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 5 July 2015

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 1800 UTC
Refer to latest warnings.

Ridge [1] from high 1019 hPa near 28S162E to 28S170E and moving north of area
by 060000UTC.

Ridge [2] 50S141E 44S147E 40S155E. Forecast 40S154E 44S147E 50S142E at
060600UTC and 50S144E 46S144E 40S148E at 061800UTC.

Ridge [3] forecast 33S129E 45S129E at 060600UTC and 32S130E 35S132E 45S133E at
061800UTC.

Cold front [1] 33S135E 36S138E 38S139E to low[1] 1006 hPa near 40S135E to
trough [1] 40S135E to low [2] 1008 hPa near 44S133E to 44S129E. Forecast trough
[1] 35S139E 38S139E to low[1] 1011 hPa near 40S141E to 41S136E to low [2] 1012
hPa near 45S132E to 47S129E at 060600UTC and 36S142E to low [1] 1016 hPa near
40S140E to 41S136E 45S132E at 061800UTC.

Cold front [2] 40S149E 39S158E 40S165E 41S170E. Forecast 39S149E 37S157E
40S170E at 060600UTC and 36S151E 34S160E 38S170E at 061800UTC.

Trough [2] 41S136E 41S143E 40S149E. Forecast 40S141E 40S147E 39S149E at
060600UTC and 40S140E 39S146E 37S150E at 061800UTC.

Part 3 Forecast
Refer to latest warnings.

Within 240nm of ridges and high and 60nm of troughs:
Variable winds below 20 knots. Slight to moderate seas. Moderate swell
increasing moderate to heavy south of cold front [2].

Remainder west and northwest of ridge [2]:
NW quarter winds tending NE quarter southwest of trough [2] and SW quarter west
of cold front [1] and trough [1]. Winds tending clockwise within 180nm of low
[1] and 60nm of low [2]. Wind speeds 15/25 knots increasing to 20/30 knots
southwest of trough [2] and within 240nm of low [1] in the northwest quadrant
until 060900UTC. Moderate to rough seas. Moderate swell.

Remainder east of ridge [2] and outside warning areas:
W quarter winds tending S quarter south of cold front [2]. Wind speeds 15/25
knots increasing to 20/30 knots within 240nm northeast of cold front [2] east
from 165E after 061200UTC and also in area south of cold front [2]. Winds
speeds further increasing to 25/33 knots within 120nm of warning areas.
Moderate to rough seas. Moderate to heavy swell.

Rain areas, scattered showers and isolated thunderstorms within 240nm of cold
fronts and troughs. Scattered to isolated showers remainder away from ridges.
Visibility reducing below 2nm in precipitation.

WEATHER MELBOURNE

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