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 2300 UTC 31 JULY 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 734issued 311800UTC:
Over waters east of 160E.
1. In a belt 180 nautical miles wide centred on a line 47S 164E 49S 167E 51S
171E: Northwest 50kt easing to 40kt next 6-12 hours.
2. Outside area 1 and in an area bounded by 56S 177W 55S 175E 45S 156E 35S 157E
52S 178W 56S 177W: Northwest 40kt.
Storm and gale areas moving southeast 45kt.

New Zealand Gale Warning 738 issued 311800UTC:
In an area bounded by 41S 174E 42S 177E 44S 177E 43S 174E 41S 174E: Northwest
40kt. Gale area slow moving.

Melbourne Storm Force Wind Warning 6 issued 312006UTC:
Area bounded by 41S132E 47S145E 46S152E 49S160E 39S160E 35S153E 35S141E 34S135E
34S132E 41S132E.

 
Part 2 Situation at 1800 UTC
Refer to latest warnings.
Ridge[1] entering area 35S129E to high 1030hPa 36S133E to 28S147E by 011800UTC.
Ridge [2] entering area from high 1030hPa 36S133E to 50S138E by 011800UTC. 

Cold front 34S150E 43S159E to low [1] 978 hPa near 48S158E to 50S165E. Forecast 
50S170E 40S160E 30S153E at 010600UTC and near 28S157E 35S162E 46S166E 49S170E at
011800UTC.

Trough 35S138E to low [2] 994 hPa near 40S140E to low [3] 975 hPa near 45S148E
to 50S160E. Forecast 37S146E to low [3] 988 hPa near 45S154E to 48S160E at
010600UTC and near 32S150E 39S157E to low 996hPa 46S160E to 50S167E at
011800UTC.
 
Part 3 Forecast
Refer to latest warnings.

Within 180nm of high and north of ridge:
Variable winds to 15 knots. Slight seas. Low to moderate swell.

Remainder east of trough outside warning area: 
W quarter winds tending clockwise within 180nm of lows and NW quarter east of
cold front and also east of trough south of 40S. Wind speeds 20/30 knots grading
to 25/33 knots within 120nm of warning areas. Moderate to rough seas. Moderate
to heavy swell.

Remainder west of trough outside warning area:
SW quarter winds tending clockwise within 180nm of low and becoming westerly
quarter west of 140E by 011800UTC. Wind speed 20/30 knots with moderate to rough
seas grading to 25/33 knots within 120nm of warning area. Variable winds to 15
knots with slight seas within 240nm west of cold front south from 47S. Heavy
swell.

Scattered showers and isolated thunderstorms within 300nm of cold front, lows
and trough. Scattered showers remainder west of cold front and west of trough.
Visibility reducing below 2nm in precipitation.
 
WEATHER MELBOURNE
 
The next routine forecast will be issued at 0900  UTC 01 August 2014