Tonga - Weather

Aug 28, 2025

Tonga's climate is warm and humid, although less so than other tropical islands. December to March, which is also the hurricane season, has more rain. From April to November the SE trade winds predominate, although quick sudden squalls can occur from other directions.

Weather Forecasts

Radio Nuku’alofa: Dial 1017 kHz on the AM band. Weather forecasts follow the BBC news at 0700 and the Australia news at 0800.

Nuku'alofa VHF Channel 10: the weather forecast at 1030 and 1530 daily apart from Sunday.

Vava'u VHF Channel 26: This is the Cruiser’s Net Update at 8.30 am Monday-Saturday by a group of volunteers. Emergencies, check-ins, weather, tides, contacts, buy, sell trade, services offered or needed and local advertising.

All weather in one place for Vava’u Tonga
www.vavau.to/weather.html

Tonga Meteorological Services
www.met.gov.to/

A useful guide to South Pacific weather resources compiled by a Noonsite contributor, Rory Garland.

Tonga & Pacific Weatherstations: Help improve weather forecasting

MetBob publishes a weekly sailing weather blog for the South Pacific.

For links to free global weather information, forecast services and extreme weather information see the Noonsite Weather Page.

If you have information for this section, or feedback on businesses used, please let us know at editor@noonsite.com. We also welcome new information about businesses you have used (see Related Businesses).

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