WOAU03 AMMC 071141

IDY21020

40:2:1:04:70S100E35060:01:00

SECURITE

High Seas Weather Warning for METAREA 10

Issued by the Australian Government Bureau of Meteorology

At 1141UTC 7 August 2026

GALE WARNING 3 FOR WESTERN AND SOUTHERN AREAS

SITUATION AT 071200UTC

Vigorous flow associated with trough 33S113E 37S115E to low 972hPa near

52S115E. Forecast, trough 32S116E 36S118E to low 976hPa near 51S118E at

071800UTC, then just trough 34S118E 36S119E 43S119E at 080000UTC, trough

34S123E 40S122E at 080600UTC and then trough 33S124E 39S124E at 081200UTC.

AREA AFFECTED

Bounded by 46S101E 56S118E 33S128E 32S113E 36S102E 46S101E.

FORECAST

Southwesterly quarter winds 34/47 knots within 540nm west of trough, turning

clockwise within 180nm of low in southwestern semicircle. Winds contracting to

within 360nm west of trough by 080000UTC and 240nm west of trough by 081200UTC.

Very rough to high seas. Moderate to heavy swell.

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.

The next alert will be issued by 1900 UTC 07 August 2026