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19.957, -155.871 · Big Island, Hawaii · legal zone: open (check bag & size limits)
| Window | Viz | Score | Energy | Swell | Wind | Tide | Water | Why |
|---|---|---|---|---|---|---|---|---|
| Dawn 06:00 | 7.9m conf Low | 4.2 | 65 kJ | 1.1m 1.2 / 0.7 / 1.4 9s | 5 km/h ↓ | 1.7m falling | 30° | decent viz · offshore wind |
| Morning 09:00 | 7.9m conf Low | 4.3 | 68 kJ | 1.2m 1.3 / 0.8 / 1.5 8s | 6 km/h ↓ | 0.9m falling | 31° | decent viz · offshore wind |
| Midday 12:00 | 7.6m conf Low | 4 | 68 kJ | 1.2m 1.3 / 0.8 / 1.5 8s | 4 km/h ↓ | 0.4m rising | 29° | decent viz · onshore wind |
| Arvo 15:00 | 7.2m conf Low | 3.6 | 65 kJ | 1.1m 1.2 / 0.7 / 1.5 8s | 8 km/h ↓ | 1.3m rising | 27° | decent viz · onshore wind |
| Dusk 18:00 | 7.2m conf Low | 3.6 | 61 kJ | 1.1m 1.1 / 0.7 / 1.5 8s | 6 km/h ↓ | 1.8m falling | 26° | decent viz · onshore 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.