HS 014

securite: ========= weather bulletin for coastal waters up to 50 nautical miles seaward. Issued by the South African Weather Service on the 16th may 2012 at 13:00 UTC.

Forecast valid from 162200 to 172200 utc:

Wind in knots, wave heights in metres. No sea state given if waves less than 2m.

Note the wind speeds quoted here are the expected average speeds. Individual gusts may exceed these values by a factor of up to 1.5. Wave heights are significant wave heights which may be accompanied by individual waves 1.5 to 2.0 times higher.

These estimates of winds and waves do not take into account the enhancing effects of the Agulhas Current off the South African East Coast.

Note: wx observations. ====================== Could all vessels experiencing unexpected, severe wx/sea state please make every effort to report this to saws via cape town radio.

Alerts: ------- warnings: --------- nil.

Watches: -------- 1. Very rough seas with wave heights in excess of 4m is expected between cape Columbine and Cape St Francis overnight on Thursday, spreading eastwards to port Alfred on Friday and port Edward on Saturday, reaching Richards Bay on Sunday evening. 2. Moderate visibility is expected between cape Columbine and Cape Agulhas at the end of the period.

Advisories: ----------- nil.

Abnormal wave conditions: ========================= nil.

Cunene River to Walvis Bay: wind : S to se 10 to 20, but SW 10 to 15 at times during the period. Vis : good, but poor in fog patches in the north at first. Sea state: 2.0m, S to SW swell.

Walvis Bay to Orange River: wind : S to se 10 to 20. Vis : good, becoming poor in fog patches in the south at the end of the period. Sea state: 2.0m, SW swell.

Orange River to cape agulhas: wind : S 10 a first, otherwise W to NW 10 to 20, reaching 25 to 30 in the extreme south towards the end of the period. Vis : good, becoming moderate in rain south of cape Columbine at the end of the period. Sea state: 2.0 to 3.0m, becoming 4.0 to 6.0m south of cape Columbine in the second half of the period, mainly SW swell.

Cape Agulhas to east london: wind : W to NW 10 to 15, reaching 20 to 30. Vis : good. Sea state: 3.0 to 4.0m, reaching 4.5 to 5.0m in the west at the end of the period, SW swell.

East London to Maputo: wind : S to SW 10 to 20 in the north at first, otherwise N to NE 10 to 20. Vis : good. Sea state: 2.5m, mainly SW swell.

Mozambique channel: wind : se to SW 15 to 25. Vis : moderate in showers and thundershowers becoming good towards the end of the period.