Treachery Beach Weather Forecast

Hunter Coastal Waters

Wind

South to southwesterly 15 to 20 knots tending south to southeasterly in the evening.

Seas

1 to 1.5 metres.

1st Swell

Southerly 1.5 to 2 metres.

Weather

Cloudy. 80% chance of showers. The chance of a thunderstorm offshore south of Port Stephens.

Weather Situation

A high pressure system over the Bight will gradually strengthen as it moves eastwards over the next few days, reaching the Tasman Sea by the weekend, maintaining south to southeasterly winds over the coastal waters for much of the period. Meanwhile, a weak coastal trough will develop along the NSW coast later today and into Thursday. Winds will tend east to northeasterly by early next week as the high moves further into the Tasman Sea.