Hakau Ualanga 'Uta
Protected Area
Mounu Reef
Why dive here
With 354+ marine species recorded in the area - including barracuda, giant moray eels, humpback whales, sperm whales and lionfish - Hakau Ualanga 'Uta offers some of Tongatapu's richest diving. Water ranges 23-29°C, warmest January, February, March.
Hakau Ualanga ‘Uta is one of those spots that just sticks with you. We love diving here, mostly for the sheer density of the smaller stuff. You’ll be finning along, and suddenly you’re in a cloud of blue and gold fusiliers so thick it’s hard to see through them. They just swirl around you. We’ve spent whole safety stops just watching the pink anemonefish darting through their homes, their colours popping against the deeper blues. It’s not a drift dive. Think more slow exploration. We usually find ourselves getting really close to the reef, spotting dwarf atomgobies on the sand or the brilliant red hawkfish perched on corals, completely unbothered by us. Keep an eye out for the blunt-head parrotfish, too; their grazing leaves distinct marks. If you’re into macro and just soaking in the reef's everyday rhythm, this place is our favourite. It's calming, a place to really slow down and appreciate the details.
Reviews for Hakau Ualanga 'Uta
Conditions
Ocean conditions, forecast and tides for Hakau Ualanga 'Uta
Hakau Ualanga 'Uta Ocean Conditions
Monthly averages for Hakau Ualanga 'Uta, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (-21.13, -175.19) (1km away)
October Averages
Sea Temperature
24°C
76°F · Range: 23.1–26.4°C
Air Temperature
23°C
74°F
Wind Speed
8.27 m/s
16.1 knots
Atmospheric Pressure
1015.7 hPa
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data
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