securite: ========= weather bulletin for coastal waters up to 50 nautical miles seaward. Issued by the South African Weather Service on the 28th December 2014 at 13:00 UTC.
Forecast valid from 282200 to 292200 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. Moderate to poor visibility in showers and thundershowers at times is expected between mossel Bay and Maputo.
Watches: -------- 1. Poor visibility in fog patches is expected between Cunene River and Lamberts Bay at times.
Advisories: ----------- nil.
Abnormal wave conditions: ========================= nil.
Cunene River to Walvis Bay: wind : S to se 10 to 20. Vis : poor in fog patches, otherwise good. Sea state: 2.0 to 2.5m, SW swell.
Walvis Bay to Orange River: wind : S to SW 10 to 20 reaching 25. Vis : good but poor in fog patches. Sea state: 2.0 to 2.5m, SW swell.
Orange River to cape agulhas: wind : S to se 15 to 25 reaching 30 south of Table Bay. Vis : good but poor in fog patches north of Lamberts Bay. Sea state: 2.0 to 3.0m, SW swell.
Cape Agulhas to east london: wind : E to se 10 to 20 reaching 25 mid period. Vis : moderate to poor in showers in places east of mossel Bay. Sea state: 2.0 to 3.0m, mainly SW swell.
East London to Maputo: wind : S to se 15 to 25. Vis : moderate to poor in showers and thundershowers at times. Sea state: 2.0 to 3.0m in the south spreading north, with SW mainly swell.
Mozambique channel: wind : N to NE 10 to 20 but variable 5 to 10 in east and becoming E to se 10 to 15 in south. Vis : good, but moderate in showers and thundershowers in places.