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BoM Great Bay Marine Weather Forecast

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Other TAS Coastal Waters Forecasts

Forecast for Tuesday, 29 September
Weather: Partly cloudy.
Winds: Variable about 10 knots becoming northerly 10 to 15 knots in the late afternoon.
Seas: Below 1 metre.
Swell: Southerly around 1 metre.
Forecast for Wednesday, 30 September
Weather: Partly cloudy.
Winds: Northerly 10 to 15 knots tending northwesterly in the early morning then decreasing to about 10 knots in the evening. Winds reaching up to 20 knots near Eddystone Point in the early afternoon.
Seas: Around 1 metre, increasing to 1 to 1.5 metres inshore around midday.
Swell: South to southeasterly around 1 metre.
Forecast for Thursday, 1 October
Weather: Cloudy. 95% chance of showers.
Winds: Northwesterly 10 to 15 knots increasing to 20 knots before turning westerly 10 to 15 knots during the afternoon and evening.
Seas: Around 1 metre.
Swell: Northeasterly below 1 metre.
Forecast for Friday, 2 October
Weather: Cloudy. 60% chance of showers.
Winds: Westerly 10 to 15 knots shifting southeasterly 15 to 25 knots during the morning.
Seas: Around 1 metre, increasing to 1 to 2 metres during the morning.
Swell: East to northeasterly below 1 metre.

Forecast for Tuesday, 29 September
Weather: Partly cloudy.
Winds: North to northeasterly 10 to 15 knots, reaching up to 20 knots offshore in the evening.
Seas: Around 1 metre.
Swell: Westerly below 1 metre.
Forecast for Wednesday, 30 September
Weather: Cloudy. 70% chance of showers.
Winds: Northerly 10 to 15 knots, reaching up to 20 knots offshore during the morning and early afternoon. Winds tending northwesterly in the early morning then decreasing to below 10 knots in the late evening.
Seas: 1 to 1.5 metres.
Swell: Northeasterly below 1 metre.
Forecast for Thursday, 1 October
Weather: Cloudy. 95% chance of rain.
Winds: Northwesterly 10 to 15 knots turning westerly in the late morning.
Seas: Around 1 metre.
Swell: Westerly below 1 metre.
Forecast for Friday, 2 October
Weather: Partly cloudy. 50% chance of showers.
Winds: West to southwesterly 10 to 15 knots shifting southeasterly 15 to 25 knots during the morning.
Seas: Below 1 metre, increasing to 1 to 2 metres during the afternoon.
Swell: Westerly below 1 metre inshore, increasing to around 1 metre offshore.

Forecast for Tuesday, 29 September
Weather: Cloudy. 60% chance of showers.
Winds: Northerly 20 to 30 knots, reaching up to 35 knots offshore in the evening.
Seas: 2 to 4 metres.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Wednesday, 30 September
Weather: Cloudy. 95% chance of showers.
Winds: Northerly 20 to 25 knots, reaching up to 30 knots early in the morning. Winds turning northwesterly 15 to 25 knots during the morning.
Seas: 2 to 3 metres, decreasing to 1 to 2 metres during the morning.
Swell: Southwesterly 2.5 metres.
Forecast for Thursday, 1 October
Weather: Cloudy. 80% chance of showers.
Winds: Northwesterly 15 to 25 knots turning southwesterly 10 to 15 knots in the evening.
Seas: 1.5 to 2.5 metres, decreasing below 1 metre later in the evening.
Swell: Southwesterly 2 to 2.5 metres, tending westerly 2.5 to 3 metres by early evening.
Forecast for Friday, 2 October
Weather: Partly cloudy.
Winds: South to southwesterly 10 to 15 knots tending south to southeasterly 15 to 20 knots during the day.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the afternoon or evening.
Swell: Southwesterly 3 metres, increasing to 3 to 4 metres during the morning.

Forecast for Tuesday, 29 September
Weather: Mostly clear.
Winds: Northerly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore.
Swell: Southerly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore.
Forecast for Wednesday, 30 September
Weather: Partly cloudy.
Winds: North to northwesterly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore. Northeasterly around 1 metre.
Forecast for Thursday, 1 October
Weather: Partly cloudy. 95% chance of rain. The chance of a thunderstorm offshore in the late afternoon and evening.
Winds: Northwesterly 15 to 20 knots tending westerly in the early afternoon.
Seas: 1 to 1.5 metres.
Swell: Southerly around 1 metre. Northeasterly around 1 metre.
Forecast for Friday, 2 October
Weather: Cloudy. 80% chance of showers.
Winds: West to southwesterly 10 to 15 knots shifting southeasterly 15 to 25 knots during the morning.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
Swell: Southerly around 1 metre.

Forecast for Tuesday, 29 September
Weather: Cloudy. The chance of a thunderstorm south of King Island later tonight.
Winds: North to northeasterly 15 to 25 knots, reaching up to 30 knots south of King Island during the afternoon and evening.
Seas: 1.5 to 2.5 metres.
Swell: Southwesterly 1.5 to 2.5 metres.
Forecast for Wednesday, 30 September
Weather: Cloudy. 90% chance of showers.
Winds: North to northwesterly 15 to 25 knots tending west to northwesterly below 10 knots in the afternoon.
Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then decreasing to 1 metre by early evening.
Swell: Southwesterly 1.5 to 2.5 metres.
Forecast for Thursday, 1 October
Weather: Cloudy. 80% chance of showers.
Winds: West to northwesterly 10 to 15 knots turning southwesterly during the afternoon and evening.
Seas: Below 1 metre.
Swell: West to southwesterly 1.5 to 2.5 metres.
Forecast for Friday, 2 October
Weather: Partly cloudy.
Winds: South to southwesterly 10 to 15 knots tending south to southeasterly 15 to 20 knots during the day.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the afternoon.
Swell: Southwesterly 2 to 3 metres.

Forecast for Tuesday, 29 September
Weather: Cloudy.
Winds: Northerly 20 to 30 knots decreasing to 20 to 25 knots in the evening then increasing to 20 to 30 knots in the late evening.
Seas: 1.5 to 2 metres.
Swell: Southerly 2 to 3 metres.
Forecast for Wednesday, 30 September
Weather: Cloudy. 70% chance of showers.
Winds: Northerly 20 to 25 knots, reaching up to 30 knots early in the morning. Winds turning northwesterly 15 to 20 knots during the day.
Seas: 1.5 to 2.5 metres.
Swell: South to southwesterly 1 to 2 metres inshore, increasing to 2 to 3 metres offshore.
Forecast for Thursday, 1 October
Weather: Partly cloudy. 60% chance of showers.
Winds: Northwesterly 15 to 20 knots becoming variable about 10 knots in the early afternoon then becoming south to southwesterly 15 to 20 knots in the late afternoon.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres around midday.
Swell: South to southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2.5 metres offshore.
Forecast for Friday, 2 October
Weather: Partly cloudy.
Winds: South to southwesterly 15 to 20 knots turning southeasterly during the morning.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning.
Swell: Southwesterly 2 to 3 metres.

Forecast for Tuesday, 29 September
Weather: Cloudy.
Winds: Northerly 15 to 25 knots, reaching up to 30 knots in the late evening.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres later in the evening.
Swell: Southwesterly 2.5 to 3 metres inshore, increasing to 3 to 4 metres offshore.
Forecast for Wednesday, 30 September
Weather: Cloudy. 80% chance of showers.
Winds: Northerly 15 to 25 knots, reaching up to 30 knots offshore early in the morning. Winds shifting west to southwesterly in the early afternoon.
Seas: 2 to 3 metres, decreasing to 1 to 2 metres during the afternoon.
Swell: Southwesterly 2.5 to 3 metres. Northeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Forecast for Thursday, 1 October
Weather: Partly cloudy. 60% chance of showers.
Winds: West to northwesterly 15 to 25 knots becoming westerly 20 to 30 knots in the early afternoon then decreasing to 20 to 25 knots in the evening.
Seas: 1.5 to 2.5 metres.
Swell: Southwesterly 2 to 3 metres, tending westerly 2.5 to 3 metres during the afternoon, then tending west to southwesterly 2 to 3 metres later in the evening.
Forecast for Friday, 2 October
Weather: Partly cloudy.
Winds: Southwesterly 15 to 20 knots shifting east to southeasterly 10 to 15 knots during the afternoon.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning.
Swell: Southwesterly 2 to 3 metres inshore, increasing to 2.5 to 4 metres offshore.

Forecast for Tuesday, 29 September
Weather: Cloudy. 60% chance of showers.
Winds: North to northeasterly 15 to 25 knots tending north to northwesterly 25 to 30 knots in the evening. Winds reaching up to 35 knots offshore in the late evening.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres by early evening, then increasing to 2 to 4 metres later in the evening.
Swell: Southwesterly 3 metres.
Forecast for Wednesday, 30 September
Weather: Cloudy. 80% chance of showers.
Winds: Northwesterly 20 to 30 knots, reaching up to 35 knots offshore early in the morning.
Seas: 2.5 to 4 metres, decreasing to 2 to 3 metres around midday.
Swell: Southwesterly 2.5 to 3 metres. East to northeasterly around 1 metre.
Forecast for Thursday, 1 October
Weather: Cloudy. 90% chance of showers.
Winds: Northwesterly 20 to 25 knots increasing to 30 knots before turning westerly 15 to 25 knots during the afternoon and evening.
Seas: 2 to 3 metres.
Swell: Southwesterly 2 to 2.5 metres, tending westerly 2.5 to 3 metres by early evening.
Forecast for Friday, 2 October
Weather: Partly cloudy.
Winds: Southwesterly 15 to 20 knots turning southeasterly during the day.
Seas: 1 to 1.5 metres.
Swell: Westerly 3 metres, tending southwesterly 3 to 4 metres during the morning.

Forecast for Tuesday, 29 September
Weather: Partly cloudy.
Winds: Northerly 20 to 25 knots, reaching up to 30 knots in the late afternoon.
Seas: 1.5 to 2 metres.
Swell: Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2.5 metres offshore.
Forecast for Wednesday, 30 September
Weather: Partly cloudy.
Winds: North to northwesterly 15 to 25 knots.
Seas: 1 to 2 metres.
Swell: Southerly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
Forecast for Thursday, 1 October
Weather: Partly cloudy. 70% chance of showers.
Winds: North to northwesterly 15 to 20 knots shifting south to southwesterly 10 to 15 knots in the evening.
Seas: Around 1 metre, increasing to 1.5 to 2 metres offshore.
Swell: Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Forecast for Friday, 2 October
Weather: Partly cloudy.
Winds: Southerly 15 to 20 knots turning southeasterly during the morning.
Seas: 1 to 1.5 metres.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore during the morning.
Dennes Point
▲ N
5 kn NNE
· 16 °C
Warnings
No warnings within 100 km.
State Wide
Marine
View all TAS warnings
Temperature
Great Bay
16 °C 18 °C 1pm 5 °C 6am
↓ Cooling
Now: 16 °C
Tides
Great Bay
9:19am 1.12m 4:37pm 0.31m
↓ Falling
Current: 0.31m
Weather Now for Great Bay
Partly cloudy.
16 °C
Feels like 14 °C
Wind
5 kn NNE
Humidity
62%
Pressure
1019 hPa
At Dennes Point
Nearby Wind
50 km radius
N S W E Dover 11 kn Cape Bruny (Cape Bruny) 5 kn Grove 7 kn Hobart 16 kn Hartz Mountain (Keoghs Pimple) 6 kn Dunalley (Stroud Point)
Great Bay
5 kn NNE
Recent Locations
Great Bay
5 kn NNE
 16°
Birchs Bay
5 kn NNE
 16°
Sun
5:47am rise 6:14pm set
12 h 26 m of daylight
Now: 4:23pm
176 seconds more than yesterday
Moon
9:22pmrise 6:29amset
92% illuminated
Waning Gibbous
Live Weather
Nearby
Dennes Point, TAS
5 kn NNE
 16°
Dunalley (Stroud Point), TAS
6 kn N
 17°
Windiest in Australia
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26 kn NNE
 18°
Most Windless in Australia
Combienbar, VIC
Calm
22°
Hottest in Australia
Fitzroy Crossing, WA
8 kn WSW
 37°
Coldest in Australia
Mount Hotham, VIC
11 kn NNW
 9°
Wettest in Australia
Port Keats Airport, NT
 19.2 mm
More locations...
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