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BoM Semaphore South Marine Weather Forecast

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Forecast for Wednesday, 5 August
Weather: Partly cloudy.
Winds: Variable about 10 knots.
Seas: Around 1 metre.
Swell: Southwesterly 2 metres.
Forecast for Thursday, 6 August
Weather: Partly cloudy.
Winds: Southwesterly 10 to 15 knots becoming variable below 10 knots in the morning.
Seas: Around 1 metre.
Swell: Southwesterly 2 metres, increasing to 2 to 3 metres during the morning.
Forecast for Friday, 7 August
Weather: Cloudy. 95% chance of showers.
Winds: Northeasterly 10 to 15 knots turning northerly 15 to 20 knots during the morning.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 3 metres.
Forecast for Saturday, 8 August
Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the evening.
Winds: North to northwesterly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 2.5 to 3 metres.

Forecast for Wednesday, 5 August
Weather: Clear.
Winds: Variable about 10 knots.
Seas: Below 0.5 metres.
Swell: Southwesterly 2 metres.
Forecast for Thursday, 6 August
Weather: Mostly sunny.
Winds: East to southeasterly about 10 knots tending east to northeasterly 10 to 15 knots in the morning. Winds reaching up to 20 knots offshore in the late evening.
Seas: Around 1 metre.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Friday, 7 August
Weather: Partly cloudy. 70% chance of showers.
Winds: North to northeasterly 15 to 20 knots shifting west to southwesterly 10 to 15 knots in the late morning and early afternoon.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Saturday, 8 August
Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm in the evening.
Winds: Northerly 10 to 15 knots turning west to northwesterly 20 to 30 knots during the day.
Seas: Below 1 metre, increasing to 1 to 2 metres during the afternoon.
Swell: Southwesterly 2 to 2.5 metres.

Forecast for Wednesday, 5 August
Weather: Partly cloudy.
Winds: North to northeasterly about 10 knots.
Seas: Below 1 metre.
Swell: West to southwesterly below 0.5 metres.
Forecast for Thursday, 6 August
Weather: Partly cloudy. 50% chance of showers.
Winds: Variable below 10 knots.
Seas: Below 1 metre.
Swell: South to southwesterly below 0.5 metres.
Forecast for Friday, 7 August
Weather: Partly cloudy. 80% chance of showers.
Winds: Northerly about 10 knots increasing to 10 to 15 knots in the early morning.
Seas: Below 1 metre.
Swell: South to southwesterly below 1 metre.
Forecast for Saturday, 8 August
Weather: Cloudy. 90% chance of showers.
Winds: Northerly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres south of Port Vincent to Brighton.
Swell: South to southwesterly below 1 metre.

Forecast for Wednesday, 5 August
Weather: Partly cloudy.
Winds: North to northwesterly about 10 knots.
Seas: Below 1 metre.
Swell: West to southwesterly around 1 metre.
Forecast for Thursday, 6 August
Weather: Partly cloudy. 50% chance of showers.
Winds: Variable about 10 knots.
Seas: Below 1 metre.
Swell: West to southwesterly around 1 metre, increasing to 1 to 1.5 metres during the afternoon.
Forecast for Friday, 7 August
Weather: Partly cloudy. 90% chance of showers.
Winds: Northerly about 10 knots increasing to 15 to 20 knots in the early morning.
Seas: Below 0.5 metres, increasing to around 1 metre during the morning.
Swell: West to southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres during the morning, then decreasing to 1 to 1.5 metres later in the evening.
Forecast for Saturday, 8 August
Weather: Cloudy. 80% chance of showers. The chance of a thunderstorm in the evening.
Winds: Northerly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: West to southwesterly 1 to 1.5 metres.

Forecast for Wednesday, 5 August
Weather: Cloudy.
Winds: North to northwesterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Southwesterly 2 metres. Southerly around 1 metre.
Forecast for Thursday, 6 August
Weather: Partly cloudy. 70% chance of showers.
Winds: North to northwesterly 10 to 15 knots, reaching up to 20 knots south of Port MacDonnell in the late morning. Winds shifting south to southwesterly below 10 knots in the late morning and afternoon.
Seas: Around 1 metre.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Friday, 7 August
Weather: Partly cloudy. 60% chance of showers.
Winds: Variable about 10 knots becoming northerly 15 to 20 knots in the morning.
Seas: Below 0.5 metres, increasing to around 1 metre during the morning.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Saturday, 8 August
Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm in the evening.
Winds: Northerly 15 to 25 knots.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Swell: Southwesterly 2.5 to 3 metres.

Forecast for Wednesday, 5 August
Weather: Partly cloudy.
Winds: Variable about 10 knots.
Seas: Below 1 metre.
Swell: Southwesterly 2 metres.
Forecast for Thursday, 6 August
Weather: Partly cloudy.
Winds: South to southwesterly 10 to 15 knots becoming variable below 10 knots in the morning.
Seas: Below 1 metre.
Swell: Southwesterly 2 metres, increasing to 2 to 3 metres during the morning.
Forecast for Friday, 7 August
Weather: Cloudy. 95% chance of showers.
Winds: Northeasterly 15 to 20 knots turning northerly in the morning.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Saturday, 8 August
Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the evening.
Winds: North to northwesterly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 2.5 to 3 metres.

Forecast for Wednesday, 5 August
Weather: Partly cloudy.
Winds: North to northwesterly 10 to 15 knots.
Seas: Around 1 metre.
Swell: Southwesterly 2 metres.
Forecast for Thursday, 6 August
Weather: Partly cloudy. 50% chance of showers.
Winds: Northwesterly 10 to 15 knots shifting south to southwesterly early in the morning then becoming variable about 10 knots in the middle of the day.
Seas: Around 1 metre, decreasing below 0.5 metres by early evening.
Swell: Southwesterly 2 metres, increasing to 2 to 3 metres during the morning.
Forecast for Friday, 7 August
Weather: Partly cloudy. 90% chance of showers.
Winds: Northerly about 10 knots increasing to 15 to 20 knots before dawn.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Saturday, 8 August
Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the evening.
Winds: Northerly 15 to 20 knots.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres west of Kangaroo Island.
Swell: Southwesterly 2.5 to 3 metres.

Forecast for Wednesday, 5 August
Weather: Partly cloudy.
Winds: North to northwesterly about 10 knots.
Seas: Below 1 metre.
Swell: South to southwesterly around 1 metre.
Forecast for Thursday, 6 August
Weather: Partly cloudy.
Winds: West to northwesterly 10 to 15 knots tending west to southwesterly in the early morning then becoming variable about 10 knots in the morning.
Seas: Below 1 metre.
Swell: South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Forecast for Friday, 7 August
Weather: Partly cloudy. 80% chance of showers.
Winds: Northeasterly 10 to 15 knots turning northerly 15 to 20 knots during the morning and early afternoon.
Seas: Around 1 metre, increasing to 1 to 1.5 metres around midday.
Swell: South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Forecast for Saturday, 8 August
Weather: Cloudy. 80% chance of showers. The chance of a thunderstorm in the evening.
Winds: Northerly 15 to 20 knots.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the evening.
Swell: South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.

Forecast for Wednesday, 5 August
Weather: Cloudy.
Winds: Northerly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Southwesterly 2 metres.
Forecast for Thursday, 6 August
Weather: Partly cloudy.
Winds: North to northwesterly 10 to 15 knots shifting south to southwesterly below 10 knots in the late morning then becoming variable in the evening.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Friday, 7 August
Weather: Partly cloudy. 70% chance of showers.
Winds: East to northeasterly below 10 knots tending north to northeasterly 15 to 20 knots before dawn.
Seas: Around 1 metre.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Saturday, 8 August
Weather: Cloudy. 90% chance of showers.
Winds: Northerly 15 to 25 knots.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres south of Salt Creek.
Swell: Southwesterly 2 to 3 metres.

Forecast for Wednesday, 5 August
Weather: Mostly clear.
Winds: West to southwesterly below 10 knots.
Seas: Below 0.5 metres.
Swell: Southwesterly 1.5 to 2 metres.
Forecast for Thursday, 6 August
Weather: Partly cloudy.
Winds: Variable about 10 knots becoming east to northeasterly 10 to 15 knots in the late evening.
Seas: Below 0.5 metres.
Swell: Southwesterly 2 metres, increasing to 2 to 3 metres during the morning.
Forecast for Friday, 7 August
Weather: Partly cloudy. 90% chance of showers.
Winds: Northeasterly 15 to 20 knots turning north to northwesterly 10 to 15 knots during the day.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Saturday, 8 August
Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm in the evening.
Winds: North to northwesterly 15 to 20 knots.
Seas: Around 1 metre.
Swell: Southwesterly 2 to 3 metres.
Adelaide Airport
▲ N
6 kn NE
· 11 °C
Warnings
No warnings within 100 km.
State Wide
View all SA warnings
Temperature
Semaphore South
11 °C 17 °C 2pm 7 °C 6am
↓ Cooling
Now: 11 °C
Tides
Semaphore South
7:42pm 2.14m 1:46am 0.56m
↓ Falling
Current: 0.61m
Weather Now for Semaphore South
Possible shower.
11 °C
Feels like 8 °C
Wind
6 kn NE
Humidity
82%
Pressure
1023 hPa
At Adelaide Airport
Nearby Wind
50 km radius
N S W E 5 kn Edinburgh Airport 5 kn Mount Lofty 5 kn Noarlunga 5 kn Roseworthy Mount Barker 4 kn Kuitpo 5 kn Mount Crawford
Semaphore South
8 kn ENE
Recent Locations
Semaphore South
8 kn ENE
Newby Shoal -
Upper Horseshoe Creek -
Sun
7:06am rise 5:38pm set
10 h 32 m of daylight
Now: 1:04am
101 seconds more than yesterday
Moon
12:31amrise 11:00amset
54% illuminated
Last Quarter
Live Weather
Nearby
Outer Harbour, SA
8 kn ENE
Windiest in Australia
Gabo Island, VIC
23 kn W
 11°
Most Windless in Australia
Perth (Coastal), WA
Calm
10°
Hottest in Australia
Cocos Island, WA
5 kn NNE
 28°
Coldest in Australia
Glen Innes Airport, NSW
5 kn SE
 -4°
Wettest in Australia
Mount Baw Baw, VIC
 15.2 mm
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