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 13 February 2016

PLEASE BE AWARE
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 131807UTC:
Area bounded by 50S113E 48S113E 43S131E 42S139E 45S144E 47S144E 50S142E 50S113E.

Part 2 Situation at 1800 UTC
Refer to latest warnings.

Ridge [1] 31S152E to high 1020 hPa near 42S169E to 42S170E, forecast 32S152E
42S170E at 140600UTC and 31S152E 41S170E at 141800UTC.

Ridge [2] 34S129E 38S150E, forecast 34S129E 38S154E at 140600UTC and 33S129E
38S155E at 141800UTC.

Cold front [1] 35S150E 41S151E 46S156E 50S157E, forecast 34S151E 38S156E
43S157E 50S161E at 140600UTC and 33S152E 38S159E 50S166E at 141800UTC.

Cold front/trough [2] developing near 44S129E 47S129E 50S126E at
140600UTC, forecast 41S136E 48S141E to low 981 hPa near 49S137E at 141800UTC.

Trough [1] 28S162E 30S165E, forecast 30S163E 28S160E at 140600UTC and 28S160E
32S163E at 141800UTC.

Trough [2] 42S140E 44S142E 47S142E, forecast 43S150E 46S151E 49S151E at
140600UTC 48S158E 53S160E at 141800UTC.

Trough [3] south of area forecast from low 978 hPa near 50S137E to 48S129E at
141800UTC.

Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridges and 240nm of high:
Variable winds below 20 knots with slight to moderate seas. Winds tending S
quarter 15/25 knots along ridge [2] east of 145E with moderate to rough seas
easing 10/20 knots by 141800UTC with seas abating. Low to moderate swell east
of 145E increasing to moderate to heavy swell west of 145E.

Remainder north of ridge [1]:
E quarter winds 15/25 knots tending SE quarter west of trough [1] and
increasing to 25/33 knots within 180nm west of trough [1] in area north of 30S.
Low to moderate swell increasing moderate to heavy east of 155E north of 30S.

Remainder east of cold front [1] and south of ridge [1]:
N quarter 15/25 knots increasing to 20/30 knots within 480nm east of cold front
in area south of 42S. Moderate to rough seas. Moderate swell increasing
moderate to heavy swell west of 160E.

Remainder west of cold front [1], outside warning area:
W quarter 20/30 knots tending NW quarter east of trough [2] and within 300nm
east of cold front [2]. Winds shifting S quarter south of trough [3]. Wind
speeds grading to 25/33 knots within 120nm of warning area. Moderate to rough
seas. Moderate to heavy swell increasing to heavy swell west of 150E.

Rain areas, scattered showers and isolated thunderstorms within 240nm of cold
fronts and troughs. Isolated showers remainder away from ridges becoming
scattered south of ridges. Visibility reducing below 2nm in precipitation.

WEATHER MELBOURNE

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