Western Area High Seas Forecast


High Seas Forecast for Western METAREA 10
WESTERN AREA: COAST AT 129E TO 50S129E TO 50S80E TO 30S80E TO 30S90E TO 12S90E

Issued by the Australian Government Bureau of Meteorology
For 24 hours commencing 2300 UTC 18 June 2019

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
Refer to latest warnings for details of the area affected.

Melbourne Gale Warning 2.
Melbourne Gale Warning 3.

Part 2 Situation at 1800 UTC
Refer to latest warnings for boundary of affected area and type of weather

Trough [1] 35S122E to low [1] 1016hPa near 43S126E to 50S126E. Forecast east of
area by 200000UTC.

Ridge 35S113E 50S126E. Weakening by 190600UTC.

Cold front [2] 42S102E 51S110E. Forecast 42S119E to low 1021hPa near 46S121E to
50S128E at 200000UTC.

Cold front [3] approaching from west, forecast 36S073E 41S080E 56S095E at
191200UTC and 32S080E 50S096E at 200000UTC.

Cold front [4] 25S091E 28S092E 33S095E to low [3] 1007hPa near 37S097E.
Forecast 23S094E to low [2] 1015hPa near 26S096E to 29S105E to low [3] 1008hPa
near 35S103E at 200000UTC.

Part 3 Forecast
Refer to latest warnings.

South of line 30S081E 41S092E 44S129E, outside warning area:
Northwest quarter winds east of trough [1], shifting southwest quarter east of
ridge, northwest quarter within 360nm east of front [2], westerly quarter west
of front [2], northwest quarter within 720nm east of front [3] and westerly
quarter remainder to west. Wind speeds 15/25 knots east of ridge and within
240nm west of ridge with moderate seas, 20/33 knots remainder with moderate to
rough seas. Moderate to heavy swell.

Within area enclosed by 30S081E 41S092E 40S110E 30S110E 23S090E:
Clockwise winds 20/33 knots within 300nm of low [3]. Moderate to rough seas.
Low to moderate swell, increasing to heavy south of 30S, west of 105E.

Winds not exceeding 25 knots. Slight to moderate seas. Low to moderate swell.

Rain areas, scattered showers and isolated thunderstorms within 240nm of
fronts/trough and 300nm of lows. Scattered showers west of fronts south of 40S.
Isolated showers north of 20S. Visibility reducing below 2nm in precipitation.


The next routine forecast will be issued at 09:00 UTC Wednesday.