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 Bureau National Operations Centre
FOR 24 HOURS COMMENCING 1100 UTC 23 OCTOBER 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 2 issued 230610UTC: 
Area bounded by 44S080E 44S090E 48S090E 47S080E 44S080E.
 
Part 2 Situation at 0600 UTC
Refer to latest warnings.

Ridge 25S090E to high [1] 1024 hPa near 27S094E to 33S109E 29S125E. Forecast
25S090E 31S109E 36S115E 29S129E at 231800UTC and 25S090E 29S110E to high [2]
1019 hPa near 38S123E to 29S129E at 240600UTC.

Trough [1] 32S126E to low [1] 1004 hPa near 38S123E to 50S121E. Forecast 31S132E
to low [1] 1007 hPa near 40S129E to 50S131E at 231800UTC, then moving further
east of area.

Trough [2] 28S077E 33S086E to low [2] 1011 hPa near 38S093E. Forecast 27S082E
31S093E to low [2] 1008 hPa near 38S099E at 231800UTC and 25S086E 31S100E to low
[2] 1002 hPa near 42S106E at 240600UTC.

Cold front forecast 41S083E 50S089E at 231800UTC and 39S095E 50S098E at
240600UTC.
 
Part 3 Forecast
Refer to latest warnings.

Within 120nm of ridge, 240nm of highs and north of 20S east from 118E: 
Variable winds below 20 knots. Slight to moderate seas. Low to moderate swell.

Remainder north of ridge:
S quarter winds tending SE quarter west of 110E. Wind speeds 15/25 knots.
Moderate seas. Low to moderate swell.

Remainder south of ridge:
W quarter winds generally. Winds tending N quarter east of trough [1] and
clockwise within 240nm of low [1]. Winds tending NW quarter within 600nm east of
trough [2], S quarter west of trough [2] and clockwise within 240nm of low [2].
Winds shifting W/SW west of cold front. NW winds within 600nm east of cold front
by 231800UTC, extending east to 123E by 241800UTC. Wind speeds 15/25 knots,
increasing to 20/30 knots within 360nm east of cold front and area west of cold
front, further increasing to 25/33 knots within 120nm of warning area. Moderate
to rough seas. Moderate to heavy swell.

Rain areas, scattered showers and isolated thunderstorms within 240nm of 
fronts and troughs, within 300nm of lows and also north of 15S west from 100E.
Isolated to scattered showers remainder south of ridge. Visibility reducing
below 2nm in precipitation.
 
WEATHER MELBOURNE
 
The next routine forecast will be issued at 2000  UTC 23 October 2014