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 23 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
Melbourne Gale Warning issued 231816UTC:
Area bounded 45S135E 46S143E 46S150E 44S150E 43S140E 45S135E.

Part 2 Situation at 1800 UTC
Refer to latest warnings.

Ridge [1] 28S162E 30S170E. Slow moving and forecast 28S164E 31S170E at
241800UTC.

Ridge [2] 30S170E 39S158E to high 1014 hPa near 43S155E to 50S165E. Forecast
31S170E 35S167E to high 1014 hPa near 44S162E to 50S168E at 240600UTC and
weakening by 241800UTC.

Front [1] 36S136E 43S141E 47S140E to low [1] 990 hPa near 48S135E. Forecast
38S144E 46S149E 50S147E at 240600UTC and 33S151E 39S157E 43S157E 50S153E at
241800UTC.

Front [2] approaching far southwest of area and forecast 45S129E 47S132E
50S131E at 241800UTC and 43S129E 44S134E 47S137E 50S135E at 250000UTC.

Trough [1] 36S141E 39S142E. Forecast 37S147E 39S149E 41S149E at 240600UTC and
merging with front [1] by 241800UTC.

Trough [2] 39S131E to low [2] 989 hPa near 46S135E. Forecast 42S139E to low [2]
991 hPa near 46S141E to 50S142E at 240600UTC and 44S148E to low [2] 991 hPa
near 46S148E to 50S149E at 241800UTC then weakening by 250000UTC.

Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridge [1], 120nm of ridge [2] and east of ridge [2]:
Variable winds below 20 knots. Slight to moderate seas. Low to moderate swell.

Remainder east of front [1]:
N quarter winds tending W quarter between front [1] and trough [1]. Wind speeds
15/25 knots reaching 20/33 knots within area bounded by 29S153E 29S156E 34S159E
34S155E 32S152E and at times within 180nm east of front [1] and trough [1].
Moderate to rough seas. Low to moderate swell.

Remainder west of front [1] outside warning area:
SW quarter winds tending NW quarter between trough [2] and front [1] and W
quarter within 180nm east of front [2]. S quarter winds in the Great Australian
Bight and clockwise winds within 90nm of low [2]. Wind speeds 15/25 knots north
of a line 39S129E 38S141E increasing to 20/33 knots elsewhere outside warning
area but easing to 10/20 knots in the Great Australian Bight. Moderate to rough
seas. Moderate swell.

Scattered showers and isolated thunderstorms within 180nm of troughs and
fronts. Isolated to scattered showers remainder away from ridges. Visibility
reducing below 2nm in precipitation.

WEATHER MELBOURNE

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