Fiji Weather Forecast: Showers and Isolated Thunderstorms with Heavy Rain and Flash Flood Risk Across Islands

Weather Bulletin
Issued from the National Weather Forecasting Centre Nadi at 7:30pm on Sunday the 31st of August 2025

Situation: An east to southeast wind flow prevails over the group. A weak trough of low pressure affects the group from the northeast.

Forecast to midnight tomorrow for the Fiji group:
– Occasional showers and possible isolated thunderstorms over Vanua Levu, Taveuni and nearby smaller islands.
– Cloudy periods with some showers over Serua-Namosi, Navua-Suva-Nausori, Tailevu-Naitasiri-Ra-Rakiraki, Kadavu and nearby smaller islands, Yasawa, Lau and Lomaiviti groups. Occasional showers tomorrow.
– Isolated thunderstorms with heavy falls likely.
– Localised heavy falls may lead to flash flooding of low-lying and flood-prone areas.
– Elsewhere, fine apart from isolated brief afternoon showers.
– Moderate east to southeast winds. Moderate seas.

Outlook for Tuesday:
– Occasional showers in Serua-Namosi, Navua-Suva-Nausori, Tailevu-Naitasiri-Ra-Rakiraki, Kadavu and nearby smaller islands, Cakaudrove and Southern Bua provinces, Lau and Lomaiviti groups, Taveuni and nearby smaller islands. Isolated heavy falls possible.
– Elsewhere partly cloudy with afternoon or evening showers.
– Moderate to fresh east to southeast winds. Moderate to rough seas.

For Navua / Suva / Nausori:
– Today: Cloudy periods with some showers. Isolated thunderstorms with heavy falls possible.
– Tomorrow: Occasional showers. Isolated thunderstorms with heavy falls likely.
– Max: 28, Min: 22
– Outlook for Tuesday: Occasional showers and isolated thunderstorms. Min: 23, Max: 27.

For Nadi / Lautoka / Ba:
– Fine apart from isolated brief afternoon or evening showers.
– Tomorrow: Max: 31, Min: 22
– Outlook for Tuesday: Partly cloudy with afternoon or evening showers. Min: 20, Max: 32.

For Sigatoka / Coral Coast:
– Fine apart from isolated brief afternoon or evening showers.
– Tomorrow: Max: 30, Min: 22
– Outlook for Tuesday: Partly cloudy with afternoon or evening showers. Min: 21, Max: 30.

For Tavua / Rakiraki:
– Some showers over Rakiraki. Fine apart from isolated brief afternoon or evening showers elsewhere.
– Tomorrow: Max: 29, Min: 22
– Outlook for Tuesday: Occasional showers over Rakiraki. Partly cloudy with afternoon or evening showers elsewhere. Min: 21, Max: 29.

For Natadradave / Korovou:
– Today: Cloudy periods with some showers. Isolated thunderstorms with heavy falls possible.
– Tomorrow: Occasional showers. Isolated thunderstorms with heavy falls likely.
– Max: 28, Min: 22
– Outlook for Tuesday: Occasional showers and isolated thunderstorms. Min: 22, Max: 27.

For Yasawa / Mamanuca group:
– Some showers over Yasawa. Fine apart from isolated brief afternoon or evening showers elsewhere.
– Tomorrow: Max: 29, Min: 22
– Outlook for Tuesday: Partly cloudy with afternoon or evening showers. Min: 22, Max: 30.

For Labasa:
– Occasional showers.
– Tomorrow: Max: 31, Min: 20
– Outlook for Tuesday: Fine apart from possible afternoon or evening showers. Min: 21, Max: 31.

For Savusavu:
– Occasional showers. Isolated thunderstorms with heavy falls likely.
– Tomorrow: Max: 29, Min: 21
– Outlook for Tuesday: Occasional showers and isolated thunderstorms. Min: 22, Max: 29.

For Nabouwalu:
– Occasional showers. Isolated thunderstorms with heavy falls likely.
– Tomorrow: Max: 30, Min: 22
– Outlook for Tuesday: Occasional showers and isolated thunderstorms. Min: 21, Max: 30.

For Taveuni:
– Occasional showers. Isolated thunderstorms with heavy falls likely.
– Tomorrow: Max: 29, Min: 22
– Outlook for Tuesday: Occasional showers and isolated thunderstorms. Min: 22, Max: 30.

For Lau and Lomaiviti Group:
– Today: Cloudy periods with some showers. Isolated thunderstorms with heavy falls possible.
– Tomorrow: Occasional showers. Isolated thunderstorms with heavy falls likely.
– Max: 29, Min: 22
– Outlook for Tuesday: Occasional showers and isolated thunderstorms. Min: 22, Max: 29.

For Kadavu:
– Cloudy periods with some showers. Isolated thunderstorms with heavy falls possible.
– Tomorrow: Max: 28, Min: 22
– Outlook for Tuesday: Partly cloudy with afternoon or evening showers. Min: 22, Max: 29.

For Rotuma:
– Situation: An easterly wind flow prevails. A trough of low pressure affects the island. Occasional showers and isolated thunderstorms.
– Tomorrow: Max: 29, Min: 22
– Moderate easterly winds. Moderate seas.
– Outlook for Tuesday: Some showers and isolated thunderstorms. Min: 23, Max: 28.

Note: Always carry an umbrella or rain jacket as showers and thunderstorms can be quick to move in, and flash flooding is possible in low-lying areas when heavy bursts occur. Enjoy the tropical sky—every cloud has its own dramatic soundtrack.