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21.868, -159.435 · Kauai, Hawaii · legal zone: open (check bag & size limits)
| Window | Viz | Score | Energy | Swell | Wind | Tide | Water | Why |
|---|---|---|---|---|---|---|---|---|
| Dawn 06:00 | 1m conf Low | ✕ | 676 kJ | 3.5m 3.2 / 3.2 / 4.0 9s | 31 km/h ↓ | 1.5m falling | 24° | too big / strong — don't go · energy too high — not worth it |
| Morning 09:00 | 1m conf Low | ✕ | 838 kJ | 3.8m 3.5 / 3.6 / 4.4 10s | 36 km/h ↓ | 0.5m falling | 24° | too big / strong — don't go · energy too high — not worth it |
| Midday 12:00 | 1m conf Low | ✕ | 1169 kJ | 4.5m 4.1 / 4.1 / 5.2 10s | 39 km/h ↓ | 0.7m rising | 25° | too big / strong — don't go · energy too high — not worth it |
| Arvo 15:00 | 1m conf Low | ✕ | 2185 kJ | 5.9m 5.5 / 5.3 / 6.9 10s | 45 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 | ✕ | 3436 kJ | 7.2m 7.1 / 6.4 / 8.0 11s | 50 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.