IOR
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII, EAST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 1ST OF NOVEMBER 2024 AT 17:30 UTC.
FOR SOUTH-EAST SECTOR OF METAREA. VII, PREPARED BY REUNION, SEE AREA 2 BELOW.
NOTE: WX OBSERVATIONS.
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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 012200 TO 022200 UTC:
WIND IN KNOTS, WAVE HEIGHTS IN METERS. 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 FORCE WARNINGS:
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MARION FORTIES EAST: NW to N 35 in the south-west.
SYNOPTIC CHART 12:00Z
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High 1022 hPa 38s41e
Low 957 hPa 58s16e
Low 1006 hPa 43s66e
1. Cold Front: 30s53e 34s58e 38s64e into 43s66e
AREA FORECAST:
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CAPE EAST (32.5S/40S, 20E/50E):
WIND : NE to E 10 to 20 reaching 25 in the north-west spreading to
the central parts from mid-period, but NW to W 10 to 20 in the
west reaching 30 in the south-west in the second half of the
period.
VIS : Good, but moderate in showers and rain in the west.
SEA STATE: 3.5 to 4.5m in the extreme south-west by the end of the
period, with SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : N to NE 10 to 20 in the north-east and west reaching 25 to 30
in the extreme west, otherwise SE to E 10 to 20.
VIS : Good, but moderate in showers and rain in the east.
MOZAMBIQUE CHANNEL:
WIND : NW 05 to 15 in the north-west, otherwise S to SE 05 to 15
reaching 20 to 25 in the south-east from mid-period, but NE
to E 15 to 25 in the extreme south-west.
VIS : Good, but moderate in showers and thundershowers in the
north in the first half of the period.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : NE to E 05 to 15 in the south, otherwise SE 10 to 15.
VIS : Moderate in light showers and rain.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : Anticyclonic 05 to 10 in the north-east until mid-period,
otherwise NW to N 15 to 25 reaching 30 to 35 in the south-
west.
VIS : Good, but moderate to poor in showers and rain in the south-
west.
SEA STATE: 3.0m to 4.0m in the south-west spreading to the south-east by
the end of the period while reaching 4.5 to 5.0m in the south-
west, with NW swell.
AREA 2:
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MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)
24/11/01 AT 1600UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40% STRONGER THAN THE AVERAGES GIVEN HERE).
PART 1: WARNING
NIL.
PART 2: GENERAL SYNOPSIS, 24/11/01 AT 1200UTC
– LOW 1005 NEAR 43S/66E, MOVING EASTWARD. WARM FRONT 45S/72E, 45S/70E, 43S/65E, 40S/59E. COLD FRONT 40S/63E, 36S/60E, 30S/53E, 27S/50E.
– HIGH 1023 OVER WESTERN REACHING CRO AND WAM, WITH A RIDGE TOWARD KERGUELEN’S ISLAN