securite: ========= weather bulletin for coastal waters up to 50 nautical miles seaward. Issued by the South African Weather Service on the 04th September 2015 at 13:00 UTC.
Forecast valid from 042200 to 052200 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 Cunene River and luderitz during first half of the period.
Watches: -------- nil.
Advisories: ----------- nil.
Abnormal wave conditions: ========================= nil.
Cunene River to Walvis Bay: wind : W to NW 10 to 15 but variable 05 to 10 at times. Vis : poor in fog patches during first half of the period, otherwise good.
Walvis Bay to Orange River: wind : S to se 10 to 20 in the south at first, otherwise variable 05 to 10 but W to NW 10 to 20 in the north. Vis : poor in fog patches in the north during first half of the period, otherwise good.
Orange River to cape agulhas: wind : E to se 10 to 20, becoming NW 10 to 20 north of cape Columbine by end of the period. Vis : good. Sea state: 2.0 to 2.5m south of cape Columbine, SW swell.
Cape Agulhas to east london: wind : NE to E 10 to 20. Vis : good. Sea state: 2.0 to 2.5m, SW swell.
East London to Maputo: wind : se to E 10 to 20 in the extreme north at first, otherwise E to NE 15 to 25. Vis : moderate in showers in the north, otherwise good. Sea state: 2.0 to 3.0m, S swell.
Mozambique Channel wind : S to se 15 to 25, becoming variable 05 to 10 in the north towards end of the period. Vis : moderate at times in showers, otherwise good. Sea state: 3.0 to 3.5m in the south, SW swell.