South Eastern Area High Seas Forecast

IDY10210
SECURITE
 
HIGH SEAS FORECAST FOR METAREA 10
SOUTHEASTERN AREA: 28S/50S, 129E/170E
Issued by the Bureau of Meteorology National Meteorological and Oceanographic
Centre
FOR 24 HOURS COMMENCING 2300 UTC 18 APRIL 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
Melbourne Storm Force Warning 2 issued 181843UTC:
Area bounded by 50S128E 49S123E 47S123E 45S134E 46S139E 47S140E 49S139E 49S136E
50S135E 50S128E.

Melbourne Gale Warning 3 issued 181843UTC:
Area bounded by 45S153E 44S152E 40S152E 38S155E 37S160E 40S160E 41S157E 45S153E.

New Zealand Gale Warning 448 issued 181907UTC:
At 181800UTC low 986hPa near 43S165E moving south 15kt. Within 120 nautical
miles of low in sector from northwest through northeast to south: Clockwise 40kt
easing next 6 hours. Gale area moving with low.

New Zealand Gale Warning 449 issued 181908UTC:
At 181800UTC over waters east of 160E. In an area bounded by 39S160E 36S160E
36S164E 39S164E 39S160E: Westerly 35kt developing next 6-12 hours.
 
Part 2 Situation at 1800 UTC
Refer to latest warnings.

Ridge [1] 36S129E to high 1024 hPa near 37S135E to 36S140E. Forecast 36S129E
36S140E at 190600UTC and 36S129E 35S140E at 191800UTC.

Ridge [2] from high 1024 hPa near 37S135E to 50S143E. Forecast 37S142E 50S148E
at 190600UTC and 36S147E 50S153E at 191800UTC.

Cold front [1] approaching west of area and forecast 42S129E 50S136E with low
[1] 992 hPa near 50S128E at 190600UTC and 38S130E 42S138E 50S144E with low [1]
985 hPa near 50S136E at 191800UTC.

Cold front [2] 33S153E 36S158E to low [2] 998 hPa near 41S156E. Forecast 30S155E
33S164E 37S165E to low [2] 996 hPa near 39S162E at 190600UTC and 29S159E 32S168E
37S170E to low [2] 998 hPa near 40S169E at 191800UTC.

Trough 50S158E to low [3] 986 hPa near 43S165E to 41S170E. Forecast 50S163E to
low [3] 980 hPa near 46S165E to 44S170E at 190600UTC and 50S166E to low [3] 982
hPa near 48S167E to 46S170E at 191800UTC.
 
Part 3 Forecast
Refer to latest warnings.

Within 120nm of ridges and north of ridge [1]:
Variable winds below 20 knots. Slight to moderate seas. Moderate to heavy swell.

Remainder south of ridge [1] and west of ridge [2] outside warning area:
NW quarter winds east of cold front [1] tending SW quarter west of cold front
[1] and clockwise within 180nm of low [1]. Wind speeds 15/25 knots grading to
20/33 knots within 180nm east of cold front [1] south from 42S and west of cold
front [1] south from 42S. Winds increasing to 25/33 knots within 120nm of
warning area. Moderate to rough seas. Moderate to heavy swell.

Remainder east ridge [2] and northwest of trough outside warning areas:
SW quarter winds tending W quarter east of cold front [2] and east of low [3].
Winds tending clockwise within 90nm of low [2] and 240nm of low [3]. Wind speeds
15/25 knots reaching 20/33 knots at times south of 36S and increasing to 25/33
knots within 120nm of warning areas. Winds easing to below 20 knots north of 30S
and within 180nm of the New South Wales coast after 191200UTC. Moderate to rough
seas. Moderate to heavy swell.

Remainder southeast of trough outside warning area:
NE quarter winds 15/25 knots grading to 25/33 knots within 120nm of warning area
and 180nm of low [3]. Moderate to rough seas. Moderate to heavy swell.

Rain areas, scattered showers and isolated thunderstorms within 180nm of cold
fronts and within 240nm of lows [1] and [3]. Isolated showers remainder south of
ridge [1] and away from ridge [2] . Visibility reducing below 2nm in
precipitation.
 
WEATHER MELBOURNE
 
The next routine forecast will be issued at 0800  UTC 19 April 2014