FQAU23 AMMC 082100

IDY10220

SECURITE



High Seas Forecast for Western METAREA 10

12S TO 30S BETWEEN 90E AND 125E, AND 30S TO 50S BETWEEN 80E AND 129E



Issued by the Australian Government Bureau of Meteorology

For 24 hours commencing 2300 UTC 8 May 2025



Part 1 Warnings

Melbourne Storm Force Wind Warning 9.



Part 2 Situation at 1800 UTC

Cold front [1] near 44S080E 47S083E 50S081E. Forecast decaying near 44S103E

48S106E 50S106E at 091800UTC.



Cold front [2] near 38S098E 44S104E 48S100E. Forecast decaying near 43S111E

48S111E at 090900UTC.



Trough [1] near 23S090E 40S109E 47S129E. Forecast decaying trough [1] 24S094E

to developing cold front [3] 35S108E to developing low [1] 1014hPa near 41S113E

to developing warm front [1] 43S122E at 090600UTC, then just cold front [3]

37S122E to low [1] 1012hPa near 45S124E to warm front [1] 46S129E at 100000UTC.



Forecast warm front [2] entering area from west near 43S086E 43S080E at

090900UTC, then warm front [2] 45S096E to low [2] 1001hPa near 45S081E to cold

front [4] 40S075E at 091800UTC, and warm front [2] 46S102E to low [2] 1001hPa

near 46S088E to cold front [4] 40S080E at 100000UTC.



Trough [2] near 12S112E 15S114E. Forecast trough [2] near 14S106E 12S109E at

100000UTC.



Part 3 Forecast

Refer to latest warnings.



South of line 38S080E 39S100E 45S115E, outside warning areas:

Westerly quarter winds shifting northerly quarter within 180nm east of cold

front [1], shifting northwesterly quarter north of warm front [2] and within

240nm east of cold front [2], and turning clockwise within 180nm of low [2].

Wind speeds 25/33 knots west of cold front [2] and within 180nm of fronts, not

exceeding 25 knots elsewhere. Rough to very rough seas. Moderate to heavy swell.



Remainder:

Winds not exceeding 25 knots. Moderate to rough seas. Low to moderate swell,

increasing to moderate to heavy swell south of line 42S129E 46S115E.



Rain areas, scattered showers and isolated thunderstorms mostly within 180nm

troughs, fronts and lows. Visibility reducing below 2nm in precipitation.



Please be aware

Wind and wave forecasts are averages. Wind gusts can be 40 per cent stronger

than the forecast, and stronger still in squalls and thunderstorms. Maximum

waves can be twice the forecast height.



WEATHER MELBOURNE



The next routine forecast will be issued at 09:00 UTC Friday.