South Eastern Area High Seas Forecast

IDY10210
SECURITE

High Seas Forecast for South Eastern Metarea 10
SOUTHEASTERN AREA: 28S/50S, 129E/170E
Issued by the Australian Government Bureau of Meteorology, BNOC
For 24 hours commencing 2300 UTC 25 November 2014

PLEASE BE AWARE
Wind gusts can be 40 percent stronger than the averages given here, and maximum
waves may be up to twice the height.

Part 1 Warnings
New Zealand STORM FORCE wind warning 337 issued 251800UTC:
Over waters east of 160E.
Low 963hPa near 53S164E moving east 10kt.
1. Within 120 nautical miles of low in northern quadrant:
Clockwise 50kt developing next 6 hours.
2. Outside area 1 and in a belt 420 nautical miles wide centred on a line
49S158E 49S164E 50S174E: Clockwise 40kt.
Storm and gale areas moving with low.

Melbourne Gale Warning 1 issued 251825UTC:
Area bounded 44S145E 43.5S147E 44S153E 46S153E 46S147E 44S145E.

Melbourne Gale Warning 3 issued 251820UTC:
Area bounded 50S153E 47S160E 50S160E 50S153E.

Part 2 Situation at 1800 UTC
Refer to latest warnings.

Ridge [1] slow moving along 28S164E 31S170E.

Ridge [2] from high [1] 1024 hPa near 36S129E 37S145E 35S152E to high [2]
1020 hPa near 34S153E to 36S164E, forecast from high [1] 1025 hPa near
38S129E to 38S133E to high [3] 1025 hPa near 42S133E to 38S146E to high [2]
1020 hPa near 34S158E to 37S170E at 260600UTC, and from high [1] 1025 hPa near
39S129E to high [3] 1026 hPa near 41S139E to 36S151E to high [2] 1019 hPa
near 34S160E to 35S170E at 261800UTC.

Ridge [3] west of area, from high [1] near 36S129E to high [3] 1022 hPa
near 44S127E to 50S120E, forecast from high [1] near 41S136E to 50S133E
at 260600UTC and 41S139E 50S139E at 261800UTC.

Trough 28S156E 31S159E 36S170E, forecast weakening near 29S157E 31S163E
34S170E at 260600UTC and near 29S154E 31S160E 33S170E at 261800UTC.

Cold front [1]39S140E 42S150E 45S153E, forecast 38S158E 41S161E 46S164E
at 260600UTC and 37S164E 41S170E at 261800UTC.

Cold front [2] west of area near 43S119E 50S126E at 261800UTC.

Cold front [3] west of area forecast 43S119E 50S126E at 261800UTC.

Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridges, north of ridge [1]:
Variable winds below 20 knots tending E quarter 10/20 knots west of 140E,
north of 34S by 261200UTC. S quarter winds 10/20 knots reaching 25 knots at
times within 60nm south of trough shifting NW quarter 10/20 knots within 60nm
east of trough. Slight to moderate seas. Low to moderate swell.

Remainder south of ridge [1], outside warning areas:
W quarter winds 15/25 knots within 240nm of ridge [3], tending NW quarter
15/25 knots remainder west of ridge [3]. W quarter winds 20/30 knots tending
NW quarter within 120nm east of cold front and shifting SW quarter remainder
west of cold front. Wind speeds grading 25/33 knots within 120nm of warning
area. Moderate to rough seas. Moderate swell becoming heavy swell in area
south of 35S, east of 140E.

Scattered showers and isolated thunderstorms within 240nm of cold fronts
and 60nm of trough. Isolated to scattered showers remainder away from ridges.
Visibility reduced to below 2nm in precipitation.

WEATHER MELBOURNE

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