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 9 February 2016

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

Part 2 Situation at 1800 UTC
Refer to latest warnings.

Ridge [1] 37S080E to high 1023 hPa near 38S104E to 40S120E 36S129E. Forecast
38S080E to high 1022 hPa near 37S108E to 40S124E 37S129E at 100600UTC and
37S080E to high 1020 hPa near 38S110E to 39S121E 39S129E at 101800UTC.

Ridge [2] near 26S090E 38S108E. Slow moving. Forecast near 26S090E 31S102E
38S111E at 101800UTC.

Trough [1] 19S081E 31S087E to low 1016 hPa near 35S086E. Forecast 24S086E to
low 1013 hPa near 33S089E at 100600UTC and 27S089E to low 1014 hPa near 34S091E
at 101800UTC.

Trough [2] 44S076E 46S083E. Forecast 41S080E 45S090E at 100600UTC and 39S079E
40S089E 46S099E at 101800UTC.

Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridge and north of 19S090E 19S107E 24S114E:
Variable winds below 20 knots. Slight to moderate seas. Low to moderate swell.

Remainder north of ridges [1] & [2]:
E quarter winds 10/20 knots tending S quarter 15/25 knots east of 107E and
increasing 20/30 knots S of 32S. Winds shifting NE quarter 10/20 knots east of
120E. Moderate to rough seas. Moderate swell.

Remainder north of ridge [1] and south of ridge [2]:
SE quarter winds 15/25 knots tending NE quarter 10/20 knots east of trough [1].
Moderate to rough seas. Low to moderate swell.

Remainder south of ridge [1]:
W quarter winds tending SW quarter west of trough [2]. Wind speeds below 20/30
knots. Moderate to rough seas. Moderate swell, increasing to moderate to heavy
swell south of 48S.

Scattered showers and isolated thunderstorms north of 15S, within 240nm of
trough [1] and south of ridge [1]. Isolated showers remainder away from ridge.
Visibility reducing below 2nm in precipitation.


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