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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 04th OF JULY 2024 AT 17:10 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 042200 TO 052200 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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1. CAPE EAST : W to SW 35 to 45 in south-west at first, spreading to
the north-west.
2. DURBAN EAST: S to SW 35 to 40 in the south-west from mid-period.
SYNOPTIC CHART 12:00Z
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High 1024 hPa 27s03w
High 1028 hPa 33s57e.
Low 996 hPa 44s13e
Low 998 hPa 43s09e
Low 984 hPa 51s07e
Low 1004 hPa 44s31e
1. Cold Front: 33s09e 38s15e 43s15e into 44s13e cont. 49s15e
AREA FORECAST:
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CAPE EAST (32.5S/40S, 20E/50E):
WIND : N to NE 15 to 25 in the extreme east where it will become NW
15 to 25 towards the end of the period, otherwise W to SW 15
to 25, reaching 35 to 45 in south-west at first, spreading to
the north-west.
VIS : Moderate in showers and thunderstorms.
SEA STATE: 3.0 to 4.0m, but 5.0 to 6.0m in the west, reaching 7.0 to 7.5m
in north-west from mid-period, SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : N to NE 15 to 25 in the extreme east, otherwise S to SW 15 to
25, reaching 35 to 40 in the south-west by mid-period, but NW
15 to 25 over the central parts at first, spreading to the
east by the end of the period.
VIS : Moderate in showers and rain in places at times.
SEA STATE: 3.0 to 4.0m in the south, reaching 5.0 to 6.0m in the south-
west, W to SW swell.
MOZAMBIQUE CHANNEL:
WIND : S to SE 10 to 20 in the north, otherwise variable 05 to 10.
VIS : Good.
MADAGASCAR EAST:
WIND : S to SE 15 to 25. but N to NE 15 to 25 in the south.
VIS : Moderate in showers in places.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : N to NE 15 to 25, but S to SW 15 to 25 in the west.
VIS : Moderate to poor in showers and rain.
SEA STATE: 3.0 to 3.5m in places in the east, SW swell.
AREA 2:
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MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)
DATE: 24/07/04 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 SOUTH-EASTERN CRO SOON AND OVER KER LATER.
PART 2: GENERAL SYNOPSYS, 24/07/04 AT 1200 UTC:
– COLD FRONT CF AXIS 43S/51E, 44S/53E, 48S/57E, 52S/60E MOVING EASTWARD. EXPECTED OVER EASTERN KER AT THE END.
– COLD FRONT CG EXPECTED OVER NORTH-WESTERN WAM AT FIRST MOVING SOUTH-SOUTH-EASTWARD.
– HIGH 1028 NEAR 33S/57E OVER WAM, SLOWLY MOVING EASTWARD.
– HIGH 1015 EXPECTED OVER WESTERN CRO SOON AND MOVING EASTWARD.
PART 3: FORECAST FOR 24 HOURS FROM 04/07/24 AT 1800 UTC TO 05/07/24 AT 1800 UTC:
WAM (30S/40S,50E/65E):
FEW SHOWERS. FRONTAL RAIN AND SHOWERS WITH CG LATER OVER FAR NORTHWESTERN.
WIND : ANTICLOCKWISE 2/4, INCREASING NORTHERLY 5/6 BY WESTERN SOON, LOCALLY 7 OVER FAR WESTERN LATER.
SEA: MODERATE TO ROUGH LOCALLY VERY ROUGH AT THE END OVER WESTERN. SW SWELL 2 TO 4 M FROM WEST TO EAST, ABATTING. THEN NSWELL 2 TO 3 M BY WESTERN AT THE END.
VISI : MAINLY GOOD, LOCALLY POOR IN PRECIPITATIONS LATER.
AMS (30S/40S, 65E/80E):
SHOWERS IN SOUTH-EAST AT THE END.
WIND : SW 4/5 LOCALLY 6 OVER SOUTHEASTERN. BECOMING ANTICLOCKWISE 2/4 BY WESTERN LATER AND W 5/6 OVER SOUTHERN LOCALLY 7 OVER FAR SOUTH-EASTERN AT THE END.
SEA : ROUGH TO VERY ROUGH. SW SWELL 3 TO 4 M.
VISI : MAINLY GOOD. LOCALLY POOR IN PRECIPITATIONS OVER SOUTH-EASTERN AT FIRST.
CRO (40S/50S, 50E/65E):
FRONTAL RAINS AND SHOWERS WITH CF.
WIND : NW 6/7 AHEAD OF CF AND BACKING W OR SW 6/7 BEHIND LOCALLY 8 WITH GUSTS OVER SOUTH-EASTERN SOON. DECREASING VARIABLE 2/4 OVER WESTERN AT FIRST THEN NE 5 TO 7 OVER NORTH-WESTERN AT THE END.
SEA : ROUGH TO VERY ROUGH BECOMING MODERATE BY NORTH-WESTERN. SW SWELL 2 TO 4 M ABATING BY WESTERN.
VISI: POOR IN PRECIPITATIONS.
KER (40S/50S, 65E/80E):
FRONTAL RAINS AND SHOWERS BY SOUTHWESTERN WITH CF AT FIRST.
WIND : SW 5/7 OVERR EASTERN, BECOMING NW TO W 6/7 AHEAD OF CF BY WESTERN AT FIRST AND BACKING SW 6/7 LOCALLY 8 BEHIND. GUSTS.
SEA : ROUGH TO VERY ROUGH LOCALLY HIGH OVER SOUTH-WESTERN AT THE END. W TO SW SWELL 2 TO 3M.
VISI : POOR IN PRECIPITATIONS.
ENDS THIS IS CAPE TOWN RADIO
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