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 20 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 Storm Warning 319 issued 201805UTC:
Over waters east of 160E and north of Ice Edge.
1. In a belt 180 nautical miles wide centred on a line 57S165E 56S167E 55S169E:
Southwest 50kt easing to 40kt next 6 hours. Storm area slow moving.
2. Outside area 1 and in a belt 420 nautical miles wide centred on a line
60S159E 51S173E 53S 172W: Westerly 40kt. Gale area moving east northeast 35kt.
This warning cancels and replaces warning 311.

 
Part 2 Situation at 1800 UTC
Refer to latest warnings.

Ridge [1] 47S129E 46S143E to high 1034hPa near 42S151E to 30S152E. Forecast
46S129E 48S132E 48S146E to high 1034hPa near 42S154E to 30S151E at 210600UTC and
near 50S155E to high 1030 hPa near 41S156E to 28S153E at 211800UTC.  

Ridge [2] from high 1034hPa near 42S151E to 45S166E 45S170E. Forecast from high
1034hPa near 42S154E to 46S166E 46S170E at 210600UTC and near from high 1030 hPa
near 41S156E to 43S170E at 211800UTC.  

Cold front 27S153E 35S170E to low 1011hPa near 38S170E. Forecast 28S159E 31S171E
to low 1014hPa near 36S171E at 210600UTC and near 28S169E 32S172E to low 1014
hPa near 35S170E at 211800UTC.  

Trough 31S135E 35S135E 38S129E. Forecast 33S137E 38S136E 42S131E 46S129E at
210600UTC and near 33S140E 45S137E 50S139E at 211800UTC.
 
Part 3 Forecast
Refer to latest warnings.

Within 120nm of ridges, 180nm of high: 
Variable winds below 20 knots with slight to moderate seas tending N quarter
15/25 knots along Ridge [1] west of 140E and SW quarter 15/25 knots along Ridge
[2] east of 160E with moderate seas. Low to moderate swell.  

Remainder east of Ridge [1], north of Ridge [2]: 
S quarter winds 20/30 knots. Moderate to rough seas. Low to moderate swell
increasing to heavy in far south.  

Remainder northwest or west of Ridge [1]: 
NE quarter winds 20/30 knots east of trough with moderate to rough seas turning
SW quarter 10/20 knots west of trough with slight to moderate seas. Low to
moderate swell 

Remainder south or east of ridge [1] and south of ridge [3], outside of warning
area: 
SW quarter winds tending NW quarter west of high centre. Wind speeds 20/30 knots
increasing to 25/33 knots within 120nm of warning area. Moderate to rough seas.
Heavy swell.  

Rain areas, scattered showers and isolated thunderstorms within 240nm of front
and trough and 300nm of low. Scattered showers remainder away from ridges.
Visibility reducing below 2nm in precipitation.
 
WEATHER MELBOURNE
 
The next routine forecast will be issued at 0800  UTC 21 October 2014