BEACH & SEA FLOOR GUIDE // Sheltered North BayBeginner / All Levels

Seixal · Praia de Areia Preta — Reef Mechanics, Channels & Wind Shadow

Breathtaking amphitheater of green UNESCO Laurissilva cliffs and waterfalls dropping onto soft volcanic black sand with a 24/7 live HD webcam.

TAKEOFF CAUTION: STEEP DROP OVER SHALLOW BOTTOM. WATCH YOUR DEPTH ON WIPEOUTS.
Beginner / All Levels · Max 3.2m
Swell: 0.8m – 2.5m
SWELL WINDOW
NNW / N / NE (320° – 35°)
Angle: 320° – 360°
WIND SHADOW & SHELTER
S / SW / W / Calmo (Molhe Protege do Swell Pesado) (Offshore)
Trade Wind & Orographic Shelter
SUBSTRATE & DEPTH
100% Fine Volcanic Black Sand (Stone-Free Bottom)
Gentle Volcanic Black-Sand Beachbreak
SWELL CAPTURE (BLUE) & WIND SHADOW (EMERALD) COMPASS
N (0°)ESW
Swell: 15° (NNE) · Wind: 180° (S)

HYDROGRAPHIC REFRACTION, TAKEOFF & EXIT CHANNEL PROFILE

Beach & Reef Bottom Profile
MAX HIGH TIDE: {TIDE}M (1.90m (HIGH TIDE DANGER: WAVES BOUNCE OFF THE WALL ONTO THE ROCKS (>1.75M)))GOOD TIDE LEVEL TO GET IN AND OUT SAFELY VIA THE BOAT RAMP CHANNEL (0.78M - 1.62M) (0.40m – 1.80m)TAKEOFF CAUTION: STEEP DROP OVER SHALLOW BOTTOM. WATCH YOUR DEPTH ON WIPEOUTS. (NNW / N / NE (320° – 35°))SWELL WINDOWBOTTOM TYPE: BEACH BREAKWATER ACCESSLOW TIDE: WATCH OUT FOR EXPOSED ROCKS WHEN GETTING IN AND OUT (BELOW 0.78M)

Wave Dynamics (Beach Break): Long-period groundswell trains (10s+) undergo immediate refraction upon contacting the submarine volcanic shelf, concentrating 45 kJ of wave energy onto the takeoff bowl while peeling cleanly. The adjacent entry channel drains water smoothly without dragging surfers into the impact zone.

1. GOLDEN ENTRY & EXIT PROTOCOL

Walk straight in and out on soft black sand next to the Seixal harbor jetty. When the open North Coast is huge (2.5m+), the breakwater filters the swell into clean 0.8m–1.2m waves inside the bay.

Max High Tide: {tide}m: 1.90m•Min Low Tide: {tide}m: 0.40m
2. LOCAL WATER HAZARDS
  • •Punchy shorebreak right on the sand during the top 30 minutes of spring high tide
  • •Respect designated swimmer and surf-school zones in summer

EXPLORE TECHNICAL DOSSIERS FOR OTHER SPOTS (ALL 19 SPOTS)

19 Monitored Spots