South Eastern Area High Seas Forecast

IDY10210
SECURITE

High Seas Forecast for South Eastern METAREA 10
SOUTH EASTERN AREA: COAST AT 25S TO 25S170E TO 29S170E TO 45S160E TO 50S160E TO
50S129E TO COAST AT 129E

Issued by the Australian Government Bureau of Meteorology
For 24 hours commencing 1100 UTC 17 October 2025

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

Melbourne Gale Warning 3.
Melbourne Gale Warning 5.

Part 2 Situation at 170600 UTC
Cold front [1] near 34S151E 39S157E 47S161E. Forecast near 28S153E 37S166E at
181200UTC.

Trough near 42S138E 50S141E. Forecast developing into cold front [2] near
41S153E 51S152E at 171800UTC, cold front [2] near 40S163E 52S163E at 180900UTC,
exiting east thereafter.

Warm front forecast entering from west 45S129E to low 983hPa near 47S117E at
171800UTC, and near 51S147E to low 964hPa near 51S132E at 181200UTC.

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

South of line 34S129E 38S136E 38S165E, outside warning areas:
Westerly quarter winds, shifting northwesterly quarter east of cold front [1]
and within 240nm east of cold front [2]. Southwesterly quarter winds within
600nm west of trough and cold front [2]. Northerly quarter winds north of warm
front, turning clockwise within 180nm of low. Wind speeds 20/33 knots. Rough 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
trough, low and cold fronts. 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 20:00 UTC Friday.