Hunter Coastal Waters Forecast: Seal Rocks to Broken Bay

View the current warnings for New South Wales

Forecast issued at 10:00 pm EST on Monday 17 August 2026.

Weather Situation

A high pressure system over Tasman Sea is directing onshore east to southeast winds over the coastal waters today. The winds will tend southeast to northeasterly tonight and on Tuesday as the high moves over the southern Tasman Sea, and then north to northeasterly along the southern coast on Wednesday as a low pressure trough approaches from the west.

Forecast for Monday until midnight

Winds
Easterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
East to southeasterly below 1 metre, increasing to 1 to 1.5 metres north of Norah Head.
2nd Swell
Southerly around 1 metre.
Weather
Partly cloudy.

Tuesday 18 August

Winds
Easterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
East to southeasterly 1 to 1.5 metres.
2nd Swell
Southerly around 1 metre.
Weather
Partly cloudy. 50% chance of showers.

Wednesday 19 August

Winds
Northeasterly 15 to 20 knots turning northerly 10 to 15 knots in the late evening.
Seas
Below 0.5 metres, increasing to around 1 metre during the morning.
Swell
East to southeasterly 1 to 1.5 metres, decreasing to around 1 metre later in the evening.
Weather
Partly cloudy. 50% chance of showers.

Thursday 20 August

Winds
Northerly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore north of Port Stephens during the afternoon.
Swell
East to southeasterly around 1 metre.
Weather
Mostly sunny day. The chance of a thunderstorm in the afternoon and evening.

Please be awareWind and wave forecasts are averages. Wind gusts can be 40 per cent stronger than the forecast, and stronger still in squalls and thunderstorms. Maximum waves can be twice the forecast height.

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The next routine forecast will be issued at 4:00 am EST Tuesday.

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