IDW11900
SECURITE

HIGH SEAS FORECAST FOR METAREA 10
WESTERN AREA 12/30S 90/125E, 30/50S 80/129E
ISSUED BY THE AUSTRALIAN BUREAU OF METEOROLOGY, PERTH 

FOR 24 HOURS COMMENCING 1100UTC 31 JULY 2010

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
Gale Warning south of a line 40S080E 35S095E 40S095E 50S122E 35S125E 33S129E,
moving to south of a line 50S080E 35S100E 47S129E by 312100UTC and south of
40S080E 37S100E 47S129E by 010600UTC.


PART 2  SITUATION AT at 0900UTC.
Refer to latest warning.
Ridge near 23S080E to high 1030hPa near 33S114E to 28S129E moving to be near
20S080E to high 1037hPa near 33S123E to 30S129E.


PART 3  FORECAST
Within 180nm of ridge and 240nm of high:
Variable winds to 15 knots tending N/NE 15/25 knots west of 100E. Slight to
moderate seas. Moderate swell.
Remainder north of ridge:
E/SE winds 20/30 knots reaching 25/33 knots east of 110E after 010000UTC. Rough
seas. Low to moderate swell.
Remainder south of ridge outside warning area:
NW/SW winds 20/33 knots. Rough seas. Moderate to heavy swell.

WEATHER PERTH
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