Australian Government

Bureau of Meteorology


Coastal Waters Forecast 

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IDN11013

Australian Government Bureau of Meteorology
New South Wales

Local Waters Forecast for Sydney Enclosed Waters

Issued at 10:00 am EST on Saturday 19 September 2026
for the period until midnight EST Tuesday 22 September 2026.

Please be aware
Wind 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.

Warning Information

For latest warnings go to www.bom.gov.au, subscribe to RSS feeds, call 1300 659 210* or listen for warnings on relevant TV and radio broadcasts.

Weather Situation

A high pressure system over the state is extending a strong ridge over the Sydney Local Waters. Light winds are forecast as the high moves over the Tasman Sea Sunday. A southerly change is forecast to cross Sydney on Monday bringing fresh and gusty winds, easing on Tuesday.

Forecast for Saturday 19 September until midnight

Winds: Variable about 10 knots. Seas: Below 0.5 metres. Weather: Sunny.

Forecast for Sunday 20 September

Winds: West to northwesterly below 10 knots tending east to northeasterly 10 to 15 knots in the middle of the day then shifting west to northwesterly below 10 knots in the evening. Seas: Below 0.5 metres. Weather: Sunny.

Forecast for Monday 21 September

Winds: Northwesterly 10 to 15 knots shifting southerly 20 to 30 knots during the day. Seas: Below 0.5 metres. Weather: Becoming cloudy.

Forecast for Tuesday 22 September

Winds: South to southeasterly 15 to 20 knots turning east to northeasterly 10 to 15 knots during the afternoon. Seas: Below 0.5 metres. Weather: Cloudy. 80% chance of showers.

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

* Calls to 1300 number cost around 27.5c inc. GST, higher from mobiles or public phones. Marine forecasts are also available on VHF and HF radio. View the radio schedule on www.bom.gov.au/marine

Check the latest Coastal Waters Forecast or Local Waters Forecast at http://www.bom.gov.au/nsw/forecasts/map.shtml for information on wind, wave and weather conditions for these coastal zones.