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 Bureau National Operations Centre
FOR 24 HOURS COMMENCING 2300 UTC 24 OCTOBER 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 424 issued 241810UTC:
Over waters east of 160E.
Low 970hPa near 60S155E moving eastsoutheast 25kt.
1. In a belt 300 nautical miles wide centred on a line 46S163E 50S164E 58S170E:
Clockwise 35kt. Gale area moving east 10kt.
2. Outside area 1 and within 360 nautical miles of low in sector from northwest
through northeast to east: Clockwise 35kt developing next 6 hours. Gale area
moving eastsoutheast 25kt.
 
Part 2 Situation at 1800 UTC
Refer to latest warnings.

Ridge [1] 28S160E to high [1] 1025 hPa near 40S167E to 46S170E. Forecast 28S161E
to high [1] 1024 hPa near 38S171E at 250600UTC and 28S162E 35S170E at 251800UTC.

Ridge [2] 31S129E to high [2] 1018 hPa near 43S133E to 50S137E. Forecast 33S129E
to high [2] 1019 hPa near 45S140E to 50S140E at 250600UTC and 34S129E 40S140E to
high [2] 1018 hPa near 45S149E to 50S145E at 251800UTC.

Cold front/trough 35S151E 50S154E. Forecast 34S152E 42S158E 50S165E at 250600UTC
and 34S152E 40S160E 46S170E at 251800UTC.
 
Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridges and 240nm of highs:
Variable winds below 20 knots. Slight to moderate seas. Low to moderate swell.

Remainder east of ridge [1]:
SE quarter winds 10/20 knots. Slight to moderate seas. Moderate swell.

Remainder west of ridge [1] and east of ridge [2], outside warning area:
N/NW winds 20/30 knots east of front/trough, increasing to 25/33 knots within
120nm of warning area. Winds shifting SW quarter 15/25 knots west of
front/trough increasing to 20/30 knots south of 45S. Winds shifting SE quarter
15/25 knots north of high [2]. Moderate to rough seas. Moderate swell,
increasing to moderate to heavy west of front/trough, south of 45S.

Remainder west of ridge [2]:
N quarter winds 15/25 knots increasing to 20/30 knots south of 40S and west of
134E after 251200UTC. Moderate to rough seas. Moderate swell.

Rain areas, scattered showers and isolated thunderstorms within 240nm of
cold front/trough and south of 40S, west of 134E after 251500UTC. Isolated
showers remainder away from ridges. Visibility reducing below 2nm in
precipitation.
 
WEATHER MELBOURNE
 
The next routine forecast will be issued at 0800  UTC 25 October 2014