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 21 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
Nil.

 
Part 2 Situation at 0600 UTC
Refer to latest warnings.

Ridge [1] 29S151E to high [1] 1034hPa near 42S154E to 47S166E 46S170E. Forecast
28S153E to high [1] 1030hPa near 41S156E to 46S167E 45S170E at 211800UTC and
29S153E to high [1] 1026hPa near 40S159E to 46S168E 45S170E at 220600UTC.

Ridge [2] from high 1034hPa near 42S154E to 50S151E. Forecast from high 1030hPa
near 41S156E to 50S156E at 211800UTC, then weakening out.

Ridge [3] developing, forecast from high 1026hPa near 40S159E to 40S170E at
220600UTC.

Ridge [4] approaching from west, forecast 30S129E to high 1027hPa near 43S129E
at 220600UTC.

Cold front 25S152E 32S172E to low 1013hPa near 36S170E. Forecast 28S169E 32S173E
to low 1015hPa near 35S170E at 211800UTC and 28S172E 31S173E to low 1014hPa near
33S170E at 220600UTC.

Trough 33S136E 37S136E 44S131E 50S130E. Forecast 34S140E 47S138E 50S140E at
211800UTC and 37S144E 42S144E 50S151E at 220600UTC.
 
Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridges, 240nm of highs and northeast of front:
Variable winds below 20 knots with slight to moderate seas tending N quarter
15/25 knots along ridge [2] south of 47S with moderate to rough seas. Low to
moderate swell, moderate to heavy south of 40S.

Remainder northeast of ridge [1]:
S quarter winds 20/30 knots easing to 15/25 knots by 220001UTC. Moderate to
rough seas. Low to moderate swell increasing to heavy south of 32S.

Remainder south of ridge [1] and east of ridge [2]:
W quarter winds 20/30 knots. Moderate to rough seas. Heavy swell.

Remainder east of trough:
NW quarter winds tending N quarter north of 46S. Wind speeds 20/33 knots.
Moderate to rough seas. Moderate to heavy swell.

Remainder west of trough:
SW quarter winds 20/30 knots tending S quarter 15/25 knots north of 40S.
Moderate to rough seas. Low to moderate swell, moderate to heavy south of 40S.

Rain areas, scattered showers and isolated thunderstorms within 240nm of front
and trough and within 300nm of low. Visibility reducing below 2nm in
precipitation.
 
WEATHER MELBOURNE
 
The next routine forecast will be issued at 2000  UTC 21 October 2014