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 30 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
New Zealand Gale Warning 870 issued 300732UTC:
Low 1009hPa near 30S174E moving southsouthwest 15kt.
In a belt 180 nautical miles wide centred on a line 31S179E 35S176E 37S174E:
Clockwise 40kt at times.
Gale area moving westsouthwest 10kt.
 
Part 2 Situation at 0600 UTC
Refer to latest warnings.

Ridge 38S147E 44S153E 47S164E 46S170E. Forecast 37S149E 45S157E 47S165E 45S170E
at 301800UTC and 34S149E 40S155E 44S162E 45S170E at 310600UTC.

Trough 28S160E to low 1009 [1] hPa near 32S161E to low [2] 1009 hPa near 36S165E
to 41S167E. Forecast 28S163E to low [1] 1009 hPa near 31S162E to low [2] 1009
hPa near 36S161E to 41S164E at 301800UTC and 28S165E to low [1] 1009 hPa near
31S165E to low [2] 1009 hPa near 35S160E to 41S161E at 310600UTC.

Cold front [1] 31S129E 44S135E 50S142E. Forecast 32S133E 50S143E at 301800UTC
and weakening near 45S145E 50S149E at 310600UTC.

Cold front [2] 35S122E 40S124E 50S123E 52S120E. Forecast 30S125E 39S132E 46S134E
50S130E at 301800UTC and 34S135E 44S143E 50S142E at 310600UTC

Low [3] 1009 hPa near 30S174E. Forecast 1007 hPa near 34S172E at 301800UTC and
1005 hPa near 35S170E at 310600UTC.
 
Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridge: 
Variable winds below 20 knots. Slight to moderate seas. Moderate swell.  

Remainder north of ridge, outside warning area: 
SE quarter shifting NE quarter east of trough north of low [2] latitude and SW
quarter west of trough north of low [1] latitude. Winds turning clockwise within
300nm of low [1] and 120nm of low [2] and low [3]. Wind speeds 15/25 knots,
increasing to 25/33 knots within 120nm of low [2] and low [3] in the southern
semicircles and warning area. Moderate to rough seas. Moderate swell.  

Remainder south and west of ridge: 
NW quarter west of front [1] and W quarter west of front [2]. Winds tending NE
quarter within 180nm east of front [2] south of 44S and SW quarter within 180nm
west of front [2]. Wind speeds 15/25 knots increasing to 20/33 knots within
180nm east of of front south of 45S and west of front [2] south of 46S. Moderate
to rough seas. Moderate swell increasing to moderate to heavy near/west of front
[1] south of 45S.  

Rain areas, scattered showers and isolated thunderstorms within 360nm of lows
and 240nm of trough and cold fronts. Isolated to scattered showers remainder
away from ridge. Visibility reducing below 2nm in precipitation.
 
WEATHER MELBOURNE
 
The next routine forecast will be issued at 2100  UTC 30 August 2014