IDW11900
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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 10 MARCH 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 45S080E 44S088E 44S098E 50S103E, extending to south
of a line 50S083E 45S091E 44S098E 50S107E by 101200UTC and south of a line
50S105E 45S107E 50S118E by 102400UTC.
Gale Warning within 120nm in the eastern semi circle of the developing low
expected to be near 24S088E by 101800UTC, to near 26S089E by 102400UTC and near
29S090E by 110600UTC.
Gale Warning within 240nm east of cold front west of area, forecast to be near
43S080E 47S084E by 102100UTC, moving to near 40S082E 45S090E 48S093E by
110600UTC.

PART 2  SITUATION AT 090900UTC
Refer to latest warnings.
Ridge near 36S080E 35S092E 36S111E 41S129E.

PART 3  FORECAST
Within 240nm of ridge:
Variable winds to 15 knots. Slight to moderate seas, low to moderate swell. 

North of 33S, east of 112E, south of 21S and west of continent:
SE/SW 10/20 knots. Slight to moderate seas, low swell.

Remainder north of ridge, west of 95E and south of 24S:
NE/SE winds 15/25 knots, increasing to 25/33 within 120nm of warning area.
Moderate to rough seas, low to moderate swell.

Remainder north of ridge outside warning area:
NE/SE 10/20 knots, strengthen to 20/33 knots within 120nm of warning area.
Slight to moderate seas, increasing to moderate to rough within 120nm of warning
area, low to moderate swell.

Remainder south of ridge, outside warning area:
SW/NW winds 15/25 knots, increasing to 25/33 knots within 180nm of warning area.
Moderate to rough seas. Moderate to heavy swell.

WEATHER PERTH