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20.045, -155.849 · Big Island, Hawaii · legal zone: open (check bag & size limits)
| Window | Viz | Score | Energy | Swell | Wind | Tide | Water | Why |
|---|---|---|---|---|---|---|---|---|
| Dawn 06:00 | 7.6m conf Low | 4 | 64 kJ | 1.1m 1.1 / 0.7 / 1.5 9s | 9 km/h ↓ | 1.7m rising | 32° | decent viz · onshore wind |
| Morning 09:00 | 7m conf Low | 3.9 | 72 kJ | 1.3m 1.3 / 0.9 / 1.7 7s | 14 km/h ↓ | 1.4m falling | 35° | decent viz · onshore wind |
| Midday 12:00 | 7.8m conf Low | 4 | 75 kJ | 1.3m 1.3 / 0.9 / 1.8 7s | 8 km/h ↓ | 0.5m falling | 34° | decent viz |
| Arvo 15:00 | 8.1m conf Low | 3.8 | 70 kJ | 1.2m 1.2 / 0.8 / 1.7 8s | 10 km/h ↓ | 0.7m rising | 29° | clear water · offshore wind |
| Dusk 18:00 | 8.2m conf Low | 4 | 63 kJ | 1.1m 1.1 / 0.7 / 1.5 8s | 2 km/h ↓ | 1.7m rising | 27° | clear water · 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.