Marine Weather for HS 014

Forecast
securite: ========= weather bulletin for coastal waters up to 50 nautical miles seaward. Issued by the South African Weather Service on the 21st July 2019 at 13:00 UTC.

Forecast valid from 212200 to 222200 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. A gale force south-westerly wind of 35 to 40 knots is expected between durban and St Lucia from overnight into tomorrow morning.

2. Moderate visibility is expected in rain and showers between saldanha Bay and cape algulhas tomorrow evening into Wednesday morning.

Watches: -------- nil

Severe weather advisories: -------------------------- nil.

Abnormal wave conditions: -------------------------- nil.

Cunene River to Walvis Bay: wind : N to NW 05 to 15, becoming variable 05 to 10 in the afternoon. Vis : good but poor in morning fog patches. Sea state: 2.0 to 2.5m, with S to SW swell.

Walvis Bay to Orange River: wind : NW 10 to 20 spreading south but variable 05 to 10 in the south. Vis : good. Sea state: 2.0 to 2.5m, reaching 3.0m south of luderitz at first, SW swell.

Orange River to cape agulhas: wind : N to NW 10 to 15, becoming 20 to 30 south of Table Bay, spreading to kleinzee by the afternoon, reaching 25 to 35 south of Table Bay in the evening.

Vis : good becoming moderate in rain and showers between saldanha Bay and cape algulhas tomorrow evening into Wednesday morning.

Sea state: 2.0 to 3.0m, reaching 3.5m south of Table Bay tomorrow afternoon, spreading to saldanha Bay by the end of the period; mainly sw'ly swell.

Cape Agulhas to east london: wind : NE to N 15 to 25 east of Algoa Bay at first, otherwise N to NW 10 to 20 becoming W to SW 10 to 20 west of George in the morning reaching 25 to 30 in the agulhas area but N to NE 5 to 10 between mossel Bay and Oyster Bay in the evening spreading to St Francis overnight.

Vis : good. Sea state: 2 to 3m with S swell becoming 3.5 to 4.5m with SW swell west of mossel Bay in the evening.

East London to Maputo: wind : N to NE 10 to 20 reaching 25 to 30 in places between port St Johns and durban, spreading northwards. It will become W to NW 15 to 25 south of port St Johns towards the end of the period.

Vis : good. Sea state: 2.5 to 3.5m sw'ly swell.

Mozambique channel: wind : S to SW 10 to 20 reaching 25 to 30 in the north but se 10 to 20 in the extreme south. Vis : good in the extreme north at first, otherwise moderate in light showers. It will become good in the southern and central parts in the second half of the period. Sea state: 3.0 to 4.0m reaching 4.5m in the south at first SW swell.

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There are currently no watches in effect.

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