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Tumon Bay
Guam
sea
3 Dive Sites
0 Dive Centers
Nestled on Guam's northern coast, Tumon Bay is a protected marine sanctuary boasting calm, clear waters perfect for novice divers and snorkelers. Its natural lagoon, formed by a protective reef, teems with vibrant marine life, from colorful reef fish to swaying anemones, offering an accessible underwater paradise.
Best Time to Dive
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 29°C | 29°C | 29°C | 30°C | 30°C | 30°C | 30°C | 30°C | 30°C | 29°C | 29°C | 29°C |
Peak Season
March, April, January, February, May, October, November, December
Jan
Clear waters, ideal for exploring the coral reefs and abundant fish life.
Feb
Excellent visibility, great for photography and spotting smaller reef creatures.
Mar
Peak visibility, calm seas, vibrant coral gardens.
Apr
Warmest water, exceptional visibility, abundant pelagic activity.
More monthly highlights
May
Still great visibility, potential for plankton blooms attracting smaller fish.
Jun
Start of the rainy season, visibility can decrease due to runoff.
Jul
Rainy season, expect intermittent showers and potentially murky conditions.
Aug
Peak of the rainy season, visibility is often reduced.
Sep
Rainy season ending, visibility begins to improve.
Oct
Post-rainy season clarity, excellent conditions for reef exploration.
Nov
Manta ray season begins, potential sightings in the bay.
Dec
Manta ray season continues, good chance of encounters.
Photo Gallery
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Gun Beach
Gun Beach in Tumon Bay is famed for its impressive underwater pinnacle, often referred to as 'The Sh...
30m
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Gab Gab Beach
Gab Gab Beach in Tumon Bay is a fantastic spot for beginner divers and training, offering calm, prot...
20m
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Hap's Reef
Hap's Reef, a tribute to diving legend Hap Halloran, is renowned for its dazzling anemone gardens, h...
25m
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Unconfirmed Dive Centers Nearby
These dive centers are located within 20km of Tumon Bay but haven't been confirmed yet.
Shotguns Scuba Diving
Pioneering the realm of non-licensed introductory dives in Guam, this dive center boasts over two de...
0.9km away
NINJA DIVE Guam
Nestled in the tropical paradise of Guam, this dive center offers an intimate and personalized appro...
2.7km away
Guam Dream Dive
Discover the magic of Guam's underwater realm with a dive operation that caters to a diverse range o...
3.2km away
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