Australian Government Bureau of Meteorology
South Australia
Marine Wind Warning Summary for South Australia
Issued at 03:50 PM CST on Tuesday 23 April 2024
for the period until midnight CST Tuesday 23 April 2024
Wind Warnings for Tuesday 23 April
Strong Wind Warning for the following areas:
Adelaide Metropolitan Waters, Central Coast, South Central Coast, Spencer Gulf, Gulf St Vincent and Upper South East Coast
Cancellation for the following areas:
Lower West Coast, Investigator Strait and Lower South East Coast
The next marine wind warning summary will be issued by 5:10 am CST Wednesday.
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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
Hewett (34.575°S, 138.7496°E, 71m AMSL) set as my default location ›
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My MLA
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Current condition
TOMORROW7° 19° mostly sunny Chance of rain: 5% Likely amount: < 1mm First
lightLast light Sunrise Sunset 6:20am CST 6:46am CST 5:41pm CST 6:06pm CST NOW14.6° Feels Like: 10.0° Relative Humidity: 67% Dew: 8.5° Wind: SW 22km/h Gust: 28km/h Rainfall since 9am: 0.0mm Pressure: 1021.5hPa -
Today Weather
HewettNow15.0°cFeels Like:7.2°Wind:SW 37km/hGusts:44km/hHumidity:61%7°Min19°MaxToday in HewettPartly cloudy. Winds S 20 to 30 km/h. Overnight temperatures falling to between 5 and 8 with daytime temperatures reaching between 16 and 19.Tomorrow7°Min19°MaxPartly cloudy. Light winds becoming S 20 to 30 km/h in the morning then becoming light in the late evening. Overnight temperatures falling to between 3 and 6 with daytime temperatures reaching between 17 and 20. -
Radar
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Popup Radar
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Warnings
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7 day forecast
Today: Partly cloudy. Winds S 20 to 30 km/h. Overnight temperatures falling to between 5 and 8 with daytime temperatures reaching between 16 and 19.
Forecast for Hewett (34.575°S, 138.7496°E, 71m AMSL) Wed Thu Fri Sat Sun Mon Tue Summary Minimum 7° 5° 5° 5° 6° 9° 6° Maximum 19° 19° 19° 20° 24° 22° 20° Chance of rain 5% 20% 5% 5% 10% 30% 5% Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm UV index Moderate Moderate Moderate Moderate Moderate Moderate Moderate Fire Danger Rating Moderate Moderate Moderate Moderate - - - Frost risk Nil Slight Slight Slight Nil Nil Nil 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm Wind speed 17
(km/h)21
(km/h)9
(km/h)22
(km/h)12
(km/h)15
(km/h)15
(km/h)11
(km/h)13
(km/h)17
(km/h)10
(km/h)18
(km/h)23
(km/h)21
(km/h)Wind direction S SW NW SW E SSW ENE WSW NE W ENE SW ESE SE Relative humidity 53% 44% 66% 54% 66% 47% 59% 37% 42% 31% 53% 45% 62% 41% Dew point 5°C 6°C 7°C 10°C 7°C 7°C 5°C 5°C 3°C 6°C 7°C 10°C 6°C 6°C -
28 Day Rainfall forecast
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12 Month Rainfall Forecast
Hewett Rain Forecast
Hewett 12-month Rainfall ForecastAprMayJunJulAugSepOctNovDecJanFebMar202420254575466109888105012 - 34 - 78 - 910Well below normalBelow normalNear normalAbove normalWell above normalIssue Notes - Issued Apr 23
ENSO status: Inactive/Neutral. El Niño ended. IOD status: Neutral, becoming strongly positive. SAM status: Leading to neutral and returning positive. The El Niño Southern Oscillation (ENSO) is presently in an inactive phase, for the first time since August 2021. Ocean cooling continues over the eastern Pacific Ocean as sea surface temperatures approach near-normal conditions. Warmer than normal waters are present across the western Pacific Ocean, including the Coral Sea with added moisture and humidity to influence weather conditions in the eastern regions of Australia. The atmosphere continues to be firmly neutral after weakening early in the year with 3 out of 7 global models forecasting a La Niña to develop this coming winter season. A neutral ENSO typically has no significant impact on Australian rainfall during winter. The Indian Ocean Dipole (IOD) is in a neutral phase, although record-high ocean temperatures across the northwest Indian Ocean have the IOD index just tipping into a positivethreshold value. Persistent southeasterly winds over the eastern Indian Ocean during the previous month are forecast to ease with below-average wind speeds to develop off northwest Australia and the eastern Indian Ocean during the winter season. All international models are suggesting the IOD will strengthen into a strong positive phase over the next 2-3 months, with significant upwelling to start near Indonesia possibly following May. A positive IOD reduces the number of northwest cloudbands that cross Australia during winter and spring, thus reducing rainfall across central and southeastern parts of Australia. The Southern Annular Mode (SAM) is currently positive (mid-April) with the outlook favouring a neutral phase forecast in May and then the likelihood of returning to a positive phase during winter. A positive SAM increases easterly winds, increasing rainfall and thunderstorm activity in the east. A positive SAM also reduces the impact of cold fronts and decreases the rainfall over southernAustralia. Rainfall outlooks are showing above-average rainfall over winter for WA and central and northern SA, and eastern regions of QLD and NSW. Conversely, below-average rainfall is expected for western TAS, southern SA, and most of VIC.
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Popup - Daily historical
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Long range rainfall forecast
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Past 5 Days
Hewett Past 5 Days
This MonthMinimum Maximum Rainfall Friday
Apr 1911.8 °C 20.6 °C 2.8 mmSaturday
Apr 203.2 °C 22.0 °C 0.0 mmSunday
Apr 213.2 °C 23.2 °C 0.0 mmMonday
Apr 224.7 °C 27.8 °C 0.0 mmTuesday
Apr 2311.1 °C 28.9 °C 0.0 mmLegend -
Almanac
Almanac
Hewett minimum temp history (34.575°S, 138.7496°E, 71m AMSL) MAXIMUM TEMPERATURE MINIMUM TEMPERATURE Hottest this month 28.9° 23/04/2024 Coldest this month 3.2° 20/04/2024 Hottest on record 38.9 09/04/2005 Coldest on record 1.0 22/04/1999 Hottest this year 43.4° 23/01/2024 Coldest this year 3.2° 20/04/2024 Long term average 24.2° Long term average 10.6° Average this month 22.4° Average this month 7.8° Hottest April On Record Avg. max. temp. 27.0° 2005 Coldest April on record Avg. min. temp. 6.6° 1999 Hewett rainfall history (34.575°S, 138.7496°E, 71m AMSL) RAINFALL Wettest This Month 2.8mm 19/04/2024 Total This Month 3.0mm
2.0 daysLong Term Average 29.7mm 7.8 days Wettest April on record 80.8mm 2007 Driest on record 1.2mm 2019 -
Year to Date
Hewett Year To Date
Average Rainfall To Apr 82.2mm 19.4 day(s) Total For 2024 27.6mm 7.0 day(s) Total To This Day 2023 30.6mm 15.0 day(s) Wettest Day 15.6mm Jan 7 Lowest Temperature 3.2°C Apr20 Highest Temperature 43.4°C Jan23 -
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Popup - Monthly historical
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Climatology
Climate History
Hewett Climatology
Hewett Long-Term Averages
Long-Term Averages Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann Mean Max (°C) 31.9 31.0 28.3 24.2 19.8 16.2 15.5 16.5 19.9 23.8 27.3 29.6 23.5 Mean Min (°C) 15.0 14.7 12.9 10.6 8.6 6.6 5.7 5.3 6.3 7.9 10.6 12.7 9.7 Mean Rain (mm) 18.5 17.8 16.2 29.7 40.7 44.3 42.8 44.2 45.6 33.5 29.4 24.3 382.8 Mean Rain Days 4.1 3.2 4.3 7.8 11.4 13.6 15.5 15.4 12.8 9.0 7.3 6.2 110.3