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BoM Semaphore Marine Weather Forecast

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Forecast for Wednesday, 29 July
Weather: Cloudy.
Winds: South to southwesterly about 10 knots.
Seas: Below 1 metre.
Swell: Southwesterly 4 to 5 metres.
Forecast for Thursday, 30 July
Weather: Cloudy.
Winds: Variable below 10 knots.
Seas: Below 0.5 metres.
Swell: Southwesterly 3 to 4 metres, decreasing to 2 to 3 metres during the morning. Below 0.5 metres, tending southerly 1 to 1.5 metres during the morning.
Forecast for Friday, 31 July
Weather: Cloudy.
Winds: East to northeasterly below 10 knots tending north to northeasterly 10 to 15 knots before dawn.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 2.5 metres. Southeasterly around 1 metre.
Forecast for Saturday, 1 August
Weather: Partly cloudy.
Winds: Northerly 15 to 20 knots increasing to 15 to 25 knots during the morning.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
Swell: Southwesterly 2 metres, increasing to 2 to 3 metres during the morning.

Forecast for Wednesday, 29 July
Weather: Partly cloudy.
Winds: East to southeasterly below 10 knots.
Seas: Below 1 metre.
Swell: Southerly 4 metres.
Forecast for Thursday, 30 July
Weather: Cloudy.
Winds: East to northeasterly about 10 knots tending north to northeasterly 10 to 15 knots in the morning then tending east to northeasterly in the late afternoon.
Seas: Below 1 metre.
Swell: Southerly 3 to 4 metres, decreasing to 3 metres during the morning, then tending south to southwesterly 2 to 2.5 metres around midday.
Forecast for Friday, 31 July
Weather: Partly cloudy.
Winds: Northeasterly 15 to 20 knots.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres around midday, then increasing to 1.5 to 2 metres later in the evening.
Forecast for Saturday, 1 August
Weather: Sunny.
Winds: Northeasterly 15 to 20 knots turning northerly 15 to 25 knots during the morning.
Seas: 1 to 2 metres, decreasing to 1 metre during the evening.
Swell: Southwesterly 1.5 to 2.5 metres.

Forecast for Wednesday, 29 July
Weather: Partly cloudy.
Winds: South to southwesterly below 10 knots.
Seas: Below 1 metre.
Swell: Southeast to southwesterly below 0.5 metres.
Forecast for Thursday, 30 July
Weather: Partly cloudy.
Winds: Variable below 10 knots.
Seas: Below 0.5 metres.
Swell: West to southwesterly below 0.5 metres.
Forecast for Friday, 31 July
Weather: Partly cloudy.
Winds: Variable about 10 knots.
Seas: Below 0.5 metres.
Swell: West to southwesterly below 0.5 metres.
Forecast for Saturday, 1 August
Weather: Partly cloudy.
Winds: Northeasterly 10 to 15 knots turning northerly during the morning.
Seas: Around 1 metre.
Swell: West to southwesterly below 0.5 metres.

Forecast for Wednesday, 29 July
Weather: Partly cloudy.
Winds: South to southwesterly about 10 knots.
Seas: Below 1 metre.
Swell: West to southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres through the Backstairs Passage.
Forecast for Thursday, 30 July
Weather: Cloudy.
Winds: Variable below 10 knots.
Seas: Below 0.5 metres.
Swell: West to southwesterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Forecast for Friday, 31 July
Weather: Partly cloudy.
Winds: North to northeasterly about 10 knots.
Seas: Below 0.5 metres.
Swell: West to southwesterly below 1 metre.
Forecast for Saturday, 1 August
Weather: Partly cloudy.
Winds: Northeasterly 10 to 15 knots tending northerly 15 to 20 knots during the morning.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: West to southwesterly around 1 metre.

Forecast for Wednesday, 29 July
Weather: Cloudy.
Winds: Southwesterly 10 to 15 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres south of Port MacDonnell.
Swell: Southwesterly 4 to 5 metres. Southerly below 0.5 metres, increasing to 1 to 1.5 metres by early evening, then increasing to 1.5 to 2 metres later in the evening.
Forecast for Thursday, 30 July
Weather: Cloudy. 50% chance of showers.
Winds: West to southwesterly 10 to 15 knots decreasing to below 10 knots in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly 4 metres, decreasing to 2.5 to 3 metres during the morning. Southerly 1.5 to 2 metres, decreasing to 1.5 metres around midday, then decreasing to around 1 metre by early evening.
Forecast for Friday, 31 July
Weather: Cloudy.
Winds: Westerly below 10 knots becoming north to northwesterly in the early morning.
Seas: Below 0.5 metres.
Swell: Southwesterly 2 to 2.5 metres. Southeasterly around 1 metre.
Forecast for Saturday, 1 August
Weather: Cloudy.
Winds: Northerly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 2 to 3 metres, increasing to 3 to 4 metres south of Port MacDonnell during the afternoon.

Forecast for Wednesday, 29 July
Weather: Partly cloudy.
Winds: South to southeasterly below 10 knots.
Seas: Below 1 metre.
Swell: Southwesterly 4 to 5 metres.
Forecast for Thursday, 30 July
Weather: Cloudy.
Winds: Variable below 10 knots.
Seas: Below 0.5 metres.
Swell: Southwesterly 3 to 4 metres, decreasing to 2 to 3 metres during the morning.
Forecast for Friday, 31 July
Weather: Partly cloudy.
Winds: East to northeasterly about 10 knots tending north to northeasterly 10 to 15 knots before dawn.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 to 2 metres. South to southeasterly around 1 metre.
Forecast for Saturday, 1 August
Weather: Sunny.
Winds: Northeasterly 10 to 15 knots turning northerly 15 to 25 knots during the morning.
Seas: Around 1 metre, increasing to 1 to 2 metres during the morning.
Swell: Southwesterly 2 to 2.5 metres.

Forecast for Wednesday, 29 July
Weather: Partly cloudy.
Winds: Southwesterly 10 to 15 knots decreasing to about 10 knots in the late afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 4 to 5 metres.
Forecast for Thursday, 30 July
Weather: Cloudy.
Winds: South to southwesterly below 10 knots.
Seas: Below 1 metre.
Swell: Southwesterly 3 to 4 metres, decreasing to 2.5 to 3 metres during the morning. Southerly 1 to 1.5 metres.
Forecast for Friday, 31 July
Weather: Cloudy.
Winds: Variable below 10 knots becoming northerly 10 to 15 knots in the morning.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 2.5 metres. Southeasterly around 1 metre.
Forecast for Saturday, 1 August
Weather: Cloudy.
Winds: Northerly 15 to 25 knots.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
Swell: Southwesterly 2 metres, increasing to 2 to 3 metres during the morning.

Forecast for Wednesday, 29 July
Weather: Partly cloudy.
Winds: South to southwesterly about 10 knots.
Seas: Below 1 metre.
Swell: South to southwesterly 1 to 2 metres, increasing to 2 to 3 metres south of Cowell to Wallaroo.
Forecast for Thursday, 30 July
Weather: Partly cloudy.
Winds: Variable below 10 knots.
Seas: Below 0.5 metres.
Swell: South to southwesterly 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres by early evening.
Forecast for Friday, 31 July
Weather: Partly cloudy.
Winds: Variable about 10 knots becoming northeasterly 10 to 15 knots in the evening.
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 Saturday, 1 August
Weather: Sunny.
Winds: North to northeasterly 15 to 20 knots.
Seas: Around 1 metre.
Swell: South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.

Forecast for Wednesday, 29 July
Weather: Partly cloudy.
Winds: Southwesterly 10 to 15 knots decreasing to about 10 knots in the evening.
Seas: Below 1 metre.
Swell: Southwesterly 4 to 5 metres.
Forecast for Thursday, 30 July
Weather: Cloudy.
Winds: South to southwesterly below 10 knots.
Seas: Below 1 metre.
Swell: Southwesterly 3 to 4 metres, decreasing to 2.5 to 3 metres during the morning. Southerly around 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to around 1 metre by early evening.
Forecast for Friday, 31 July
Weather: Partly cloudy.
Winds: North to northeasterly below 10 knots increasing to 10 to 15 knots in the late afternoon.
Seas: Below 0.5 metres.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Saturday, 1 August
Weather: Cloudy.
Winds: Northerly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore during the morning.
Swell: Southwesterly 2 metres, increasing to 2 to 3 metres during the morning.

Forecast for Wednesday, 29 July
Weather: Partly cloudy.
Winds: South to southeasterly about 10 knots.
Seas: Below 1 metre.
Swell: Southwesterly 4 metres.
Forecast for Thursday, 30 July
Weather: Cloudy.
Winds: East to northeasterly below 10 knots.
Seas: Below 0.5 metres.
Swell: Southwesterly 3 to 4 metres, decreasing to 2.5 to 3 metres during the morning.
Forecast for Friday, 31 July
Weather: Partly cloudy.
Winds: Northeasterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres by early evening. South to southeasterly around 1 metre.
Forecast for Saturday, 1 August
Weather: Sunny.
Winds: Northeasterly 15 to 20 knots turning northerly during the morning.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 1.5 to 2.5 metres.
Outer Harbour
▲ N
9 kn SSW
· 13 °C
Warnings
No warnings within 100 km.
State Wide
View all SA warnings
Temperature
Semaphore
13 °C 14 °C 2pm 7 °C 11pm
↓ Cooling
Now: 13 °C
Tides
Semaphore
10:35am 0.91m 4:55pm 2.66m
↑ Rising
Current: 2.54m
Weather Now for Semaphore
Partly cloudy.
13 °C
Feels like 9 °C
Wind
9 kn SSW
Humidity
70%
Pressure
1028 hPa
At Edinburgh Airport
Nearby Wind
50 km radius
N S W E 11 kn Edinburgh Airport Calm Mount Lofty 6 kn Noarlunga 10 kn Roseworthy Mount Barker 3 kn Kuitpo 5 kn Mount Crawford
Semaphore
9 kn SSW
Recent Locations
Semaphore
9 kn SSW
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 24°
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 22°
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 11°
Stanmore
Calm
22°
Mackenzie -
Sun
7:13am rise 5:32pm set
10 h 19 m of daylight
Now: 3:52pm
89 seconds more than yesterday
Moon
5:01pm rise 7:01am set
100% illuminated
Full Moon
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