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20.221, -155.729 · Big Island, Hawaii · legal zone: open (check bag & size limits)
| Window | Viz | Score | Energy | Swell | Wind | Tide | Water | Why |
|---|---|---|---|---|---|---|---|---|
| Dawn 06:00 | 3.5m conf Low | 1.8 | 131 kJ | 1.6m 2.2 / 0.6 / 2.0 9s | 32 km/h ↓ | 0.9m falling | 26° | murky · offshore wind |
| Morning 09:00 | 3.6m conf Low | 1.9 | 137 kJ | 1.7m 2.2 / 0.6 / 2.2 8s | 35 km/h ↓ | 0.4m rising | 27° | murky · offshore wind |
| Midday 12:00 | 3.5m conf Low | 1.8 | 143 kJ | 1.7m 2.2 / 0.6 / 2.3 8s | 35 km/h ↓ | 1.3m rising | 26° | murky · offshore wind |
| Arvo 15:00 | 4m conf Low | 1.8 | 143 kJ | 1.7m 2.3 / 0.6 / 2.3 8s | 31 km/h ↓ | 1.8m falling | 25° | murky · offshore wind |
| Dusk 18:00 | 4m conf Low | 1.8 | 144 kJ | 1.7m 2.4 / 0.6 / 2.2 8s | 30 km/h ↓ | 1.0m falling | 24° | murky · offshore 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.