Haystack Island Weather Forecast
- 17
- 22
Partly cloudy
- 14
- 21
Partly cloudy
- 15
- 25
Mostly sunny
- 17
- 22
Cloud clearing
- 15
- 24
Sunny
- 18
- 25
Mostly sunny
- 17
- 24
Partly cloudy
Today 19 Apr Yorke Peninsula
Mostly clear. Winds west to southwesterly 15 to 25 km/h turning south to southeasterly in the evening.
Investigator Strait Coastal Waters
- Wind
- South to southwesterly 10 to 15 knots tending south to southeasterly 15 to 20 knots during the afternoon and evening.
- Seas
- Around 1 metre.
- 1st Swell
- West to southwesterly below 1 metre.
- Weather
- Partly cloudy.
- 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.
Haystack Island Temperature Statistics View More
April Temperature
Cape Borda (55km)
Lowest 18 April, 2026
8.8 °CAverage April
15.3 °CHighest 4 April, 2026
22.2 °C
Climate (2021–Present)
Cape Borda (55km)
Average Low 2021–2026
11.7 °CAverage 2021–2026
14.9 °CAverage High 2021–2026
18.9 °C