Bat Cave surf

Bat Cave

Intermediate
Reef break · Moderate · Best: April–October · All tides
Working best in Mentawai now HT’s (Hollow Trees / Lance’s Right) Epic · 1.3m @ 11s View →
Conditions right now
Good
Wave
1.0m
Swell
0.9m
9s · S
Period
9s
Wind
6 km/h
WNW · gust 18
Cross-shore
Water
30°C
Air
25°C

Surf report

Tide rising · High 12:00 PM 0.7m
Time Surf Swell Wind Tide
6 AM 1.1 m
0.9m 9s S
6 km/h off
0.5m
9 AM 1.0 m
0.9m 9s S
6 km/h cross
0.5m
12 PM 1.0 m
0.9m 9s S
8 km/h cross
0.7m
3 PM 1.0 m
0.9m 10s SSW
4 km/h off
0.6m
6 PM 1.0 m
0.9m 10s S
3 km/h off
0.3m
Best session today
3 PM–5 PM
Offshore 0.9m swell @ 10s

Next 24 hours

Wave Swell
0.0 0.8 1.5 8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM

Wind

Speed Gusts (km/h)
0 15 30 8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM

Tide

High 12:00 PM · 0.7m Low 7:00 PM · 0.3m High 2:00 AM · 0.9m Low 8:00 AM · 0.4m
H 12 PM L 7 PM H 2 AM L 8 AM H 2 PM L 8 PM H 3 AM 8 AM2 PM8 PM2 AM8 AM2 PM8 PM2 AM

7-day outlook

Best days
Wed, Jun 10
1.0–1.2m
Thu, Jun 11
1.1–1.4m
Fri, Jun 12 Best
1.3–1.4m
Sat, Jun 13
1.1–1.3m
Sun, Jun 14
1.1–1.2m
Mon, Jun 15
1.1–1.3m
Tue, Jun 16
1.0–1.1m

Hourly detail

Show next 24h
Time Wave Swell Period Wind Tide
8 AM 1.0m 0.9m S 9s 6 WNW cross 0.5m
9 AM 1.0m 0.9m S 9s 6 W cross 0.5m
10 AM 1.0m 0.9m S 9s 3 N off 0.6m
11 AM 1.0m 0.9m S 9s 5 NW off 0.7m
12 PM 1.0m 0.9m S 9s 8 WNW cross 0.7m
1 PM 1.0m 0.8m S 9s 8 WNW cross 0.7m
2 PM 1.0m 0.8m S 9s 7 WNW cross 0.7m
3 PM 1.0m 0.9m SSW 10s 4 NW off 0.6m
4 PM 1.0m 0.9m SSW 10s 3 N off 0.5m
5 PM 1.0m 0.9m SSW 10s 3 NNE off 0.4m
6 PM 1.0m 0.9m S 10s 3 NE off 0.3m
7 PM 1.0m 0.9m S 9s 5 NNE off 0.3m
8 PM 1.1m 0.9m S 10s 6 NNE off 0.3m
9 PM 1.1m 0.8m S 10s 5 N off 0.4m
10 PM 1.1m 0.8m S 11s 3 NNE off 0.5m
11 PM 1.1m 0.8m SSW 11s 3 NE off 0.7m
12 AM 1.1m 0.8m SSW 11s 4 NE off 0.8m
1 AM 1.1m 0.8m SSW 11s 2 ENE off 0.9m
2 AM 1.1m 0.9m SSW 11s 1 NE off 0.9m
3 AM 1.2m 0.9m SSW 10s 1 NE off 0.9m
4 AM 1.2m 1.0m SSW 10s 2 ESE cross 0.8m
5 AM 1.2m 1.0m SSW 10s 2 ENE cross 0.7m
6 AM 1.2m 1.0m SSW 11s 1 E cross 0.5m
7 AM 1.2m 1.1m SSW 11s 2 ENE cross 0.4m

About Bat Cave

Bat Cave es un divertido reef break escondido en el archipiélago de las Mentawai, con olas potentes y huecas que premian a los surfistas capaces de leer los fondos de arrecife. Funciona mejor con un swell sólido, generando secciones cortas y poderosas ideales para practicar el barrel riding y los giros rápidos. Los surfistas de nivel intermedio encontrarán en él un salto satisfactorio respecto a los beach breaks suaves, aunque el arrecife exige respeto y calzado adecuado fuera del agua. El pico suele estar menos concurrido que los spots más famosos de las Mentawai.

Local knowledge

Hazards

El arrecife es poco profundo, afilado y está cubierto de coral vivo — una caída en una ola de serie puede provocar cortes serios o algo peor, por lo que se recomienda encarecidamente casco y reef booties. Vigila los erizos de mar en las zonas más someras cerca del canal de entrada, y ten cuidado con las corrientes que pueden arrastrarte a lo largo del borde del arrecife cuando el swell está activo. El tráfico de embarcaciones —barcos charter y taxis acuáticos— puede sorprenderte en el canal, así que mantente alerta.

Getting there

Bat Cave es un spot al que solo se puede acceder en barco dentro de las Mentawai — llegarás en un barco charter o en una lancha rápida de excursión de día desde Padang o desde alguna de las bases insulares cercanas (zona de Macaronis Resort). Fondea en el canal, evalúa el arrecife desde la embarcación antes de remar hacia fuera, y utiliza el canal de aguas más profundas para entrar y salir con seguridad en lugar de intentar cruzar el arrecife seco.

Board

Una shortboard versátil de entre 6'0" y 6'4" con algo de volumen extra maneja bien las secciones potentes y huecas la mayoría de los días; trae una step-up (6'4"–6'8") si hay un swell sólido de 4–6 pies para mantener el control en las paredes más pesadas y rápidas. Olvídate de la fish o el longboard — el carácter rápido y ledging del arrecife premia las tablas con rocker y agarre.

Localism

mellow — relaxed vibe.

Where to go now

Bat Cave vs. nearby, live
Spot Surf Swell Wind Now
Bat Cave
this spot
1.0m
0.9m 9s
6 cross
Good
Lance’s Left Best now
17 km away
1.3m
1.2m 11s
9 off
Epic
17 km away
1.3m
1.2m 11s
9 off
Epic
19 km away
1.2m
1.0m 11s
9 off
Epic

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Surfing in Mentawai

Full Mentawai surf guide →

If there's one name that makes surfers go quiet and start saving, it's the Mentawai. This remote archipelago of more than 70 islands sits off the west coast of Sumatra, fully exposed to raw Indian Ocean swell, and it has earned its reputation as one of the most concentrated, high-quality wave zones on Earth.

✈️Getting there

All routes run through Padang, the port city in West Sumatra. Fly into Padang's Minangkabau International Airport (PDG), usually via Jakarta, or via Kuala Lumpur or Singapore on regional carriers.

🛵Getting around

The Mentawai are about boats, not roads. Once you arrive, your daily transport to the waves is by boat — either the liveaboard itself or the resort's tenders and speedboats running surfers out to the breaks.

🌤️Climate & season

The Mentawai are equatorial, hot and humid year-round, with water warm enough for boardshorts or a thin top (roughly 27–29°C). There's no real winter — just wetter and drier patterns.