Onsite Forecast @ Wednesday, 21-May-2025 05:00 AEST
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Next 3hr ( 12z ) Beaumaris Onsite WxSim Re-Forecast due on ( Wed 21 at 08:15 AEST )
WxSim-EUROMIX ( 100 % GFS Run ( 2025-05-20-12 Z ) and 0 % ECMWF Mix Run ( 06 Z ))
    Weather Situation : Upper East Coastal Waters Forecast from St Helens Point to Wineglass Bay : by : Bureau of Meteorology
    Wednesday
    WINDS : Northwesterly 10 to 15 knots.
    SEAS : Around 1 metre.
    SWELL : Northeasterly below 1 metre.
    SWELL2 :
    Weather : Mostly sunny.
    Thursday
    WINDS : Variable about 10 knots.
    SEAS : Below 1 metre.
    SWELL : South to southwesterly below 1 metre inshore, increasing to around 1 metre offshore.
    SWELL2 : Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
    Weather : Mostly sunny.
    Friday
    WINDS : North to northeasterly about 10 knots increasing to 15 to 20 knots during the morning.
    SEAS : Around 1 metre, increasing to 1 to 1.5 metres during the afternoon or evening.
    SWELL : Northeasterly 1.5 to 2 metres, increasing to 2 to 3 metres during the evening.
    SWELL2 : South to southwesterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
    Weather : Partly cloudy. 70% chance of showers.
    Issued: 5:00 am Wednesday May 21  |  Next issue: 4:05 pm Wednesday May 21
    Onsite Forecast @ Wednesday, 21-May-2025 05:00 AEST

    Today

    Mostly Cloudy
    Mostly Cloudy
    High: 19°


    Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Mild. High 19°. UV index up to 1. Wind west-northwest around 9 kph, gusting to 25 kph, in the morning, becoming north-northwest in the afternoon.


    Tonight

    Fog late
    Fog late
    Low: 5°


    Fair to partly cloudy in the evening, becoming clear after midnight. Patchy light fog after midnight. Low 5°. Wind west around 5 kph.


    Thursday

    Fog a.m.
    Fog a.m.
    High: 18°


    Sunny. Patchy light fog in the morning. Mild. High 18°. UV index up to 1. Wind south-southwest around 3 kph in the morning, becoming southeast in the afternoon.


    Thursday
    night
    Partly Cloudy
    Partly Cloudy
    Low: 6°


    Clear in the evening, becoming fair to partly cloudy after midnight. Low 6°. Wind west-southwest near calm.


    Friday

    Chance rain
    Chance rain
    High: 18°


    Mostly cloudy in the morning, becoming dense overcast in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. Mild. High 18°. UV index up to 1. Wind east-northeast near calm in the morning, becoming 9 kph in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.


    Friday
    night
    Rain likely
    Rain likely
    Low: 13°


    Dense overcast in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog in the evening, then moderate fog after midnight. Rain likely in the evening, then a chance of rain after midnight. Relatively mild. Low 13°. Wind east around 16 kph, gusting to 36 kph. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.


    Saturday

    Fog a.m.
    Fog a.m.
    High: 18°


    Partly to mostly cloudy. Moderate fog in the morning, then patchy light fog in the afternoon. A slight chance of rain. Mild. High 18°. UV index up to 1. Wind northwest around 8 kph in the morning, becoming 16 kph, gusting to 32 kph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.


    Saturday
    night
    Mostly Cloudy
    Mostly Cloudy
    Low: 11°


    Mostly cloudy to cloudy in the evening, becoming partly to mostly cloudy after midnight. A slight chance of rain. Breezy. Low 11°. Wind west-northwest around 22 kph, gusting to 35 kph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.


    Sunday

    Mostly Cloudy
    Mostly Cloudy
    High: 16°


    Mostly sunny in the morning, becoming partly to mostly cloudy in the afternoon. A slight chance of rain in the afternoon. Breezy. High 16°. UV index up to 1. Wind northwest around 26 kph, gusting to 42 kph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.


    Sunday
    night
    Rain likely
    Rain likely
    Low: 9°


    Partly to mostly cloudy. Rain likely. Windy. Low 9°. Wind northwest around 34 kph, gusting to 50 kph, in the evening, becoming 27 kph, gusting to 48 kph, after midnight. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.


    Monday

    Rain likely
    Rain likely
    High: 12°


    Dense overcast in the morning, becoming partly to mostly sunny in the afternoon. Patchy light fog in the morning. Rain likely in the morning, then a slight chance of rain in the afternoon. Breezy. High 12°. UV index up to 1. Wind north-northwest around 19 kph, gusting to 34 kph, in the morning, becoming 27 kph, gusting to 43 kph, in the afternoon. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.


    Monday
    night
    Fair
    Fair
    Low: 6°


    Fair. A slight chance of rain after midnight. Breezy. Low 6°. Wind chill ranging from 3 to 7. Wind west around 22 kph, gusting to 44 kph. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.


    Tuesday

    Partly Cloudy
    Partly Cloudy
    High: 11°


    Partly to mostly sunny in the morning, becoming partly cloudy in the afternoon. A slight chance of rain in the afternoon. Windy. High 11°. UV index up to 1. Wind southwest around 30 kph, gusting to 45 kph, in the morning, becoming 22 kph, gusting to 40 kph, in the afternoon. Chance of precipitation less than 20 percent. Precipitation mostly less than 2 mm.


    Tuesday
    night
    Partly Cloudy
    Partly Cloudy
    Low: 6°


    Partly cloudy in the evening, becoming fair to partly cloudy after midnight. Breezy. Low 6°. Wind southwest around 18 kph, gusting to 32 kph.


    Wednesday

    Sunny
    Sunny
    High: 12°


    Sunny. High 12°. UV index up to 1. Wind southwest around 13 kph in the morning, becoming 6 kph in the afternoon.


    East Coast / Beaumaris - Forecast by  Bureau of Meteorology
    Day / SummaryBeaumaris / East Coast Forecast / Detail
    Forecast for the rest of Wednesday
    Forecast for the rest of Wednesday
    5 °C    17 °C
    0 mm
    Forecast for the rest of Wednesday

    Mostly sunny. Areas of morning frost. The chance of morning fog about higher ground. Light winds. Daytime maximum temperatures between 12 and 16.

    Thursday 22 May
    Thursday 22 May
    5 °C    17 °C
    0 mm
    Thursday 22 May

    Sunny. Areas of morning frost. The chance of morning fog about higher ground. Light winds. Overnight temperatures falling to between zero and 6 with daytime temperatures reaching between 13 and 17.

    Friday 23 May
    Friday 23 May
    7 °C    18 °C
    1 to 10 mm
    Friday 23 May

    Cloudy. Areas of morning frost about higher ground. The chance of morning fog. Medium chance of showers, most likely in the afternoon and evening. Light winds becoming northeasterly 15 to 20 km/h during the day. Overnight temperatures falling to between zero and 7 with daytime temperatures reaching between 14 and 19.

    Saturday 24 May
    Saturday 24 May
    13 °C    18 °C
    2 to 15 mm
    Saturday 24 May

    Cloudy. Very high chance of showers, most likely in the morning and afternoon. Winds northeasterly 15 to 20 km/h becoming light during the morning then becoming west to northwesterly 15 to 25 km/h during the day. Overnight temperatures falling to between 7 and 12 with daytime temperatures reaching between 14 and 18.

    Sunday 25 May
    Sunday 25 May
    11 °C    17 °C
    0 to 6 mm
    Sunday 25 May



    Monday 26 May
    Monday 26 May
    9 °C    16 °C
    0 to 8 mm
    Monday 26 May



    Tuesday 27 May
    Tuesday 27 May
    8 °C    13 °C
    0 to 1 mm
    Tuesday 27 May



    Below are 30 Min (interval) charts of our 8 day forecast.
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    Onsite Forecast @ Wednesday, 21-May-2025 05:00 AEST

    Onsite Risk Assessment, initialized at 5:00 21 May, 2025
    unavailable    Significant Rain
    There is a 80 percent chance of rain Friday Night. The rain will be heavy at times. Total rainfall of between 10 and 20 millimeters are possible.
    unavailable    Wind Gust
    Gusty winds at 42 kph are forecast for Sunday.
    Gusty winds at 50 kph are forecast for Sunday Night.
    Gusty winds at 44 kph are forecast for Monday Night.
    Gusty winds at 45 kph are forecast for Tuesday.
      
    See bom.gov.au for official Tasmania Weather Warnings.
      
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