Forecast valid from 242200 to 252200 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 in places between Cunene River and port nolloth at times. 2. Moderate visibility in showers is expected between cape Columbine and port Alfred on Monday. 3. A gale force sw`ly wind of 35kt is expected in places between Cape Agulhas and east London. 4. Heavy sw`ly swell in excess of 4m is expected in places between cape Columbine and port Alfred on Monday into Wednesday.
Watches: -------- 1. High seas of 6.0 to 8.0m is expected between Cape Agulhas and east London on Tuesday into Wednesday.
Special weather advisory: ------------------------- nil.
Abnormal wave conditions: ========================== nil.
Cunene River to Walvis Bay: wind : S to se 10 to 20, reaching 25, becoming W to NW 05 to 15 at times. Vis : good, becoming poor in fog patches at times. Sea state: 2.5 to 3.0m, SW swell.
Walvis Bay to Orange River: wind : S to se 20 to 30, becoming SW 10 to 15 at times. Vis : good becoming moderate to poor in fog patches. Sea state: 2.5 to 3.0m, SW swell.
Orange River to cape agulhas: wind : NW 15 north of cape Columbine, while W 15 to 20 in the south at times, otherwise S to SW 15 to 25. Vis : good, but poor in fog patches north of cape Columbine at times becoming moderate in rain and showers south of port nolloth on Monday. Sea state: 2.5 to 3.5m, reaching 4.0 to 5.0m south of Cape Point by the second half of the period, SW swell.
Cape Agulhas to east london: wind : SW 20 to 30, reaching 35 between Cape St. Francis and east London by the end of the period. Vis : good becoming moderate to poor in showers and rain, west of mossel Bay in the morning, spreading eastwards reaching east London by the end of the period. Sea state: 3.5 to 4.0m, reaching 4.5m in the port Alfred area, mainly SW swell.
East London to Maputo: wind : N to NE 20 to 30, becoming S to SW 20 to 25 in the south by the second half of the period. Vis : good becoming poor in fog patches in the extreme south by the second half of the period. Sea state: 2.5 to 4.0m, SW swell.
Mozambique channel: wind : S to se 15 to 25, becoming SW to W 05 to 15 in the east by the second half of the period, while E to NE 05 to 15 in the South-West. Vis : moderate in showers and rain, clearing from the South-West by the second half of the period. Sea state: 3.0m in the extreme south at times, SW swell.