North Neptune Islands Weather Forecast
- 18
- 19
Partly cloudy
- 17
- 18
Partly cloudy
- 17
- 22
Partly cloudy
- 19
- 19
Partly cloudy
- 18
- 20
Partly cloudy
- 20
- 21
Sunny
- 19
- 19
Shower
Today 19 Apr Lower Eyre Peninsula
Slight chance of a shower in the early morning. The chance of a thunderstorm in the morning. Mostly sunny afternoon. Winds north to northwesterly 15 to 20 km/h becoming light in the early morning then becoming southeast to southwesterly 20 to 30 km/h in the morning. Daytime maximum temperatures in the low to mid 20s.
Central Coastal Waters
- Wind
- Northwest to southwesterly 10 to 15 knots tending south to southwesterly in the early morning then tending south to southeasterly in the early afternoon.
- Seas
- Around 1 metre.
- 1st Swell
- Southwesterly around 1 metre, increasing to 1 to 1.5 metres around midday, then increasing to 1.5 to 2 metres by early evening.
- Weather
- Partly cloudy. The chance of a thunderstorm this morning.
- Weather Situation
- A high pressure system centred west of Tasmania extends a ridge over western Victoria. A cold front over the far west of SA will weaken as it moves eastwards over central and eastern parts this morning. The high will move eastwards to be centred southeast of Tasmania later today but will continue to extend a ridge over SA early next week. Another front will move across the south of SA late Tuesday and early Wednesday then another high will move across waters to the south during Wednesday.
North Neptune Islands Temperature Statistics View More
April Temperature
Neptune Island (12km)
Lowest 11 April, 2026
12.4 °CAverage April
17.2 °CHighest 1 April, 2026
21.6 °C
Climate (2021–Present)
Neptune Island (12km)
Average Low 2021–2026
14.3 °CAverage 2021–2026
16.2 °CAverage High 2021–2026
18.8 °C