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 8 February 2016

PLEASE BE AWARE
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 080606UTC:
Area bounded by 50S122E 48S120E 47S129E 48S155E 50S160E 50S122E.

New Zealand Gale Warning 114 issued 080600UTC:
In a belt 120nm wide centred on a line 34S168E 34S165E 33S163E: Southeast 35
knots developing next 6-12 hours.

Part 2 Situation at 0600 UTC
Refer to latest warnings.

Ridge [1] 36S150E 47S170E. Forecast 34S151E 41S161E 44S170E at 081800UTC and
then weakening at 090600UTC.

Ridge [2] from high [1] 1026 hPa near 38S129E to 40S140E 39S146E. Forecast
38S129E to high [1] 1024 hPa near 38S130E to 42S145E 41S154E 43S158E at
081800UTC, and 37S129E to high [1] 1021 hPa near 37S130E to 40S145E to high [2]
1021 hPa near 40S155E to 44S162E 46S170E at 090600UTC.

Trough [1] 35S162E 32S166E to low 1001 hPa near 32S168E to 31S170E. Forecast
34S162E to low 997 hPa near 33S167E to 31S170E at 081800UTC, and 32S163E to low
997 hPa near 30S166E to 30S170E at 090600UTC.

Trough [2] 35S149E 37S151E 43S154E 47S163E 50S165E. Forecast 36S151E 43S162E
46S165E 50S169E at 081800UTC, and then weakening.

Trough [3] 37S165E 40S169E 45S170E. Forecast weakening and moving out of the
area.

Cold front forecast 337S104E 40S110E 43S118E to low 992 hPa near 51S130E at
081800UTC, and 40S115E 43S125E 46S135E 50S142E to low south of the area at
090600UTC.

Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridges and 240nm of highs, east of trough [3]:
Variable winds below 20 knots. Slight to moderate seas. Low to moderate swell.

Remainder northeast of ridge [1] outside NZ warning area:
Clockwise winds within 300nm of low. SE quarter winds elsewhere, shifting W
quarter north of trough [1]. Winds speeds 15/25 knots increasing to 20/30 knots
within 240nm of low in the southwestern semicircle after 090900UTC and east of
158E north from 35.5S. Winds grading to 25/33 knots within 120nm of warning
area. Moderate to rough seas. Low to moderate swell.

Remainder north of ridge [2]:
SE quarter winds west of 140E turning NE quarter west of high [2] and SW
quarter east of high [2]. Wind speeds 15/25 knots. Moderate to rough seas. Low
to moderate swell.

Remainder outside warning area:
W quarter winds, tending SW quarter west of front and NW quarter east of front
and trough [2]. Wind speeds 15/25 knots, increasing to 20/30 knots south of
line 45S129E 44S145E 43S149E 45S153E 46S170E 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,
180nm of troughs and also within 120nm of line 29S161E 34S163E 36S166E.
Isolated showers remainder away from ridges. Visibility reducing below 2nm in
precipitation.

WEATHER MELBOURNE

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