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 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 190621UTC:
Area bounded by 50S117E 43S110E 47S137E 50S145E 50S117E.

Melbourne Gale Warning 5 issued 190637UTC:
Area bounded by 36S150E 33S151.5E 37S157E 38S152E 36.5S151.5E 36S150E.

New Zealand Gale Warning 536 issued 190600UTC:
In a belt 120 nautical miles wide centred on a line 44S165E 47S166E 49S169E:
Northwest 40kt easing next 6 hours.
Gale area slow moving.

Part 2 Situation at 0600 UTC
Refer to latest warnings.

Ridge [1] 28S160E 34S168E 38S171E. Forecast 28S165E 33S167E 37S172E at
191800UTC and 28S167E 33S168E 36S170E at 200600UTC.

Ridge [2] 37S129E to high 1035hPa near 38S133E to 41S143E 50S163E. Forecast
36S129E to high 1039hPa near 38S135E to 44S156E 50S169E at 191800UTC and
37S129E to high 1038hPa near 38S136E to 40S148E 48S170E at 200600UTC.

Trough/cold front 29S153E 41S161E 47S164E 50S168E. Forecast 28S155E to low
1015hPa near 34S157E to 42S166E 45S167E 46S171E at 191800UTC and 28S157E to low
1014hPa near 36S157E to 37S162E 41S168E 45S170E 45S170E at 200600UTC.

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 SW quarter 15/25 knots along ridge [2]
south of 42S until 191800UTC. Slight to moderate seas, moderate to rough along
ridge [2] south of 42S until 191800UTC. Low to moderate swell increasing to
moderate to heavy south of 38S.

Remainder east of trough/front, outside warning areas:
N quarter winds 15/25 knots grading to 20/33 knots south of 40S. Winds 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:
S quarter winds 20/30 knots grading to 25/33 knots within 90nm of warning area.
Winds tending SE quarter west of 148E after 191800UTC and easing. E quarter
winds 10/20 knots west of high. Moderate to rough seas, slight to moderate in
west. 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 300nm of cold
front, trough and low. Rain areas and isolated thunderstorms within 300nm of a
line 28S154E 48S150E. 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 21:00 UTC Sunday.