BEACH & SEA FLOOR GUIDE // North Shore · Ehukai BeachExpert Only / Heavy Reef Barrel

Banzai Pipeline & Backdoor · Oahu — Reef Mechanics, Channels & Wind Shadow

Early-season WNW (310°) swells clear sand off the first reef while ENE trade winds hold the barrel lip open.

HATI-HATI SAAT TAKEOFF: OMBAK MENUKIK CURAM DI ATAS KARANG DANGKAL. TERJUNLAH MENJAUHI KARANG JIKA TERJATUH.

Expert Only / Heavy Reef Barrel · Max 6.5m

Swell: 1.5m – 4.5m

SUDUT MASUK SWELL

WNW / NW (305° – 330°)

Angle: 305° – 330°

PERLINDUNGAN ANGIN

E / ENE (Alísios Havaianos Sopram 100% Offshore) (Offshore)

Trade Wind & Orographic Shelter

STRUKTUR DASAR & KEDALAMAN

Shallow Cavernous Coral & Lava Reef with Sand Channel

Cavernous Left Barrel (Pipeline) & Fast Right (Backdoor) over Shallow Reef

SWELL CAPTURE (BLUE) & WIND SHADOW (EMERALD) COMPASS

Swell: 332° (NNW) · Wind: 70° (ENE)

HYDROGRAPHIC REFRACTION, TAKEOFF & EXIT CHANNEL PROFILE

Beach & Reef Bottom Profile

Dinamika Ombak (Dasar Karang (Reef Break)): Garis alun berperiode panjang (13dtk+) langsung membiaskan saat menyentuh paparan vulkanik bawah laut, memusatkan energi ombak 735 kJ ke area takeoff sementara ombak mengelupas rapi. Saluran arus di sampingnya mengalirkan air dengan lancar tanpa menyeret peselancar ke zona tubrukan.

1. ATURAN EMAS KELUAR MASUK AIR

Enter and exit through the sandy channel just west toward Pupukea, watching for the lateral rip pulling east toward Off The Wall.

Pasang Naik Maksimal: {tide}m: 2.10m•Pasang Surut Minimal: {tide}m: 0.40m

2. BAHAYA LOKAL DI PERAIRAN