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 4 July 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 1 issued 040710UTC:
Area bounded by 37S080E 40S094E 45S094E 45S091E 43S085E 43S080E 37S080E.

Melbourne Gale Warning 6 issued 040701UTC:
Area bounded by 36S080E 40S106E 45S109E 50S106E 50S092E 47S089E 45S080E 36S080E.

Part 2 Situation at 0600 UTC
Refer to latest warnings

Ridge [1] 26S089E to high [1] 1025 hPa near 28S096E to 30S105E 30S116E.
Forecast 27S090E to high [1] 1024 hPa near 28S096E to 30S117E at 041800UTC and
26S090E to high 1023 hPa near 27S101E to 28S106E 31S118E at 050600UTC.

Ridge [2] 30S086E 35S105E. Forecast 30S090E 35S107E 36S116E at 041800UTC and
30S090E 32S099E at 050600UTC.

Front [1] 39S080E 43S085E 50S092E. Forecast 36S086E 41S093E 50S098E at
041800UTC and 37S100E 45S107E 50S108E at 050600UTC.

Front [2] 35S109E 39S117E 44S120E 50S119E to low 987 hPa near 51S113E. Forecast
35S122E 39S127E 43S126E 46S126E 50S120E to low 997 hPa near 51S118E at
041800UTC and 33S126E 34S129E at 050600UTC.

Front [3] developing west of area and forecast near 43S075E 44S083E at
050001UTC and 42S077E 44S091E at 050600UTC.

Part 3 Forecast
Refer to latest warnings.

Within 120nm of ridges and 180nm of highs:
Variable winds below 20 knots. Slight to moderate seas. Moderate swell
increasing moderate to heavy south of 32S.

Remainder north of ridge [1]:
SE quarter winds 10/20 knots reaching 25 knots at times west of 110E north from
20S. Slight to moderate seas. Moderate swell decreasing to low east of 115E.

Remainder south of ridge [1] and outside warning areas:
W quarter winds 10/20 knots east of ridge [2] with slight to moderate seas. NW
quarter winds 20/30 knots east of cold front [2], north of cold front [3] and
within 600nm east of cold front [1]. SW quarter winds 15/25 knots south of cold
front [3]. Winds SW quarter 20/30 knots remainder, turning clockwise within
300nm of low. Wind speeds increasing to 25/33 knots within 120nm of warning
areas. Moderate to rough seas. Moderate to heavy swell.

Rain areas, scattered showers and isolated thunderstorms within 240nm of
fronts. Scattered to isolated showers remainder south of ridge [1] away from
ridge [2]. Visibility reducing below 2nm in precipitation.


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