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 1100 UTC 1 August 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 Storm Force Wind Warning 3 issued 010650UTC:
Area bounded by 50S114E 46S118E 39S132E 39S150E 42S160E 50S160E 50S114E.

Part 2 Situation at 0600 UTC
Refer to latest warnings.

Ridge [1] from 30S085E to high 1035hPa near 39S098E to 36S107E 35S129E.
Forecast 30S080E 37S090E to high 1037hPa near 37S103E to 31S129E at 011800UTC
and 31S080E 38S089E to high 1037hPa near 37S104E to 34S115E at 020600UTC.

Ridge [2] 39S098E 42S100E 50S101E. Forecast 37S103E 50S107E at 011800UTC and
37S104E 50S115E at 020600UTC.

Ridge [3] developing along 42S080E 37S090E at 011800UTC and forecast 50S082E
43S084E 38S089E at 020600UTC.

Trough 36S080E 43S086E 50S085E. Forecast 41S087E 44S092E 50S092E at 011800UTC
and 40S089E 45S100E 50S103E at 020600UTC.

Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridges, 300nm of high:
Variable winds below 20 knots tending W quarter 10/20 knots along ridge [2].
Slight to moderate seas. Low to moderate swell building to moderate to heavy
along ridge [1] east of 100E.

Remainder north of ridge [1]:
SE quarter winds 10/20 knots, reaching 25 knots at times. Winds becoming E
quarter west of 100E. Variable winds below 20 knots east of line 12S110E
24S114E. Moderate seas. Moderate swell.

Remainder south of ridge [1] and east of ridge [2]:
SW quarter winds 10/20 knots increasing to 20/30 knots within 300nm of warning
area, further increasing to 25/33 knots within 120nm of warning area. Moderate
to rough seas. Heavy swell.

Remainder south of ridge [1] and west of ridge [3]:
N quarter winds below 20 knots. Slight to moderate seas. Moderate swell.

Remaining area:
NW quarter winds 15/25 knots east of trough shifting W quarter below 20 knots
west of trough. Moderate seas. Moderate swell.

Scattered showers and isolated thunderstorms within 180nm of trough. Isolated
showers and thunderstorms south of ridge [1] east of ridge [2]. Visibility
reducing below 2nm in precipitation.


The next routine forecast will be issued at 21:00 UTC Saturday.