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 21 AUGUST 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 Storm Force Wind Warning 1 issued at 211904UTC:
Area bounded by 33S080E 35S119E 40S117E 50S124E 50S080E 33S080E.
 
Part 2 Situation at 1800 UTC
Refer to latest warnings.

Ridge 26S090E to high 1022 hPa near 28S103E to 28S115E. Forecast 24S090E 27S102E
to high 1024 hPa near 32S114E to 31S117E at 220600UTC and 24S090E 26S101E to
high 1027 hPa near 34S124E to 32S129E at 221800UTC.

Cold front 38S080E 42S089E 46S094E to low 959 hPa near 47S093E. Forecast 34S080E
37S090E 44S103E 50S108E at 220600UTC and 31S086E 36S100E 42S108E 50S117E at
221800UTC.

Trough 35S118E 45S119E. Forecast 35S124E 46S123E at 220000UTC and 46S127E
42S129E at 220600UTC with northern portion east of area.

 
Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridge and high:
Variable winds below 20 knots. Slight to moderate seas. Moderate to heavy swell.

Remainder north of ridge:
SE quarter winds 10/20 knots reaching 15/25 knots at times north of 17S west
from 110E. Slight to moderate seas. Low to moderate swell increasing to moderate
to heavy from the southwest. Moderate to heavy swell west of 115E after
221800UTC.

Remainder south of ridge and east of cold front outside warning area:
NW quarter winds tending SW quarter within 480nm west of trough. Wind speeds
15/25 knots within 300nm of ridge grading to 20/33 knots elsewhere outside
warning area. Moderate to rough seas. Moderate to heavy swell.

Remainder west of cold front outside warning area:
SW quarter winds tending W quarter after 221200UTC. Wind speeds 15/25 knots
north of 35S grading to 20/33 knots elsewhere outside warning area. Moderate to
rough seas. Moderate to heavy swell.

Rain areas, scattered showers and isolated thunderstorms within 240nm of cold
front and trough and in the far southwest after 221800UTC. Scattered to isolated
showers remainder south of ridge. Visibility reducing below 2nm in
precipitation.
 
WEATHER MELBOURNE
 
The next routine forecast will be issued at 0900  UTC 22 August 2014