South Eastern Area High Seas Forecast

IDY10210
SECURITE
 
HIGH SEAS FORECAST FOR METAREA 10
SOUTHEASTERN AREA: 28S/50S, 129E/170E
Issued by the Bureau of Meteorology National Meteorological and Oceanographic
Centre
FOR 24 HOURS COMMENCING 1100 UTC 28 AUGUST 2014
 
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 280801UTC:
Area 1: Bounded by 40S121E 34S112E 34S114E 40S123E 48S136E 50S135E 40S121E.
Area 2: Bounded by 46S125E 50S131E 50S121E 47S118E 45S120E 46S125E.

Melbourne Gale Warning 3 issued 280729UTC:
Area bounded by 34S160E 25S155E 25S153E 28S153E 30S155E 34S154E 37S155E 40S160E
34S160E.

New Zealand Gale Warning 808 issued 280703UTC:
Over waters east of 160E.
Low 1007hPa near 32S161E moving south 5kt.
In a belt 180 nautical miles wide centred on a line 32S172E 37S166E 36S160E:
Clockwise 35kt at times.
Gale area moving south 10kt.
 
Part 2 Situation at 0600 UTC
Refer to latest warnings.

Ridge [1] 37S147E 43S154E 46S164E 45S170E. Forecast 38S147E 44S154E to high 1035
hPa near 47S164E to 46S170E at 281800UTC and 38S145E 43S149E to high 1035 hPa
near 49S164E to 47S170E at 290600UTC.

Ridge [2] 35S137E 46S143E 50S151E. Forecast 36S141E 45S146E 50S154E at
281800UTC, then weaken and merged with ridge [1] at 290600UTC.

Trough [1] from 28S159E to low 1007 hPa near 32S161E to 42S168E. Forecast
28S162E 31S162E to low 1007 hPa near 34S160E to 42S166E at 281800UTC and 28S164E
31S165E to low 1004 hPa near 34S159E to 42S164E at 290600UTC.

Trough [2] forecast near 42S125E 50S131E at 281800UTC and 42S127E 50S133E at
290600UTC.
 
Part 3 Forecast
Refer to latest warnings.

Within 120nm of ridges and 240nm of high, also remainder between ridge[1] and
ridge [2]:
Variable winds below 20 knots. Slight to moderate seas. Moderate swell.

Remainder north of ridge [1], outside warning areas:
SE quarter shifting NE quarter east of trough [1] and SW quarter west of trough
[1] north of low. Winds turning clockwise within 360nm of low. Wind speeds 20/30
knots, increasing to 25/33 knots within 120nm of warning areas. Moderate to
rough seas. Moderate swell.

Remainder west of ridge [2] and west of ridge [1] after 290600UTC, outside of
warning areas:
N/NW winds 20/30 knots, increasing to 25/33 knots within 120nm of warning areas.
Moderate to rough seas. Moderate to heavy swell.

Rain areas, scattered showers and isolated thunderstorms within 240nm of lows,
trough and also north of a line 33S151E 40S157E 40S170E. Isolated showers
remainder away from ridges. Visibility reducing below 2nm in precipitation.
 
WEATHER MELBOURNE
 
The next routine forecast will be issued at 2100  UTC 28 August 2014