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

View the current warnings for Tasmania

Forecast issued at 4:05 pm EST on Wednesday 16 September 2026.

Weather Situation

A high over the Bight directs a cold southwesterly wind over Tasmania. The high is expected to move over Victoria on Thursday. Strong and gusty northwesterly winds are forecast on Friday as a deep low pressure system develops well to the south. A weak ridge is forecast to extend over the state on Saturday, before a cold front crosses the state on Sunday.

Forecast for Wednesday until midnight

Strong Wind Warning for Wednesday for South East Coast

Winds
Westerly 25 to 30 knots.
Seas
2 to 3 metres.
Swell
Southwesterly 4 to 5 metres.
Weather
Cloudy. 60% chance of showers.

Thursday 17 September

Gale Warning for Thursday for South East Coast

Winds
Westerly 25 to 30 knots, reaching up to 35 knots during the day.
Seas
2.5 to 4 metres.
Swell
Southwesterly 4 to 5 metres.
Weather
Cloudy. 70% chance of showers.

Friday 18 September

Winds
West to northwesterly 25 to 40 knots.
Seas
2 to 4 metres.
Swell
West to southwesterly 2 to 4 metres inshore, increasing to 5 to 6 metres offshore.
Weather
Partly cloudy. 70% chance of showers.

Saturday 19 September

Winds
Westerly 25 to 35 knots turning northwesterly 15 to 20 knots during the evening.
Seas
2.5 to 4 metres, decreasing below 2.5 metres during the evening.
Swell
West to southwesterly 3 to 5 metres, decreasing to 3 metres during the evening.
Weather
Partly 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.

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 pm EST Wednesday.

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