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19.952, -155.881 · 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 Med | 4.2 | 58 kJ | 1.1m 1.0 / 0.9 / 1.3 8s | 8 km/h ↓ | 1.8m rising | 29° | decent viz · offshore wind |
| Morning 09:00 | 7.8m conf Med | 4.2 | 63 kJ | 1.2m 1.2 / 0.9 / 1.4 8s | 11 km/h ↓ | 1.1m falling | 32° | decent viz · offshore wind |
| Midday 12:00 | 7.4m conf Med | 3.9 | 69 kJ | 1.3m 1.3 / 1.0 / 1.6 7s | 12 km/h ↓ | 0.4m falling | 32° | decent viz |
| Arvo 15:00 | 7.5m conf Low | 3.7 | 70 kJ | 1.3m 1.2 / 1.0 / 1.7 7s | 6 km/h ↓ | 1.0m rising | 29° | decent viz · onshore wind |
| Dusk 18:00 | 7.3m conf Low | 3.7 | 67 kJ | 1.3m 1.2 / 1.0 / 1.6 7s | 6 km/h ↓ | 1.8m rising | 28° | 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.