WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
07TH OF JULY 2026 AT 17:00 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:
=======
FORECAST VALID FROM 072200 TO 082200 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:
====================
1. ST HELENA: SW to W 35 in the extreme south-west for the first half of the
period.
2. TRISTAN: E to SE 35 to 40 reaching 45 in the south but cyclonic 35 to 40
in the north-west reaching 45.
3. CAPE EAST: N to NW 35 in the south.
4. MARION FORTIES EAST: W to NW 35 in the south at first. It will become
cyclonic 35 to 45 in the north-west from mid-period
spreading to the north-eastern parts towards the end
of the period.
SYNOPTIC CHART 12:00Z
=====================
High 1040 hPa 34s56e.
Low 998 hPa 32s14w, Low 960 hPa 57s42e.
1. Cold Front: 17s20w 25s11w 30s09w 35s09w 35s14w into 32s14w.
AREA FORECAST:
==============
ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 10 to 20 but variable 05 to 10 in the south-west.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : SW 05 to 10 in the east, otherwise S to SE 10 to 20.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : Variable 05 to 15 in the north, otherwise N to NW 15 to 25 but SW
to W 20 to 30 in the south-west reaching 35 in the extreme south-
west for the first half of the period.
VIS : Good in the north-east, otherwise moderate in showers and
thundershowers but poor in the extreme south.
SEA STATE: 3.0 to 4.0m, except in the north-east, reaching 5.0 to 6.0m in the
south but 6.5 to 7.0m in the south-west, with S to SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 05 to 15 reaching 20 to 25 in the south-east but N to NE
10 to 15 in the south-west.
VIS : Good.
SEA STATE: 3.0m in the south, with S to SW swell.
TRISTAN (30S/40S, 00E/20W):
WIND : N to NE 20 to 30 in the east, otherwise E to SE 30 to 40
reaching 45 in the south but cyclonic 30 to 40 in the north-west
reaching 45.
VIS : Poor in showers and thundershowers but moderate in the extreme
east and north-east.
SEA STATE: 3.5 to 4.5m in the north-east, otherwise 5.0 to 6.0m reaching 7.0
to 8.0m in the west and south, with SE swell but NW swell in the
north-east.
CAPE WEST (30S/40S, 00E/20E):
WIND : NW 20 to 30 in the south-east at first, otherwise S to SE 10 to 20
but E to NE 15 to 25 in west.
VIS : Good but moderate in showers and rain in the south and west.
SEA STATE: 3.0 to 3.5, except in the north-east, reaching 4.0 to 4.5m in the
south, with SW swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : N to NW 20 to 30 reaching 35 in the south. It will become SW 20 to
30 in the south-west from mid-period.
VIS : Good in the extreme north, otherwise moderate in showers.
SEA STATE: 3.0 to 4.0m reaching 4.5 to 5.5m in the south-west spreading to
the south-east from mid-period, with SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : E 10 to 20 reaching 25 in the extreme north but N to NW 10 to 20
in the west.
VIS : Good.
SEA STATE: 3.0m in the extreme north-east, with SE swell.
MOZAMBIQUE CHANNEL:
WIND : S to SE 05 to 15 reaching 20 in the south-east and north-east.
VIS : Mostly good.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : E to SE 15 to 25.
VIS : Moderate in showers and rain.
SEA STATE: 3.0 to 3.5m, with S to SE swell.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : W to NW 15 to 25 reaching 30 to 35 in the south at first. It will
become cyclonic 35 to 45 in the north-west from mid-period
spreading to the north-eastern parts towards the end of the
period.
VIS : Moderate to poor in showers and rain but poor in snow-showers in
the south.
SEA STATE: 3.0 to 4.0m in the north for the first half of the period,
otherwise 5.0 to 6.0m, with W to SW swell.
AREA 2:
=======
MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)
MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA
ACK (AMSTERDAM-CROZET-KERGUELEN)
26/07/07 AT 1700UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40%
STRONGER THAN THE AVERAGES GIVEN HERE).
PART 1: WARNING
- GALE CONTINUING OR EXPECTED OVER CRO AND KER.
PART 2: GENERAL SYNOPSIS, 26/07/07 AT 1200UTC
- FRESH OR STRONG DISTURBED WESTERLY FLOW OVER CRO AND KER.
- HIGH 1037 OVER WAM NEAR 34S/57E, SLOWLY MOVING EASTWARDS, EXPECTED
1033 OVER AMS THE 08 AT 12UTC.
PART 3: FORECAST FOR 24 HOURS FROM 26/07/07 AT 1800UTC TO 26/07/08
AT 1800UTC
WAM (30S/40S, 50E/65E)
SCATTERED RAIN OR SHOWERS IN SOUTHEAST.
WIND:
- IN NORTH: ANTICLOCKWISE 3 OR 4.
- IN SOUTH : NORTHWEST 5 OR 6, GRADUALLY INCREASING 6 OR 7. GUSTS.
SEA: MODERATE OR ROUGH, BECOMING ROUGH OR VERY ROUGH IN FAR SOUTH AT
END
VISI: POOR IN PRECIPITATION.
AMS (30S/40S, 65E/80E)
SCATTERED SHOWERS.
WIND:
- IN FAR SOUTH: WESTERLY 5 OR 6, INCREASING 6 OR 7 AT END. GUSTS.
- ELSEWHERE: SOUTHERLY 4 OR 5, AT TIMES 6, BECOMING SOON
ANTICLOCKWISE 3 OR 4 FROM WEST.
SEA: ROUGH, DECREASING LOCALLY MODERATE IN NORTH.
VISI: MODERATE IN PRECIPITATION.
CRO (40S/50S, 50E/65E)
RAIN OR SHOWERS.
WIND: WEST OR NORTHWEST 6 OR 7, AT TIMES 8. SEVERE GUSTS.
SEA: ROUGH OR VERY ROUGH, BECOMING LOCALLY HIGH IN SOUTH.
VISI: POOR IN PRECIPITATION.
KER (40S/50S, 65E/80E)
RAIN OR SHOWERS.
WIND: WEST OR NORTHWEST 6 OR 7, AT TIMES 8. SEVERE GUSTS.
SEA: ROUGH OR VERY ROUGH, BECOMING LOCALLY HIGH AT END IN FAR
SOUTHWEST. SW SWELL INCREASING 5 OR 6 M IN SOUTH SOON.
VISI: POOR IN PRECIPITATION.=