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19.475, -154.813 · Big Island, Hawaii · legal zone: open (check bag & size limits)
| Window | Viz | Score | Energy | Swell | Wind | Tide | Water | Why |
|---|---|---|---|---|---|---|---|---|
| Dawn 06:00 | 1m conf High | ✕ | 395 kJ | 2.5m 10s | 20 km/h ↓ | 1.8m rising | 28° | too big / strong — don't go · energy too high — not worth it |
| Morning 09:00 | 1m conf High | ✕ | 402 kJ | 2.6m 10s | 21 km/h ↓ | 1.1m falling | 29° | too big / strong — don't go · energy too high — not worth it |
| Midday 12:00 | 1m conf High | ✕ | 399 kJ | 2.6m 2.6 / 2.4 / 2.7 10s | 20 km/h ↓ | 0.4m falling | 27° | too big / strong — don't go · energy too high — not worth it |
| Arvo 15:00 | 1m conf High | ✕ | 399 kJ | 2.6m 2.6 / 2.4 / 2.7 10s | 16 km/h ↓ | 1.0m rising | 25° | too big / strong — don't go · energy too high — not worth it |
| Dusk 18:00 | 1m conf High | ✕ | 406 kJ | 2.6m 10s | 17 km/h ↓ | 1.8m rising | 25° | 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.