Western Area High Seas Forecast


High Seas Forecast for Western METAREA 10
WESTERN AREA: 12/30S 90/125E, 30/50S 80/129E

Issued by the Australian Government Bureau of Meteorology
For 24 hours commencing 2300 UTC 17 October 2021

Part 1 Warnings
Melbourne Gale Warning 1.
Melbourne Gale Warning 2.
Melbourne Gale Warning 6.

Part 2 Situation at 1800 UTC
Cold front [1] 16S096E 22S104E 28S110E 40S114E 46S109E 48S103E to low [1]
986hPa near 46S102E, forecast weakening.

Cold front [2] 23S090E 25S097E 30S101E to low [2] 998hPa near 34S102E, forecast
14S104E 23S114E 32S115E to low 990hPa near 36S111E at 190000UTC.

Trough near 34S094E 38S099E 45S101E, forecast near 43S111E 50S113E at 190000UTC.

Warm front near 44S080E 47S081E 50S079E, forecast near 43S099E 47S100E 50S098E
at 190000UTC.

Part 3 Forecast
Refer to latest warnings.

Whole area, outside warning areas:
Northwesterly quarter winds within 120nm east of front [2], and warm front,
shifting southwesterly quarter west of front [2], and westerly quarter west of
warm front, and northeasterly quarter winds south of front [1] from 43S. Winds
turning clockwise within 300nm of lows. Wind speeds 25/33 knots. Rough to very
rough seas. Low to moderate swell, increasing to moderate to heavy swell west
of line 23S101E 50S110E.

Rain areas, scattered showers and isolated thunderstorms within 240nm of
fronts/trough, and within 300nm of lows. Visibility reducing below 2nm in

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 routine forecast will be issued at 08:00 UTC Monday.