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 27 February 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] 28S152E 36S164E to high [1] 1017 hPa near 38S172E, forecast 28S154E
35S161E to high [1] 1018 hPa near 38S172E at 280600UTC and 28S153E 38S163E
39S170E at 281800UTC.

Ridge [2] 38S146E 45S147E 48S151E to high [2] 1013 hPa near 47S164E to 48S170E,
forecast 50S146E 52S155E to high [2] 1014 hPa near 48S167E to 49S170E at
280600UTC and 48S172E 52S167E at 281800UTC.

Ridge [3] west of area, forecast 43S129E 50S135E at 280600UTC and
37S149E 46S148E 51S151E at 281800UTC.

Trough [1] 31S152E 41S158E 46S170E weakened at 280600UTC.

Trough [2] 31S132E 40S136E to low [1] 994 hPa near 44S136E, forecast 30S136E
36S142E 44S144E to low [1] 989 hPa near 46S141E at 280600UTC and 37S149E
46S148E to low 988 hPa near 51S151E at 281800UTC.

Trough [3] 45S148E 42S155E, forecast 47S148E 44S158E at 280600UTC and 46S166E
50S157E to low 988 hPa near 51S151E at 281800UTC.

Cold front 40S129E to low [2] 997 hPa near 43S130E to 50S134E, forecast 47S139E
50S140E at 280600UTC and south of area at 281800UTC.

Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridges and 240nm of highs:
Variable winds below 20 knots, slight to moderate seas tending SW quarter 10/20
knots near ridge [3]. Low to moderate swell increasing to moderate to heavy
near ridge [3].

Remainder east of ridge [1]:
E quarter 15/25 knots. Slight to moderate seas. Low to moderate swell.

Remainder:
Clockwise winds 20/30 knots within 300nm of low. N quarter winds 15/25 knots
east of trough [2] shifting E/NE south of trough [3] reaching 20/30 knots west
of 160E by 281800UTC. Winds tending SW quarter 20/30 knots remainder west of
trough [2] [east of ridge [3]] tending S/SW 15/25 knots north of 38S.
NW quarter winds 20/30 knots remainder west of ridge [3]. Moderate to rough
seas. Moderate swell increasing to moderate to heavy at times west of 140E.

Rain areas, scattered showers and isolated thunderstorms within 240nm of cold
front and low and 180nm of troughs. Isolated showers elsewhere away from
ridges. Visibility reducing below 2nm in precipitation.

WEATHER MELBOURNE

The next routine forecast will be issued at 08:00 UTC Saturday.