Forecast valid from 232200 to 242200 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. Very rough seas with wave heights in excess of 4.0m is expected between Cape St. Francis and port Alfred, on Wednesday, spreading eastwards, reaching east London overnight, while subsiding from the west.
Watches: -------- 1. Moderate to poor visibility in fog patches is expected from tonight into Wednesday morning in places between Cunene River and Cape Point.
Abnormal wave conditions: ========================= nil.
Advisories: ----------- nil.
Cunene River to Walvis Bay: wind : S to se 10 to 20, but SW 10 to 15 at times. Vis : good becoming moderate to poor in fog patches at times.
Walvis Bay to Orange River: wind : S to se 10 to 20, but W to SW 10 to 15 at times. Vis : good becoming moderate to poor in fog patches at times.
Orange River to cape agulhas: wind : NW 10 to 20, reaching 25 south of Cape Point, becoming variable 05 to 10 by the second half of the period. Vis : good but poor in fog patches north of Cape Point at times. Sea state: 2.0 to 3.5m, mainly SW swell.
Cape Agulhas to east london: wind : W to NW 20 to 30, becoming SW 15 to 25 by the second half of the period. Vis : good. Sea state: 2.0 to 4.0m, reaching 4.5 to 6.0m between Cape St. Francis and port Alfred, reaching east London by the second half of the period, mainly SW swell.
East London to Maputo: wind : N to NW 15 to 25, becoming S to SW 10 to 20 from the south by the end of the period, spreading northwards. Vis : good. Sea state: 2.0 to 2.5m in the south by the end of the period, SSW swell.
Mozambique channel: wind : S to se 10 to 20 but N to NW 10 to 20 in the extreme South-West. Vis : moderate in showers and rain in places.