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 1100 UTC 14 FEBRUARY 2012
 
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 41S129E 46S145E to high 1023 hPa near 42S154E to 48S160E 48S170E. Forecast
41S129E 46S146E to high 1023 hPa near 43S155E 48S161E 48S170E at 141800UTC and
35S129E 44S136E 48S153E to high 1024 hPa near 43S158E to 48S162E 48S170E at
150600UTC.

Trough [1] 28S163E 35S170E to low [1] 1010 hPa near 42S168E. Forecast 28S164E
35S170E to low [1] 1008 hPa near 40S169E at 141800UTC and 28S167E 35S172E to low
[1] 1010 hPa near 39S141E at 150600UTC.

Trough [2] 32S134E to low [2] 1010 hPa near 36S133E. Forecast 34S137E to low [2]
1007 hPa near 38S133E at 141800UTC and 36S140E to low 1006 hPa near 41S137E at
150600UTC.

Cold front near 49S129E 50S130E. Forecast 48S127E 50S131E at 141800UTC and
44S129E 50S137E at 150600UTC.
 
Part 3 Forecast
Refer to latest warnings.

Within 120nm of ridge and 240nm of highs:
Variable winds to 15 knots tending northerly quarter 10/20 knots along ridge
between 140E and 155E after 150600UTC. Light to moderate seas. Low to moderate
swell.

Remainder north of ridge and east of 150E:
Southerly quarter winds tending clockwise within 360nm of low [1] and shifting
easterly quarter east of trough [1]. Wind speeds 10/20 knots increasing to 20/25
knots within 360nm of low [1] and reaching 25/33 knots within 300nm of western
semicircle of low [1]. Slight to moderate seas grading to rough within 300nm of
western semi circle of low [1]. Low to moderate swell.

Remainder north of ridge and west of 150E:
Northeasterly quarter winds tending clockwise within 180nm of low [2] and
shifting westerly quarter west of trough. Wind speeds 15/20 knots reaching 20/25
knots between 142E and 150E north of 41S. Moderate seas. Low to moderate swell.

Remainder south of ridge:
Westerly quarter winds shifting N/NW west of 150E then shifting SW west of cold
front. Wind speeds 15/25 knots increasing to 20/30 knots within 300nm east of
cold front. Moderate to rough seas. Moderate swell.

Rain areas, scattered showers and isolated thunderstorms within 240nm of trough
[1] and low [1], also within 240nm of cold front. Isolated to scattered showers
and thunderstorms between trough [1] and 150E. Isolated showers within 240nm of
low [2]. Visibility reducing below 2nm in precipitation.
 
WEATHER MELBOURNE