Marine Weather

=========

weather bulletin for the high seas for Metarea VII. West of 20e

issued by the South African Weather Service on the

21st of November 2009 at 08:30 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 211000 to 221000 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):

================

1. Tristan: NW 35 to 40 in the west.





Synoptic situation at 06:00 UTC

===============================

high 1026 hpa 30s02w high 1034 hpa 37s45e

low 974 hpa 43s20w low 1006 hpa 44s22e low 1010 36s24e



1. Cold front: 30s31w 35s20w 40s15w 45s15w 43s20e



Area forecast:

==============



Ascension (06s/15s, 00e/20w)

wind : se to E 10 to 15 reaching 20 at times.

Vis : good.



Angola (06s/15s, 00e/west coast)

wind : S to SW 05 to 10 in the east, otherwise se 10 to 15.

Vis : good.



St Helena (15s/30s, 00e/20w)

wind : se to E 15 to 25 but NE to NW 10 to 20 in the South-West.

Vis : moderate in light showers in the South-West.



Trades (15s/30s, 00e/west coast)

wind : SW 10 to 20 in the extreme east, otherwise S to se 10 to

20.

Vis : good.



Tristan (30s/40s, 00e/20w)

wind : variable 05 to 10 in the extreme North-East at first,

otherwise NW 20 to 30 reaching 35 to 40.

Vis : poor in rain and showers in the west, spreading eastwards.

Sea state: 2.5 to 3.5m in the south reaching 4.0 to 6.0m in the west

South-West spreading eastwards, SW swells.



Cape west (30s/40s, 00e/20e)

wind : se 10 to 20 in the extreme North-East, otherwise

counter-clockwise (anti-cyclonic) 05 to 15 but NW 20 to

25 in the west reaching 30 by end of the period.

Vis : good.

Sea state: 2.5 to 3.0m in the south, with mainly SW swells.










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Tides

Tide Quick Jump to:
Cape Town |  James Bay |  Lobito |  Luanda |  Luderitz Bay |  Mocamedes |  Santo Antonio |  Walvis Bay | 

Date Time Tide Type Height
Cape Town
2009-11-21 5:40 AM SAST High Tide 5.05 feet
2009-11-21 11:40 AM SAST Low Tide 2.26 feet
2009-11-21 5:43 PM SAST High Tide 4.72 feet
2009-11-21 11:50 PM SAST Low Tide 2.00 feet
2009-11-22 6:21 AM SAST High Tide 4.86 feet
2009-11-22 12:27 PM SAST Low Tide 2.49 feet
2009-11-22 6:26 PM SAST High Tide 4.43 feet
James Bay
2009-11-21 5:08 AM GMT High Tide 2.49 feet
2009-11-21 11:24 AM GMT Low Tide 0.59 feet
2009-11-21 5:50 PM GMT High Tide 2.56 feet
2009-11-21 11:55 PM GMT Low Tide 0.98 feet
2009-11-22 5:48 AM GMT High Tide 2.36 feet
2009-11-22 12:07 PM GMT Low Tide 0.72 feet
Lobito
2009-11-21 5:54 AM WAT High Tide 5.18 feet
2009-11-21 12:14 PM WAT Low Tide 2.10 feet
2009-11-21 6:38 PM WAT High Tide 4.86 feet
2009-11-22 12:24 AM WAT Low Tide 2.76 feet
2009-11-22 6:34 AM WAT High Tide 4.95 feet
2009-11-22 12:58 PM WAT Low Tide 2.26 feet
Luanda
2009-11-21 6:03 AM WAT High Tide 5.35 feet
2009-11-21 12:28 PM WAT Low Tide 1.97 feet
2009-11-21 6:52 PM WAT High Tide 5.02 feet
2009-11-22 12:38 AM WAT Low Tide 2.79 feet
2009-11-22 6:43 AM WAT High Tide 5.12 feet
2009-11-22 1:11 PM WAT Low Tide 2.17 feet
Luderitz Bay
2009-11-21 5:39 AM WAST High Tide 4.04 feet
2009-11-21 11:45 AM WAST Low Tide 1.21 feet
2009-11-21 5:53 PM WAST High Tide 3.61 feet
2009-11-21 11:51 PM WAST Low Tide 1.21 feet
2009-11-22 6:21 AM WAST High Tide 3.84 feet
2009-11-22 12:34 PM WAST Low Tide 1.41 feet
2009-11-22 6:42 PM WAST High Tide 3.35 feet
Mocamedes
2009-11-21 5:52 AM WAT High Tide 5.12 feet
2009-11-21 12:10 PM WAT Low Tide 2.23 feet
2009-11-21 6:34 PM WAT High Tide 4.79 feet
2009-11-22 12:20 AM WAT Low Tide 2.79 feet
2009-11-22 6:34 AM WAT High Tide 4.92 feet
2009-11-22 12:55 PM WAT Low Tide 2.36 feet
Santo Antonio
2009-11-21 6:26 AM WAT High Tide 5.54 feet
2009-11-21 12:40 PM WAT Low Tide 2.07 feet
2009-11-21 7:18 PM WAT High Tide 5.22 feet
2009-11-22 12:50 AM WAT Low Tide 2.92 feet
2009-11-22 7:05 AM WAT High Tide 5.32 feet
2009-11-22 1:23 PM WAT Low Tide 2.23 feet
Walvis Bay
2009-11-21 5:50 AM WAST High Tide 4.66 feet
2009-11-21 11:50 AM WAST Low Tide 1.71 feet
2009-11-21 6:11 PM WAST High Tide 4.17 feet
2009-11-21 11:54 PM WAST Low Tide 1.80 feet
2009-11-22 6:32 AM WAST High Tide 4.46 feet
2009-11-22 12:37 PM WAST Low Tide 1.87 feet
2009-11-22 7:01 PM WAST High Tide 3.97 feet

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