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 30 August 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
New Zealand Storm Force Wind Warning 696 issued 300710UTC:
At 300600UTC over waters east of 160E.
1. In an area bounded by 58S160E 57S177E 60S179W 62S178E 61S160E 58S160E:
Westerly 35 knots rising to 50 knots next 6 to 12 hours. Storm and gale areas
slow moving.
2. Outside area 1 and in an area bounded by 53S160E 52S177E 55S172W 62S177W
63S160E 53S160E: Westerly 35 knots developing next 6 hours. Gale area then slow
moving.

Part 2 Situation at 0600 UTC
Refer to latest warnings.

Ridge [1] 28S155E 32S160E to high 1028 hPa near 39S160E to 47S153E 50S145E.
Forecast 28S156E 33S163E to high 1029 hPa near 38S164E to 45S164E 50S157E at
301800UTC and 28S159E 32S166E to high 1028 hPa near 39S169E to 50S166E at
310600UTC.

Ridge [2] approaching west of area, forecast 32S129E 41S127E 47S129E at
301800UTC and 32S137E 36S131E 42S129E at 310600UTC.

Trough 32S134E 39S133E 44S130E 50S130E. Forecast 33S139E 40S139E 46S134E
50S135E at 301800UTC and 37S142E 45S139E 50S141E at 310600UTC.

Cold front approaching far southwest of area, forecast 46S129E 50S135E at
310600UTC.

Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridges and 240nm of high:
Variable winds below 20 knots. Slight to moderate seas. Low to moderate swell
increasing to moderate to heavy south of 38S.

Remainder east of ridge [1], outside warning area:
W quarter winds tending tending S quarter north of 45S and SE quarter north of
high. Wind speeds 10/20 knots with slight to moderate seas, reaching up to 30
knots at times east of the line 42S170E 42S167E 45S167E 47S170E until 301500UTC
with moderate to rough seas. Winds increasing to 20/33 knots within 60nm of
warning area, and also within the area 46S153E 48S154E 49S158E 42S159E 40S158E
after 310000UTC with rough to very rough seas. Moderate to heavy swell.

Remainder west of ridge [1]:
N quarter winds tending W quarter between trough and cold front and SW quarter
west of cold front. Wind speeds 15/25 knots, reaching up to 30 knots at times
within the area 38S144E 38S146E 41S145E 43S143E until 301500UTC with moderate
to rough seas. Winds increasing to 20/33 knots within the area 33S151E 38S149E
48S154E 49S158E 42S159E 33S155E with rough to very rough seas. Moderate swell
increasing to moderate to heavy west of 147E.

Rain areas, scattered showers and isolated thunderstorms between between trough
and 148E at first, then between trough and 154E by 301800UTC and between trough
and 158E by 310600UTC. Scattered showers and isolated thunderstorms within
120nm of cold front. Visibility reducing to below 2nm in precipitation.

WEATHER MELBOURNE

The next routine forecast will be issued at 21:00 UTC Tuesday.