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 24 June 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
Melbourne Gale Warning 2 issued 241823UTC:
Area bounded by 41S099E 40S113E 45S132E 50S134E 50S080E 41S099E.

Part 2 Situation at 1800 UTC
Refer to latest warnings.

Ridge 30S080E 30S090E to high 1025 hPa near 33S097E to 35S110E 30S080E.
Forecast 28S090E to high 1025 hPa near 32S103E to 34S116E at 250600UTC and
26S090E to high 1025 hPa near 32S110E to 33S116E at 251800UTC.

Trough 12S096E 16S112E 21S117E. Forecast 12S096E 16S116E 20S119E at 250600UTC
and 12S113E 19S121E at 251800UTC.

Cold front [1] 32S111E 38S120E 50S129E. Forecast 33S120E 40S129E 50S136E at
250600UTC and 32S125E 35S129E at 251800UTC.

Cold front [2] 42S080E 50S087E. Forecast 37S080E 44S091E 50S100E at 250600UTC
and 30S082E 41S093E 43S103E 45S108E 50S111E at 251800UTC.

Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridge, 240nm of high and NE of trough:
Variable winds below 20 knots. Slight to moderate seas. Low swell NE of trough,
moderate to heavy otherwise.

Remainder north of ridge:
SE quarter winds 15/25 knots increasing to 20/30 knots between 14S and 23S west
from 105E. Moderate to rough seas. Moderate swell grading to heavy south of 28S.

Remainder south of ridge, outside warning area:
NW quarter winds east of front [1], shifting W quarter west of front [1], then
NW quarter within 600nm east of front [2] and SW quarter west of front [2].
Wind speeds 15/25 knots within 300nm away from ridge [1] increasing to 20/30
knots elsewhere and 25/33 knots within 120nm of warning area. Moderate to rough
seas. Moderate to heavy swell.

Scattered showers and isolated thunderstorms within 180nm of trough and 240nm
of cold fronts. Scattered showers remainder west of front [1] south from 40S.
Visibility reducing below 2nm in precipitation.


The next routine forecast will be issued at 09:00 UTC Saturday.