Australian Government Bureau of Meteorology
Tasmania
Marine Wind Warning Summary for Tasmania
Issued at 04:05 PM EST on Thursday 25 April 2024
for the period until midnight EST Friday 26 April 2024
Wind Warnings for Thursday 25 April
Strong Wind Warning for the following areas:
Frederick Henry Bay and Norfolk Bay, Storm Bay, Channel, Central Plateau Lakes, Upper East Coast, Lower East Coast, South East Coast and South West Coast
Cancellation for the following areas:
Central North Coast and East of Flinders Island
Wind Warnings for Friday 26 April
Strong Wind Warning for the following areas:
Lower East Coast, South East Coast and South West Coast
The next marine wind warning summary will be issued by 5:00 am EST Friday.
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Check the latest Coastal Waters Forecast or Local
Waters Forecast at http://www.bom.gov.au/tas/forecasts/map.shtml for information on wind,
wave and weather conditions for these coastal zones.
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Forecast
Cape Portland (40.7849°S, 147.9939°E, 24m AMSL) set as my default location ›
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My MLA
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Current condition
TODAY10° 15° mostly sunny Chance of rain: 5% Likely amount: < 1mm First
lightLast light Sunrise Sunset 6:19am EST 6:47am EST 5:21pm EST 5:49pm EST NOW14.4° Feels Like: 10.8° Relative Humidity: 54% Dew: 5.2° Wind: W 13km/h Gust: 17km/h Rainfall since 9am: 0.0mm Pressure: 1019.8hPa -
Today Weather
Cape PortlandNow14.7°cFeels Like:11.9°Wind:W 9km/hGusts:11km/hHumidity:54%10°Min15°MaxToday in Cape PortlandPartly cloudy. Winds SW 15 to 20 km/h becoming light in the evening.Tomorrow10°Min16°MaxSunny. Patches of frost and the chance of fog about higher ground in the morning. Light winds. Overnight temperatures falling to between 2 and 6 with daytime temperatures reaching between 14 and 19. -
Radar
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Popup Radar
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Warnings
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7 day forecast
Today: Partly cloudy. Winds SW 15 to 20 km/h becoming light in the evening.
Forecast for Cape Portland (40.7849°S, 147.9939°E, 24m AMSL) Thu Fri Sat Sun Mon Tue Wed Summary Minimum 10° 10° 12° 13° 15° 9° 10° Maximum 15° 16° 16° 16° 16° 13° 13° Chance of rain 5% 5% 10% 40% 20% 40% 40% Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm 1-5mm < 1mm UV index Moderate Moderate Moderate Moderate Moderate Low Low Fire Danger Rating No Rating No Rating Moderate Moderate Moderate - - 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 19
(km/h)9
(km/h)7
(km/h)11
(km/h)12
(km/h)27
(km/h)18
(km/h)26
(km/h)29
(km/h)24
(km/h)20
(km/h)19
(km/h)24
(km/h)25
(km/h)Wind direction W S W N WNW NW NW NNW WNW W WSW SSW SSW S Relative humidity 67% 51% 68% 60% 79% 67% 76% 69% 73% 54% 61% 50% 69% 61% Dew point 6°C 5°C 7°C 8°C 10°C 10°C 10°C 11°C 11°C 6°C 4°C 3°C 6°C 6°C -
28 Day Rainfall forecast
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12 Month Rainfall Forecast
Cape Portland Rain Forecast
Cape Portland 12-month Rainfall ForecastAprMayJunJulAugSepOctNovDecJanFebMar20242025756555666747105012 - 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
Cape Portland Past 5 Days
This MonthMinimum Maximum Rainfall Sunday
Apr 2114.2 °C 19.0 °C 0.0 mmMonday
Apr 2214.6 °C 18.4 °C 0.0 mmTuesday
Apr 2314.7 °C 20.5 °C 0.0 mmWednesday
Apr 248.4 °C 15.1 °C 15.0 mmThursday
Apr 259.2 °C 16.6 °C 0.0 mmLegend -
Almanac
Almanac
Cape Portland minimum temp history (40.7849°S, 147.9939°E, 24m AMSL) MAXIMUM TEMPERATURE MINIMUM TEMPERATURE Hottest this month 21.6° 01/04/2024 Coldest this month 8.4° 09/04/2024 Hottest on record 24.5 01/04/2014 Coldest on record 6.2 29/04/2008 Hottest this year 28.3° 13/02/2024 Coldest this year 8.4° 09/04/2024 Long term average 18.3° Long term average 12.8° Average this month 18.9° Average this month 13.1° Hottest April On Record Avg. max. temp. 19.6° 2016 Coldest April on record Avg. min. temp. 10.4° 2006 Cape Portland rainfall history (40.7849°S, 147.9939°E, 24m AMSL) RAINFALL Wettest This Month 22.6mm 02/04/2024 Total This Month 50.6mm
8.0 daysLong Term Average 45.4mm 12.8 days Wettest April on record 100.4mm 2003 Driest on record 13.6mm 2018 -
Year to Date
Cape Portland Year To Date
Average Rainfall To Apr 182.9mm 38.1 day(s) Total For 2024 97.2mm 26.0 day(s) Total To This Day 2023 229.0mm 41.0 day(s) Wettest Day 22.6mm Apr 2 Lowest Temperature 8.4°C Apr 9 Highest Temperature 28.3°C Feb13 -
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Popup - Monthly historical
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Climatology
Climate History
Cape Portland Climatology
Cape Portland Long-Term Averages
Long-Term Averages Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann Mean Max (°C) 21.1 21.3 20.5 18.3 15.9 14.1 13.3 13.5 14.7 16.0 17.8 19.5 17.2 Mean Min (°C) 15.1 15.4 14.6 12.8 10.8 9.3 8.5 8.3 9.2 10.3 11.9 13.4 11.6 Mean Rain (mm) 43.2 40.2 54.1 45.4 56.2 57.3 60.2 53.9 47.9 49.1 57.8 46.2 604.9 Mean Rain Days 7.9 8.1 9.3 12.8 15.0 16.7 17.5 16.9 13.1 11.8 11.3 9.7 147.6