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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 | 1m conf Med | 0.6 | 154 kJ | 1.5m 1.4 / 1.3 / 1.9 11s | 12 km/h ↓ | 1.5m falling | 29° | murky · offshore wind |
| Morning 09:00 | 1m conf Med | 0.6 | 178 kJ | 1.6m 1.5 / 1.4 / 2.0 11s | 14 km/h ↓ | 0.5m falling | 29° | murky · offshore wind |
| Midday 12:00 | 1m conf Med | ✕ | 212 kJ | 1.8m 1.7 / 1.6 / 2.1 11s | 9 km/h ↓ | 0.7m rising | 29° | too big / strong — don't go · energy too high — not worth it |
| Arvo 15:00 | 1m conf High | ✕ | 267 kJ | 2.0m 1.9 / 1.8 / 2.2 12s | 5 km/h ↓ | 1.6m rising | 28° | too big / strong — don't go · energy too high — not worth it |
| Dusk 18:00 | 1m conf High | ✕ | 350 kJ | 2.2m 2.2 / 2.0 / 2.4 12s | 6 km/h ↓ | 1.6m falling | 28° | too big / strong — don't go · energy too high — not worth it |
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.