securite: ========= weather bulletin for coastal waters up to 50 nautical miles seaward. Issued by the South African Weather Service on the 17th may 2013 at 13:00 UTC.

Forecast valid from 172200 to 182200 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 just south of Walvis Bay overnight.

Watches: ------ 1. Moderate visibility in showers is expected between port Edward and Maputo in the first period.

Advisories: ----------- nil.

Abnormal wave conditions: ========================= nil.

Cunene River to Walvis Bay: wind : SW 10 to 20 by mid period, otherwise S to se 10 to 20. Vis : poor in fog patches in the morning. Sea state: 2.5m, mainly SW swell.

Walvis Bay to Orange River: wind : S to SW 10 to 20 reaching 25 in the south becoming N to NE 10 to 15 by mid period. Vis : good, becoming poor in fog patches in the north towards in the morning. Sea state: 2.5m, mainly SW swell.

Orange River to cape agulhas: wind : se to E 15 to 25. Vis : good. Sea state: 2.5 to 3m, mainly SW swell.

Cape Agulhas to east london: wind : SW 10 to 20 East Cape St Francis, otherwise se to E 5 to 15 spreading to east London by mid period. Vis : moderate in showers east of Cape St Francis. Sea state: 2 to 3m, mainly SW swell.

East London to Maputo: wind : SW to se 10 to 20, becoming NE 10 to 15 from the south by mid period. Vis : moderate in showers moderating from the south in the second period. Sea state: 2m to 3m, with SW to S swell.

Mozambique channel: wind : S to se 15 to 20 reaching 25 in the south-east. Vis : moderate in showers in places.