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 29 March 2017

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
Refer to latest warnings for details of area affected.

Melbourne Gale Warning 5.

Part 2 Situation at 1800 UTC
Refer to latest warnings for boundary of affected area and type of weather

Low [1] 1008 hPa near 16S093E. Forecast west of area by 310001UTC.

Low [2] 1010 hPa near 14S111E. Forecast 1011 hPa near 13S108E at 310001UTC.

Trough 36S084E 43S110E 50S120E. Forecast 36S119E 40S132E at 310001UTC.

High [1] 1028 hPa near 35S104E. Forecast east of area by 310001UTC.

High [2] 1031 hPa near 41S106E at 310001UTC.

Part 3 Forecast
Refer to latest warnings.

Near Trough, outside warning area:
South of line 421129E 38S104E 50S088E Northerly quarter winds east of front
shifting southwesterly quarter west of front. Becoming south of line 50S104E
38S123E 37S129E by 310001UTC. Wind speeds 15/25 knots grading 25/33 knots
within 60nm of warning area. Moderate to rough seas. Moderate to heavy swell.

Winds south of line: 45S080E 50S093E:
Northwest quarter winds 15/25 knots developing from 301200UTC. Moderate to
rough seas. Moderate swell, decreasing low to moderate from 310001UTC.

Winds not exceeding 25 knots. Slight to moderate seas. Light to moderate swell
north of 30S grading moderate to heavy swell remainder. Swell decreasing low to
moderate west of 90E after 310001UTC.

Scattered showers and isolated thunderstorms within 240nm of trough and lows.
Isolated to scattered showers remainder south of 35S. Isolated showers
elsewhere. Visibility reducing below 2nm in precipitation.


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