South Eastern Area High Seas Forecast

IDY10210
SECURITE

Updated 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 December 2014

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
Nil.

Part 2 Situation at 0600 UTC
Refer to latest warnings.

Ridge [1] 36S129E to high [1] 1020 hPa near 36S136E to 37S151E 50S159E,
forecast 39S129E to high [1] 1018 hPa near 37S141E to 35S152E to high [2] 1017
hPa near 37S155E to 50S162E at 200600UTC and 39S128E 40S143E to high [1] 1018
hPa near 35S154E to 39S160E 50S166E at 201800UTC.

Ridge [2] from high [1] near 36S136E to 41S131E 47S132E 50S136E , forecast
from high [1] near 37S141E to 45S141E 50S144E at 200600UTC and from high [1]
near 35S153E to 50S151E at 201800UTC.

Cold front/trough [1] 28S159E 35S163E to low [1] 1001 hPa near 42S165E to
48S162E 50S162E, forecast 28S167E 39S168E 39S168E to low [1] 1000 hPa near
44S166E to 50S168E at 200600UTC and 28S169E 43S170E to low [1] 1002 hPa near
46S170E 50S174E at 201800UTC.

Trough [2] from low [2] 1001 hPa near 43S165E to 46S168E 50S166E , forecast
from low [2] 1000 hPa near 45S166E to 48S171E at 200600UTC and east of area by
201800UTC.

Trough [3] 43S144E 46S148E 50S149E, forecast 42S149E 46S154E 50S157E at
200600UTC and 43S158E 47S160E 50S163E at 201800UTC.

Cold front [2] west of area forecast 40S129E 46S136E 50S135E at 201800UTC.

Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridge [1] and 240nm of ridge [2] and highs:
Variable winds below 20 knots tending W quarter 10/20 knots along ridge [2]
south of 45S. Slight to moderate seas. Moderate swell.

Remainder east of cold front/trough [1]:
N quarter winds 10/20 knots tending clockwise 20/30 knots within 240nm of
low, except in the southern quadrant, moderate to rough seas. Winds becoming
variable and easing to 20 knots remainder south of low with seas abating.
Moderate swell.

Remainder west of cold front/trough [1], east of ridge [2]:
W 15/25 knots quarter winds tending NW quarter remainder east of trough [3]
shifting SW quarter within 300nm west of trough. Moderate to rough seas.
Moderate swell increasing moderate to heavy south of 45S.

Remainder west of ridge [3]:
N/NW Winds 20/30 knots east of cold front [2] shifting SW quarter west of
front. Moderate to rough seas. Moderate swell increasing moderate to heavy
south of 45S.

Rain areas and isolated thunderstorms within 300nm of cold fronts, troughs and
lows and remainder east of front/trough [1]. Isolated showers remainder west
of cold front [1] away from ridges. Visibility reduced below 2nm in
precipitation.

WEATHER MELBOURNE

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