Sydney Enclosed Waters Forecast: Sydney Harbour, Pittwater and Botany Bay

View the current warnings for New South Wales

Forecast issued at 10:00 am EST on Saturday 13 June 2026.

Weather Situation

A high pressure system currently over the Tasman Sea extends a ridge over much of the state, bringing light and variable winds to the local waters. A low pressure trough will cross the state during the weekend in association with a cold front skimming the south, bringing moderate northerly winds today, then tending westerly on Sunday before a southerly change arrives late Sunday morning or early Sunday afternoon. On Monday, another high pressure system moves over the Tasman Sea extending a ridge over the state bringing southeasterly winds.

Forecast for Saturday until midnight

Winds
North to northeasterly below 10 knots increasing to 10 to 15 knots in the late afternoon then becoming north to northwesterly below 10 knots in the evening.
Seas
Below 0.5 metres.
Weather
Partly cloudy.

Sunday 14 June

Winds
Northwesterly below 10 knots becoming southwesterly in the middle of the day then tending southerly 10 to 15 knots in the early afternoon.
Seas
Below 0.5 metres.
Weather
Cloudy. 80% chance of showers.

Monday 15 June

Winds
Southerly 10 to 15 knots turning east to southeasterly below 10 knots during the morning.
Seas
Below 0.5 metres.
Weather
Cloudy. 50% chance of showers.

Tuesday 16 June

Winds
Northwesterly below 10 knots becoming north to northeasterly during the day then becoming northwesterly during the evening.
Seas
Below 0.5 metres.
Weather
Sunny.

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.

The next routine forecast will be issued at 4:05 pm EST Saturday.

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