securite: ========= weather bulletin for coastal waters up to 50 nautical miles seaward. Issued by the South African Weather Service on the 13th February 2016 at 13:00 UTC.
Forecast valid from 132200 to 142200 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 expected in showers and thundershowers in places between Table Bay and durban clearing mid-morning.
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 : SW 10 to 20 in the north first half of the period, otherwise S to se 10 to 15. Vis : good, but poor in fog patches overnight into tomorrow
Orange River to cape agulhas: wind : SW to W 10 to 20 but NW 10 to 20 south of cape Columbine. Vis : good but moderate in showers and rain south of Table Bay from morning. Sea state: 2.0 to 2.5m mainly SW swell.
Cape Agulhas to east london: wind : NE 10 to 20 north of port Alfred at first, otherwise W to SW 15 to 25. Vis : good becoming moderate visibility in showers and thundershowers east of Algoa from evening to early morning. Sea state: 2.0 to 3.0m, with se swell, becoming 3.5 to 4.0m with SW swell along the South Coast from afternoon.
East London to Maputo: wind : N to NE 15 to 25 reaching 30 in places in the south becoming SW 15 to 25 in the south overnight spreading north reaching Richards Bay towards the end of the period. Vis : moderate in showers and thundershowers becoming good mid- morning. Sea state: 2.0 to 3.0m, mainly se swell.
Mozambique channel: wind : NW 15 to 25 in the extreme north, otherwise light and variable but S to se 10 to 20 in the south. Vis : moderate in showers and thundershowers in the northern parts at times, otherwise good.