Hunter Coastal Waters Forecast: Seal Rocks to Broken Bay

View the current warnings for New South Wales

Forecast issued at 4:10 am EDT on Wednesday 19 December 2018.

Weather Situation

A high over the northern Tasman Sea extends a ridge towards the northern coast, while a second high lies to the south of Tasmania. A weak trough between these two systems lies about the Hunter coast, with predominantly north to northeasterlies to the north of the trough and south to southeasterlies to its south. As the trough dissipates today, winds will tend north to northeasterly throughout. A second trough near Adelaide is moving east, and is forecast to bring a southerly change to southern waters of New South Wales late Thursday and to central and northern waters on Friday.

Forecast for Wednesday until midnight

Winds
Southerly about 10 knots inshore tending northerly offshore. Winds tending southeast to northeasterly in the late afternoon and evening.
Seas
Below 1 metre.
Swell
Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Partly cloudy. 50% chance of showers. The chance of a thunderstorm this evening.

Thursday 20 December

Winds
North to northeasterly about 10 knots increasing to 10 to 15 knots in the early afternoon then turning east to southeasterly in the evening.
Seas
Around 1 metre.
1st Swell
Southerly around 1 metre.
2nd Swell
East to northeasterly around 1 metre.
Weather
Partly cloudy. 60% chance of showers. The chance of a thunderstorm.

Friday 21 December

Winds
Northeast to southeasterly 10 to 15 knots tending southerly 15 to 20 knots during the morning then decreasing to about 10 knots during the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres during the morning.
1st Swell
Southerly around 1 metre, increasing to 1.5 metres south of Port Stephens during the evening.
2nd Swell
East to northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Cloudy.

Please be awareWind gusts can be 40 percent stronger than the averages given here, and maximum waves may be up to twice the height.

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The next routine forecast will be issued at 4:05 pm EDT Wednesday.

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