securite: ========= weather bulletin for coastal waters up to 50 nautical miles seaward. Issued by the South African Weather Service on the 01st December 2015 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 between Walvis Bay and Orange River, but moderate visibility in showers and rain is expected between Cape Agulhas and Maputo, clearing along the South Coast.
Watches: -------- nil.
Advisories: ----------- nil.
Abnormal wave conditions: ========================= nil.
Cunene River to Walvis Bay: wind : S to se 10 to 20. Vis : good.
Walvis Bay to Orange River: wind : S to se 05 to 15, but N 05 to 15 south of luderitz at first. Vis : poor in fog patches.
Orange River to cape agulhas: wind : N to NW 05 to 15, but S to se 10 to 20, south of cape Columbine, reaching 30 south of Cape Point, in the evening. Vis : poor in fog patches north of Cape Point, otherwise good. Sea state: 2.0m, SW swell south of Cape Point from the afternoon.
Cape Agulhas to east london: wind : S to SW 10 to 20, becoming E to se 05 to 15 from the west. Vis : moderate in showers and rain, becoming good from the west. Sea state: 2.0 to 2.5m, NE swell, but SW swell west of Plettenberg Bay, spreading eastwards.
East London to Maputo: wind : NE 20 to 30 north of Richards Bay, otherwise SW 15 to 25, spreading northwards and reaching 30. Vis : good, becoming moderate in showers and rain from the south. Sea state: 2.0 to 2.5m, reaching 3.0m, NE swell.
Mozambique Channel wind : E to se 15 to 25 but SW 10 to 20 at times in the east and NE 10 to 20 in the South-West. Vis : good.