South East Coastal Waters Forecast: Tasman Island to South East Cape

View the current warnings for Tasmania

Forecast issued at 4:00 am EST on Saturday 18 July 2026.

Weather Situation

A west to northwesterly airstream will prevail over the state until Monday as a near stationary high pressure centre over Victoria extends a weak ridge over Tasmania. A weak cold front is expected to move over the west Monday evening, and the rest of the state during Tuesday.

Forecast for Saturday until midnight

Strong Wind Warning for Saturday for South East Coast

Winds
Northwesterly 20 to 25 knots, reaching up to 30 knots offshore during the day. Winds turning westerly 15 to 25 knots during the morning and early afternoon.
Seas
2 to 3 metres, decreasing to 1 to 2 metres by early evening.
Swell
Southwesterly 3 to 4 metres, decreasing to 3 metres later in the evening.
Weather
Cloudy. 50% chance of showers.

Sunday 19 July

Winds
West to northwesterly 10 to 15 knots, reaching up to 20 knots offshore during the morning. Winds turning northerly during the morning.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning.
Swell
Southwesterly 2 to 3 metres.
Weather
Cloudy.

Monday 20 July

Winds
North to northwesterly 15 to 20 knots tending west to northwesterly 20 to 30 knots during the day.
Seas
1 to 1.5 metres, increasing to 2 to 3 metres during the morning.
Swell
West to southwesterly 1.5 to 2.5 metres.
Weather
Partly cloudy. 60% chance of showers.

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.

Nearby Coastal Waters

Tas - BANKS STRAIGHT AND FRANKLIN SOUND Tas - CENTRAL NORTH COAST, Stanley to the Northern Tip of Flinders Is Tas - EAST OF FLINDERS ISLAND, Northern Tip of Flinders Is to St Helens Pt Tas - UPPER EAST COAST, St Helens Pt to Wineglass Bay Tas - LOWER EAST COAST, Wineglass Bay to Tasman Island Tas - SOUTHEAST COAST, Tasman Is to South East Cape Tas - SOUTHWEST COAST, South East Cape to Low Rocky Pt Tas - CENTRAL WEST COAST, Low Rocky Pt to Sandy Cape Tas - FAR NORTHWEST COAST, Sandy Cape to Stanley and King Island Vic - East Gippsland Coast - Coastal Waters Forecast Vic - Central Gippsland Coast - Coastal Waters Forecast Vic - Central Coast - Coastal Waters Forecast Vic - West Coast - Coastal Waters Forecast

The next routine forecast will be issued at 10:00 am EST Saturday.

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