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 28 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 Storm Force Wind Warning 4 issued 281825UTC:
Area bounded by 32S126E 31S132E 36S141E 38S139E 49S141E 42S126E 32S126E.

Melbourne Gale Warning 7 issued 281833UTC:
Bounded by 39S148E 44S149E 40S157E 33S154E 33S152E 39S148E.

Part 2 Situation at 1800 UTC
Refer to latest warnings.

Ridge [1] 28S157E 47S156E 50S159E. Forecast 28S161E 42S164E 50S160E at
290600UTC and 28S167E 36S168E 45S163E 50S162E at 291800UTC.

Ridge [2] forecast 46S129E 50S134E at 290600UTC and 41S129E 45S131E 50S136E at
291800UTC.

Low 973 hPa near 36S137E. Forecast low 980 hPa near 36S142E at 290600UTC and
low 987 hPa near 36S144E at 291800UTC.

Cold front 38S145E 40S141E 40S138E 40S135E 38S134E. Forecast 28S153E 40S149E
42S144E 41S138E 38S136E at 290600UTC and 28S154E 34S157E 37S157E 43S148E
44S144E 43S141E 38S139E at 291800UTC.

Trough [1] 40S135E 50S141E. Forecast 42S141E 47S143E 50S146E at 290600UTC and
44S144E 50S147E at 291800UTC.

Trough [2] 32S170E 35S162E 41S161E 50S164E. Forecast 38S170E 42S166E 50S165E at
290600UTC and 44S170E 50S168E at 291800UTC.

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. Winds SW quarter
20/30 knots north of trough [2] until 290600UTC with moderate to rough seas.
Low to moderate swell.

Remainder between ridge [1] and cold front/trough [1], outside warning areas:
NE quarter winds 15/25 knots within 300nm of ridge [1], increasing to 20/30
knots elsewhere. Winds reaching 25/33 knots within 120nm of warning areas and
within 180nm of cold front. Moderate to rough seas. Winds decreasing to 10/20
knots south of 47S with slight to moderate seas. Moderate swell.

Remainder west of cold front/trough [1], outside warning area:
S quarter winds 20/30 knots. Winds turning clockwise within 600nm of low, with
speeds 20/30 knots in western and northern semicircles, with 10/20 knots
elsewhere. Winds increasing to 25/33 knots within 120nm of warning area.
Moderate to rough seas. Heavy swell.

Rain areas, scattered showers and isolated thunderstorms within 240nm of low,
cold front and troughs. 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 Thursday.