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20.148, -155.635 · Big Island, Hawaii · legal zone: open (check bag & size limits)
| Window | Viz | Score | Energy | Swell | Wind | Tide | Water | Why |
|---|---|---|---|---|---|---|---|---|
| Dawn 06:00 | 5m conf Low | 2.7 | 121 kJ | 1.5m 2.0 / 0.6 / 2.0 9s | 14 km/h ↓ | 1.7m falling | 25° | murky · offshore wind |
| Morning 09:00 | 4.7m conf Low | 2.6 | 123 kJ | 1.5m 2.0 / 0.6 / 2.0 9s | 16 km/h ↓ | 0.9m falling | 26° | murky · offshore wind |
| Midday 12:00 | 5.2m conf Low | 2.7 | 124 kJ | 1.5m 2.0 / 0.6 / 2.0 9s | 12 km/h ↓ | 0.4m rising | 24° | decent viz · offshore wind |
| Arvo 15:00 | 5.3m conf Low | 2.5 | 128 kJ | 1.5m 2.0 / 0.5 / 2.0 9s | 8 km/h ↓ | 1.3m rising | 23° | decent viz · offshore wind |
| Dusk 18:00 | 5.3m conf Low | 2.5 | 132 kJ | 1.5m 2.0 / 0.5 / 2.1 9s | 8 km/h ↓ | 1.8m falling | 22° | decent viz · 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.