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 1100 UTC 22 JULY 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] 42S129E 43S144E to high 1025 hPa near 41S152E to 27S152E 24S170E.
Forecast 42S129E 43S144E to high 1024 hPa near 39S154E to 28S152E 24S170E at
221800UTC and 42S129E 43S148E to high 1023 hPa near 37S156E to 30S153E 25S170E
at 230600UTC.

Ridge [2] from high 1025 hPa near 41S152E to 50S164E. Forecast from high 1024
hPa near 39S154E to 48S170E at 221800UTC and from high 1023 hPa near 37S156E to
44S170E at 230600UTC.

Ridge [3] 43S144E 50S135E. Forecast 43S144E 50S144E at 221800UTC and 43S148E
50S150E at 230600UTC.

Low approaching far northwest of area, forecast 1007 hPa near 32S129E at
221800UTC and 1003 hPa near 33S133E at 230600UTC.

Trough approaching southwest, forecast 46S129E 50S133E at 230600UTC.
 
Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridge [1], 240nm of high and 120nm of ridges [2] and [3]:
Variable winds below 20 knots, tending SW quarter 15/25 knots along ridge [2]
and W quarter 15/25 knots along ridge [3]. Slight to moderate seas. Moderate to
heavy swell.

Remainder north of ridge [1]:
NE quarter winds 10/20 knots with slight to moderate seas tending clockwise
20/30 knots within 240nm of low with moderate to rough seas after 221800UTC. Low
to moderate swell.

Remainder south of ridge [1]:
S quarter winds east of ridge [2] tending W quarter between ridges [2] and [3],
then NW quarter west of ridge [3]. Wind speeds 15/25 knots reaching 30 knots at
times south of 48S and also east of 155E. Moderate to rough seas. Moderate to
heavy swell.

Scattered showers and isolated thunderstorms within 240nm of low and trough and
also within 180nm of NSW coast. Visibility reducing below 2nm in precipitation.
 
WEATHER MELBOURNE
 
The next routine forecast will be issued at 2100  UTC 22 July 2014