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 29 August 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
New Zealand Storm Force Wind Warning 684 issued 291847UTC:
At 291800UTC over waters east of 160E and north of Ice Edge.
Low 940hPa near 64S176E moving east 15kt.
1. In a belt 240 nautical miles wide centred on a line 64S170E 60S173E 56S178E:
Clockwise 50kt.
2. Outside area 1 and within 1020 nautical miles of low in northern semicircle:
Clockwise 35kt.
Storm and gale areas moving with low.

Part 2 Situation at 1800 UTC
Refer to latest warnings.

Ridge 28S154E to high 1028 hPa near 36S157E to 45S151E 49S136E 48S129E.
Forecast 28S155E 32S160E to high 1030 hPa near 39S160E to 47S154E 50S146E at
300600UTC and 28S156E 33S163E to high 1030 hPa near 39S165E to 45S164E 50S157E
at 301800UTC.

Trough 31S129E to low 1001 hPa near 38S130E to 42S129E. Forecast 32S134E
39S133E 44S130E to low 1000 hPa near 47S130E to 50S130E at 300600UTC and
33S139E 40S139E 46S134E 50S135E at 301800UTC.

Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridge and 240nm of high:
Variable winds below 20 knots. Slight to moderate seas. Low to moderate swell
increasing to moderate to heavy south of 38S.

Remainder east of ridge outside warning area:
SW quarter winds tending SE quarter north of high. Wind speeds 15/25 knots with
moderate to rough seas increasing to 20/33 knots outside warning area southeast
of a line 50S163E 42S168E 42S170E until 301200UTC. Winds easing to 10/20 knots
north of 42S with slight to moderate seas after 301200UTC. Moderate to heavy
swell.

Remainder west of ridge:
N quarter winds east of trough tending SW quarter west of trough and clockwise
within 120nm of low. Wind speeds 15/25 knots increasing to 20/33 knots within
area bounded by 33S153E 38S149E 47S152E 47S157E 33S155E after 300900UTC with
moderate to rough seas. Winds becoming variable below 20 knots in the Great
Australian Bight after 301800UTC with slight to moderate seas. Moderate swell
increasing to moderate to heavy in the far southwest.

Rain areas, scattered showers and isolated thunderstorms between trough and
145E, between trough and 150E after 301200UTC. Visibility reducing to below 2nm
in precipitation.

WEATHER MELBOURNE

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