marginal size: 1.9m is 0.4m from ideal 2.3m.
    swell period:
      score: 25
      out of: 25
      explanation: Perfect period: 16s is at or above ideal 14s. Long-period groundswell with maximum power.
    wind:
      score: 19
      out of: 25
      explanation: Moderate offshore: 15 km/h from 135° (SE). Still grooming but noticeable wind.
  adjustments:
    wind history:
      adjustment: 6
      groomed: true
      morning sickness: false
      explanation: +6 points: Multiple days of offshore wind have groomed the ocean surface, creating ultra-clean conditions.
    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: Good surfable conditions at Panaitan (Apocalypse). 1.9m swell from 186° with moderate wind. Solid session guaranteed.
conditions:
  swell:
    height m: 1.9
    height ft: 6.2
    direction degrees: 186
    direction cardinal: S
    period s: 16
    explanation: 1.9m (6.2ft) swell from 186° (S) at 16s period
  wind:
    speed kmh: 15
    speed mph: 9.3
    direction degrees: 135
    direction cardinal: SE
    explanation: 15 km/h (9 mph) from 135° (SE)
  secondary swell:
    height m: 0.5
    direction degrees: 163
    direction cardinal: SSE
    period s: 6
  windswell:
    height m: 0.4
    period s: 2
    explanation: Local wind-generated waves (choppy, short-period)

date: 2026-08-14
day index: 9
strike score:
  final score: 15
  category: Poor
  category emoji: 💤
  confidence: 0.8
  confidence explanation: Very low confidence (8-10 day forecast, conditions may change)
  breakdown:
    swell direction:
      score: 20
      out of: 25
      explanation: Good alignment: Swell from 213° is 7° off optimal 220°, still within prime range.
    swell size:
      score: 1
      out of: 25
      explanation: Too small: 0.7m is below minimum 1.5m. Waves will be weak/mushy.
    swell period:
      score: 25
      out of: 25
      explanation: Perfect period: 16s is at or above ideal 14s. Long-period groundswell with maximum power.
    wind:
      score: 14
      out of: 25
      explanation: Strong offshore: 21 km/h from 140° (SE). Grooming but may make paddling difficult.
  adjustments:
    wind history:
      adjustment: 6
      groomed: true
      morning sickness: false
      explanation: +6 points: Multiple days of offshore wind have groomed the ocean surface, creating ultra-clean conditions.
    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 Panaitan (Apocalypse). Either swell direction (213°), size (0.7m), or wind (21 km/h from 140°) is unfavorable. Consider other spots or wait for better conditions.
conditions:
  swell:
    height m: 0.7
    height ft: 2.3
    direction degrees: 213
    direction cardinal: SSW
    period s: 16
    explanation: 0.7m (2.3ft) swell from 213° (SSW) at 16s period
  wind:
    speed kmh: 21
    speed mph: 13.0
    direction degrees: 140
    direction cardinal: SE
    explanation: 21 km/h (13 mph) from 140° (SE)
  secondary swell:
    height m: 0.5
    direction degrees: 162
    direction cardinal: SSE
    period s: 7
  windswell:
    height m: 0.5
    period s: 3
    explanation: Local wind-generated waves (choppy, short-period)

Strike Mission
type: Organization