South Eastern Area High Seas Forecast

IDY10210
SECURITE

Updated 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 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 3 issued 291756UTC:
Area bounded by 43S132E 50S135E 50S126E 41S124E 43S132E.

Melbourne Gale Warning 4 issued 291802UTC:
Area bounded by 42S150E 46S153E 47S158E 41S160E 39S160E 38S152E 40S150E 42S150E.

New Zealand Gale Warning 692 issued 291821UTC:
At 291800UTC over waters east of 160E. In an area bounded by 40S160E 40S165E
45S160E 40S160E: Northeast 35kt developing next 6 hours. Gale area then slow
moving.

Part 2 Situation at 1800 UTC
Refer to latest warnings.

Ridge [1] 35S140E 40S138E 50S143E. Forecast 36S141E 42S140E 50S144E at
300600UTC and 37S142E 43S142E 50S147E at 301800UTC.

Ridge [2] 44S164E 40S167E 34S167E 32S170E. Forecast 45S165E 41S169E 36S169E
35S170E at 300600UTC and weakening by 301800UTC.

Trough 28S156E 33S166E. Forecast 28S158E 34S170E at 300600UTC and 28S161E
35S170E at 301800UTC.

Low 995 hPa near 40S158E. Slow moving and forecast 995 hPa near 41S157E at
300600UTC and 995 hPa near 40S159E at 301800UTC.

Front approaching far west of area and forecast 37S129E 45S130E 50S128E at
301200UTC and 31S130E 38S131E 45S132E 50S132E at 301800UTC.

Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridge [1], 120nm of ridge [2] and east of ridge [2]:
Variable winds below 20 knots. Slight to moderate seas. Moderate swell.

Remainder west of ridge [1] outside warning area:
N quarter winds east of front. SW quarter winds west of front tending NW
quarter south of 45S. Wind speeds 15/25 knots grading to 20/33 knots south of
40S outside warning area. Moderate to rough seas. Moderate to heavy swell.

Remainder east of ridge [1] and north of 33S:
NW quarter winds 15/25 knots east of trough increasing to 20/33 knots after
301800UTC. Variable winds below 20 knots west of trough tending SW quarter
15/25 knots west of 155E and SW quarter 15/25 knots throughout after 301800UTC.
Moderate to rough seas. Moderate swell.

Remainder east of ridge [1] and south of 33S outside warning areas:
Clockwise winds around low tending SE quarter south of 45S. Wind speeds 15/25
knots within 300nm of ridge [1] and south of 48S grading to 20/33 knots
elsewhere outside warning area. Moderate to rough seas. Moderate to heavy swell.

Rain areas, scattered showers and isolated thunderstorms within 300nm of low
and 180nm of front and trough. Scattered to isolated showers remainder east of
ridge [1] and away from ridge [2] . Visibility reducing below 2nm in
precipitation.

WEATHER MELBOURNE

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