Marine Weather for HS 016

Forecast
========= weather bulletin for the high seas for Metarea VII.West of 20e issued by the South African Weather Service on the 20th December 2014 at 17:30 UTC.

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.

Area 1: ====== forecast valid from 202200 to 212200 utc:

Wind in knots, wave heights in metres. No sea state given if waves less than 3m.

Gale warnings: ============== nil.

Synoptic situation at 12:00z ============================ high 1024 hpa 31s06w. Low 1002 hpa 47s07e low 962 hpa 56s42e.

1. Cold front: 35s30e 40s37e 45s43e 50s49e into 56s42e.

Area forecast: ============== Ascension (06s/15s, 00e/20w) wind : S to se 10 to 20. Vis : good.

Angola (06s/s15s, 00e/west coast) wind : SW 05 to 10 in the extreme east and North-East, otherwise S to se 10 to 20. Vis : good but moderate to poor in fog patches in the extreme east and North-East.

St Helena (15s/30s, 00e/20w) wind : NE 10 to 15 in the extreme South-West, otherwise E to se 10 to 20. Vis : good.

Trades (15s/30s, 00e/west coast) wind : SW 10 to 20 in the extreme east and North-East, otherwise S to se 15 to 25, reaching 30 in the south-east. Vis : good but poor in fog patches in the extreme east and North-East. Sea state: 2.5 to 3.0m in the south-east, SW swell.

Tristan (30s/40s, 00e/20w) wind : variable 05 to 10 in the extreme northern interior, otherwise NW to W 10 to 20, but S to SW 10 to 20 in the east and North-East. It will become S to se 10 to 15 in the North-East by the second half of the period. Vis : good.

Cape west (30s/40s, 00e/20e) wind : W 20 to 30 in the extreme south, spreading to the extreme south-east by Sunday morning, otherwise S to SW 15 to 25, reaching 30. Vis : good, but moderate to poor in showers and rain in the extreme south at first. Sea state: 2.5 to 3.5m, SW swell.

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