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BoM St Johns Marine Weather Forecast

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Forecast for Thursday, 22 October
Weather: Mostly sunny.
Winds: Variable about 10 knots becoming north to northwesterly 10 to 15 knots in the middle of the day then becoming west to northwesterly below 10 knots in the late afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 3 metres.
Forecast for Friday, 23 October
Weather: Partly cloudy.
Winds: Variable about 10 knots becoming southwesterly 10 to 15 knots in the early morning then tending southerly in the morning. Winds reaching up to 20 knots inshore in the evening.
Seas: Around 1 metre.
Swell: Southwesterly 3 metres.
Forecast for Saturday, 24 October
Weather: Cloudy. 90% chance of showers. The chance of a thunderstorm in the morning and afternoon.
Winds: Southerly about 10 knots increasing to 15 to 20 knots during the day.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the evening.
Swell: Southwesterly 3 metres.

Forecast for Thursday, 22 October
Weather: Mostly sunny.
Winds: North to northeasterly 10 to 15 knots becoming variable about 10 knots in the middle of the day then becoming southerly 15 to 20 knots in the late afternoon.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore later in the evening.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Friday, 23 October
Weather: Mostly sunny day. The chance of a thunderstorm inshore at night.
Winds: South to southeasterly 15 to 20 knots.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres by early evening.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Saturday, 24 October
Weather: Cloudy. 90% chance of showers. The chance of a thunderstorm in the morning.
Winds: Southeasterly 15 to 20 knots turning southerly 15 to 25 knots during the morning.
Seas: 1 to 2 metres.
Swell: Southwesterly 2.5 to 3 metres.

Forecast for Thursday, 22 October
Weather: Mostly sunny.
Winds: Variable about 10 knots.
Seas: Below 1 metre.
Swell: South to southwesterly below 1 metre.
Forecast for Friday, 23 October
Weather: Partly cloudy.
Winds: Variable below 10 knots becoming southerly 10 to 15 knots in the middle of the day. Winds reaching up to 20 knots near the Yorke Peninsula coast in the late evening.
Seas: Below 0.5 metres, increasing to around 1 metre around midday.
Swell: South to southwesterly below 1 metre.
Forecast for Saturday, 24 October
Weather: Partly cloudy. 95% chance of showers. The chance of a thunderstorm.
Winds: Southerly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the evening.
Swell: South to southwesterly below 1 metre.

Forecast for Thursday, 22 October
Weather: Mostly sunny.
Winds: East to northeasterly about 10 knots tending north to northeasterly 10 to 15 knots in the morning then becoming variable about 10 knots in the early afternoon.
Seas: Below 1 metre.
Swell: West to southwesterly 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
Forecast for Friday, 23 October
Weather: Partly cloudy.
Winds: Variable about 10 knots becoming south to southwesterly 10 to 15 knots in the middle of the day then tending south to southeasterly in the evening.
Seas: Below 0.5 metres, increasing to around 1 metre around midday.
Swell: West to southwesterly 1 to 2 metres.
Forecast for Saturday, 24 October
Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm in the afternoon.
Winds: Southeasterly 10 to 15 knots turning southerly 15 to 20 knots during the day.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the evening.
Swell: West to southwesterly 1 to 2 metres.

Forecast for Thursday, 22 October
Weather: Mostly sunny.
Winds: East to northeasterly 10 to 15 knots turning north to northwesterly in the late morning.
Seas: Around 1 metre.
Swell: Southwesterly 2.5 to 3 metres inshore, increasing to 3 to 4 metres offshore.
Forecast for Friday, 23 October
Weather: Partly cloudy.
Winds: Variable about 10 knots becoming south to southwesterly 10 to 15 knots in the early afternoon then decreasing to below 10 knots in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly 3 metres inshore, increasing to 3 to 4 metres offshore.
Forecast for Saturday, 24 October
Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Winds: Variable below 10 knots becoming southerly 10 to 15 knots during the day.
Seas: Below 1 metre.
Swell: Southwesterly 3 metres inshore, increasing to 3 to 4 metres offshore.

Forecast for Thursday, 22 October
Weather: Mostly sunny.
Winds: Variable about 10 knots becoming northwesterly 10 to 15 knots in the middle of the day then becoming variable about 10 knots in the early afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 3 metres.
Forecast for Friday, 23 October
Weather: Partly cloudy.
Winds: Variable below 10 knots becoming southwesterly 10 to 15 knots before dawn then tending southerly 15 to 20 knots in the morning.
Seas: Around 1 metre, increasing to 1 to 1.5 metres by early evening.
Swell: Southwesterly 3 metres.
Forecast for Saturday, 24 October
Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm in the morning and afternoon.
Winds: Southerly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the afternoon or evening.
Swell: Southwesterly 3 metres.

Forecast for Thursday, 22 October
Weather: Mostly sunny.
Winds: East to northeasterly 10 to 15 knots turning north to northwesterly during the morning and early afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 3 to 4 metres, decreasing to 3 metres during the morning.
Forecast for Friday, 23 October
Weather: Partly cloudy.
Winds: West to northwesterly about 10 knots tending southwesterly 10 to 15 knots in the early morning then tending southerly in the late afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 3 metres, increasing to 3 to 4 metres west of Kangaroo Island.
Forecast for Saturday, 24 October
Weather: Cloudy. 90% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Winds: Southerly about 10 knots increasing to 10 to 15 knots during the afternoon.
Seas: Below 0.5 metres, increasing to around 1 metre during the morning.
Swell: Southwesterly 3 metres.

Forecast for Thursday, 22 October
Weather: Partly cloudy.
Winds: Variable about 10 knots becoming north to northeasterly 10 to 15 knots in the morning then becoming variable about 10 knots in the early afternoon.
Seas: Below 1 metre.
Swell: South to southwesterly below 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.
Forecast for Friday, 23 October
Weather: Partly cloudy.
Winds: Variable about 10 knots becoming south to southwesterly 15 to 20 knots in the morning then tending south to southeasterly 10 to 15 knots in the late evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres inshore during the afternoon.
Swell: South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Forecast for Saturday, 24 October
Weather: Partly cloudy. 95% chance of showers. The chance of a thunderstorm.
Winds: Southerly 15 to 25 knots.
Seas: Around 1 metre, increasing to 1.5 metres during the evening.
Swell: South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.

Forecast for Thursday, 22 October
Weather: Mostly sunny.
Winds: East to northeasterly below 10 knots tending north to northeasterly 10 to 15 knots in the early morning then becoming variable about 10 knots in the middle of the day.
Seas: Below 1 metre.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Friday, 23 October
Weather: Partly cloudy.
Winds: Variable about 10 knots becoming southwesterly 10 to 15 knots in the middle of the day then tending southerly in the late afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Saturday, 24 October
Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Winds: Southerly about 10 knots increasing to 15 to 20 knots during the afternoon.
Seas: Around 1 metre, increasing to 1 to 1.5 metres inshore during the evening.
Swell: Southwesterly 3 metres.

Forecast for Thursday, 22 October
Weather: Partly cloudy.
Winds: Variable about 10 knots.
Seas: Below 1 metre.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Friday, 23 October
Weather: Partly cloudy. The chance of a thunderstorm at night.
Winds: Variable about 10 knots becoming southerly 15 to 20 knots in the early morning.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Saturday, 24 October
Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm in the morning and afternoon.
Winds: South to southeasterly 15 to 25 knots.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres inshore during the afternoon or evening.
Swell: Southwesterly 2.5 to 3 metres.
Nuriootpa
▲ N
7 kn ENE
· 18 °C
Warnings
No warnings within 100 km.
State Wide
View all SA warnings
Temperature
St Johns
18 °C 15 °C 3am 32 °C 1pm
↑ Warming
Now: 18 °C
Weather Now for St Johns
Partly cloudy.
18 °C
Feels like 16 °C
Wind
7 kn ENE
Humidity
68%
Pressure
1017 hPa
At Nuriootpa
Nearby Wind
50 km radius
N S W E 12 kn Roseworthy Eudunda 15 kn Mount Crawford Calm Edinburgh Airport
St Johns
7 kn ENE
Recent Locations
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7 kn ENE
 18°
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Sun
6:24am rise 7:33pm set
13 h 9 m of daylight
Now: 4:33am
123 seconds more than yesterday
Moon
3:32pmrise 4:00amset
79% illuminated
Waxing Gibbous
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