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 22 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
New Zealand Storm Warning 527 issued 221800UTC:
Over waters east of 160E.
Low 946hPa near 61S 170E moving east 25kt.
1. Within 480 nautical miles of low in northwest quadrant: Clockwise 50kt at
times. Storm area moving east 25kt.
2. Outside area 1 and in a belt 240 nautical miles wide centred on a line
53S178W 59S175W 64S179E: Clockwise 40kt. Gale area moving east northeast 25kt.
3. Outside areas 1 and 2 and within 900 nautical miles of low in sector from
west through north to northeast: Clockwise 35kt. Gale area moving east 25kt.
 
Part 2 Situation at 1800 UTC
Refer to latest warnings.

Ridge [1] 28S154E to high 1031 hPa near 36S155E to 39S170E. Forecast 28S154E to
high 1028 hPa near 36S158E to 33S170E at 290600UTC and 28S154E to high 1028 hPa
near 35S161E 32S170E at 231800UTC.

Ridge [2] 45S129E 50S142E. Forecast 42S129E 50S145E at 230600UTC and 39S129E
50S150E at 231800UTC.

Cold front 30S131E to low 1010 hPa near 33S130E to 38S130E 44S133E 50S144E.
Forecast 30S133E to low 1008 hPa near 34S131E to 44S136E 50S148E at 230600UTC
and 32S135E 36S135E 41S137E 50S150E.
 
Part 3 Forecast
Refer to latest warnings.

Within 120nm of ridges and 240nm of high:
Variable winds below 20 knots. Slight to moderate seas. Low to moderate swell
increasing to moderate to heavy swell east of 165E and also along ridge [2]
south of 45S.

Remainder northeast of ridge [1]:
SE quarter winds 10/20 knots with slight to moderate seas, increasing to 15/25
knots east of 165E until 230001UTC with moderate to rough seas. Low to moderate
swell increasing to moderate to heavy swell east of 165E.

Between cold front and ridge [1], outside warning areas:
NW quarter winds, tending N quarter north of 40S west of 155E and W quarter east
of 155E. Wind speeds 15/25 knots, increasing to 20/30 knots south of 43S. Winds
grading to 25/33 knots within 120nm of warning areas. Moderate to rough seas.
Low to moderate swell increasing to heavy swell south of 45S.

Remainder west of cold front:
SW quarter winds east of ridge [2], turning NW quarter west of ridge [2] and
tending clockwise within 240 nm of low. Wind speeds 20/30 knots, increasing to
25/33 knots within 300 nm of low. Moderate to rough seas. Moderate to heavy
swell.

Rain areas, scattered showers and isolated thunderstorms within 300nm of cold
front. Isolated showers remainder west of ridge [1]. Visibility reducing below
2nm in precipitation.
 
WEATHER MELBOURNE
 
The next routine forecast will be issued at 0900  UTC 23 September 2014