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21.877, -159.495 · Kauai, Hawaii · legal zone: open (check bag & size limits)
| Window | Viz | Score | Energy | Swell | Wind | Tide | Water | Why |
|---|---|---|---|---|---|---|---|---|
| Dawn 06:00 | 1m conf Low | ✕ | 617 kJ | 3.3m 3.2 / 3.2 / 3.6 9s | 32 km/h ↓ | 1.5m falling | 24° | too big / strong — don't go · energy too high — not worth it |
| Morning 09:00 | 1m conf Low | ✕ | 779 kJ | 3.7m 3.5 / 3.6 / 4.0 9s | 31 km/h ↓ | 0.5m falling | 24° | too big / strong — don't go · energy too high — not worth it |
| Midday 12:00 | 1m conf Low | ✕ | 1079 kJ | 4.3m 4.2 / 4.1 / 4.6 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 | ✕ | 2001 kJ | 5.6m 5.6 / 5.3 / 5.9 11s | 46 km/h ↓ | 1.6m rising | 24° | too big / strong — don't go · energy too high — not worth it · strong wind |
| Dusk 18:00 | 1m conf Low | ✕ | 3204 kJ | 6.9m 7.3 / 6.4 / 7.2 11s | 57 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.