Western Area High Seas Forecast


High Seas Forecast for Western Metarea 10
WESTERN AREA: 12/30S 90/125E, 30/50S 80/129E
Issued by the Australian Government Bureau of Meteorology, BNOC
For 24 hours commencing 2300 UTC 6 March 2015

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 3 issued 061813UTC:
Area bounded by 50S107E 47S112E 47S123E 50S129E 50S107E.

Part 2 Situation at 1800 UTC
Refer to latest warnings.

Ridge [1] 30S087E 37S093E to high 1029 hPa near 38S100E to 37S116E 33S129E.
Slow moving and forecast 30S084E 37S092E to high 1027 hPa near 39S095E to
36S120E 33S129E at 071800UTC.

Ridge [2] 46S080E 45S089E. Forecast from high 1026 hPa near 48S080E to 45S094E
at 070600UTC and 47S080E to high 1025 hPa near 46S091E to high 1027 hPa near
39S095E at 071800UTC.

Low 1008 hPa near 19S112E. Forecast 1007 hPa near 19S111E at 070600UTC and 1008
hPa near 20S110E at 071800UTC.

Warm front 42S080E 44S090E 44S096E. Forecast 42S080E 43S087E 43S097E at
070600UTC and 42S080E 43S084E 43S090E at 071800UTC .

Cold front [1] 41S120E 42S129E, forecast east of area by 070001UTC.

Cold front [2] 49S087E 49S100E 50S104E. Forecast 43S097E 44S111E 50S122E at
070600UTC and 40S107E 41S124E 45S129E at 071800UTC.

Part 3 Forecast
Refer to latest warnings.

Within 240nm of highs and 120nm of ridges:
Variable winds below 20 knots with slight to moderate seas. Low to moderate

Remainder north of ridge [1]:
SE quarter winds 15/25 knots. Winds variable below 20 knots NE of a line
12S097E 24S114E, turning clockwise 10/20 knots within 120nm of low. Moderate to
rough seas. Low swell north of 18S, moderate otherwise.

Remainder south of ridge [1], outside warning area:
W quarter winds, shifting N quarter north of warm front and SE quarter between
ridge [2] and warm front west of 090E. Wind speeds 15/25 knots, increasing to
20/30 knots south of line 50S090E 41S110E 39S129E. Winds further grading to
25/33 knots within 120nm of warning area. Moderate to rough seas. Moderate to
heavy swell.

Scattered showers and isolated thunderstorms north of 12S and within 240nm of
low. Rain areas, scattered showers and isolated thunderstorms within 240nm of
fronts and west of 085E. Isolated to scattered showers remainder away from
ridges. Visibility reducing below 2nm in precipitation.


The next routine forecast will be issued at 08:00 UTC Saturday.