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Close-up of a colorful nudibranch on coral, showcasing detailed textures and hues.
📷 ocean video mauritius · Pexels

Nudi Rock

3.6 — based on 19 community signals
4.1 12 species 16 contributors

Nudi Rock is a year-round dive site near Bo Yef Kaculu Island in Raja Ampat, Indonesia, known for nudibranchs and healthy coral.

⭐ Best for intermediate divers.

updated 4 months ago
Difficulty
Intermediate
MacroFocusPhotoFriendlyBleachingRiskBoatOnly

At a glance

Activity
dive
Difficulty
intermediate

Map

This spot POIs Airport Nearby spots
Nudi Rock location map © Google · Map data © Google, contributors
Open in Google Maps

Conditions today

Conditions

Open-Meteo
Wind
16.3 kn
Wave
0.96 m
Water
27.3°C
N E S W
Wind direction (7d)
Primary: SSE (78%)
Now: SSE (148°)
Tide (7 days)
range: 1.07m

Next: High at 06:00 (+0.89m)

+0.9 m0 m-0.2 m
▲ 06:00 · +0.89m ▼ 13:00 · -0.18m ▲ 20:00 · +0.63m ▼ 00:00 · +0.45m
Sat 19Sun 20Mon 21Tue 22Wed 23Thu 24Fri 25
UV8.65 · very high Air PM2.528 · moderate 06:08 18:14
Day Wind Wave UV Rain
09-19 16.6 1.16 9 0mm
09-20 16.8 1.04 9 0mm
09-21 17.7 1.08 9 0mm
09-22 16.4 1.1 9 0mm
09-23 15.3 0.98 9 0mm
09-24 15.1 0.88 9 0mm
09-25 14.2 0.84 9 0mm
⚠ Coral bleaching: Watch — favorable conditions
DHW: 0.3°C-weeks · NOAA Coral Reef Watch

About this spot

Nudi Rock sits in Raja Ampat's remote waters, one of the world's richest marine zones. The site gets its name from the abundance of nudibranchs—colorful sea slugs—that thrive on its rocky formations. Divers explore a structure loaded with macro life, making it ideal for photographers hunting small subjects. The site remains accessible throughout the year, though sea conditions vary seasonally. Raja Ampat's reputation for biodiversity is well-earned. Nudi Rock taps into that ecosystem, offering encounters with nudibranchs, small crustaceans, and reef fish. The rocky terrain creates crevices and overhangs where creatures hide and feed. Current patterns bring nutrients that support both coral and the animals that depend on it. Coral health at this site warrants attention. Like many Indo-Pacific reefs, Nudi Rock sits in a zone flagged for potential bleaching stress. Monitor local reports before booking. The site is not within a marine protected area, but local knowledge and responsible diving practices matter. Access typically requires a boat from nearby villages or resort bases in Raja Ampat proper.

📖 Guide: Diving in Indonesia: 323 Sites, Mantas to Micro-critters

Dive types

ReefBoat

Trip essentials

Everything you need before you pack — checklist, sun, logistics.

Trip checklist

  • 🛂 Visa-free or visa-on-arrival
  • 📜 C-card + dive insurance (DAN)
  • 📔 Dive logbook
  • 🧴 Reef-safe sunscreen SPF 50+
  • 🔌 Plug type C/F · 230V adapter
  • 💊 Seasickness meds + ear drops
  • 📱 Offline maps + emergency contact

Quick facts

  • 🌓 Moon First quarter · 47%
  • GPS
Sustainability disclosures
🌍 CO2 footprint LHR ↔ 12902km · ~2967kg · €53

From your departure country

United States
Origin score: 54/100
  • Visa: Visa on arrival · 30 days max
  • Flight: 12h · direct
  • Jet-lag: 12h east · 8 days recovery

FAQ

When is the best time to dive Nudi Rock?

Nudi Rock is accessible year-round. Conditions vary with seasons—calmer periods typically occur in late dry season (September–November) and early wet season (March–May). Check with local operators for current swell and current forecasts.

What's the depth and difficulty level?

Specific depth and difficulty ratings are not documented for this site. Contact local dive operators in Raja Ampat for details on bottom depth, current strength, and experience recommendations before your visit.

What marine life will I see?

Nudi Rock is named for its nudibranch population. You'll also encounter reef fish, small crustaceans, and coral. The rocky habitat supports macro life—creatures best seen with close attention and macro lenses.

How do I access Nudi Rock and do I need permits?

Access is by boat from Raja Ampat. No marine protected area permit is required at this site. Arrange dives through local operators based in the region. Standard Indonesian travel documents apply.

Recently spotted by divers

iNaturalist →

See this spot in action

YouTube videos — click to play.

Nudi Rock Raja Ampat. Raja Ampat Dive Site.

Reef Nomad
💬 3 top comments
  • It was a honour to dive together. Keep posting :)

    @ALPHA4DIVERS · 👍 1
  • spectacular video keep them coming really beautiful footage makes me feel that im underwater .

    @marcuswall6872 · 👍 1
  • Another super video. Fab colours. Makes you feel like you are under the water!

    @nickholmes5872 · 👍 0

Dive Site Vlog - Nudi Rock, Raja Ampat / Indonesia

Oceanexplorersxm
💬 1 top comments
  • Great video.

    @FreedomWanderer · 👍 1

My Favourite Place on Earth | Indonesia’s Underwater Eden | Raja Ampat, Misool

SAM INDOWILD
💬 3 top comments
  • Hey Sam! What a stunning video—you really captured the magic of this expedition. I’m so glad we got to share this journey, and there’s so much more ahead… If anyone out there feels inspired to join one of our upcoming expeditions or plan a private cruise to the most remote corners of the Indonesian archipelago, you’ll find me online—don’t hesitate to reach out! And if you loved this film, help Sam

    @konjocruisingindonesia1053 · 👍 133
  • This is Nat Geo quality. Excellent. Thanks for posting this

    @philippserrin8268 · 👍 176
  • It is wonderful that Indonecia treasures and protects this natural paradise.

    @atanacioluna292 · 👍 67
wind peaks Aug-Jul-Sep, calmest Oct-Apr-Nov.

5-year monthly climate

60 samples
0 5 10 15 20 25 JFMAMJJASOND
p25–p75 range Median Wind (kn) Air (°C)

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