securite: ========= weather bulletin for coastal waters up to 50 nautical miles seaward. Issued by the South African Weather Service on the 01st September 2014 at 13:00 UTC.
Forecast valid from 012200 to 022200 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: --------- 1. Poor visibility in fog patches is expected at times between Cunene River and Orange River.
Watches: -------- nil.
Advisories: ----------- nil.
Abnormal wave conditions: ========================= nil.
Cunene River to Walvis Bay: wind : NW 05 to 10 in the south by the first half of the period, otherwise SW to W 10 to 15. Vis : good but moderate to poor in fog patches in the south by the first half of the period.
Walvis Bay to Orange River: wind : NE to E 10 to 15 in the by the first half of the period, otherwise NW to W 05 to 15. Vis : good in the south by the first half of the period, otherwise moderate to poor in fog patches.
Orange River to cape agulhas: wind : NE to N 05 to 10 in the extreme south, becoming NW to W 05 to 10, otherwise variable 05. Vis : good. Sea state: 2.5 to 3m between Cape Point and Cape Agulhas, se swell.
Cape Agulhas to east london: wind : NE to N 15 to 25, reaching 30, becoming W to NW 05 to 15 west of Algoa Bay by the end of the period. Vis : good. Sea state: 2.5 to 3m, se swell.
East London to Maputo: wind : S to se 10 to 20 in the north, spreading to the extreme north by the second half of the period, otherwise NE 15 to 25, reaching 30. Vis : good but moderate in light showers and rain north of Richards, spreading to the extreme north by the second half of the period. Sea state: 2.5 to 3m, mainly S to se swell.
Mozambique channel: wind : se 20 to 30 in the extreme south, otherwise S to SW 20 to 30. Vis : moderate in showers and rain. Sea state: 3 to 4m, with S to SW swell.