Forecast valid from 251000 to 261000 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.
Warnings: --------- 1. Poor visibility in fog patches is expected in places between Cunene River and Orange River. 2. Moderate visibility in showers of rain is expected between Cape St Francis and east London, spreading to Maputo. 3. Gale force south-westerly winds of 35 is expected in places between Cape St Francis and port Alfred from mid-morning.
Watches: -------- nil.
Advisories: ----------- nil.
Abnormal wave conditions: ========================= nil.
Cunene River to Walvis Bay: wind : SW to S 10 to 20 but S to se 10 to 20 at times in the south. Vis : poor in fog. Sea state: becoming 2.0m in the south, SW swell.
Walvis Bay to Orange River: wind : SW to S 15 to 25, reaching 30 in the south from mid-period when it will be more southerly to south-easterly. Vis : good but poor in fog patches in places. Sea state: 3.0 to 3.5m, SW swell.
Orange River to cape agulhas: wind : S to se 20 to 25. Vis : good. Sea state: 2.5 to 3.0m, SW swell.
Cape Agulhas to east london: wind : W to SW 20 to 30, reaching 35 in places between Cape St Francis and port Alfred, moderating overnight but becoming S to se 05 to 10 along the South Coast overnight. Vis : moderate in showers between Cape St Francis and east London overnight, otherwise good. Sea state: 2.5 to 3.5m, E swell east of port Alfred at first, otherwise 3.0 to 4.0m, SW swell, spreading eastwards to east London in the afternoon.
East London to Maputo: wind : N to NE 15 to 25, becoming SW 15 to 25 from the south, reaching 30 at times spreading northwards. Vis : moderate in showers and thundershowers. Sea state: 2.0 to 3.0m, mainly S swell.
Mozambique channel: wind : NE 10 in the west, otherwise variable 05 to 10. Vis : moderate in showers and thundershowers in places, otherwise good.