Batemans Coastal Waters Forecast: Ulladulla to Montague Island

No warnings for New South Wales

Forecast issued at 4:59 pm EST on Saturday 19 September 2026.

Weather Situation

Westerly winds today will weaken today as high pressure system over New South Wales enters the Tasman Sea by early Sunday. The high will direct a northwesterly flow during Sunday, ahead of a fresh and gusty southerly change moving across the the coastal waters and reaching the QLD border by Tuesday. Afterwards, second high pressure system is forecast to slip south during early to mid next week.

Forecast for Saturday until midnight

Winds
Northwest to northeasterly 10 to 15 knots tending northwest to southwesterly in the evening then tending east to southeasterly in the late evening.
Seas
Below 1 metre.
Swell
Southerly 1.5 metres.
Weather
Clear.

Sunday 20 September

Winds
Variable about 10 knots becoming northerly 15 to 20 knots in the early morning then tending northwesterly in the late afternoon. Winds reaching up to 25 knots offshore in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore around midday.
Swell
Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Weather
Sunny.

Monday 21 September

Winds
Northwesterly 15 to 25 knots shifting southerly 20 to 30 knots during the morning then decreasing to 15 to 25 knots in the evening.
Seas
1 to 1.5 metres, increasing to 2 to 3 metres during the morning.
Swell
Southerly 1.5 metres, increasing to 2 to 3 metres during the morning.
Weather
Cloudy.

Tuesday 22 September

Winds
Southerly 15 to 20 knots turning east to southeasterly below 10 knots during the morning then tending east to northeasterly 10 to 15 knots during the afternoon.
Seas
1.5 metres, decreasing to 1 metre during the morning.
Swell
Southerly 1.5 to 2.5 metres.
Weather
Cloudy.

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 10:00 pm EST Saturday.

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