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 21 AUGUST 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 1800 UTC
Refer to latest warnings.

Ridge 37S148E to high 1037 hPa near 44S157E to 46S169E. Forecast 36S148E to high
1038 hPa near 44S159E to 41S168E 38S170E at 220600UTC and 36S149E to high 1039
hPa near 44S160E to 36S170E at 221800UTC.

Trough approaching far west of area and forecast 31S132E 36S131E 42S129E at
220600UTC and 33S137E to low 1010 hPa near 42S135E to 47S136E 50S135E at
221800UTC.


 
Part 3 Forecast
Refer to latest warnings.

Within 120nm of ridge and 240nm of high:
Variable winds below 20 knots. Slight to moderate seas. Low to moderate swell.

Remainder north ridge:
E quarter winds 10/20 knots. Slight to moderate seas. Low to moderate swell.

Remainder south of ridge and east of trough:
N quarter winds tending NW quarter south of 44S and SW quarter east of high.
Wind speeds 15/25 knots increasing to 20/30 knots at times within 180nm of
trough south of 37S after 221200UTC. Winds also reaching 20/30 knots at times
within 180nm of a line 45S135E 50S139E until 221200UTC. Moderate to rough seas.
Low to moderate swell.

Remainder west of trough:
SW quarter winds tending NW quarter in the far southwest after 221800UTC. Wind
speeds 15/25 knots reaching 20/30 knots at times within 240nm of of trough
between 37S and 44S. Moderate to rough seas. Low to moderate swell.

Scattered showers and isolated thunderstorms within 180nm of trough. Scattered
to isolated showers north of ridge. Visibility reducing below 2nm in
precipitation.
 
WEATHER MELBOURNE
 
The next routine forecast will be issued at 0900  UTC 22 August 2014