Western Area High Seas Forecast

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 16 October 2025

Part 1 Warnings
Refer to latest warnings for details of the area affected.

Melbourne Gale Warning 1.
Melbourne Gale Warning 2.
Melbourne Gale Warning 3.

Part 2 Situation at 161800 UTC
Cold front 26S095E 34S104E 41S108E to low [1] 987hPa near 42S103E. Forecast
35S120E 43S127E 49S128E to developing low [3] 975hPa near 48S121E and low [1]
979hPa near 43S107E at 180000UTC.

Low [2] 991hPa near 47S094E. Forecast low [2] 999hPa near 43S094E at 171500UTC
then weakening thereafter.

Part 3 Forecast
Refer to latest warnings for boundary of affected area and type of weather
system.

South of line 22S080E 31S114E 39S124E 34S123E 32S129E, outside warning areas:
Southwesterly quarter winds tending northwesterly quarter within 720nm east of
cold front, shifting westerly within 480nm west of cold front, and turning
clockwise within 360nm of low [1] and within 120nm of low [2] and low [3].
Winds speeds 20/33 knots. Rough seas to very rough seas. Moderate to heavy
swell.

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

Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of
cold front, and within 180nm of 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 08:00 UTC Friday.