Sydney Coastal Waters Forecast: Broken Bay to Port Hacking

View the current warnings for New South Wales

Forecast issued at 4:07 pm EST on Sunday 15 September 2019.

Weather Situation

A high pressure system over northeast New South Wales will move to the Tasman Sea today, with winds shifting northeasterly in most coastal areas. A cold front will bring a fresh to strong southerly change to southern and central parts of the coast on Monday, continuing to the north on Tuesday, reinforced by the development of a low pressure system off the coast. A strong high pressure system is expected to develop over the southern Tasman Sea during the second half of the week, bringing a gradual return to northeasterly winds.

Forecast for Sunday until midnight

Winds
Northerly 10 to 15 knots, reaching up to 20 knots offshore in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore.
Swell
Southerly 1 to 1.5 metres.
Weather
Mostly clear.

Monday 16 September

Strong Wind Warning for Monday for Sydney Coast

Winds
Northerly 10 to 15 knots ahead of a southerly change 20 to 30 knots in the afternoon.
Seas
1 to 1.5 metres, increasing to 1.5 to 2.5 metres by evening.
Swell
Southerly around 1 metre.
Weather
Partly cloudy. 60% chance of showers from the late afternoon.

Tuesday 17 September

Winds
Southerly 20 to 25 knots tending southeasterly 25 to 30 knots in the morning then tending southerly 30 to 40 knots in the evening.
Seas
2 to 3 metres, increasing to 3 to 4 metres offshore during the afternoon.
1st Swell
Southerly 1 to 2 metres, tending southeasterly 3 to 4 metres during the afternoon.
2nd Swell
Northeasterly around 1 metre, increasing to 1 to 1.5 metres by early evening.
Weather
Cloudy. 95% chance of rain. The chance of a thunderstorm offshore.
Caution
Large and powerful surf conditions in the evening are expected to be hazardous for coastal activities such as crossing bars by boat and rock fishing.

Wednesday 18 September

Winds
South to southeasterly 30 to 40 knots turning easterly 15 to 25 knots during the morning.
Seas
3 to 5 metres, decreasing to 1.5 to 2.5 metres during the afternoon.
1st Swell
Southeasterly 2.5 to 4 metres.
2nd Swell
Northeasterly 1 to 1.5 metres, tending easterly around 1 metre during the afternoon.
Weather
Cloudy. 95% chance of showers.
Caution
Large and powerful surf conditions are expected to be hazardous for coastal activities such as crossing bars by boat and rock fishing.

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 4:10 am EST Monday.

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