WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
04th OF JULY 2026 AT 13:30 UTC.
FOR SOUTH-EAST 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 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 WEST: W to NW 35 in the south-east at first.
SYNOPTIC CHART 12:00Z
=====================
High 1022 hPa 46s37e.
Low 978 hPa 43s04e Low 983 hPa 39s56e.
Cold front 1: 30s06w 35s00e 40s06e 43s08e into 43s04e.
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : SE to E 10 to 15.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : SW 05 to 10 in the east, otherwise S to SE 10 to 15.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : E to SE 10 to 15 in the extreme north, otherwise variable 05 to
15.
VIS : Good but moderate in showers and rain in places in the south.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 10 to 20 in the north and east, otherwise variable 05 but
NW 10 to 20 in the south-west.
VIS : Good, becoming moderate in showers and rain in the south-west.
TRISTAN (30S/40S, 00E/20W):
WIND : W to SW 15 to 25 reaching 30 in the south-east but variable 05 in
the north. It will become N to NE 15 to 25 in the north-west from
mid-period.
VIS : Good but moderate in showers and rain in the south.
SEA STATE: 3.0 to 4.0m reaching 4.5m in the extreme south, with SW to W
swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : W to NW 15 to 25 reaching 30 in the south but 35 in the south-east
at first. It will become anticyclonic 05 to 15 in the north from
mid-period.
VIS : Good in the north-east, otherwise moderate to poor in frontal
showers and rain.
SEA STATE: 3.0 to 4.0m, except in the north-east, reaching 4.5 to 5.0m in the
extreme south, with W to SW swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : Anticyclonic 05 to 15 in the east at first, otherwise W to SW 15
to 25 but NW 15 to 25 in the west reaching 30 in the south-west.
VIS : Good in the north-west, otherwise moderate in showers and
thundershowers.
SEA STATE: 3.0 to 3.5m reaching 4.0 to 5.0m in the extreme east and the
south-west, with S to SE swell but NW swell in the south-west.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : S to SW 10 to 20 but anticyclonic 05 to 10 in the west. It will
become N to NE 15 to 25 in the extreme south-west from mid-period.
VIS : Good but moderate in showers and thundershowers in the extreme
south.
SEA STATE: 3.0 to 4.0m over the central and eastern parts reaching 4.5 to
5.0m in the south-east for the first half of the period, with S to
SW swell.
MOZAMBIQUE CHANNEL:
WIND : S to SE 10 to 15 reaching 20 in the south-east.
VIS : Mainly good.
SEA STATE: 3.0m in the south, with S to SW swell.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : Variable 05 to 10 in the south at first, otherwise S to SE 10 to
20.
VIS : Good but moderate in showers and rain in the north.
SEA STATE: 3.0m in the extreme south, with SW swell.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : S to SW 10 to 20 in the east, otherwise anticyclonic 05 to 15 but
N to NE 15 to 25 in the west reaching 30 in the south-west
from mid-period.
VIS : Moderate in light snow showers in the south and moderate in
showers and rain in the north-west, otherwise good.
SEA STATE: 3.0m in the extreme east at first and in the extreme west towards
the end of the period, with S to SW swell but NW swell in the
extreme west.
AREA 2:
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MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)
26/07/04 AT 0500UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40% STRONGER THAN THE AVERAGES GIVEN HERE).
PART 1: WARNING
- SEVERE GALE TO STORM OVER SOUTHERN WAM.
- SEVERE GALE OVER NORTHERN CRO.
- SEVERE GALE TO STORM EXPECTED OVER SOUTHERN AMS AND NORTHERN KER AT END.
PART 2: GENERAL SYNOPSIS, 26/07/04 AT 0000UTC
- LOW 986 HPA NEAT 39S/49E, MOVING EASTWARD, EXPECTED 982 HPA NEAR 40S/56E AT 12UTC AND 977 HPA NEAR 41S/70E AT 06UTC.
- WARM FRONT AXIS 40S/51E, 41S/57E, 40S/62E.
- COLD FRONT AXIS 32S/48E, 38S/51E, MOVING EASTWARD.
- HIGH 1025HPA NEAR 31S/71E, MOVING EASTWARD.
PART 3: FORECAST FOR 24 HOURS FROM 26/07/04 AT 0600UTC TO 26/07/05 AT 0600UTC
WAM (30S/40S, 50E/65E)
FRONTAL RAIN, SQUALLS AND SHOWERS, BECOME LESS FREQUENT LATER.
WIND: CLOCKWISE 7 OR 8, LOCALLY 9 OR 10 OVER EAST OF THE LOW, DECREASING FROM WEST SW 4 TO 6 OVER WESTERN AND 6 OR 7 OVER EASTERN AT END. VIOLENT GUSTS.
SEA: ROUGH TO VERY ROUGH , BECOMING VERY ROUGH TO HIGH. W SWELL 4 OR
5 METERS, THEN S SWELL 3 METERS AND A HALF TO 4 METERS AND A HALF BEHIND THE LOW.
VIS : VERY POOR WITH PRECIPITATION.
AMS (30S/40S, 65E/80E)
FRONTAL RAIN, SQUALLS AND SHOWERS OVER SOUTHERN, BECOME LESS FREQUENT LATER.
WIND: ANTICLOCKWISE 2 TO 4 OVER NORTHEASTERN, NW OR W 5 OR 6 ELSEWHERE, INCREASING NW 6 OR 7, LOCALLY 8 SOON, THEN BECOMING SW 9 OR 10 OVER FAR SOUTHWESTERN AT END. VIOLENT GUSTS.
SEA: ROUGH TO VERY ROUGH, BECOMING HIGH OVER SOUTHWESTERN LATER. SW SWELL 3 TO 5 METERS.
VIS: VERY POOR WITH PRECIPITATION.
CRO (40S/50S, 50E/65E)
FRONTAL RAIN, SQUALLS AND SHOWERS OVER NORTHERN, BECOME LESS FREQUENT AT END.
WIND: VARIABLE 2 OR 3 OVER SOUTHEASTERN, CLOCKWISE 7 OR 8 OVER NORTHERN, LOCALLY 8 OR 9 OVER EAST OF THE LOW, BECOMING S 5 OR 6 OVER SOUTHERN, 7 OR 8 OVER NORTHERN LATER, DECREASING 4 TO 7 FROM WEST TO EAST AT END. VIOLENT GUSTS.
SEA: ROUGH TO VERY ROUGH, BECOMING LOCALLY HIGH OVER NORTHERN SOON.
SW SWELL 3 OR 4 METERS ABATING.
VIS: VERY POOR WITH PRECIPITATION.
KER (40S/50S, 65E/80E)
FRAONTAL RAIN, SQUALLS AND SHOWERS OVER NORTHERN SOON.
WIND: SW 6 OR 7 OVER SOUTHEASTERN, LOCALLY 8 OVER FAR SOUTHEASTERN BUT NW 5 OR 6 OVER NORTHWESTERN, BECOMING SOON CLOCKWISE 6 OR 7, LOCALLY 8 OVER NORTHERN BUT VARIABLE 2 OR 3 OVER SOUTHERN, THEN BECOMING S 6 OR 7 OVER SOUTHERN, 8 OR 9 OVER NORTHWESTERN, LOCALLY 9 OR 10 OVER EAST OF THE LOW. VIOLENT GUSTS.
SEA: VERY ROUGH TO HIGH. SW SWELL 4 OR 5 METERS ABATING.
VIS: VERY POOR WITH PRECIPITATION.