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18.989, -155.588 · Big Island, Hawaii · legal zone: open (check bag & size limits)
| Window | Viz | Score | Energy | Swell | Wind | Tide | Water | Why |
|---|---|---|---|---|---|---|---|---|
| Dawn 06:00 | 1m conf High | ✕ | 285 kJ | 2.1m 11s | 9 km/h ↓ | 1.7m rising | 29° | too big / strong — don't go · energy too high — not worth it |
| Morning 09:00 | 1m conf High | ✕ | 248 kJ | 2.0m 11s | 12 km/h ↓ | 1.4m falling | 30° | too big / strong — don't go · energy too high — not worth it |
| Midday 12:00 | 1m conf High | ✕ | 216 kJ | 1.8m 11s | 8 km/h ↓ | 0.5m falling | 30° | too big / strong — don't go · energy too high — not worth it |
| Arvo 15:00 | 1m conf High | 0.5 | 192 kJ | 1.7m 11s | 5 km/h ↓ | 0.7m rising | 26° | murky · onshore wind |
| Dusk 18:00 | 1m conf High | 0.6 | 173 kJ | 1.6m 11s | 2 km/h ↓ | 1.7m rising | 26° | murky |
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.