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 4:05 pm EST on Monday 20 July 2026
for the period until midnight EST Friday 24 July 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 strong high pressure system over the Tasman Sea extends a ridge across much of the state, bringing northerly winds over Sydney Waters. Then, a cold front crossing the state mid to late this week will bring a fresh to strong southwesterly wind change in its wake.

Forecast for Monday 20 July until midnight

Winds: North to northeasterly below 10 knots. Seas: Below 0.5 metres. Weather: Clear.

Forecast for Tuesday 21 July

Winds: Northwesterly about 10 knots tending northeasterly 10 to 15 knots in the early afternoon then becoming northerly below 10 knots in the evening. Seas: Below 0.5 metres. Weather: The chance of morning fog with reduced visibility. Mostly sunny afternoon.

Forecast for Wednesday 22 July

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

Forecast for Thursday 23 July

Winds: Westerly about 10 knots increasing to 10 to 15 knots during the evening. Seas: Below 0.5 metres. Weather: Sunny.

Forecast for Friday 24 July

Winds: West to southwesterly 10 to 15 knots tending south to southwesterly during the day then becoming variable below 10 knots during the afternoon. Seas: Below 0.5 metres. Weather: Sunny.

The next routine forecast will be issued at 10:00 pm EST Monday.

* 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.