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 1100 UTC 30 August 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
Melbourne Gale Warning 3 issued 300602UTC:
Area bounded by 45S130E 50S134E 50S129E 45S126E 45S130E.

Melbourne Gale Warning 4 issued 300627UTC:
Area bounded by 44S154E 44S160E 39S160E 38S156E 40S154E 44S154E.

New Zealand Gale Warning 703 issued 300600UTC:
Over waters east of 160E.
In an area bounded by 42S160E 43S162E 45S160E 42S160E: Northeast 35kt
developing next 6-12 hours.

Part 2 Situation at 0600 UTC
Refer to latest warnings.

Ridge [1] 46S164E 42S168E 37S170E 28S156E. Forecast 44S168E 39S170E 28S158E at
301800UTC and 38S166E 28S163E at 310600UTC.

Ridge [2] 36S140E 45S140E 50S145E. Forecast 37S141E 42S139E 50S147E at
301800UTC and 37S142E 44S141E 50S148E at 310600UTC.

Ridge [3] forming near 33S122E 44S128E at 301800UTC, forecast 32S127E 45S130E
50S134E at 310600UTC.

Trough [1] 28S158E 35S170E. Forecast 28S161E 35S170E at 301800UTC and 28S166E
31S169E 35S170E at 310600UTC.

Trough [2] 35S164E 39S160E to low 995 hPa near 41S157E, slow moving.

Cold front approaching from west, forecast 31S130E to low 1014hPa near 34S131E
to 50S131E at 301800UTC and 33S134E to low 1012hPa near 37S132E to 43S132E
50S135E at 310600UTC.

Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridges [1] and [3], within 120nm west of ridge [2], within
240nm east of ridge [2] and also west of front:
Variable winds below 20 knots. Slight to moderate seas. Low to moderate swell.

Remainder northeast of ridge [1]:
NW quarter winds 15/25 knots shifting SW quarter 10/20 knots west of trough
[1]. Slight to moderate seas. Low to moderate swell.

Remainder east of ridge [2], outside warning areas:
E quarter winds south of 44S, SW quarter winds north of 36S, clockwise winds
remainder around low [1]. Wind speeds 15/25 knots grading to 20/33 knots
outside warning areas in all quadrants except NE. Moderate to rough seas.
Moderate to heavy swell.

Remainder east of front, outside warning area:
N quarter winds 15/25 knots turning clockwise within 120nm of low [2] and
grading to 25/33 knots within 120nm of warning area. Moderate to rough seas.
Moderate to heavy swell.

Rain areas, scattered showers and isolated thunderstorms within 300nm of low
and trough [1], within 180nm of front and trough [2]. Scattered showers
remainder east of ridge [2] south of east of Tasmania. Visibility reducing
below 2nm in precipitation.

WEATHER MELBOURNE

The next routine forecast will be issued at 21:00 UTC Sunday.