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 19 April 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 1 issued 191900UTC:
Area bounded by 50S132E 47S128E 46S128E 47S137E 50S138E 50S132E.

Melbourne Gale Warning 5 issued 191905UTC:
Area bounded by 36S150E 32S152E 32S154E 37S160E 40S160E 37S152E 36S150E.

New Zealand Gale Warning 550 issued 191800UTC:
Over waters east of 160E and north of Ice Edge.
Front 50S147E 55S153E 59S154E 63S149E moving ESE 50kt.
1. Within 420 nautical miles west of front from 55S153E to 63S 49E:
Westerly 40kt at times.
2. Within 240 nautical miles east of front: Northwest 35kt.
Gale areas moving with front.

Part 2 Situation at 1800 UTC
Refer to latest warnings.

Ridge [1] 28165E 33S167E 37S172E, forecast 28S167E 33S168E 36S170E at 200600UTC
and 28S164E 39S170E at 201800UTC.

Ridge [2] 36S129E to high 1039hPa near 38S135E to 44S156E 50S169E, forecast
37S129E to high 1038hPa near 38S136E to 40S148E 48S170E at 200600UTC and
36S130E to high 1036 hPa near 39S136E to 44S161E 48S170E at 201800UTC.

Trough/cold front 28S155E to developing low 1015hPa near 33S156E to 42S166E
45S167E 46S171E, forecast 28S157E to low 1013hPa near 32S155E to 37S162E
41S168E 45S170E 45S170E at 200600UTC and 28S157E to low 1009 hPa near 34S156E
41S167E to 46S170E at 201800UTC.

Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridges, 240nm of high and northeast of ridge [1]:
Variable winds below 20 knots tending NE quarter 10/20 knots northeast of ridge
[1]. Slight to moderate seas. Low to moderate swell increasing to moderate to
heavy south of 38S east of 150E and in area south of 35S west of 150E.

Remainder east of trough/front, outside warning areas:
N quarter winds 15/25 knots becoming clockwise 20/33 knots within 180nm of low.
Moderate to rough seas. Low to moderate swell increasing to moderate to heavy
south of 38S.

Remainder west of trough/front, northeast of ridge [2], outside warning area:
SE quarter winds 20/30 knots east of 148E grading to 25/33 knots within 90nm of
warning area and becoming clockwise 20/33 knots within 180nm of low. Moderate
to rough seas. Variable winds below 20 knots remainder west of 148E tending NE
quarter 10/20 knots west of high with seas abating slight to moderate. Moderate
to heavy swell.

Remainder southwest of ridge [2], outside warning area:
W quarter winds 20/30 knots, grading to 25/33 knots within 120nm of warning
area. Moderate to rough seas. Heavy swell.

Rain areas, scattered showers and isolated thunderstorms within 360nm of cold
front, trough and low. Scattered showers remainder south of ridge [2] south of
45S. Visibility reducing below 2nm in precipitation.

WEATHER MELBOURNE

The next routine forecast will be issued at 09:00 UTC Monday.