securite: ========= weather bulletin for coastal waters up to 50 nautical miles seaward. Issued at 13:30 UTC by the South African Weather Service on the 17th may 2008.
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.
Advisory: ========= nil.
Gale force warning(s): ====================== nil.
Warning of heavy seas: ====================== wave-height in excess of 5m(mainly long period(14-16s) SW swell)is expected between Cape Agulhas and cape Columbine, spreading to east London and Orange River by overnight.
Abnormal wave conditions: ========================= nil.
Area forecast: ==============
Cunene River to Walvis Bay: wind : S to se 05 to 10 vis : good. Sea state: 3m swell.
Walvis Bay to the Orange River: wind : S to se 10 to 15. Vis : good. Sea state: 3m to 4m, SW swell.
Orange River to cape agulhas: wind : se 10 to 20, reaching 25 south of Cape Point becoming NW 10 tomorrow. Vis : good becoming poor in fog patches overnight north of cape Columbine. Sea state: 5m, reaching 6m south of cape Columbine, SW swell.
Cape Agulhas to east london: wind : E to NE 10 to 15, reaching 20 to 25 in the agulhas area. Vis : good. Sea state: 3.5m to 4.5m, reaching 5m in the west, SW swell.
East London to Maputo: wind : NE 15 to 25 but se 10 to 15 in the north. Vis : good. Sea state: 2 to 3m in the south, SW swell.
Mozambique channel: wind : S to se 15 to 25. Vis : good but moderate in showers in the North-East. Sea state: 3m in the north, S swell.
| Date | Time | Tide Type | Height |
|---|---|---|---|
| Cape Town | |||
| 2008-05-17 | 7:58 AM SAST | Low Tide | 1.54 feet |
| 2008-05-17 | 2:05 PM SAST | High Tide | 5.02 feet |
| 2008-05-17 | 8:01 PM SAST | Low Tide | 1.87 feet |
| 2008-05-18 | 2:09 AM SAST | High Tide | 5.41 feet |
| 2008-05-18 | 8:27 AM SAST | Low Tide | 1.44 feet |
| 2008-05-18 | 2:37 PM SAST | High Tide | 5.15 feet |
| Durban | |||
| 2008-05-17 | 8:19 AM SAST | Low Tide | 1.48 feet |
| 2008-05-17 | 2:24 PM SAST | High Tide | 5.41 feet |
| 2008-05-17 | 8:24 PM SAST | Low Tide | 1.54 feet |
| 2008-05-18 | 2:35 AM SAST | High Tide | 5.91 feet |
| 2008-05-18 | 8:50 AM SAST | Low Tide | 1.28 feet |
| 2008-05-18 | 2:55 PM SAST | High Tide | 5.58 feet |
| East London | |||
| 2008-05-17 | 8:19 AM SAST | Low Tide | 2.17 feet |
| 2008-05-17 | 2:24 PM SAST | High Tide | 5.81 feet |
| 2008-05-17 | 8:18 PM SAST | Low Tide | 2.23 feet |
| 2008-05-18 | 2:35 AM SAST | High Tide | 6.40 feet |
| 2008-05-18 | 8:48 AM SAST | Low Tide | 1.97 feet |
| 2008-05-18 | 2:56 PM SAST | High Tide | 6.00 feet |
| Luderitz Bay | |||
| 2008-05-17 | 6:43 AM WAT | Low Tide | 0.43 feet |
| 2008-05-17 | 1:00 PM WAT | High Tide | 4.04 feet |
| 2008-05-17 | 6:55 PM WAT | Low Tide | 0.85 feet |
| 2008-05-18 | 1:02 AM WAT | High Tide | 4.20 feet |
| 2008-05-18 | 7:15 AM WAT | Low Tide | 0.36 feet |
| 2008-05-18 | 1:33 PM WAT | High Tide | 4.13 feet |
| Maputo | |||
| 2008-05-17 | 3:01 AM CAT | High Tide | 9.81 feet |
| 2008-05-17 | 9:12 AM CAT | Low Tide | 3.28 feet |
| 2008-05-17 | 3:14 PM CAT | High Tide | 9.61 feet |
| 2008-05-17 | 9:21 PM CAT | Low Tide | 2.92 feet |
| 2008-05-18 | 3:31 AM CAT | High Tide | 10.17 feet |
| 2008-05-18 | 9:43 AM CAT | Low Tide | 2.89 feet |
| 2008-05-18 | 3:44 PM CAT | High Tide | 9.97 feet |
| Mosselbaai | |||
| 2008-05-17 | 8:16 AM SAST | Low Tide | 1.44 feet |
| 2008-05-17 | 2:21 PM SAST | High Tide | 5.45 feet |
| 2008-05-17 | 8:12 PM SAST | Low Tide | 1.57 feet |
| 2008-05-18 | 2:31 AM SAST | High Tide | 6.14 feet |
| 2008-05-18 | 8:43 AM SAST | Low Tide | 1.28 feet |
| 2008-05-18 | 2:53 PM SAST | High Tide | 5.61 feet |
| Port Elizabeth | |||
| 2008-05-17 | 8:20 AM SAST | Low Tide | 1.57 feet |
| 2008-05-17 | 2:20 PM SAST | High Tide | 5.18 feet |
| 2008-05-17 | 8:16 PM SAST | Low Tide | 1.71 feet |
| 2008-05-18 | 2:30 AM SAST | High Tide | 5.84 feet |
| 2008-05-18 | 8:48 AM SAST | Low Tide | 1.41 feet |
| 2008-05-18 | 2:53 PM SAST | High Tide | 5.38 feet |
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