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 2300 UTC 28 June 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
New Zealand Gale Warning 642 issued 281800UTC:
Over waters east of 160E.
In an area bounded by 49S160E 48S164E 51S163E 53S160E 49S160E:
Southwest 35kt developing next 6-12 hours.

New Zealand Gale Warning 643 issued 281800UTC:
Over waters east of 160E.
Low 995hPa near 50S162E moving eastsoutheast 35kt.
Within 180 nautical miles of low in northern semicircle: Clockwise 35kt
developing next 6 hours.
Gale area moving with low.

Melbourne Gale Warning 1 issued 281814UTC:
Area bounded by 42S102E 38S118E 37S135E 40S137E 50S133E 50S100E 43S108E 42S102E.

Melbourne Gale Warning 5 issued 281953UTC:
Area bounded by 37S138E 42S140E 46S143E 45S147E 37S142E 37S138E.

Part 2 Situation at 1800 UTC
Refer to latest warnings.

Ridge [1] 37S150E 44S170E. Forecast 37S150E 43S170E at 290600UTC then weakening
by 291800UTC.

Ridge [2] 38S145E 50S142E. Forecast 38S149E 50S152E at 290600UTC and 30S153E
43S160E 50S160E at 291800UTC.

Trough [1] 28S163E 33S165E to low [1] 1004 hPa near 36S171E then east of area
by 290600UTC.

Cold front [1] 46S153E 50S155E. Forecast 45S164E 50S166E to low [2] 995 hPa
near 51S166E at 290600UTC then east of area by 291800UTC.

Cold front [2] approaching from west. Forecast 43S131E 38S132E 32S129E at
290600UTC and 32S132E 35S137E 42S142E 50S137E at 291800UTC.

Trough [2] developing near 37S133E 42S136E 45S134E 50S136E at 291800UTC.

Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridges:
Variable winds below 20 knots tending W quarter along ridge [2]. Slight to
moderate seas. Moderate swell increasing to moderate to heavy along ridge [2].

Remainder north of ridge [1], outside warning area:
S quarter winds tending W quarter east of trough. Winds turning clockwise
within 120nm of low [1]. Wind speeds 15/25 knots and grading to 25/33 knots
within 120nm of trough and warning area. Moderate to rough seas. Low to
moderate swell.

Remainder, outside warning areas:
SW quarter winds east of ridge [2] shifting NW quarter east of cold front [1].
N quarter winds west of ridge [2] shifting SW quarter west of cold front [2].
Clockwise winds within 120nm of low [2]. Wind speeds 20/30 knots and grading to
25/33 knots within 120nm of warning areas. Moderate to rough seas. Moderate to
heavy swell.

Rain areas, scattered showers and thunderstorms within 300nm of lows and cold
fronts/trough. Isolated showers remainder. Visibility reducing below 2nm in
precipitation.

WEATHER MELBOURNE

The next routine forecast will be issued at 09:00 UTC Wednesday.