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20.590, -156.431 · Maui, Hawaii · legal zone: ⛔ Ahihi-Kinau Natural Area Reserve — no-take — no spearfishing
| Window | Viz | Score | Energy | Swell | Wind | Tide | Water | Why |
|---|---|---|---|---|---|---|---|---|
| Dawn 06:00 | 1m conf Low | ✕ | 209 kJ | 1.8m 1.7 / 1.5 / 2.2 11s | 13 km/h ↓ | 1.7m falling | 26° | too big / strong — don't go · energy too high — not worth it |
| Morning 09:00 | 1m conf Low | ✕ | 222 kJ | 1.9m 1.9 / 1.6 / 2.3 10s | 17 km/h ↓ | 0.9m falling | 26° | too big / strong — don't go · energy too high — not worth it |
| Midday 12:00 | 1m conf Low | ✕ | 229 kJ | 2.0m 2.0 / 1.6 / 2.3 10s | 15 km/h ↓ | 0.4m rising | 26° | too big / strong — don't go · energy too high — not worth it |
| Arvo 15:00 | 1m conf Med | ✕ | 226 kJ | 1.9m 1.9 / 1.6 / 2.3 10s | 10 km/h ↓ | 1.3m rising | 24° | too big / strong — don't go · energy too high — not worth it |
| Dusk 18:00 | 1m conf Med | ✕ | 220 kJ | 1.9m 1.9 / 1.5 / 2.3 10s | 7 km/h ↓ | 1.8m falling | 24° | too big / strong — don't go · energy too high — not worth it |
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.