Forecast valid from 161000 to 171000 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. Heavy swell in excess of 4m is expected between Cape Agulhas and east London at first.
Watches: --------- 1. Very poor visibility in fog is expected between lambert's Bay and Table Bay Monday morning.
Severe weather advisories: -------------------------- nil.
Abnormal wave conditions: -------------------------- nil.
Cunene River to Walvis Bay: wind : variable 05 to 10. Vis : good. Sea state: 2.0m, SW swell.
Walvis Bay to Orange River: wind : variable 05 to 10. Vis : good. Sea state: 2.0 to 2.5m, SW swell.
Orange River to cape agulhas: wind : variable 05 to 15. Vis : good, becoming very poor in fog between lambert's Bay and table Monday morning.. sea state: 2.5 to 3.5m, mainly SW swell.
Cape Agulhas to east london: wind : N to NE 10 to 20, becoming W 10 to 20 west of mossel Bay in the afternoon spreading eastwards overnight. Vis : good. Sea state: 3.5 to 4.5m becoming 3.0 to 3.5m mid period, mainly SW swell.
East London to Maputo: wind : SW 10 to 20 south of Richards Bay at first, otherwise NE 15 to 25. Vis : good. Sea state: 2.0 to 3.0m, mainly SSW swell.
Mozambique channel: wind : S to se 15 to 25. Vis : moderate in showers and rain in places.