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37.543, -122.519 · San Mateo, California · legal zone: ⛔ Montara State Marine Reserve — no-take — no spearfishing
| Window | Viz | Score | Energy | Swell | Wind | Tide | Water | Why |
|---|---|---|---|---|---|---|---|---|
| Dawn 06:00 | 1m conf High | ✕ | 248 kJ | 1.9m – / 2.1 / 1.8 11s | 14 km/h ↓ | 1.2m falling | 14° | too big / strong — don't go · energy too high — not worth it |
| Morning 09:00 | 1m conf High | ✕ | 230 kJ | 1.8m 11s | 9 km/h ↓ | 0.4m falling | 16° | too big / strong — don't go · energy too high — not worth it |
| Midday 12:00 | 1m conf High | ✕ | 209 kJ | 1.7m 12s | 14 km/h ↓ | 1.0m rising | 15° | too big / strong — don't go · energy too high — not worth it |
| Arvo 15:00 | 1m conf High | 0.4 | 193 kJ | 1.7m 12s | 10 km/h ↓ | 1.8m rising | 14° | murky |
| Dusk 18:00 | 1m conf High | 0.4 | 180 kJ | 1.6m 12s | 9 km/h ↓ | 1.3m falling | 13° | murky · 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 California Dept. of Fish & Wildlife (CDFW)
🔱 Scuba spearfishing is legal, and spear divers are exempt from rockfish season & depth closures. Lobster & abalone may NOT be speared.