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 4 August 2015

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
Melbourne Gale Warning 1 issued 041924UTC:
Area bounded by 39S149E 37S151E 42S160E 50S160E 44S156E 39S149E.

Melbourne Gale Warning 3 issued 041932UTC:
Area bounded by 50S138E 46S138E 44S144E 42S147E 42S153E 46S153E 50S149E 50S138E.

New Zealand Gale Warning 089 issued 041838UTC:
Over waters east of 160E.
In a belt 360 nautical miles wide centred on a line 40S161E 47S165E 53S167E:
Northerly 35kt.
Gale area moving south 20kt.

Part 2 Situation at 1800 UTC
Refer to latest warnings.

Ridge [1] 31S129E 30S134E. Forecast 33S129E 31S133E at 050600UTC and 36S129E
32S135E at 051800UTC.

Ridge [2] 31S156E 39S170E. Forecast 28S160E 40S170E at 050600UTC and 28S163E
39S170E at 051800UTC.

Trough [1] 28S161E 31S166E 34S170E. Forecast 28S164E 30S167E 34S170E at
050600UTC and 28S168E 31S170E at 051800UTC.

Trough [2] 44S153E 46S152E 50S149E. Forecast 44S155E 47S157E to low 979 hPa
near 49S158E at 050600UTC and 42S160E 45S161E to low 982 hPa near 50S161E at
051800UTC.

Trough [3] 28S156E 36S154E. Forecast 30S158E 35S157E at 050600UTC and weakening
by 051800UTC.

Cold front 36S141E 38S147E 45S157E 50S160E. Forecast 35S150E 37S158E 42S161E
50S163E at 050600UTC and 31S158E 34S162E 40S164E 50S166E at 051800UTC.

Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridges:
Variable winds below 20 knots. Moderate seas. Moderate to heavy swell.

Remainder west of cold front outside warning area:
SW quarter winds tending NW quarter east of trough [2]. Winds becoming
clockwise within 240nm of low. Wind speeds 20/30 knots, decreasing to 15/25
knots between trough [2] and 157E south of 47S until 050600UTC and grading to
25/33 knots within 120nm of warning area. Moderate to rough seas. Moderate to
heavy swell.

Remainder east cold front outside warning area:
NW quarter winds, tending SW quarter west of trough [3] and S quarter between
ridge [2] and trough [1]. Wind speeds 20/30 knots, decreasing to 15/25 knots
between ridge [2] and trough [1] and grading to 25/33 knots within 120nm of
warning area. Moderate to rough seas. Moderate to heavy swell

Rain areas, scattered showers and isolated thunderstorms within 240nm of cold
front and troughs. Scattered showers and isolated thunderstorms remainder south
of 40S west of cold front. Visibility reducing below 2nm in precipitation.

WEATHER MELBOURNE

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