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 21 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 2 issued at 210712UTC:
Area bounded by 41S122E 45S120E 50S123E 50S138E 41S126E 41S122E.
 
Part 2 Situation at 0600 UTC
Refer to latest warnings.

Ridge [1] 33S137E to high 1033 hPa near 43S152E to 50S170E, forecast 38S147E to
high 1036 hPa near 44S156E to 46S170E at 201800UTC and 37S149E to high 1038 hPa
near 44S159E to 44S170E at 220600UTC.

Ridge [2] 50S148E to high 1033 hPa 43S152E, forecast 50S152E to high 1036 hPa
near 44S156E at 211800UTC and 50S159E to high 1038 hPa near 44S159E at
220600UTC.

Cold front [1] west of area, forecast 34S123E 44S130E 50S132E at 211800UTC then
weakening.

Cold front [2] west of area, forecast 32S133E 43S128E 50S127E at 220600UTC.
 
Part 3 Forecast
Refer to latest warnings.

Within 120nm of ridges and 240nm of high:
Variable winds below 20 knots tending SW quarter 15/25 knots east of 165E.
Slight to moderate seas. Low to moderate swell increasing to moderate to heavy
east of 160E till 211800UTC, then low to moderate swell.

Remainder northeast of ridge [1]:
SE quarter winds 10/20 knots increasing to 20/30 knots within 60nm of a line
45S166E 39S167E till 211200UTC. Slight to moderate seas rising to moderate to
rough near a line 45S166E 39S167E. Low to moderate swell west of 160E increasing
to moderate to heavy east of 160E.

Remainder south and west of ridge [1] outside warning area:
N quarter winds tending SW quarter east of ridge [2] and also west of cold front
[2]. Wind speeds 15/25 knots increasing to 20/30 knots at times southwest of a
line 39S129E 41S133E 50S144E and grading to 25/33 knots within 120nm of warning
area. Low to moderate swell grading to moderate to heavy east of 150E and also
southwest of a line 39S129E 41S133E 50S144E.

Scattered showers and isolated thunderstorms within 180nm of cold fronts.
Scattered to isolated showers remainder away from ridges. Visibility reducing
below 2nm in precipitation.
 
WEATHER MELBOURNE
 
The next routine forecast will be issued at 2100  UTC 21 August 2014