Swan Island Weather Forecast
- 12
- 14
Rain. Heavy falls possible
- 10
- 16
Rain. Very windy
- 10
- 16
Rain. Windy
- 11
- 18
Possible shower
- 8
- 19
Partly cloudy
- 11
- 19
Shower or two
- 10
- 18
Possible shower
Today 1 Jul Hunter
Cloudy. Very high chance of rain. Heavy falls possible this morning. The chance of a thunderstorm near the coast. Damaging winds possible. Winds southwesterly 20 to 30 km/h turning westerly 25 to 35 km/h during the afternoon and evening. Daytime maximum temperatures between 11 and 15.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- South to southeasterly 20 to 30 knots turning southwesterly 30 to 45 knots during the morning. Winds reaching up to 50 knots offshore north of Port Stephens in the late afternoon.
- Seas
- 2 to 3 metres, increasing to 3 to 5 metres around midday.
- 1st Swell
- Easterly 1 to 2 metres, increasing to 2 to 3 metres during the morning.
- Weather
- Cloudy. 95% chance of rain. Heavy falls possible. The chance of a thunderstorm.
- Caution
- Large and powerful surf conditions in the afternoon and evening are expected to be hazardous for coastal activities such as crossing bars by boat and rock fishing.
- Weather Situation
- A vigorous coastal low pressure system off the north coast is forecast to move southwards to the coastal waters off the central parts of the coast today while intensifying, bringing vigorous winds and large powerful waves over the coastal waters today and Wednesday. Winds and surf conditions are forecast to ease gradually later in the week as the low starts to move further offshore from Thursday and this system will be followed by a high pressure ridge moving across the state.
Swan Island Temperature Statistics View More
July Temperature
Williamtown RAAF Base (18km)
Lowest
–Average July
–Highest
–
Climate (2020–Present)
Williamtown RAAF Base (18km)
Average Low 2020–2025
13.3 °CAverage 2020–2025
18 °CAverage High 2020–2025
23.6 °C