Gab Gab Beach (Guam)

Gab Gab Beach is a left-hand reef surf spot inside Naval Base Guam (Apra Harbor). Conditions are driven by swell wrapping onto a shallow, sharp reef: the wave can feel deceptively small at first, but it jacks up as the swell lines up and the reef holds shape. The spot is described as fast and fun, with peeling wave form and generally good wave quality when the swell is in the proper window. Working conditions are typically associated with North-West to West swell, and the best season is generally December through April. Reporting also emphasizes that the wave needs swell to work—there isn’t a reliable “no-swell” wave. Tide matters: low and mid tide are commonly best, while low tide can also be too shallow depending on the specific swell and the state of the reef. Access is the biggest practical constraint. It’s a private military beach, not open to the general public, and visitors need valid military credentials/authorization (or sponsorship) plus a long approach on foot and a vehicle suitable for reaching the launch area (4x4 mentioned). Because of the restricted setting, the beach is often described as quiet/uncrowded. Safety is critical here: the bottom is reef with sharp coral/rocks and sea urchins, and sources specifically call out fire coral. Reef boots/protective gear are strongly recommended, and you should be careful with where you step and how you time entries/exits, especially when the wave becomes heavy and shallow on larger swell.