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Jaak (Chak) Bay

3.6 — based on 21 community signals
4.2 12 species 23 contributors

Jaak Bay is a year-round Thailand dive destination with 12 recorded species observations and accessible conditions for exploring local marine life.

⭐ Best for beginners.

updated 4 months ago
Difficulty
Beginner
Shore entryBleachingRiskPhotoFriendly

At a glance

Activity
dive
Difficulty
beginner
Best months
Year-round

Map

This spot POIs Airport Nearby spots
Jaak (Chak) Bay location map © Google · Map data © Google, contributors
Open in Google Maps

Conditions today

Conditions

Open-Meteo
Wind
17.1 kn
Wave
1.68 m
Water
28.8°C
N E S W
Wind direction (7d)
Primary: SW (28%)
Now: WSW (239°)
Tide (7 days)
range: 2.22m

Next: High at 02:00 (+1.01m)

+1.6 m0 m-0.6 m
▲ 02:00 · +1.01m ▼ 08:00 · +0.19m ▲ 14:00 · +0.7m ▼ 19:00 · +0.23m
Sat 19Sun 20Mon 21Tue 22Wed 23Thu 24Fri 25
UV6.25 · high Air PM2.55 · good 06:17 18:26
Day Wind Wave UV Rain
09-19 20.8 1.96 6 38mm
09-20 18.7 1.84 8 21mm
09-21 8.9 1.28 8 9mm
09-22 8.6 1 6 12mm
09-23 8.1 0.86 2 15mm
09-24 7.1 0.86 1 5mm
09-25 7.6 0.78 2 0mm
⚠ Coral bleaching: Warning — heat stress
DHW: 3.9°C-weeks · NOAA Coral Reef Watch

About this spot

Jaak Bay, also called Chak Bay, sits on Thailand's coast as an accessible diving spot open year-round. The bay attracts divers seeking encounters with recorded marine species in its waters. Local conditions support diving throughout the year, making it a flexible choice for travel planning. The area hosts documented species observations useful for marine life spotters and naturalists. Community videos from the site give insight into what to expect underwater. While specific depth and visibility data aren't widely published, the bay remains popular among divers exploring Thailand's lesser-known coastal regions. Coral health in the area shows warning signs, reflecting broader regional stress. This makes responsible diving practices important—stay neutral buoyancy, avoid touching substrate, and respect marine life. Jaak Bay sits outside marine protection areas, but conservation-minded diving helps preserve what remains.

📖 Guide: Diving in Thailand: 73 Sites from Whale Sharks to Shallow Reefs

Best months

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Dive types

ReefShore

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 A/B/C · 220V adapter
  • 💊 Seasickness meds + ear drops
  • 📱 Offline maps + emergency contact

Quick facts

  • 🌓 Moon First quarter · 47%
  • GPS
Sustainability disclosures
🌍 CO2 footprint LHR ↔ 9757km · ~2244kg · €40

From your departure country

United States
Origin score: 54/100
  • Visa: Visa on arrival · 30 days max
  • Flight: 11h · direct
  • Jet-lag: 12h east · 8 days recovery

FAQ

When is the best time to dive Jaak Bay?

Jaak Bay is diveable year-round, so timing depends on your schedule rather than seasonal closures. Check local weather patterns before booking to confirm sea conditions.

What marine life can you see here?

Twelve species have been recorded at Jaak Bay. Community videos and local dive logs provide the best detail on what species are actively seen. Check current reports from recent divers.

Is Jaak Bay protected or restricted?

Jaak Bay lies outside marine protected areas, so standard Thailand diving permits and regulations apply. Always dive with respect for coral and marine life given the region's coral bleaching warnings.

What should I know before diving here?

Coral in the region shows warning-level bleaching stress. Practice neutral buoyancy, avoid contact with coral, and follow Leave No Trace principles. Watch community videos for recent dive reports and conditions.

Recently spotted by divers

iNaturalist →

Verified marine species observations

65 records · 50 species · sources: OBIS, GBIF

Gastropoda

Gastropoda
OBIS
Last seen:
24 Mar 1963
×3records
Depth:
0–50 m

Decapoda

Malacostraca
OBIS
Last seen:
24 Mar 1963
×3records
Depth:
0–50 m

Hydrozoa

Hydrozoa
OBIS
Last seen:
24 Mar 1963
×2records
Depth:
0–73 m

Palinuridae

Malacostraca · Palinuridae
OBIS
Last seen:
24 Mar 1963
×2records
Depth:
0–50 m

Thecosomata

Gastropoda
OBIS
Last seen:
24 Mar 1963
×2records
Depth:
0–50 m

Cephalopoda

Cephalopoda
OBIS
Last seen:
24 Mar 1963
×2records
Depth:
0–50 m

Stomatopoda

Malacostraca
OBIS
Last seen:
24 Mar 1963
×2records
Depth:
0–50 m

Brachyura

Malacostraca
OBIS
Last seen:
24 Mar 1963
×2records
Depth:
0–50 m

Polychaeta

Polychaeta
OBIS
Last seen:
24 Mar 1963
×2records
Depth:
0–50 m

Colobometridae

Crinoidea · Colobometridae
OBIS
Last seen:
24 Mar 1963
×2records
Depth:
70 m

Tomopteridae

Polychaeta · Tomopteridae
OBIS
Last seen:
24 Mar 1963
×2records
Depth:
0–50 m

Pterotracheoidea

Gastropoda
OBIS
Last seen:
24 Mar 1963
×2records
Depth:
0–50 m

Data: 187,991 observations from OBIS (Ocean Biodiversity Information System) and GBIF (Global Biodiversity Information Facility). CC-BY 4.0.

See this spot in action

YouTube videos — click to play.

Where NOT TO STAY on Koh Tao? | Best places TO STAY on Koh Tao | Thailand

Part Time Travelling Family - Eleise and Lawrence
💬 3 top comments
  • Thank you for watching... If you're visiting Koh Samui... our KOH SAMUI - Travel Guide is a must!!! KOH SAMUI TRAVEL GUIDE AVAILABLE NOW - ONLY £3.99 ➡ parttimetravellingfamily.co.uk/merch

    @parttimetravellingfamily · 👍 3
  • Excellent! Thanks for share this stories of your life, we are going to travel to Ko Tao next month, now we are just two. But in a few years we want to be a family as you. Travelling with our son or daughter as much as we can. I'm your new fan from Argentina.

    @Bachubenza · 👍 0
  • thank you guys, really useful video and you seem such cool people! enjoy your travels

    @martaniedzwiecka4892 · 👍 0

Phi Phi, Thailand – Worth It? Maya Bay, Beaches, Prices! 🌴

Blondie On The Way
💬 3 top comments
  • Świetny filmik, dobrze się ogląda, mega ujęcia.

    @damonsalvatore7312 · 👍 2
  • Swietny filmik , napewno skarzystam z early bird trim 😊

    @cezarydzieniszewski9686 · 👍 1
  • 👍

    @iwonachlechowicz6387 · 👍 1

The BEST ISLANDS In Thailand 2026 🇹🇭 (Travel Guide)

Paddy Doyle
💬 3 top comments
  • Koh Samui is my favorite Island for sure in Thailand, What I love about Samui are the cool ocean waters unlike the very warm coastal mainland waters of Thailand. How safe is Thailand? I went to Koh Phangan for a visit, rented a motorbike. I was out all day. Then stopped to eat. I was horrified, my wallet was gone. No money, No credit cards. Lost on the highway somewhere. Went straight to the pol

    @ThailandThomas · 👍 521
  • I'm Thai. All Thai people welcome tourists of all nationalities and religions, no matter who you are, where you come from, if you come to travel with quality, respect Thai people, respect Thailand. Thai people will help each other to maintain the good trust of tourists. Help each other to provide good service to tourists in a friendly manner. Smile, cheerful, peaceful, safe, clean, equal for all c

    @ceo-thailand9307 · 👍 68
  • if you put a nice small side map would b great to guide our sense of direction and place

    @primzilledingyv9299 · 👍 138
wind peaks Jul-Dec-Jun, calmest Mar-Oct-Apr, dry Jan-Dec.

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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