South Eastern Area High Seas Forecast

IDY10210
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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 21 November 2014

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] 28S163E 31S170E. Slow moving and forecast 28S162E 30S166E 31S170E at
221800UTC.

Ridge [2] 35S156E 37S152E 50S156E. Forecast 37S162E to high 1016 hPa near
40S157E to 50S165E at 220600UTC and 36S168E to high 1019 hPa near 39S166E to
42S165E 45S168E at 221800UTC.

Ridge [3] 33S129E 36S140E. Slow moving and forecast 34S129E 36S140E at
221800UTC.

Ridge [4] 35S149E 37S152E. Forecast 35S150E to high 1016 hPa near 40S157E at
220600UTC and dissipating by 221200UTC.

Trough [1] 31S153E 34S155E 38S163E 45S170E. Forecast 31S153E 34S156E 38S170E at
220600UTC and 36S160E 36S170E at 221800UTC.

Developing trough [2] forecast 38S143E 42S144E at 220600UTC and 37S149E 45S151E
at 221800UTC.

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 between ridge [1] and trough [1]:
NW quarter winds 15/25 knots increasing to 20/30 knots within 180nm of trough
[1] east from 165E until 220300UTC and within 180nm of the New South Wales
coast between 221200UTC and 221800UTC. Moderate to rough seas. Low to moderate
swell.

Remainder south of trough [1] and east of ridge [2]:
SW quarter winds 15/25 knots reaching 20/30 knots at times until 221200UTC.
Moderate to rough seas. Moderate swell.

Remainder:
E quarter winds NE of ridge [4] until 221200UTC. NW quarter winds remainder
tending N quarter east of trough [2] and W quarter within 300nm west of trough
[2]. Wind speeds 15/25 knots reaching 20/30 knots at times south of 42S and
within 120nm east of trough [2] after 221200UTC. Moderate to rough seas. Low to
moderate swell increasing to moderate to heavy west of 140E.

Scattered showers and isolated thunderstorms within 180nm of troughs. Scattered
to isolated showers remainder south of 40S and west of ridge [2]. Visibility
reducing below 2nm in precipitation.

WEATHER MELBOURNE

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