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 18 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 4 issued 180653UTC: 
Area bounded by 39S153E 38S160E 50S160E 50S155E 45S152E 39S153E.

New Zealand Gale Warning 391 issued 180600UTC:
Over waters east of 160E.
Low 978hPa near 49S161E slow moving.
In a belt 300 nautical miles wide centred on a line 52S160E 47S154E 41S157E
40S164E: Clockwise 35kt. Gale area moving east southeast 15kt.

 
Part 2 Situation at 0600 UTC
Refer to latest warnings.

Ridge 40S129E to high 1027 hPa near 39S134E to 28S147E. Forecast 36S129E to high
1026 hPa near 38S137E to 28S154E at 181800UTC and 34S129E to high 1026 hPa near
38S139E to 28S156E at 190600UTC.

Trough 28S162E 38S167E to low [1] 990 hPa near 42S162E to low [2] 979 hPa near
48S161E to 50S163E. Forecast 30S170E 41S169E to low [1] 985 hPa near 45S167E to
low [2] 973 hPa near 49S162E to 50S163E at 181800UTC and 41S170E to low [2] 974
hPa near 48S163E to 50S163E at 190600UTC.

Cold front forecast 35S125E 50S131E at 190600UTC and 35S126E 50S136E at
191100UTC.
 
Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridge, 300nm of high and northwest of ridge: 
Variable winds below 20 knots. Slight to moderate seas. Moderate swell. 

East of trough, outside of warning areas:
NW quarter winds 15/25 knots north of 38S, turning N quarter 20/30 knots south
of 38S and tending clockwise 20/30 knots within 360nm of lows. Wind speeds
grading to 25/33 knots within 180nm of warning areas. Moderate to rough seas.
Moderate swell.

Remainder west of trough, outside of warning areas:
SW quarter east of 140E, turning NW quarter west of 140E and then SW quarter
west of cold front. Winds tending clockwise within 360 nm of lows. Wind speeds
15/25 knots northwest of line 42S129E 42S140E 28S165E, increasing to 20/30 knots
southeast of line 42S129E 42S140E 28S165E and then grading 25/33 knots within
180 nm of warning areas. Moderate to rough seas. Moderate to heavy swell.

Scattered showers and isolated thunderstorms within 300nm of lows, trough and
cold front. Scattered to isolated showers remainder south of ridge. Visibility
reducing below 2nm in precipitation.
 
WEATHER MELBOURNE
 
The next routine forecast will be issued at 2100  UTC 18 September 2014