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 1100 UTC 27 April 2025

Part 1 Warnings
Melbourne Gale Warning 3.

Part 2 Situation at 0600 UTC
Cold front [1] near 44S079E 50S086E. Forecast 41S080E 50S100E at 281200UTC.

Trough [1] near 32S081E 41S090E 40S099E. Forecast trough [1] 34S092E 40S096E
50S112E at 281200UTC.

Trough [2] near 47S111E 50S118E. Forecast trough [2] exiting area to east near
47S125E 50S130E at 271800UTC.

Ridge near 35S105E 50S105E. Forecast ridge 40S124E 50S129E at 281200UTC.

Forecast cold front [2] entering area from west near 46S079E 50S082E at
281200UTC.

Part 3 Forecast
Refer to latest warnings.

East of line 22S107E 29S107E:
Southeasterly quarter winds 20/30 knots initially, easing below 25 knots from
272100UTC. Moderate to rough seas. Low to moderate swell.

South of line 47S080E 48S129E, outside of warning areas:
Westerly quarter winds shifting northerly quarter within 780nm east of front
[1], northwesterly quarter within 240nm east of front [2], turning
anticlockwise within 240nm of ridge, and shifting westerly quarter east of
trough [2]. Wind speeds 25/33 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
fronts and troughs, and north of line 20S090E 12S111E until 280000UTC.
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 21:00 UTC Sunday.