securite:
=========
weather bulletin for coastal waters up to 50 nautical miles seaward.
Issued at 13:00 UTC by the South African Weather Service on the
21st December 2009.
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.
Advisory:
=========
nil.
Gale warning(s):
================
nil.
Warning of heavy seas:m
======================
nil.
Abnormal wave conditions:
=========================
nil.
Area forecast:
==============
Cunene River to Walvis Bay:
wind : S to SW 10 to 15.
Vis : poor in fog patches at first.
Walvis Bay to the Orange River:
wind : S to SW 10 to 15.
Vis : poor in fog patches at first.
Orange River to cape agulhas:
wind : S to SW 10 to 15, but NW to W 10 to 15 south of St Helena Bay.
Vis : good, but poor in fog patches along the West Coast.
Sea state: 2.5m with SW swell south of Cape Point by end of period.
Cape Agulhas to east london:
wind : W to SW 15 to 25, moderating by tomorrow morning. It will become
NW 15 to 20 west of mossel Bay by end of period.
Vis : good becoming poor in fog patches east of mossel Bay by end of period.
Sea state: 2.0 to 3m, SW swell.
East London to Maputo:
wind : NE 20 to 30 in the north at first, otherwise SW 10 to 20.
Vis : good.
Sea state: 2.0 to 2.5m, SW swell.
Mozambique channel:
wind : variable 05 in the north, otherwise se to NE 05 to 10.
Vis : moderate in rain in the north.