
Diving atPhat Wall (Vietnam)
Visibility at Phat Wall, nestled within Vietnam's Van Phong Bay, frequently delivers 10 to 15 m (33 to 49 ft), allowing for clear views of its underwater topography. This site, distinguished by both wall and ocean diving opportunities, invites divers to explore a varied marine landscape. Its often clear conditions make it an accessible spot for observing the local reef and rock structures. Expect consistent opportunities for good sightlines here, making observations straightforward.
As evening covers Phat Wall, the local air temperature is measured at 28.5°C. The current wave height at the surface is recorded at 0.2 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.
Dive Site Overview
Phat Wall, a notable dive site within Vietnam's Van Phong Bay, presents a diverse underwater topography marked by its distinctive rock and extensive reef formations. Significant wall sections and natural channels characterize the site, offering varied exploration opportunities for divers.
Its name, derived from a local figure, underscores regional significance and less commercialized appeal. Reaching a maximum recreational depth of 18 m (59 ft), this location accommodates a wide range of diver certifications. Shallower areas allow Open Water divers and snorkelers to enjoy vibrant reef ecosystems and tropical fish.
More experienced divers can explore the deeper contours of the wall itself. Natural channels cut through rock, creating interesting swim-throughs and sheltered nooks where marine life congregates.
Patches of sandy bottom are interspersed with the rocky terrain and reef, providing habitat diversity. Expect a tranquil diving experience; the site generally avoids strong, unpredictable currents.
Throughout these structures, a variety of tropical fish are commonly encountered. Keep an eye out for ribbon eels, often observed darting from their hiding spots, and numerous species of nudibranchs gracefully navigating reef surfaces. Varied architecture supports this rich biodiversity, from the smallest invertebrates to larger reef dwellers.
Phat Wall
Conditions are Good
Best Dive Window
Optimal conditions expected
Current conditions near Phat Wall show 29° air, 29° sea temperature, 0.4 m waves, and 27 km/h wind. Forecast data is refreshed regularly to ensure accuracy.
Best Time to Dive
Understanding the seasonal patterns is key to planning a trip to Phat Wall, with optimal conditions typically spanning from April to September. During this period, the weather is warm, and the sea generally remains calm, translating to excellent dive scores. For instance, April through September frequently sees average air temperatures ranging from 28°C (82°F) to 30°C (86°F), with minimal rain, often below 3.5 mm (0.14 inches). In contrast, months like November and December experience higher rainfall, up to 10.9 mm (0.43 inches), and slightly cooler average air temperatures around 24.5-25.5°C (76-78°F), along with moderate dive scores. Early spring, from February to March, also offers good dive conditions, with comfortable air temperatures between 24.5-25.5°C (76-78°F) and low rainfall.
PEAK SEASON SCORE
Scores combine air & water temps, waves, wind & rainfall for overall conditions.
BEST MONTHS TO DIVE
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
Current dynamics at Phat Wall range from minimal to moderate, depending on specific tidal conditions and broader weather patterns. While some areas may present noticeable water movement, many sections of the site remain relatively calm, suitable for a broad range of divers. Water visibility typically ranges from 10 to 15 m (33 to 49 ft), though this can vary with seasonal and weather influences. The dive site consists of saltwater, and its maximum depth reaches 18 m (59 ft). This depth range makes it accessible for Open Water divers while still offering interesting deeper sections along the wall for exploration.
Dive Difficulty & Safety Guidelines
Approaching Phat Wall with a focus on established dive protocols ensures a safe and enjoyable experience for all participants. Always consult with local dive professionals regarding current conditions, as factors like variable currents and visibility shifts can influence dive planning. While suitable for all experience levels, maintaining good buoyancy control is crucial, especially when navigating closer to the wall and reef structures. Divers should always adhere to standard safety practices, including monitoring no-decompression limits and ascent rates. Furthermore, remember the essential guideline: avoid flying for at least 18 hours after your last dive to prevent decompression sickness.
Recommended Equipment
- Dive Computer
- DSMB
This gear list is based on verified equipment signals for Phat Wall, Vietnam. Always confirm final gear choices with your dive operator, guide, or liveaboard.
Recommended Dive Suit
For dives of average duration, dive skin or rash guard usually provides sufficient protection from heat loss.
Divers entering the water at Phat Wall today can expect temperatures near 29°C (85°F) beneath the surface. Surface air temperatures are resting at 29°C (83°F).
Conditions are expected to stay fairly consistent in the days ahead.
Due to technical issues with our weather providers, data hasn't been fetched for over 48 hours. The data above reflects the conditions at the time of the last successful fetch.
Emergency & Medical Support
Essential information to help you plan your dive trip to Phat Wall.

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
Divers Alert Network
Diving emergency assistance available through DAN World.
+1-919-684-9111- 24/7 emergency hotline
- Diving medical assistance
- Evacuation coordination
Emergency contacts are provided for reference. Always verify local emergency services before diving.
Marine Life at Phat Wall
Distinct ecosystems around Phat Wall create conditions for diverse sightings, particularly among its rock and reef bottom. Divers frequently encounter a variety of tropical fish populating the coral formations. Noteworthy residents include elegant ribbon eels, often seen peeking from their crevices. A rewarding location for macro enthusiasts, it hosts numerous species of nudibranchs observed moving across the reef, displaying a vibrant array of colors and patterns. Exploring wall sections can reveal hidden smaller species adapting to this specific habitat.
Dive Sites Near Phat Wall
View all dive sites in VietnamDiscover more underwater gems in this area.
Dive Centers Near Phat Wall
Working Hours
Today: Open 24 hours
Nha Trang Sea Star Diving Center
Diving Center Victordivepro
Nha Trang Diving Club
Deep People Freediving School, Snorkeling, Mermaid Courses
Vietnam Underneath
Go Dive Vietnam
Diving Vietnam
Nearest Airports
Nearest airports to help plan travel to this dive area.
Search Flights
Check available flights and routes on Expedia, using the nearby airports listed in this section.
Search Flights on ExpediaFrequently Asked Questions
What is the typical visibility at Phat Wall?
Visibility at Phat Wall frequently ranges from 10 to 15 m (33 to 49 ft). This can vary based on seasonal weather patterns and recent rainfall. Divers generally find conditions suitable for clear underwater observations.
What marine life can I expect to see?
Divers frequently encounter a variety of tropical fish, ribbon eels, and numerous species of nudibranchs. The diverse reef and rock formations provide a habitat for a wide array of smaller marine creatures.
Is Phat Wall suitable for beginner divers?
Yes, Phat Wall accommodates all experience levels, including beginners. Its maximum recreational depth is 18 m (59 ft), making it suitable for Open Water certified divers. Shallower sections are also excellent for snorkelers.
When is the best time to dive Phat Wall?
The optimal time to dive Phat Wall is typically from April to September. During these months, the weather is warm, and sea conditions are generally calm, leading to better visibility and overall dive experiences.
What are the typical water temperatures at Phat Wall?
Specific water temperature ranges for Phat Wall are not consistently reported in available data. However, as part of Van Phong Bay, temperatures are generally consistent with tropical coastal waters, but can vary with season. Always check local reports before your dive.
What are the current conditions like?
Current dynamics at Phat Wall vary from minimal to moderate. While some areas might experience noticeable water movement, many sections of the site offer relatively calm conditions suitable for most divers. Always consult local dive operators for the most up-to-date current forecasts.
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Phat Wall
Conditions are Good
Best Dive Window
Optimal conditions expected
Current conditions near Phat Wall show 29° air, 29° sea temperature, 0.4 m waves, and 27 km/h wind. Forecast data is refreshed regularly to ensure accuracy.












