Roy Island Weather Forecast
- 16
- 23
Partly cloudy
- 17
- 19
Shower
- 16
- 17
Shower
- 14
- 17
Shower
- 15
- 18
Shower
- 16
- 18
Shower
- 15
- 18
Partly cloudy
Today 13 May South East Coastal
Mostly sunny. Winds north to northeasterly 15 to 20 km/h tending north to northwesterly 20 to 30 km/h during the morning and early afternoon then becoming northerly 15 to 20 km/h in the late afternoon. Daytime maximum temperatures in the mid 20s.
Esperance Coastal Waters
Bremer Bay to Israelite Bay- Wind
- Northerly 15 to 20 knots.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the afternoon.
- 1st Swell
- Southwesterly 1 to 2 metres, increasing to 2 to 3 metres during the morning.
- Weather
- Mostly sunny.
- Weather Situation
- A ridge over southern and central WA is slowly weakening. A weak cold front will move across the South West Capes later this afternoon and then the remainder of the South West Land Division into the evening and Thursday, followed by another cold front brushing past the south coast on Thursday night into Friday. A new ridge will extend over southwest WA later Friday.
Roy Island Temperature Statistics View More
May Temperature
Esperance (39km)
Lowest 2 May, 2026
8.2 °CAverage May
14.8 °CHighest 11 May, 2026
23.4 °C
Climate (2021–Present)
Esperance (39km)
Average Low 2021–2026
12.6 °CAverage 2021–2026
16.6 °CAverage High 2021–2026
22.2 °C