No warnings for Tasmania
Forecast issued at 4:05 pm EST on Monday 17 August 2026.
Weather Situation
A high pressure system lies just to the east of Tasmania and is expected to slowly move away towards New Zealand during Tuesday and Wednesday. A northerly stream will develop over Tasmania on Tuesday and persist into Wednesday, ahead of a trough to cross the state during Wednesday evening and early Thursday morning. Another trough is expected to cross Tasmania during Thursday, with a west to northwesterly stream to develop and persist through Friday.
Forecast for Monday until midnight
- Winds
- East to northeasterly 15 to 20 knots, reaching up to 25 knots south of King Island in the late evening.
- Seas
- 1 to 1.5 metres.
- Swell
- Southwesterly 2 to 3 metres.
- Weather
- Clear.
Tuesday 18 August
- Winds
- Northeasterly 15 to 25 knots.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2 metres south of King Island.
- Swell
- Southwesterly 1 to 2 metres, increasing to 2 to 3 metres south of King Island.
- Weather
- Mostly sunny.
Wednesday 19 August
- Winds
- Northeasterly 15 to 25 knots increasing to 30 knots before turning north to northwesterly 20 to 25 knots in the early afternoon.
- Seas
- 1.5 to 2.5 metres.
- Swell
- Southwesterly 1 to 1.5 metres, increasing to 2 metres south of King Island.
- Weather
- Cloudy. Near 100% chance of rain.
Thursday 20 August
- Winds
- Northwesterly 20 to 25 knots turning westerly 15 to 25 knots during the morning.
- Seas
- 1.5 to 2.5 metres.
- Swell
- Southwesterly 1 to 2 metres, tending westerly 2 to 3 metres during the morning.
- Weather
- Partly cloudy. 90% 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
- See detailed wind and wave forecasts on MetEye
- This forecast is also available via scheduled broadcasts on marine radio.
- Latest Coastal Observations
- Tide Predictions
- Marine Knowledge Centre - explanations and definitions
The next routine forecast will be issued at 10:00 pm EST Monday.
Product IDT12320