IDW11130
Australian Government Bureau of Meteorology
Western Australia
Western Coastal Waters Forecast for Western Australia
Issued at 4:00 am WST on Wednesday 15 February 2012
Valid until midnight Friday
Please Be Aware
Wind gusts can be 40 percent stronger than the averages given here, and maximum
wave may be up to twice the height.
IDW1113001
Warnings
Nil.
Synoptic Situation
A high pressure ridge lies to the south of the state, while a surface trough
lies inland of the south west coast.
IDW1113002
Northwest Cape to Carnarvon:
Wednesday until midnight: S/SW winds 18/23 knots easing to 13/18 knots for a
period from late morning to early afternoon. Seas 1.5m to 2.0m. Swell 1.0m to
1.5m.
Thursday: S/SW winds 15/20 knots easing to 10/15 knots for a period in the
morning. Seas 1.0m to 1.5m. Swell to 1.0m.
Friday: S/SW winds 18/23 knots.
IDW1113003
Carnarvon to Kalbarri:
Wednesday until midnight: S/SE winds 13/18 knots tending S/SW 13/18 knots by
late morning and increasing to 18/23 knots during the afternoon. Seas 1.5m to
2.0m. Swell to 1.5m.
Thursday: S/SE winds 18/23 knots easing to 13/18 knots inshore north of Shark
Bay for a period in the morning. Winds throughout strengthening to S/SW 20/30
knots during the afternoon. Seas to 1.5m increasing to 2.5m in the afternoon.
Swell to 1.0m.
Friday: S/SE winds 18/23 knots tending S/SW 20/30 knots during the afternoon.
IDW1113004
Kalbarri to Jurien Bay:
Wednesday until midnight: S/SE winds 13/18 knots tending S/SW 13/18 knots early
afternoon and reaching 18/23 knots by late afternoon. Seas 1.5m to 2.0m. Swell
1.0m to 1.5m.
Thursday: S/SE winds 18/23 knots tending S/SW winds 20/30 knots during the
afternoon. Seas 1.5m to 2.5m. Swell 1.0m to 1.5m.
Friday: S/SE winds 18/23 knots tending S/SW 20/30 knots during the afternoon.
IDW1113005
Jurien Bay to Mandurah:
Wednesday until midnight: S/SE winds 13/18 knots easing to S/SW winds 10/15
knots by late morning. Winds increasing to S/SW 15/20 knots during the
afternoon, reaching 20/25 knots offshore by late afternoon. Seas 1.0m to 2.0m.
Swell 1.0m to 1.5m.
Thursday: S/SE winds 18/23 knots easing to 13/18 knots for a period in the
morning. Winds tending S/SW 18/23 knots early afternoon, strengthening to S/SW
20/30 knots during the afternoon. Seas 1.5m to 2.5m. Swell 1.0m to 1.5m.
Friday: S'ly winds 13/18 knots strengthening to S/SW winds 20/30 knots during
the afternoon.
IDW1113006
Mandurah to Cape Leeuwin:
Wednesday until midnight: S/SE winds 10/15 knots tending S/SW 10/15 knots by
early afternoon. Winds increasing to 15/20 knots by late afternoon, reaching
20/25 knots offshore north of Cape Naturaliste for a period late afternoon and
evening. Seas 1.5m to 2.0m. Swell 1.0m to 1.5m.
Thursday: North of Cape Naturaliste: S/SE winds 13/18 knots easing to 8/13 knots
during the morning. Winds tending SW'ly 13/18 knots late morning and reaching
S/SW 20/30 knots during the afternoon. South of Cape Naturaliste: S/SE winds
8/13 knots tending S/SW 13/18 knots during the afternoon. Seas 1.0m to 2.5m.
Swell 1.0m to 1.5m.
Friday: S'ly winds 8/13 knots tending S/SW 13/18 knots by early afternoon. Winds
strengthening to S/SW 20/30 knots north of Cape Naturaliste in the afternoon.
The next routine forecast will be issued at 4:00 pm WST Wednesday.
