Western Area High Seas Forecast

IDY10220
SECURITE
 
HIGH SEAS FORECAST FOR METAREA 10
WESTERN AREA: 12/30S 90/125E, 30/50S 80/129E
Issued by the Bureau of Meteorology National Meteorological and Oceanographic
Centre
FOR 24 HOURS COMMENCING 2300 UTC 01 SEPTEMBER 2014
 
PLEASE BE AWARE 
Wind gusts can be a further 40 percent stronger than the averages given here,
and maximum waves may be up to twice the height.
 
Part 1 Warnings
Melbourne Gale Warning 5 issued 011825UTC:
Area bounded by 45S081E 45S091E 50S109E 50S083E 45S081E.

 
Part 2 Situation at 1800 UTC
Refer to latest warnings.

Ridge 32S078E 31S095E 33S105E 36S129E. Forecast 30S079E to high 1024hPa near
31S082E to 35S097E 34S115E 35S129E at 020600UTC and 30S080E to high 1024 hPa
near 35S102E 37S112E 33S120E 33S129E at 021800UTC.

Trough 10S090E 16S093E to low [1] 1010hPa near 20S096E to 31S106E. Forecast
11S092E 16S095E to low [1] 1009hPa near 21S100E to 27S107E at 020600UTC and
12S093E to low [1] 1010 hPa near 24S102E 30S112E at 021800UTC.

Cold front [1] 34S098E 38S106E to low [2] 998hPa near 45S105E to 50S116E.
Forecast 36S112E 40S116E to low [2] 1001hPa near 45S114E to 50S121E at 020600UTC
and 36S124E 44S124E 50S129E at 021800UTC.

Cold front [2] approaching from west, forecast 42S078E 45S090E 49S093E 51S090E
at 020600UTC and 41S080E 44S090E 50S100E at 021800UTC.
 
Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridge and 240nm of high:
Variable winds below 20 knots, tending N quarter east of 120E . Slight to
moderate seas. Low to moderate swell.

Remainder north of ridge:
NE quarter winds 10/20 knots east of trough, then shifting SE quarter 20/30
knots west of trough and clockwise 20/30 knots within 150nm of low [1]. Slight
to moderate seas rising to moderate to rough west of trough and with low [1].
Low to moderate swell.

Remainder south of ridge, east of front [1], outside warning area:
N quarter winds 15/25 knots , tending NW quarter south of 40S at 20/33 knots
remainder and clockwise 20/33 knots within 180nm of low [2]. Moderate to rough
seas. Moderate swell.

Remainder south of ridge, west of front [1], outside warning area:
W/NW winds 20/33 knots turning SW quarter within 300nm of front [1] and
clockwise within 180nm of low. Moderate to rough seas. Moderate to heavy swell.

Rain areas, scattered showers and isolated thunderstorms within 240nm of cold
fronts and trough. Visibility reducing below 2nm in precipitation.
 
WEATHER MELBOURNE
 
The next routine forecast will be issued at 0900  UTC 02 September 2014