WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
06TH OF JULY 2026 AT 16:30 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 062200 TO 072200 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: S to SW 35 to 40 in the south-west towards mid-period.
2. TRISTAN: SE 35 to 40 in the west and north-west, spreading to the central
and southern parts towards mid-period.
3. MARION FORTIES EAST: W to NW 35 in the south-west towards mid-period,
spreading to the south-east towards the end of the
period.
SYNOPTIC CHART 12:00Z
=====================
High 1023 hPa 27s10e, High 1034 hPa 37s53e
Low 1001 hPa 31s18w, Low 941 hPa 62s25e
1. Cold Front: 18s33w 20s27w 25s19w into 31s18w
2. Cold Front: 40s31e 45s46e 50s51e 55s52e into 62s25e
AREA FORECAST:
==============
ASCENSION (06S/15S, 00E/20W):
WIND : SE to E 05 to 15, becoming variable 05 to 10 in the south towards
the end of the period.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : Variable 05 to 10 in the east, otherwise S to SE 05 to 15.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : NW 15 to 25 reaching 30 in the south-west, spreading to the south-
east towards mid-period, while becoming S to SW 30 to 40 in the
south-west.
VIS : Good but moderate to poor in showers and thundershowers in the
south-west, spreading over the southern and central parts towards
the end of the period.
SEA STATE: 3.0 to 4.0m in the south-west, spreading to the south-east towards
mid-period, while reaching 5.0 to 7.0m in the south-west, with SW
swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : Variable 05 to 10 in the south-west, otherwise S to SE 10 to 20
reaching 25 in the south-east at first.
VIS : Good.
SEA STATE: 3.0m in the extreme south-west by the end of the period, with S to
SW swell.
TRISTAN (30S/40S, 00E/20W):
WIND : NW 20 to 30 in the north and north-east, otherwise SE 20 to 30
reaching 35 to 40 in the west and north-west, spreading to the
central and southern parts towards mid-period.
VIS : Moderate to poor in showers and thundershowers.
SEA STATE: 5.0 to 7.0m but 3.0 to 4.0m in the extreme south and north-east,
with S to SE swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : S to SE 10 to 20 in the extreme north-east, otherwise W to NW 10
to 20 reaching 25 to 30 in the south-east at first. It will become
E to SE 20 to 30 in the extreme south-west towards the end of the
period.
VIS : Good but moderate in showers and rain in the south and south-west.
SEA STATE: 3.0 to 3.5m in the southern and western halves, reaching 4.0 to
4.5m in the south and south-west, with SW swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : N to NW 10 to 20 reaching 25 to 30 in central and south-western
parts, spreading to the south-eastern parts towards the end of the
period.
VIS : Good but moderate in showers and thundershowers in the south-west,
spreading to the south-east towards the end of the period.
SEA STATE: 3.0 to 4.0m in the south-west, spreading to the south towards the
end of the period, with SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : SE to E 05 to 15 reaching 20 to 25 in the north, but N to NE 20 to
30 in the west. It will become S to SW 05 to 15 in the extreme
south-west towards the end of the period.
VIS : Good.
SEA STATE: 3.0 to 3.5m in the north-east, with S to SE swell.
MOZAMBIQUE CHANNEL:
WIND : N to NE 05 to 15 in the extreme south-west, otherwise S to SE 10
to 20 reaching 25 to 30 in the south-east, but in the north-east
towards the end of the period.
VIS : Good but moderate in showers and rain in the northern parts.
SEA STATE: 3.0m in the south-east, with S to SE swell.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : SE 15 to 25 reaching 30 in the extreme north-west.
VIS : Moderate in showers and rain in places.
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-west towards mid-
period, spreading to the south-east towards the end of the period.
VIS : Good but moderate in showers and rain in the west towards mid-
period, spreading to the east towards the end of the period.
SEA STATE: 3.0 to 4.0m, reaching 5.0 to 6.0m in the south-west towards mid-
period, spreading to the south-east towards the end of the period,
with W to SW swell.
AREA 2:
=======
MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA
ACK (AMSTERDAM-CROZET-KERGUELEN)
26/07/06 AT 1600UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40%
STRONGER THAN THE AVERAGES GIVEN HERE).
PART 1: WARNING
- GALE EXPECTED OVER CRO AND KER.
PART 2: GENERAL SYNOPSIS, 26/07/06 AT 1200UTC
- BUILDING HIGH 1033 NEAR 37S/52E, SLOWLY MOVING NORTH-EASTWARD.
- COLD FRONT (CF) VERY SLOW-MOVING OVER FAR NORTH-EASTERN AMS.
- COLD FRONT (CG) OVER WESTERN CRO RAPIDLY MOVING EASTWARD.
- COLD FRONT (CH) OVER WESTERN CRO AT END, LINKED TO A DEEPENING LOW
EXPECTED 959 NEAR 57S/48E THE 07/07 AT 18UTC.
PART 3: FORECAST FOR 24 HOURS FROM 26/07/06 AT 1800UTC TO 26/07/07
AT 1800UTC
WAM (30S/40S, 50E/65E)
FEW SHOWERS.
WIND: ANTICLOCKWISE 3/4 BUT SE 5/6 OVER FAR NORTH-EASTERN AND W 5/6
OVER FAR SOUTHERN WITH GUSTS.
SEA : MODERATE TO ROUGH FROM WEST TO EAST, BUT VERY ROUGH AT FIRST
OVER FAR NORTH-EASTERN. S SWELL AROUND 3M OVER EASTERN ABATING.
VIS : MAINLY GOOD.
AMS (30S/40S, 65E/80E)
SHOWERS BUT FRONTAL RAIN AND SHOWERS (CF) OVER FAR NORTH-EASTERN.
WIND:SOUTHERLY 5/6 WITH GUSTS AT TIMES, BUT VARIABLE 2/4 OVER
NORTH-EASTERN AT FIRST.
SEA : ROUGH TO VERY ROUGH FROM WEST TO EAST, BECOMING ROUGH. SW SWELL
4 TO 5M ABATING 3M.
VIS : POOR IN PRECIPITATION.
CRO (40S/50S, 50E/65E)
FRONTAL RAIN AND SHOWERS (CG THEN CH). SCATTERED SHOWERS BETWEEN
BETWEEN THE 2 FRONTS.
WIND: INCREASING WESTERLY 6/7 AT TIMES8, DECREASING TEMPORARILY 5/6
AT TIMES 4, THEN INCREASING NW 6/7 OVER WESTERN LATER. SEVERE GUSTS.
SEA : ROUGH TO VERY ROUGH. SOUTH-WESTERLY SWELL 3M OVER EASTERN AT
FIRST, THEN W SWELL AROUND 3M LOCALLY 4M, ABATING LATER.
VIS : POOR IN PRECIPITATION.
KER (40S/50S, 65E/80E)
SCATTERED SHOWERS THEN FRONTAL RAIN AND SHOWERS FROM WEST WITH CG.
WIND: SW 5/6 AT TIMES 7, INCREASING WESTERLY 6/7 AT TIMES 8. SEVERE
GUSTS.
SEA : ROUGH TO VERY ROUGH. SW SWELL 3 TO 4M.
VIS : POOR IN PRECIPITATION.