Australian Government Bureau of Meteorology
New South Wales
Marine Wind Warning Summary for New South Wales
Issued at 04:05 PM EST on Saturday 20 April 2024
for the period until midnight EST Sunday 21 April 2024
Wind Warnings for Saturday 20 April
Strong Wind Warning for the following areas:
Byron Coast, Coffs Coast, Macquarie Coast, Hunter Coast, Sydney Coast and Illawarra Coast
Wind Warnings for Sunday 21 April
Strong Wind Warning for the following areas:
Byron Coast and Coffs Coast
The next marine wind warning summary will be issued by 4:10 am EST Sunday.
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Check the latest Coastal Waters Forecast or Local
Waters Forecast at http://www.bom.gov.au/nsw/forecasts/map.shtml for information on wind,
wave and weather conditions for these coastal zones.
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Forecast
Gwynneville (34.4165°S, 150.8851°E, 24m AMSL) set as my default location ›
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My MLA
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Current condition
TODAY15° 20° windy with showers Chance of rain: 90% Likely amount: 1-5mm First
lightLast light Sunrise Sunset 5:58am EST 6:23am EST 5:26pm EST 5:52pm EST NOW16.9° Feels Like: 11.6° Relative Humidity: 82% Dew: 13.8° Wind: SW 33km/h Gust: 39km/h Rainfall since 9am: 1.0mm Pressure: -
Today Weather
GwynnevilleNow17.2°cFeels Like:15.6°Wind:S 13km/hGusts:15km/hHumidity:76%15°Min20°MaxToday in GwynnevillePartly cloudy. Slight chance of a shower, becoming less likely later this evening. Winds S 15 to 25 km/h becoming light in the late evening.Tomorrow15°Min21°MaxMostly sunny. Light winds. Overnight temperatures falling to between 6 and 13 with daytime temperatures reaching between 18 and 22. -
Radar
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Popup Radar
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Warnings
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7 day forecast
Today: Partly cloudy. Slight chance of a shower, becoming less likely later this evening. Winds S 15 to 25 km/h becoming light in the late evening.
Forecast for Gwynneville (34.4165°S, 150.8851°E, 24m AMSL) Sat Sun Mon Tue Wed Thu Fri Summary Minimum 15° 15° 13° 15° 15° 15° 14° Maximum 20° 21° 22° 25° 25° 21° 20° Chance of rain 90% 10% 5% 5% 30% 40% 40% Likely amount 1-5mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm UV index Moderate Moderate Moderate Moderate Moderate Moderate Moderate Fire Danger Rating No Rating No Rating No Rating No Rating No Rating - - 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 44
(km/h)46
(km/h)20
(km/h)16
(km/h)8
(km/h)14
(km/h)16
(km/h)17
(km/h)12
(km/h)11
(km/h)17
(km/h)17
(km/h)20
(km/h)23
(km/h)Wind direction SSW SSW SSW S WSW ENE NNW NE NW NNW SW S SSW S Relative humidity 76% 82% 67% 65% 69% 68% 66% 61% 64% 60% 58% 56% 61% 62% Dew point 13°C 14°C 12°C 13°C 13°C 15°C 14°C 16°C 13°C 16°C 10°C 11°C 11°C 11°C -
28 Day Rainfall forecast
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12 Month Rainfall Forecast
Gwynneville Rain Forecast
Gwynneville 12-month Rainfall ForecastAprMayJunJulAugSepOctNovDecJanFebMar20242025976787669373105012 - 34 - 78 - 910Well below normalBelow normalNear normalAbove normalWell above normalIssue Notes - Issued Apr 16
ENSO status: Inactive. El Niño ended. IOD status: Neutral, becoming positive. SAM status: Positive, favouring positive. The El Niño Southern Oscillation (ENSO) has returned to an inactive phase for the first time since August 2021. Ocean cooling is occurring in the eastern Pacific, with 3 out of 7 global models forecasting a La Niña to develop in 2024. Warmer than normal waters are situated in the Coral Sea, providing moisture and humidity to the east coast. The atmosphere continues to be firmly neutral after weakening early in the year. A neutral ENSO typically has no significant impact on Australian rainfall during winter. The Indian Ocean Dipole (IOD) is in a neutral phase. Ocean temperatures are high across most of the Indian Ocean, and the IOD index is spiking in response. Persistent southeasterly winds have set in over the eastern Indian Ocean, signalling that the atmosphere is starting to respond to the ocean patterns. All international models are suggesting the IOD will strengthen into apositive phase over the next 2-3 months, with significant upwelling to start near Indonesia possibly in May. A positive IOD reduces the number of northwest cloudbands that cross Australia during winter and spring, reducing rainfall across central and southeastern parts of Australia. The Southern Annular Mode (SAM) is positive and will favour a positive phase during autumn and into winter. A positive SAM increases easterly winds, increasing rainfall and thunderstorm activity in the east. A positive SAM also reduces cold fronts and rainfall over southern Australia, particularly for southwest WA. Rainfall outlooks are showing below average rainfall over winter for WA, and the southwest coasts of SA, Vic and Tas. Conversely, above average rainfall is expected for eastern parts of Qld and NSW, and potentially eastern Tas.
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Popup - Daily historical
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Long range rainfall forecast
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Past 5 Days
Gwynneville Past 5 Days
This MonthMinimum Maximum Rainfall Tuesday
Apr 1614.4 °C 21.6 °C 0.2 mmWednesday
Apr 1716.8 °C 20.5 °C 0.0 mmThursday
Apr 1816.0 °C 21.3 °C 0.0 mmFriday
Apr 1912.3 °C 21.5 °C 0.0 mmSaturday
Apr 2014.2 °C 18.7 °C 6.0 mmLegend -
Almanac
Almanac
Gwynneville minimum temp history (34.4165°S, 150.8851°E, 24m AMSL) MAXIMUM TEMPERATURE MINIMUM TEMPERATURE Hottest this month 27.4° 02/04/2024 Coldest this month 11.3° 10/04/2024 Hottest on record 32.2 03/04/2005 Coldest on record 9.0 29/04/2008 Hottest this year 35.9° 26/01/2024 Coldest this year 11.3° 10/04/2024 Long term average 22.2° Long term average 15.7° Average this month 22.1° Average this month 15.7° Hottest April On Record Avg. max. temp. 23.8° 2005 Coldest April on record Avg. min. temp. 13.9° 2008 Gwynneville rainfall history (34.4165°S, 150.8851°E, 24m AMSL) RAINFALL Wettest This Month 194.8mm 06/04/2024 Total This Month 245.8mm
7.0 daysLong Term Average 110.0mm 11.1 days Wettest April on record 304.6mm 2004 Driest on record 4.4mm 2006 -
Year to Date
Gwynneville Year To Date
Average Rainfall To Apr 476.2mm 51.2 day(s) Total For 2024 493.4mm 45.0 day(s) Total To This Day 2023 499.0mm 50.0 day(s) Wettest Day 194.8mm Apr 6 Lowest Temperature 11.3°C Apr10 Highest Temperature 35.9°C Jan26 -
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Popup - Monthly historical
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Climatology
Climate History
Gwynneville Climatology
Gwynneville Long-Term Averages
Long-Term Averages Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann Mean Max (°C) 25.0 24.8 24.0 22.2 19.9 17.7 17.2 18.1 20.2 21.6 22.3 24.0 21.4 Mean Min (°C) 19.2 19.2 18.1 15.7 13.1 11.1 10.2 10.6 12.4 14.1 15.8 17.5 14.7 Mean Rain (mm) 86.6 145.9 133.7 110.0 67.1 108.7 88.3 91.2 60.1 84.0 102.9 80.5 1174.9 Mean Rain Days 12.6 13.3 14.2 11.1 8.4 9.9 8.6 8.0 9.1 11.6 12.6 12.3 130.7