South Eastern Area High Seas Forecast

IDY10210
SECURITE

High Seas Forecast for South Eastern Metarea 10
SOUTHEASTERN AREA: 28S/50S, 129E/170E
Issued by the Australian Government Bureau of Meteorology, BNOC
For 24 hours commencing 1100 UTC 24 August 2016

PLEASE BE AWARE
Wind gusts can be a further 40 percent stronger than the averages given here,
and maximum waves may be up to twice the height.

Part 1 Warnings
Melbourne Gale Warning 1 issued 240653UTC:
Area bounded by 37S160E 35S153E 34S151E 31S153E 32S160E 37S160E.

New Zealand Gale Warning 562 issued 240734UTC:
At 240600UTC.
In a belt 120 nautical miles wide centred on a line 45S173E 47S171E 50S166E:
Northeast 35kt. Gale area slow moving.

New Zealand Gale Warning 563 issued 240734UTC:
At 240600UTC.
In a belt 120 nautical miles wide centred on a line 41S171E 43S169E 45S166E:
Northeast 35kt easing next 6 hours. Gale area moving southeast 15kt.

New Zealand Gale Warning 564 issued 240734UTC:
At 240600UTC. Over waters east of 160E.
Low 1002hPa near 30S157E moving east southeast 30kt.
Within 180 nautical miles of low in eastern quadrant: Clockwise 35kt developing
next 6-12 hours. Gale area then moving with low.

Part 2 Situation at 0600 UTC
Refer to latest warnings.

Ridge [1] 37S150E 38S155E 35S167E. Forecast 40S150E 40S161E 38S170E at
241800UTC and 41S150E 43S164E 45S168E at 250600UTC.

Ridge [2] 45S129E 50S140E. Forecast 41S129E 50S145E at 241800UTC and 38S129E
38S136E 50S151E at 250600UTC.

Trough [1] 28S154E to low [1] 1002 hPa near 30S157E to 38S173E to low [2] 997
hPa near 43S166E to 50S161E. Forecast 32S150E to low [1] 997 hPa near 34S154E
to 34S166E 38S175E to low [2] 1000 hPa near 45S167E to 50S163E at 241800UTC and
28S157E to low [1] 988 hPa near 35S160E to 38S175E 50S167E at 250600UTC.

Low [3] 999 hPa near 50S153E. Forecast 997 hPa near 49S152E at 241800UTC and
998 hPa near 47S155E at 250600UTC.

Trough [2] 34S136E 37S129E. Forecast 33S135E 33S129E at 241800UTC then
weakening near 29S129E 30S137E at 250600UTC.

Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridges:
Variable winds below 20 knots. Slight to moderate seas. Low to moderate swell.

Remainder north and east of trough [1], outside warning areas:
NW quarter winds north of low [2], tending NE quarter south of low [2]. Winds
turning clockwise within 300nm of lows [1] and [2]. Wind speeds 20/30 knots,
increasing to 25/33 knots within 120nm of warning areas. Moderate to rough
seas. Low to moderate swell.

Remainder north of ridge [1], outside warning areas:
SE quarter winds 15/25 knots, turning clockwise 20/30 knots within 240nm of low
[1]. Winds increasing to 25/33 knots within 120nm of warning areas. Moderate to
rough seas. Low to moderate swell.

Remainder south of ridge [1]:
SW quarter winds 15/25 knots, turning clockwise 20/30 knots within 360nm of
lows [2] and [3]. Moderate to rough seas. Moderate swell.

Remainder east of ridge [2]:
SW quarter winds 10/20 knots, turning SE quarter within 240nm south of trough
[2]. Slight to moderate seas. Moderate swell.

West of ridge [2]:
W quarter winds 20/30 knots. Moderate to rough seas. Moderate to heavy swell.

Rain areas, scattered showers, and isolated thunderstorms within 360nm of cold
front/troughs and lows. Isolated showers remainder. Visibility reducing to
below 2nm in precipitation.

WEATHER MELBOURNE

The next routine forecast will be issued at 21:00 UTC Wednesday.