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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 05:50 EST

    PAST 24 HOURS

    12.4 °C

    Feels like 10.0 °C
    Dew Point
    11.5 °C
    Gusts
    15km/h
    Relative Humidity
    94%
    Pressure
    1016.3hPa
    Wind
    NW 15km/h
    Rainfall
    6.4mm

    Sydney Ap

    Lucas Heights

    Canterbury

    Holsworthy Aerodrome

    Gymea Bay Saturday Forecast

    Windy
    Windy
    12 °C
    19 °C
    30%
    < 1mm
    Gymea Bay for Saturday
    Mostly sunny morning. The chance of fog in the outer W early this morning. Slight chance of a shower, most likely this afternoon. Winds W/SW 15 to 20 km/h tending S/SW 20 to 30 km/h in the middle of the day.
    Fire Danger
    No Rating
    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: Mostly sunny morning. The chance of fog in the outer W early this morning. Slight chance of a shower, most likely this afternoon. Winds W/SW 15 to 20 km/h tending S/SW 20 to 30 km/h in the middle of the day.

    Forecast for Gymea Bay (34.0482°S, 151.0861°E, 12m AMSL)
      Sat Sun Mon Tue Wed Thu Fri
    Summary Windy Mostly sunny Mostly sunny Mostly sunny Mostly sunny Mostly sunny Mostly sunny
    Minimum 12° 12° 11° 12° 15° 12° 12°
    Maximum 19° 18° 19° 21° 22° 19° 17°
    Chance of rain 30% 20% 20% 10% 20% 5% 10%
    Likely amount < 1mm < 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 - - -
    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 21
    (km/h)     		36
    (km/h)     		27
    (km/h)     		28
    (km/h)     		16
    (km/h)     		14
    (km/h)     		15
    (km/h)     		29
    (km/h)     		22
    (km/h)     		27
    (km/h)     		18
    (km/h)     		25
    (km/h)     		24
    (km/h)     		32
    (km/h)
    Wind direction W SSW SW SW WSW SE N NE NNW WNW WNW WNW NW WNW
    Relative humidity 70% 61% 62% 57% 68% 62% 77% 64% 54% 52% 52% 40% 51% 45%
    Dew point 10°C 11°C 6°C 9°C 9°C 12°C 11°C 14°C 11°C 9°C 5°C 5°C 5°C 5°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 New moon First quarter Full moon Last quarter
    6:00am EST 6:26am EST 5:30pm EST 5:56pm EST 6:24am EST 5:27pm EST New moon New moon Aug 23 First quarter Aug 31 Full moon Sep 08 Last quarter Sep 14

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  9. Tides graph

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  11. Gymea Bay Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Monday
    Aug 18     		6.4 °C 13.6 °C
    0.0 mm
    Tuesday
    Aug 19     		9.4 °C 14.8 °C
    26.6 mm
    Wednesday
    Aug 20     		11.0 °C 15.9 °C
    18.8 mm
    Thursday
    Aug 21     		12.4 °C 17.3 °C
    48.8 mm
    Friday
    Aug 22     		11.5 °C 16.8 °C
    28.0 mm
    Legend

  12. Almanac

    Gymea Bay minimum temp history (34.0482°S, 151.0861°E, 12m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 22.6° 05/08/2025 Coldest this month 6.4° 18/08/2025
    Hottest on record 31.1 24/08/1954 Coldest on record 1.2 09/08/1960
    Hottest this year 42.5° 28/01/2025 Coldest this year 5.8° 19/06/2025
    Long term average 18.5° Long term average 8.4°
    Average this month 16.8° Average this month 10.2°
    Hottest August On Record Avg. max. temp. 21.5° 2009 Coldest August on record Avg. min. temp. 5.8° 1960
    Gymea Bay rainfall history (34.0482°S, 151.0861°E, 12m AMSL)
    RAINFALL
    Wettest This Month 49.6mm 09/08/2025 Total This Month 319.6mm
    17.0 days
    Long Term Average 74.8mm 9.0 days Wettest August on record 396.6mm 1998
    Driest on record 0.2mm 1995

  13. Gymea Bay Year To Date

    Average Rainfall To Aug 812.6mm 87.7 day(s)
    Total For 2025 1134.2mm 117.0 day(s)
    Total To This Day 2024 1090.4mm 85.0 day(s)
    Wettest Day 72.4mm Jul 2
    Lowest Temperature 5.8°C Jun19
    Highest Temperature 42.5°C Jan28

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  2. Warnings

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