Australian Government Bureau of Meteorology
South Australia
Marine Wind Warning Summary for South Australia
Issued at 11:20 AM CDT on Sunday 21 December 2025
for the period until midnight CDT Sunday 21 December 2025
Wind Warnings for Sunday 21 December
Strong Wind Warning for the following areas:
Adelaide Metropolitan Waters, Central Coast, Spencer Gulf and Gulf St Vincent
Cancellation for the following areas:
Far West Coast, Upper West Coast and Lower West Coast
The next marine wind warning summary will be issued by 3:30 pm CDT Sunday.
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Check the latest Coastal Waters Forecast or Local
Waters Forecast at http://www.bom.gov.au/sa/forecasts/map.shtml for information on wind,
wave and weather conditions for these coastal zones.
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Forecast
Whyalla (33.0348°S, 137.5855°E, 18m AMSL) set as my default location ›
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7 day forecast
Today: Mostly sunny. Winds W/SW 25 to 40 km/h turning S 30 to 45 km/h in the late afternoon then decreasing to 25 to 35 km/h in the late evening. Daytime maximum temperatures 26 to 31.
Forecast for Whyalla (33.0348°S, 137.5855°E, 18m AMSL) Sun Mon Tue Wed Thu Fri Sat Summary 
Minimum 19° 15° 16° 15° 15° 15° 17° Maximum 30° 24° 25° 25° 26° 29° 34° Chance of rain 20% 60% 40% 5% 5% 5% 5% Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme Fire Danger Rating High High High High - - - Frost risk Nil Nil Nil Nil Nil Nil Nil 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm Wind speed 28
(km/h)32
(km/h)21
(km/h)32
(km/h)23
(km/h)34
(km/h)25
(km/h)36
(km/h)31
(km/h)36
(km/h)21
(km/h)25
(km/h)11
(km/h)19
(km/h)Wind direction WSW SW SSW S SSW SSW S SSW SSE SSW SE S E SSE Relative humidity 51% 32% 56% 50% 69% 49% 62% 49% 61% 40% 43% 29% 32% 20% Dew point 12°C 12°C 10°C 13°C 14°C 13°C 12°C 13°C 11°C 11°C 7°C 9°C 8°C 8°C -
Sunrise and sunset times
Sunrise / Sunset for Whyalla (33.0348°S, 137.5855°E, 18m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase First quarter Full moon Last quarter New moon 5:39am CDT 6:08am CDT 8:28pm CDT 8:57pm CDT 6:37am CDT 9:43pm CDT 
Waxing crescent
First quarter Dec 28 Full moon Jan 03 Last quarter Jan 11 New moon Jan 19 -
Warnings
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Temperature for next 7 days
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Rain for next 7 days
