Half Moon Caye
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 Caye offers some of Lighthouse Reef's richest diving. Water ranges 27-30°C, warmest August, September, October.
Half Moon Caye Wall delivers a relaxed drift dive along a dramatic drop-off. You’ll typically see plenty of reef sharks cruising the blue, often alongside eagle rays and schooling jacks. The reef top itself is shallow, making for a pleasant safety stop among garden eels and a few resident green turtles. It's a solid choice for divers who appreciate consistent pelagic action without challenging conditions.
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Conditions
Ocean conditions, forecast and tides for Half Moon Caye
Half Moon Caye Ocean Conditions
Monthly averages for Half Moon Caye, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (17.22, -87.61) (6km away)
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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