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 1100 UTC 20 SEPTEMBER 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 3 issued 200800UTC:
Area bounded by 50S151E 48S154E 45S160E 50S160E 50S151E.

New Zealand Gale Warning 456 issued 200600UTC:
Over waters east of 160E. Low 987hPa near 42S168E moving northeast 25kt.
Within 420 nautical miles of low in sector from southwest through northwest to
north: Clockwise 35kt. Gale area moving with low.

New Zealand Gale Warning 457 issued 200600UTC:
Over waters east of 160E. In an area bounded by 55S160E 44S160E 49S165E 55S162E
55S160E: Southwest 35kt developing next 6-12 hours.

 
Part 2 Situation at 0600 UTC
Refer to latest warnings.

Ridge 40S129E to high 1031 hPa near 39S140E to 28S154E. Forecast 38S129E to high
1031 hPa near 39S141E to 28S153E at 201800UTC and 32S129E to high 1031 hPa near
39S143E to 28S153E at 210600UTC.

Low 988 hPa near 42S168E. Forecast 994 hPa near 38S171E at 201800UTC and far
east of the area by 210600UTC.

Cold front 46S142E 47S150E 50S154E. Forecast 42S155E 46S163E 50S166E at
201800UTC and 39S166E 42S170E at 210600UTC.
 
Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridge and 240nm of high:
Variable winds below 20 knots. Slight to moderate seas. Moderate swell. 

Remainder north of ridge:
NE quarter winds 10/20 knots. Slight to moderate seas. Low to moderate swell.

Remainder south of ridge, outside of warning areas:
SW quarter winds tending W quarter west of 150E and NW quarter west of 140E.
Clockwise winds within 300nm of low. Wind speeds 15/25 knots increasing to 20/30
knots south of line 50S148E 40S162E 28S170E. Winds further grading to 25/33
knots within 120nm of warning areas. Moderate to rough seas. Moderate to heavy
swell.

Rain area, scattered showers and isolated thunderstorms within 300nm of low,
trough and cold front. Isolated to scattered showers remainder south of ridge.
Visibility reducing below 2nm in precipitation.
 
WEATHER MELBOURNE
 
The next routine forecast will be issued at 2100  UTC 20 September 2014