Lighthouse Reef, Belize
    Halfmoon Caye

    Half Moon Wall

    Best months: Oct–Jan

    Protected Area

    Halfmoon Caye

    Why dive here

    With 213+ marine species recorded in the area - including barracuda, dolphins, eagle rays, nurse sharks and sea turtles - Half Moon Wall offers some of Lighthouse Reef's richest wall diving. Water ranges 27-30°C, warmest August, September, October.

    Best timeOct–Jan
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBarracuda, Dolphins, Eagle Rays, Nurse Sharks and Sea Turtles · 213+ species recorded
    Water27-30°C · warmest August, September, October
    CharacterWall dive
    StandoutExceptional marine biodiversity

    Half Moon Wall, over in Lighthouse Reef, is one of our absolute favourites. It’s got that classic Belizean wall vibe, but with a few twists that just make it sing. We usually drop in where the reef crest is just a few metres down, then drift along as the wall opens up beneath us, often to depths we don't bother tracking – it just keeps going. The corals here are fantastic, especially the big colonies of blushing star coral and massive starlets that really catch the light. Look closely and you’ll find plenty of barberfish zipping around, and we’ve often spotted blackcheek and dusky blennies popping their heads out of tiny crevices. Keep an eye out for trumpetfish mimicking the gorgonians, and if you’re lucky, a well-camouflaged spitlure frogfish. The current can be decent here, usually a gentle push that makes for an easy drift. We prefer it in the mornings before the sun gets too high, the light filtering down the wall is just magic then. It’s a site that rewards slow exploration, peering into every nook and cranny.

    Today05:4317:3311h 50m daylightGolden hour 17:04

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    Conditions

    Ocean conditions, forecast and tides for Half Moon Wall

    Half Moon Wall Ocean Conditions

    Monthly averages for Half Moon Wall, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (17.22, -87.61) (6km away)

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    October Averages

    Sea Temperature

    30°C

    86°F · Range: 29.1–31.7°C

    Current Speed

    11.66 cm/s

    Direction: NW (301°)

    Chlorophyll-a

    0.074 mg/m³

    Very clear (oligotrophic)

    Salinity

    35.96 PSU

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)

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