Reef
down to 11 m
Piti Bomb Holes (Fish Eye)
- Open Water
- Blacktip reef sharks
Guam
12 documented dive sites, 5 of them for Open Water divers. Known for blacktip reef sharks, nurse sharks and reef sharks.
- Best months
- Apr–Aug
- Water
- 28–30 °C
- Levels
- Open Water, Advanced, Experienced
- Nearest airport
- GUM
- One dive
- €78–81
When to go
Pick a month: the diving season, from published sources, and the typical weather.
Pick a month
- Best
- Good
- Possible
- Closed
- Not documented yet
Guam in November
Good season- Sea
- 29 °C
- at the surface
- Air
- 30 °C
- 26 °C at night
- Rain
- 160 mm
- average for the year
- Wind
- 17 km/h
- on average
Exposure suit: swimsuit, rash guard or dive skin · if you feel the cold: 2 mm shorty or 1 mm full suit. How we choose
Typical weather, not a forecast: averages for 2021–2025 (air, rain, wind) and 2023–2025 (sea), data from Open-Meteo (ERA5 / Copernicus, Météo-France). Covers an area of roughly 10 to 25 km around the destination.
Diving is year-round; best Apr–Aug, usually the calmest months (Scuba Diving). The dry season runs Dec–Jun (DAN); there is potential for typhoons from July to mid-November.
Dive sites in Guam
From the easiest to the most demanding. Levels with a dashed outline are estimates we are still verifying.
Open Water friendly
usual dive down to 18 m5 sitesReef
down to 14 m
Coral Gardens
- Open Water
Reef
down to 37 m
Gab Gab Beach
- Open Water
- Turtles
Reef
down to 18 m
Hap's Reef
- Open Water
For Advanced divers
usual dive down to 30 m4 sitesFor experienced divers
usual dive down to 40 m3 sitesMarine life
When the big encounters happen, month by month.
Reported here, season not documented yet:
- Blacktip reef sharks
- Nurse sharks
- Reef sharks
- Turtles
- Eagle rays
- Tuna
- Barracuda
- Trevally
- Octopus
- Clownfish
- Flashlight fish
- Lionfish
- Moray eels
- Whale sharks
- Manta rays
- Pilot whale
- Dolphins
- Sailfish
- Napoleon wrasse
What diving costs here
Here a dive costs between €78 and €81, a try dive €72 and an Open Water course between €303 and €448, depending on the dive centres we checked.
- One dive (certified diver)packages counted per dive
- €78–811 centre
- Try dive
- €721 centre
- Open Water course
- €303–4482 centres
- Gear rentalper day or per dive, by centre
- €271 centre
The cheapest and the most expensive of the dive centres we checked, from the prices on their own websites in October 2026. Prices change: confirm with the centre before booking.
Converted to euros at the ECB reference rate of 30 October 2026; for currencies the ECB does not publish, the official rate of the country's central bank.
Where is Guam?
- Nearest airport
- GUM
Guam: frequently asked questions
- When is the best time to dive Guam?
- The best months to dive Guam are Apr–Aug. Diving is year-round; best Apr–Aug, usually the calmest months (Scuba Diving). The dry season runs Dec–Jun (DAN); there is potential for typhoons from July to mid-November.
- Is Guam good for beginner divers?
- Yes, partly: 5 of the 12 dive sites we document are suited to Open Water divers, including Piti Bomb Holes (Fish Eye), Western Shoals and Coral Gardens. The others need more experience or a higher certification.
- What is the water temperature in Guam?
- The water is usually between 28 °C and 30 °C over the year.
- What marine life can you see in Guam?
- Divers regularly see blacktip reef sharks, nurse sharks, reef sharks, turtles, eagle rays and tuna.
- How do you dive Guam?
- The nearest airport is GUM.
About this page
Seasons and marine life come from the sources below. Site levels and depths marked as estimated come from our original catalogue and are being checked one by one. Conditions change: always confirm with a local dive centre.
Your next dive is somewhere out there.
Find my next dive tripPhoto credits
- Sunlight and bubbles in deep blue water, Sarah Lee, Unsplash License, on Unsplash