Scuba Diving at Samaesan

Diving atSamaesan (Thailand)

Samaesan, located in Thailand, serves as a prominent dive destination near Pattaya, offering accessible underwater experiences. Often referred to as Ko Chuang in some contexts, this site is recognized for its suitability for both scuba and freediving activities. Its strategic position provides clear conditions, making it a visible point of interest for divers exploring the Gulf of Thailand.

As evening covers Samaesan, the local air temperature is measured at 29.5°C. The current wave height at the surface is recorded at 0.3 m. These late-day readings characterize the surface conditions for the night.

Dive Site Location & Key Facts

Everything you need to know about this dive site.

Max Depth--
Entry Type--
Water Typesalt
Dive Types
Reef

Dive Site Overview

Samaesan presents a highly versatile underwater environment, consistently attracting divers of all skill levels, from beginners undergoing their initial certifications to experienced freedivers refining their advanced techniques. The area features a collection of distinct sub-sites, each offering unique experiences tailored for both recreational scuba exploration and demanding breath-hold training.

Many of these locations reach a comfortable maximum recreational depth of 30 m (100 ft), providing ample time for exploring coral structures and observing marine life within standard no-decompression limits. Beyond these depths, deeper sections are readily accessible, frequently utilized by freedivers aiming to extend their bottom times or push their personal bests. Across the sites, divers will discover a vibrant reef ecosystem, defined by extensive natural reef formations that support a diverse array of marine species.

Patches of sandy bottom are often found adjacent to these reefs, creating transitional zones where different fauna gather. While overall conditions are generally conducive to diving, visibility frequently fluctuates with seasonal changes, particularly influenced by rainfall patterns.

Careful planning, especially considering the varied sub-sites, ensures divers can select conditions best suited for their specific interests and experience.

Samaesan

Conditions are Good

7/10
Confidence: 8/10
Indicates meteorological model agreement and data availability.

Best Dive Window

Optimal conditions expected

06:12
18:45
H: 10:45
L: 16:20
Air / Sea Temp
29° / 31°
Wave Height
0.7 m
Wind Speed
32 km/h SW
Rain Chance
50%

Current conditions near Samaesan show 29° air, 31° sea temperature, 0.7 m waves, and 32 km/h wind. Forecast data is refreshed regularly to ensure accuracy.

Radius: ~12km
Updated: Jun 13, 2026, 13:44 local time
MARINE: OPEN-METEOWEATHER: YR.NO

Best Time to Dive

Optimal diving conditions at Samaesan typically emerge during the months with 'Excellent' dive scores, particularly from October through February. During this period, the region experiences air temperatures averaging between 26.5-27.5°C (80-82°F) and notably minimal rainfall, often below 2 mm. These conditions contribute to enhanced underwater visibility and calmer sea states, with average wave heights ranging from 0.3 to 0.5 meters. The 'Good' scoring months, stretching from March to May and then again from August to December, also present viable diving opportunities, though with slightly increased chances of rain or higher waves. July often presents more moderate conditions, with higher average rainfall and wave heights, which can affect overall dive enjoyment. Specific water temperature data for Samaesan is not consistently reported, but tropical waters in this region generally offer comfortable diving temperatures.

PEAK SEASON SCORE

89/100
Very Good

Scores combine air & water temps, waves, wind & rainfall for overall conditions.


BEST MONTHS TO DIVE

JAN
FEB
OCT
DIVE SCORE
(0–100)
90
JAN
89
FEB
86
MAR
86
APR
82
MAY
72
JUN
70
JUL
78
AUG
73
SEP
89
OCT
86
NOV
87
DEC
AIR TEMP (°C)
27
27
28
29
30
29
28
29
28
28
28
27
WAVES (M)
0.4
0.5
0.6
0.5
0.5
0.8
0.9
0.7
0.8
0.3
0.5
0.5
WIND (KM/H)
22
21
22
23
23
30
30
28
27
20
24
25
RAIN (MM)
0.3
1.2
1.4
1.8
6.5
6.1
7.2
3.6
8.8
5.7
2.0
0.5
DIVE SCORE GUIDE (0–100)
Excellent (90–100)
Very Good (80–89)
Good (70–79)
Moderate (50–69)
Poor (30–49)
Not Recommended (0–29)

Monthly records compiled from satellite and marine observation nodes over the last 3 years. Data provided by Open-Meteo and MET Norway.

Dive Experience & Conditions

The depth profile at Samaesan varies, offering extensive areas suitable for recreational diving, often reaching around 30 m (100 ft). Deeper sections are also present, which are frequently utilized for freediving courses and training, allowing for extended bottom times for those certified. Divers navigating the reef can expect generally moderate currents, though conditions vary with tides and specific locations within the site. Visibility is often good, particularly outside of the rainy season, allowing for clear views of the diverse marine life and coral structures. Water conditions remain typically warm, supporting prolonged dives without excessive thermal protection. Exploring different depths reveals distinct micro-habitats and associated fauna.

Dive Difficulty & Safety Guidelines

Ensuring a safe dive at Samaesan involves adhering to standard safe diving practices and staying updated on local conditions. While the database does not list specific site hazards, divers should always be aware of potential currents that can vary by location and tidal state. Planning dives with a knowledgeable local professional is strongly recommended, as they can provide the most current information regarding visibility, currents, and specific site characteristics. Divers, especially those engaging in freediving, must remain within their certification limits and buddy up effectively. Remember, personal responsibility for safety and adherence to established protocols are paramount for an enjoyable and secure underwater experience.

Recommended Equipment

  • Dive Computer

This gear list is based on verified equipment signals for Samaesan, Thailand. Always confirm final gear choices with your dive operator, guide, or liveaboard.

Recommended Dive Suit

Divers visiting Samaesan today can expect water conditions around 31°C (87°F). Surface air temperatures are resting at 29°C (85°F).

Many divers choose dive skin or rash guard when diving in similar conditions.

Short-term weather patterns suggest stable conditions for divers visiting the area.

Samaesan conditions last reviewed: 13:44 local time (UTC+7), Jun 13, 2026

Emergency & Medical Support

Essential information to help you plan your dive trip to Samaesan.

Hyperbaric Chamber

Hyperbaric chambers are a critical part of dive safety infrastructure. Availability varies significantly by region, and not all dive areas have immediate access.

Before diving, it's recommended to:

  • confirm nearest medical facilities
  • check emergency procedures with local dive operators
  • ensure dive insurance covers evacuation if required
24/7 Available

Divers Alert Network

Diving emergency assistance available through DAN World.

+1-919-684-9111
  • 24/7 emergency hotline
  • Diving medical assistance
  • Evacuation coordination
View official DAN emergency contacts

Emergency contacts are provided for reference. Always verify local emergency services before diving.

Marine Life at Samaesan

Encounters with diverse marine life are a key part of the Samaesan dive experience. Common sightings reported for the area include various sharks, although specific species depend on the particular site and time of year. Occasional larger pelagics like whales and dolphins have been noted, though such sightings are less predictable. Green sea turtles are also frequently observed, gracefully navigating the reef structures. The vibrant coral formations themselves provide a rich tapestry for smaller reef fish and invertebrates, adding texture and color to every dive.

Member Diving
48.1 km away

Member Diving

4.9| 796 reviews
Today: 09:00 - 21:00
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Tue09:00 - 21:00
Wed09:00 - 21:00
Thu09:00 - 21:00
Fri09:00 - 21:00
Sat09:00 - 21:00
Dive Station Pattaya

Dive Station Pattaya

4.9| 384 reviews
48.1 km

Nearest Airports

Nearest airports to help plan travel to this dive area.

U-Tapao–Rayong–Pattaya International AirportUTP
18 km
Hua Hin AirportHHQ
110 km
Suvarnabhumi AirportBKK
130 km
💵Currency:THB

Search Flights

Check available flights and routes on Expedia, using the nearby airports listed in this section.

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Frequently Asked Questions

Is Samaesan suitable for beginner divers?

Yes, Samaesan offers multiple sites with appropriate depths and conditions for beginner divers. Many local dive centers conduct entry-level courses and introductory fun dives here, utilizing shallower, protected areas.

What is the typical visibility at Samaesan?

Visibility at Samaesan varies seasonally, generally improving during the dry season from October to February. During these months, divers can expect clear conditions, while the rainy season might lead to reduced visibility.

Are there strong currents at Samaesan?

Currents at Samaesan are typically moderate, but they can fluctuate depending on tides and specific dive sites. Consulting with local dive operators for real-time conditions is always advisable.

Can freedivers train at Samaesan?

Absolutely. Samaesan is noted for offering good depths that are suitable for freediving courses, training, and recreational freedives. The varied depth profiles accommodate different skill levels.

What kind of marine life might I see?

Divers commonly report seeing various sharks, turtles, and a wide array of reef fish. While less frequent, encounters with larger marine mammals like whales and dolphins have also been noted in the area.

What are the water temperatures like?

Water temperatures in this tropical region are generally warm and comfortable throughout the year. Specific data for Samaesan isn't consistently available, but divers typically find it pleasant without heavy exposure suits.

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