Fiji Weather Update: Heavy Showers, Isolated Thunderstorms, and Flash Flood Risk Across Islands (30 August 2025)

Updated Weather Bulletin from the National Weather Forecasting Centre, Nadi

Situation: A stable east to southeast breeze continues over the group. A weak trough of low pressure to the northeast should start influencing the country from tomorrow.

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

Outlook for Monday: Occasional showers and isolated thunderstorms over Serua-Namosi, Navua-Suva-Nausori, Tailevu-Naitasiri-Ra, Southern Bua, Cakaudrove, Kadavu and nearby smaller islands, Lau and Lomaiviti groups. Isolated thunderstorms with heavy falls expected. Localised heavy falls may lead to flash flooding of low-lying and flood-prone areas. Partly cloudy with afternoon or evening showers. Moderate to fresh east to southeast winds. Moderate to rough seas.

Navua / Suva / Nausori:
Cloudy periods with some showers. Isolated thunderstorms with heavy falls likely from tomorrow.
Today’s max: 29
Tomorrow: max 28, min 22
Outlook for Monday: Occasional showers and isolated thunderstorms. Min 23, Max 27.

Nadi / Lautoka / Ba:
Fine apart from isolated brief afternoon or evening showers.
Today’s max: 30
Tomorrow: max 30, min 21
Outlook for Monday: Partly cloudy with afternoon or evening showers. Min 22, Max 29.

Sigatoka / Coral Coast:
Fine apart from isolated brief afternoon or evening showers.
Today’s max: 30
Tomorrow: max 30, min 21
Outlook for Monday: Partly cloudy with afternoon or evening showers. Min 22, Max 29.

Tavua / Rakiraki:
Fine apart from isolated brief afternoon or evening showers.
Today’s max: 30
Tomorrow: max 30, min 21
Outlook for Monday: Partly cloudy with afternoon or evening showers. Min 22, Max 29.

Natadradave / Korovou:
Cloudy periods with some showers. Isolated thunderstorms with heavy falls likely from tomorrow.
Today’s max: 29
Tomorrow: max 28, min 22
Outlook for Monday: Occasional showers and isolated thunderstorms. Min 23, Max 27.

Yasawa / Mamanuca group:
Fine apart from isolated brief afternoon or evening showers.
Today’s max: 30
Tomorrow: max 30, min 21
Outlook for Monday: Partly cloudy with afternoon or evening showers. Min 22, Max 29.

Labasa:
Fine apart from isolated brief afternoon or evening showers.
Today’s max: 30
Tomorrow: max 30, min 21
Outlook for Monday: Partly cloudy with afternoon or evening showers. Min 22, Max 29.

Savusavu:
Cloudy periods with some showers. Isolated thunderstorms with heavy falls likely from tomorrow.
Today’s max: 29
Tomorrow: max 28, min 22
Outlook for Monday: Occasional showers and isolated thunderstorms. Min 23, Max 27.

Nabouwalu:
Cloudy periods with some showers. Isolated thunderstorms with heavy falls likely from tomorrow.
Today’s max: 29
Tomorrow: max 28, min 22
Outlook for Monday: Occasional showers and isolated thunderstorms. Min 23, Max 27.

Taveuni:
Cloudy periods with some showers. Isolated thunderstorms with heavy falls likely from tomorrow.
Today’s max: 29
Tomorrow: max 28, min 22
Outlook for Monday: Occasional showers and isolated thunderstorms. Min 23, Max 27.

Lau and Lomaiviti Group:
Cloudy periods with some showers. Isolated thunderstorms with heavy falls likely from tomorrow.
Today’s max: 29
Tomorrow: max 28, min 22
Outlook for Monday: Occasional showers and isolated thunderstorms. Min 23, Max 27.

Kadavu:
Fine apart from isolated brief afternoon or evening showers.
Today’s max: 30
Tomorrow: max 30, min 21
Outlook for Monday: Partly cloudy with afternoon or evening showers. Min 22, Max 29.

Rotuma:
Situation: An easterly wind flow prevails. A trough of low pressure to the east is expected to affect the island from later today.
Mainly fine. Cloudy periods with some showers and isolated thunderstorms developing from later today.
Today’s max: 30
Tomorrow: max 29, min 23
Moderate easterly winds. Moderate seas.
Outlook for Monday: Some showers and isolated thunderstorms. Min 23, Max 28.