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21.953, -159.668 · Kauai, Hawaii · legal zone: open (check bag & size limits)
| Window | Viz | Score | Energy | Swell | Wind | Tide | Water | Why |
|---|---|---|---|---|---|---|---|---|
| Dawn 06:00 | 1m conf Low | ✕ | 594 kJ | 3.2m – / 2.8 / 3.6 10s | 30 km/h ↓ | 1.5m falling | 24° | too big / strong — don't go · energy too high — not worth it |
| Morning 09:00 | 1m conf Low | ✕ | 766 kJ | 3.6m – / 3.2 / 4.0 10s | 33 km/h ↓ | 0.5m falling | 25° | too big / strong — don't go · energy too high — not worth it |
| Midday 12:00 | 1m conf Low | ✕ | 1067 kJ | 4.2m – / 3.9 / 4.5 10s | 37 km/h ↓ | 0.7m rising | 25° | too big / strong — don't go · energy too high — not worth it |
| Arvo 15:00 | 1m conf Low | ✕ | 1898 kJ | 5.4m – / 5.2 / 5.6 11s | 46 km/h ↓ | 1.6m rising | 25° | too big / strong — don't go · energy too high — not worth it · strong wind |
| Dusk 18:00 | 1m conf Low | ✕ | 3021 kJ | 6.7m 11s | 53 km/h ↓ | 1.6m falling | 24° | too big / strong — don't go · energy too high — not worth it · strong wind |
Swell column shows the 3-model mean; the amber row below it is ECMWF / Météo-France / GWAM separately (shown only when they disagree).
Common targets here. Size & bag limits are indicative — always verify current rules with Hawaiʻi Division of Aquatic Resources (DAR)
🔱 Scuba spearfishing is BANNED in the West Hawaiʻi area (Big Island west coast) and at Kīpahulu (Maui). Never spear crustaceans, turtles or marine mammals.