South Eastern Area High Seas Forecast

IDY10210
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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 3 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 031921UTC:
Area bounded by 50S123E 44S133E 39S146E 38S150E 44S160E 50S160E 50S123E.

Part 2 Situation at 1800 UTC
Refer to latest warnings.

Ridge [1] 32S129E 31S132E and slow moving.

Ridge [2] forecast 33S151E 42S164E at 040600UTC and 28S155E 33S160E 39S170E at
041800UTC.

Ridge [3] forecast 33S151E 42S164E at 040600UTC and then weakening by 041800UTC.

Trough/cold front [1] 28S155E 34S159E 41S170E. Forecast 28S161E 34S170E at
040600UTC and 28S161E 31S166E 33S170E at 041800UTC.

Trough [2] 47S131E 50S134E. Forecast 45S142E 50S144E at 040600UTC and 43S153E
47S154E to low 983 hPa near 48S150E to 50S150E at 041800UTC.

Cold front 47S130E 48S136E 50S139E. Forecast 41S137E 47S154E 50S156E at
040600UTC and 37S140E 41S152E 45S158E 50S161E at 041800UTC.

Part 3 Forecast
Refer to latest warnings.

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

Remainder east of trough [1]:
NW quarter winds 15/25 knots, increasing to 20/30 knots between 35S and 45S
until 041200UTC. Moderate to rough seas. Moderate to heavy swell.

Remainder and outside warning area:
W quarter winds tending S quarter within 180nm west of trough [1], NW quarter
within 420nm east of cold front and 180nm east of trough [2] and clockwise
within 180nm of low. Wind speeds 15/25 knots becoming variable below 15 knots
in the southeast quadrant of low. Wind speeds increasing to 25/33 knots within
180nm of warning area. Moderate to rough seas. Moderate to heavy swell.

Rain areas, scattered showers and isolated thunderstorms within 240nm of cold
fronts 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 Tuesday.