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Marine forecast & tides
Marine weather index

Water temperatures
LocationTemp.
No stations reporting

=========
weather bulletin for the high seas for Metarea vii:
west of 20e.
Issued by the South African Weather Service on the
18th of November 2008 at 16:45 UTC.


For southeast sector of Metarea VII, prepared by reunion,
see area 2 below.


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 182200 to 192200 UTC.


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


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.



Gale warning(s):
---------------
nil.


Synoptic situation at 181200 UTC
=================================
high 1026 hpa 35s02e high 1030 hpa 42s82e
low 998 hpa 53s00w low 976 hpa 52s13w low 994 hpa 41s52e
low 990 hpa 47s54e low 984 hpa 53s62e low 972 hpa 65s65e
low 966 hpa 60s47e


1. Cold front: 36s15w 40s08w 45s02w 50s03e 53s00w 52s13w
2. Cold front: 31s40e 35s48e 41s52e 47s54e 53s62e 60s70e 65s65e


Area forecast:
==============


Ascension (06s/15s, 00e/20w)
wind : se 10 to 20 but S to SW 10 to 15 in the North-East.
Vis : good.


Angola (06s/15s, 00e/west coast)
wind : S to SW 05 to 15, but se 10 to 15 in the South-West.
Vis : good but poor in morning fog in the extreme east.


St Helena (15s/30s, 00e/20w)
wind : E to se 10 to 20 but NE to NW 10 to 20 in the South-West.
Vis : good, becoming moderate in rain in the South-West by end
of period.
Sea state: 2.5 to 3m, with SW swell.


Trades (15s/30s, 00e/west coast)
wind : se to S 15 to 25, but SW 05 to 10 in the extreme east.
Vis : good but poor in fog patches in the extreme east.
Sea state: 2.5 to 3.5m, with SSW swell.


Tristan (30s/40s, 00e/20w)
wind : N to NW 15 to 25, but SW 10 to 20 in the extreme South-West,
becoming se to E 10 to 20 in the western half by Friday
morning.
Vis : poor in rain and showers.
Sea state: 2.5m to 3.5m, mainly SW swell.


Cape west (30s/40s, 00e/20e)
wind : S to se 15 to 25 in north and east reaching 30 at times,
otherwise W to NW 15 to 25, becoming SW 10 to 20 in the
South-West by Friday afternoon.
Vis : good, but moderate in rain in the extreme North-East.
Sea state: 3.0 to 4.0m in the North-East, with SSW swell.






Tides


Date Time Tide Type Height
Cape Town, South Africa
2008-11-18 7:23 PM SAST High Tide 4.66 feet
2008-11-19 1:41 AM SAST Low Tide 2.13 feet
2008-11-19 8:08 AM SAST High Tide 4.95 feet
2008-11-19 2:50 PM SAST Low Tide 2.33 feet
2008-11-19 8:45 PM SAST High Tide 4.36 feet
2008-11-20 3:04 AM SAST Low Tide 2.36 feet
James Bay, St. Helena
2008-11-18 7:16 PM GMT High Tide 2.76 feet
2008-11-19 1:36 AM GMT Low Tide 0.85 feet
2008-11-19 7:33 AM GMT High Tide 2.40 feet
2008-11-19 1:51 PM GMT Low Tide 0.62 feet
2008-11-19 8:32 PM GMT High Tide 2.69 feet
2008-11-20 2:57 AM GMT Low Tide 0.92 feet
Lobito, Angola
2008-11-18 8:05 PM WAT High Tide 5.09 feet
2008-11-19 2:15 AM WAT Low Tide 2.66 feet
2008-11-19 8:12 AM WAT High Tide 4.89 feet
2008-11-19 2:47 PM WAT Low Tide 2.10 feet
2008-11-19 9:18 PM WAT High Tide 4.99 feet
2008-11-20 3:36 AM WAT Low Tide 2.79 feet
Luanda, Angola
2008-11-18 8:18 PM WAT High Tide 5.22 feet
2008-11-19 2:26 AM WAT Low Tide 2.72 feet
2008-11-19 8:19 AM WAT High Tide 5.02 feet
2008-11-19 2:56 PM WAT Low Tide 2.03 feet
2008-11-19 9:31 PM WAT High Tide 5.12 feet
2008-11-20 3:47 AM WAT Low Tide 2.85 feet
Luderitz Bay, Namibia
2008-11-18 7:34 PM WAST High Tide 3.71 feet
2008-11-19 1:33 AM WAST Low Tide 1.28 feet
2008-11-19 8:05 AM WAST High Tide 3.97 feet
2008-11-19 2:35 PM WAST Low Tide 1.18 feet
2008-11-19 8:56 PM WAST High Tide 3.54 feet
2008-11-20 2:56 AM WAST Low Tide 1.51 feet
Mocamedes, Angola
2008-11-18 8:00 PM WAT High Tide 5.02 feet
2008-11-19 2:11 AM WAT Low Tide 2.72 feet
2008-11-19 8:09 AM WAT High Tide 4.86 feet
2008-11-19 2:44 PM WAT Low Tide 2.20 feet
2008-11-19 9:14 PM WAT High Tide 4.92 feet
2008-11-20 3:32 AM WAT Low Tide 2.85 feet
Santo Antonio, Zaire
2008-11-18 8:42 PM WAT High Tide 5.45 feet
2008-11-19 2:40 AM WAT Low Tide 2.89 feet
2008-11-19 8:43 AM WAT High Tide 5.22 feet
2008-11-19 3:11 PM WAT Low Tide 2.17 feet
2008-11-19 9:53 PM WAT High Tide 5.35 feet
2008-11-20 4:03 AM WAT Low Tide 3.02 feet
Walvis Bay, Namibia
2008-11-18 7:49 PM WAST High Tide 4.40 feet
2008-11-19 1:34 AM WAST Low Tide 1.90 feet
2008-11-19 8:13 AM WAST High Tide 4.59 feet
2008-11-19 2:33 PM WAST Low Tide 1.64 feet
2008-11-19 9:06 PM WAST High Tide 4.27 feet
2008-11-20 3:00 AM WAST Low Tide 2.10 feet

Copyright © 2008 The Weather Underground, Inc.

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