South Eastern Area High Seas Forecast


High Seas Forecast for South Eastern Metarea 10
Issued by the Australian Government Bureau of Meteorology, BNOC
For 24 hours commencing 2300 UTC 9 October 2015

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 Gale Warning 192 issued 091800UTC:
Over waters east of 160E.
In a belt 540 nautical miles wide centred on a line 53S142E 51S155E 53S164E:
Westerly 35kt at times.
Gale area moving east 45kt.

Part 2 Situation at 1800 UTC
Refer to latest warnings.

Ridge [1] from 38S129E 42S137E 42S150E to high 1032 hPa near 35S160E to
32S170E. Forecast from 35S129E 42S140E 42S154E to high 1030 hPa near 35S161E to
33S170E at 100600UTC and from 34S129E 40S141E 41S156E to high 1029 hPa near
35S163E to 34S170E at 101800UTC.

Ridge [2] from high 1032 hPa near 35S160E 28S152E. Forecast from high 1030 hPa
near 35S161E to 28S153E at 100600UTC and from high 1029 hPa near 35S163E to
28S154E at 101800UTC.

Trough 37S150E 40S153E. Forecast 38S142E 42S146E at 100600UTC and 38S143E
40S146E at 101800UTC.

Cold front well to the west of the area. Forecast 49S129E 50S131E at 100600UTC
and 39S129E 46S135E 50S143E at 101800UTC.

Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridges, 240nm of high and north of ridge [1] west from 140E:
Variable winds below 20 knots. Slight to moderate seas. Low to moderate swell.

Remainder north of ridge:
SE quarter winds, tending N between trough and ridge [2]. Wind speeds 10/20
knots. Slight to moderate seas. Low to moderate swell.

Remainder south of ridge outside warning area:
Variable winds below 20 knots north of 40S with slight to moderate seas. South
of 40S W quarter winds, tending NW quarter west of 145E and then turning SW
quarter west of cold front. Wind speeds 15/25 knots, increasing to 20/30 knots
south of 46S. Wind speeds grading to 25/33 knots within 120nm of warning areas.
Moderate to rough seas. Moderate to heavy swell.

Scattered showers and isolated thunderstorms within 180nm of trough and cold
front. Isolated showers elsewhere. Visibility reducing below 2nm in


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