South Eastern Area High Seas Forecast


High Seas Forecast for South Eastern Metarea 10
Issued by the Australian Government Bureau of Meteorology, BNOC
For 24 hours commencing 1100 UTC 28 October 2016

Wind gusts can be a further 40 percent stronger than the averages given here,
and maximum waves may be up to twice the height.

Part 1 Warnings
Melbourne Gale Warning 1 issued 280612UTC:
Area bounded by 42S100E 44S126E 50S136E 50S098E 42S100E.

Part 2 Situation at 0600 UTC
Refer to latest warning.

Ridge [1] 32S129E 40S146E to high 1022 hPa near 39S155E to 50S157E. Forecast
38S143E to high 1024 hPa near 40S158E to 50S164E at 281800UTC and 40S144E to
high 1026 hPa near 41S159E to 50S170E at 290600UTC.

Ridge [2] 39S155E 33S162E. Forecast 40S158E 32S163E at 281800UTC and 41S159E
33S170E at 290600UTC.

Trough [1] 29S153E 35S170E. Forecast 29S153E 32S170E at 281800UTC and 31S170E
29S153E at 290600UTC.

Trough [2] forecast entering area near 43S129E 50S131E at 290600UTC.

Trough [3] forecast developing near 31S132E 36S132E 39S130E at 290600UTC.

Part 3 Forecast
Refer to latest warnings.

Within 120nm of ridges, 240nm of high and remainder northeast of trough [1]:
Variable winds below 20 knots tending N quarter 10/20 knots along ridge [1]
west of high by 290000UTC with slight to moderate seas. Winds increasing to
20/30 knots along ridge [1] west of high by 200600UTC with moderate to rough
seas. Moderate swell.

Remainder between trough [1] and ridge [1]:
S quarter winds turning NE quarter west of ridge [2]. Wind speeds 10/20 knots
increasing to 20/30 knots east of line 40S170E 42S166E 46S167E and west of line
32S155E 40S154E. Moderate to rough seas. Moderate swell.

Remainder west of ridge [1], outside warning area:
NW quarter winds turning SW quarter west of troughs [2] and [3]. Winds 15/25
knots, increasing to 20/30 knots by 281800UTC and reaching 25/33 knots within
120nm of warning area. Moderate to rough seas. Moderate to heavy swell.

Rain areas, scattered showers and isolated thunderstorms within 180nm of
troughs. Scattered showers remainder away from ridges south of 40S. Visibility
reducing to below 2nm in precipitation.


The next routine forecast will be issued at 20:00 UTC Friday.