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weather bulletin for the high seas for Metarea VII. East of 20e
issued by the South African Weather Service on the
18th June 2013 at 13:00 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:
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forecast valid from 182200 to 192200 utc:
Wind in knots, wave heights in metres. No sea state given if
waves less than 3m.
Gale warnings:
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1. Cape east: W to NW 35 to 40.
2. Marion forties east: W to NW 35 to 40.
Synoptic situation at 12:00 UTC
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high 1028 hpa 33s14w high 1026 hpa 30s37e.
Low 970 hpa 49s14e.
Area forecast:
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cape east (32.5s/40s, 20e/50e)
wind : W to NW 20 to 30, reaching 40.
Vis : good, but moderate in showers and rain in the west,
spreading eastwards.
Sea state: 3.0 to 4.0m, reaching 6.0 to 7.0m, SW swell.
Durban east (25s/32.5s, East Coast/55e)
wind : E to se 10 to 20 in the east, otherwise N to NW 15 to 25,
moderating at the end of the period.
Vis : good.
Sea state: 3.0 to 4.0m, but 5.0 to 6.0m in the east, SW swell.
Mozambique channel:
wind : S to se 10 to 20, reaching 25 in the north at first.
Vis : good, but moderate in showers in the north-west.
Sea state: 3.0 to 4.0m in the south, SW swell.
Madagascar east:
wind : E to se 10 to 20, reaching 30 in the north.
Vis : moderate in showers and rain.
Sea state: 3.0 to 3.5m, reaching 4.5m in the south, SW swell but se in
the extreme North.
Marion forties east: (40s/50s, 35e/50e)
wind : W to NW 20 to 30, reaching 40.
Vis : good, becoming moderate in showers and rain from the west.
Sea state: 4.0 to 5.0m, reaching 6.0 to 7.0m, W to SW swell.
Area 2
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marine meteorological bulletin from Meteo-France/La Reunion on area ack
(amsterdam-Crozet-kerguelen)
Date: 13/06/18 at 1700 UTC
Averaged wind speed on Beaufort scale. (Wind gusts may be stronger
than averages given here).
Part 1: warning : gale force 8 over ams and cro.
Part 2: general synopsys, 13/06/18 a 1200 UTC : cold front axis : 26s/61e,
30s/66e, 35s/70e, 40s/72e, 45s/72e, 50s/70e,55s/69e moving eastward
30/35 kt.
High 1027 hpa near 32s/40e moving eastward 15/20 kt.
Page 1/2
part 3: forecast for 24 hours from 13/06/18 at 1800 UTC to
13/06/19 at 1800 UTC :
Wam (30s/40s,50e/65e) : showers.
Wind : South-West 5/7, becoming anticlockwise 3/5 over western area
in second part of period.
Sea : moderate to rough. West to South-West heavy swell.
Vis : poor in precipitations.
Ams (30s/40s,65e/80e) : frontal rain and showers.
Wind : north-west 5/7 ahead the front, backing west then South-West
7/8 behind and decreasing 5/7 over western area in second part of
period.
Sea : rough to very rough. Moderate to heavy W to South-West swell.
Vis : poor in precipitations.
Cro (40s/50s,50e/65e) : showers.
Wind : west to South-West 6 to 8 decreasing westerly 5/6 in second
part of period then north-west 5/7 over western area in end of
period.
Sea : rough to very rough. Moderate to heavy westerly swell.
Vis : poor in precipitations.
Ker (40s/50s,65e/80e) : frontal rains and showers, then rain or snow showers.
Wind : South-West 5/7 behind the front.
Sea : moderate to rough. Moderate westerly swell.
Vis : poor in precipitations.
