securite: ========= weather bulletin for coastal waters up to 50 nautical miles seaward. Issued by the South African Weather Service on the 19th August 2014 at 13:00 UTC.
Forecast valid from 192200 to 202200 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. Moderate visibility in showers from Alexander Bay to Richards Bay and poor visibility in fog patches between Cunene River and alexandra Bay.
Advisories: ----------- nil.
Abnormal wave conditions: ========================= nil
Cunene River to Walvis Bay: wind : S to se 10 to 20. Vis : poor in fog patches in the morning. Sea state: 2.5 to 3.0m, with long period SW swell.
Walvis Bay to Orange River: wind : NW to N 10 to 20, becoming S to SW 5 to 15 in the second period. Vis : poor in fog patches in the morning. Sea state: 2.5 to 3.0m, with long period SW swell.
Orange River to cape agulhas: wind : N to NW 15 to 25, reaching 30 south of Table Bay. Vis : moderate in rain and showers at times. Sea state: 3.0 to 3.5m, with SW swell.
Cape Agulhas to east london: wind : NW 10 at first, otherwise W to SW 15 to 25. Vis : moderate with showers in places. Sea state: 3 to 3.5m, mainly SW swell.
East London to Maputo: wind : N to NE 10 to 20, but SW to S in the south spreading northwards. It will be variable 5 overnight. Vis : moderate with showers and thundershowers. Sea state: 2.0 to 2.5m with NE swell.
Mozambique channel: wind : NE to N 10 to 15 but SW to se 10 in the east at times. Vis : good.