South Eastern Area High Seas Forecast


Updated High Seas Forecast for South Eastern Metarea 10
Issued by the Australian Government Bureau of Meteorology, BNOC
For 24 hours commencing 2300 UTC 4 October 2015

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 041838UTC:
Area bounded by 48S141E 46S137E 43S147E 48S160E 50S160E 50S127E 48S141E.

Melbourne Gale Warning 4 issued 041845UTC:
Area bounded by 35S104E 34S122E 41S134E 46S134E 42S119E 42S104E 35S104E.

New Zealand Gale Warning 078 issued 041825UTC:
At 041800UTC over waters east of 160E.
Low 965hPa near 57S156E moving east 15kt.
1. In a belt 600 nautical miles wide centred on a line 52S150E 51S160E 52S167E:
Clockwise 35kt at times. Gale area moving east 30kt.
2. Outside area 1 and within 180 nautical miles of low in southern semicircle:
Clockwise 35kt developing next 6 hours. Gale area moving east 15kt.

Part 2 Situation at 1800 UTC
Refer to latest warnings.

Ridge from high 1025 hPa near 28S157E to high 1024 hPa near 39S160E to 46S166E.
Forecast from high 1025 hPa near 28S156E to high 1027 hPa near 30S159E to
37S165E 42S170E at 050600UTC and 28S156E to high 1030 hPa near 36S168E to
37S170E at 051800UTC.

Cold front approaching far west of area and forecast 36S129E 42S133E to low 990
hPa near 46S130E to 50S133E at 051200UTC and 38S135E 44S139E to low 985 hPa
near 47S135E to 50S138E at 051800UTC.

Trough approaching far west of area and forecast 31S129E 37S132E at 050600UTC
and 31S134E 38S139E at 051800UTC.

Part 3 Forecast
Refer to latest warnings.

Within 120nm of ridge and 180nm of highs:
Variable winds below 20 knots. Slight to moderate seas. Moderate to heavy swell.

Remainder northeast of ridge:
S quarter winds 15/25 knots tending SE quarter 10/20 knots after 050600UTC.
Slight to moderate seas. Moderate to heavy swell.

Remainder southwest of ridge outside warning areas:
NW quarter winds tending SW quarter west of cold front and trough and clockwise
within 120nm of low. Winds tending W quarter within 300nm west of cold front
north from low. Wind speeds 15/25 knots reaching 20/33 knots at times southwest
of a line 31S133E 34S136E 38S143E 41S145E 42S156E 46S170E and grading to 25/33
knots within 120nm of warning areas with moderate to rough seas. Winds easing
to 10/20 knots north of 38S east from 150E, north of 36S after 051200UTC, with
slight to moderate seas. Moderate to heavy swell decreasing to light to
moderate north of 40S between 150E and 160E.

Rain areas, scattered showers and isolated thunderstorms within 240nm of cold
front. Scattered to isolated showers west of cold front and also east of cold
front south from 45S. Visibility reducing below 2nm in precipitation.


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