Little Swan Bay Weather Forecast

    • 11
    • 19

    Shower or two

    • 11
    • 19

    Showers

    • 13
    • 20

    Showers

    • 14
    • 21

    Showers

    • 12
    • 22

    Shower or two

    • 12
    • 20

    Shower or two

    • 11
    • 18

    Shower or two

Today 20 May Hunter

Mostly sunny. Medium chance of showers near the coast, most likely at night. Near zero chance of rain elsewhere. The chance of a thunderstorm along the coastal fringe in the evening. Winds west to southwesterly 15 to 20 km/h tending south to southwesterly in the middle of the day then becoming light in the late afternoon. Overnight temperatures falling to between 8 and 11 with daytime temperatures reaching between 15 and 20.

Hunter Coastal Waters

Seal Rocks to Broken Bay
Wind
Southwesterly 20 to 30 knots turning southerly in the evening.
Seas
2 to 2.5 metres.
1st Swell
Southerly 2 to 3 metres.
Weather
Partly cloudy. 90% chance of showers. The chance of a thunderstorm.
Weather Situation
A high pressure ridge establishing in the area during today with a trough and low pressure system further offshore and remaining over the Tasman Sea for the next several days, whipping fresh to strong southerly winds and large powerful waves to the coastline mid to late this week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Little Swan Bay Temperature Statistics View More

May Temperature

Williamtown RAAF Base (16km)

  • Lowest 8 May, 2026

    7.8 °C

  • Average May

    17 °C

  • Highest 4 May, 2026

    27.5 °C

Climate (2021–Present)

Williamtown RAAF Base (16km)

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  • Average Low 2021–2026

    13.3 °C

  • Average 2021–2026

    18.1 °C

  • Average High 2021–2026

    23.9 °C
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