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 September 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 4 issued 291805UTC:
Area bounded by 38S135E 36S138E 36S140E 39S140E 42S139E 42S136E 38S135E.

Melbourne Gale Warning 7 issued 291804UTC:
Bounded by 42S149E 45S152E 40S157E 38S157E 42S149E.

Part 2 Situation at 1800 UTC
Refer to latest warnings.

Ridge [1] 28S166E 36S168E 45S163E 50S163E. Forecast 40S170E 46S165E 50S170E by
300600UTC and east of area by 301200UTC.

Ridge [2] 42S129E 46S132E 50S136E. Forecast 31S132E 34S131E 40S131E 46S133E
50S136E at 300600UTC and 34S136E 41S135E 45S135E 50S138E at 301800UTC.

Low [1] 987 hPa near 37S144E. Forecast 991 hPa near 37S150E at 300600UTC and
993 hPa near 40S153E at 301800UTC.

Cold front 28S154E 34S157E 37S157E to low [2] 989 hPa near 42S149E to 44S144E
42S141E 38S139E. Forecast 28S154E 38S159E 40S159E 44S153E to low [2] 986 hPa
near 43S148E 42S142E 40S139E at 300600UTC and 28S161E 34S164E 42S159E 44S154E
to low [2] 986 hPa near 44S145E at 301800UTC.

Trough 42S141E 47S143E 50S145E. Forecast 42S142E 48S138E 50S139E at 300600UTC
and 44S145E 46S143E 50S143E at 301800UTC.

Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridges and also east of ridge [1]:
Variable winds below 20 knots with slight to moderate seas. Low to moderate
swell, increasing to moderate to heavy along ridge [2] until 300600UTC.

Remainder between ridge [1] and cold front/trough, outside warning area:
N quarter winds north of 40S turning E quarter south of 40S and clockwise
within 300nm of low [2]. Wind speeds 15/25 knots within 300nm of ridge [1],
increasing to 20/30 knots elsewhere. Winds reaching 25/33 knots within 120nm of
warning area and within 180nm of cold front. Moderate to rough seas. Moderate
swell.

Remainder west of cold front/trough, outside warning area:
S quarter winds 20/30 knots. Winds variable north of cold front west from 150E
at first turning W quarter 15/25 knots east of 150E at first and then
throughout north of front after 300600UTC. Winds turning clockwise within 300nm
of low [1], with speeds 20/30 knots in western and northern semicircles and
10/20 knots elsewhere. Winds clockwise 10/20 knots within 240nm of low [2] and
tending N quarter 15/25 knots west of ridge [2]. Winds increasing 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 lows,
cold front, as well as east of ridge [1]. Scattered showers and isolated
thunderstorms remainder west of cold front. Visibility reducing to below 2nm in
precipitation.

WEATHER MELBOURNE

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