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Gymea Bay (34.0482°S, 151.0861°E, 12m AMSL) set as my default location ›

  2. Gymea Bay Local Weather

    34.05°S, 151.09°E
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    Now in Gymea Bay

    Updated at 15:40 EST

    PAST 24 HOURS

    18.0 °C

    Feels like 12.0 °C
    Dew Point
    10.4 °C
    Gusts
    37km/h
    Relative Humidity
    61%
    Pressure
    1025.9hPa
    Wind
    S 32km/h
    Rainfall
    0.4mm

    Sydney Ap

    Lucas Heights

    Canterbury

    Holsworthy Aerodrome

    Gymea Bay Thursday Forecast

    Windy with showers
    Windy with showers
    17 °C
    20 °C
    80%
    < 1mm
    Gymea Bay for Thursday
    Partly cloudy. Medium chance of showers along the coastal fringe this morning. Winds S 20 to 30 km/h turning SW 15 to 20 km/h in the evening.
    Fire Danger
    Moderate
    DAM LEVELS

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  4. Gymea Bay 48 HOUR FORECAST

    TEMP WIND RAIN CHANCE

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  6. 7 day forecast

    Today: Partly cloudy. Medium chance of showers along the coastal fringe this morning. Winds S 20 to 30 km/h turning SW 15 to 20 km/h in the evening.

    Forecast for Gymea Bay (34.0482°S, 151.0861°E, 12m AMSL)
      Thu Fri Sat Sun Mon Tue Wed
    Summary Windy with showers Possible shower Clearing shower Possible shower Late shower Rain Rain
    Minimum 17° 15° 16° 17° 17° 17° 17°
    Maximum 20° 19° 22° 22° 22° 22° 21°
    Chance of rain 80% 60% 40% 50% 60% 90% 90%
    Likely amount < 1mm 1-5mm < 1mm 1-5mm 1-5mm 5-10mm 5-10mm
    UV index Moderate Moderate Moderate Moderate Moderate Moderate Moderate
    Fire Danger Rating Moderate 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 30
    (km/h)     		27
    (km/h)     		23
    (km/h)     		20
    (km/h)     		11
    (km/h)     		18
    (km/h)     		12
    (km/h)     		17
    (km/h)     		11
    (km/h)     		15
    (km/h)     		17
    (km/h)     		22
    (km/h)     		16
    (km/h)     		20
    (km/h)
    Wind direction S S SSW S SSE ESE E E W ESE SSW SSE SSW SSE
    Relative humidity 72% 56% 70% 68% 71% 62% 73% 68% 80% 71% 81% 77% 79% 73%
    Dew point 14°C 10°C 11°C 13°C 14°C 15°C 15°C 16°C 16°C 17°C 17°C 18°C 16°C 16°C

  7. Sunrise and sunset times

    Sunrise / Sunset for Gymea Bay (34.0482°S, 151.0861°E, 12m AMSL)
    First light Sunrise Sunset Last light Moon rise Moon set Moon phase Full moon Last quarter New moon First quarter
    6:08am EST 6:35am EST 5:08pm EST 5:35pm EST 2:47pm EST 2:16am EST Waxing gibbous Full moon May 13 Last quarter May 20 New moon May 27 First quarter Jun 03

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  9. Tides graph

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  11. Gymea Bay Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Sunday
    May 04     		12.6 °C 23.1 °C
    0.0 mm
    Monday
    May 05     		15.9 °C 24.6 °C
    0.6 mm
    Tuesday
    May 06     		15.3 °C 26.0 °C
    0.0 mm
    Wednesday
    May 07     		15.4 °C 27.4 °C
    0.0 mm
    Thursday
    May 08     		15.9 °C 19.5 °C
    0.4 mm
    Legend

  12. Almanac

    Gymea Bay minimum temp history (34.0482°S, 151.0861°E, 12m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 27.4° 07/05/2025 Coldest this month 11.8° 02/05/2025
    Hottest on record 30.0 13/05/1957 Coldest on record 3.0 22/05/1965
    Hottest this year 42.5° 28/01/2025 Coldest this year 11.8° 02/05/2025
    Long term average 20.2° Long term average 11.1°
    Average this month 22.5° Average this month 14.0°
    Hottest May On Record Avg. max. temp. 23.4° 2016 Coldest May on record Avg. min. temp. 7.8° 1957
    Gymea Bay rainfall history (34.0482°S, 151.0861°E, 12m AMSL)
    RAINFALL
    Wettest This Month 21.4mm 02/05/2025 Total This Month 34.0mm
    5.0 days
    Long Term Average 97.3mm 10.9 days Wettest May on record 421.7mm 1943
    Driest on record 2.9mm 1957

  13. Gymea Bay Year To Date

    Average Rainfall To May 540.1mm 57.9 day(s)
    Total For 2025 485.0mm 62.0 day(s)
    Total To This Day 2024 578.2mm 44.0 day(s)
    Wettest Day 37.2mm Jan 9
    Lowest Temperature 11.8°C May 2
    Highest Temperature 42.5°C Jan28

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  2. Warnings

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