WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
02nd 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 022200 TO 032200 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. CAPE EAST: Cyclonic 35 to 45 in the central parts, and NE to E 35 to 45 in
the east.
2. DURBAN EAST: SW 35 to 40 in the south-west, drifting to the central-south
by mid-period.
3. MARION FORTIES EAST: SE to E 35 in the north-west, where it will reach 40
while spreading to the east from mid-period.
SYNOPTIC CHART 12:00Z
=====================
High 1025 hPa 26s15w, High 1025 hPa 32s54e
Low 1008 hPa 40s02e, Low 1013 hPa 40s12e, Low 0999 hPa 36s33e.
1. Cold Front: 33s07w 35s02w 37s01e into 40s02e.
2. Cold Front: 34s15e 37s17e 39s15e into 40s12e.
AREA FORECAST:
==============
ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 10 to 20.
VIS : Moderate in rain and showers in places.
SEA STATE: 3.0 to 3.5m, moderating in the east from mid-period, with SE
swell.
ANGOLA (06S/15S, 00E/00N):
WIND : SW 05 to 15 in the east, otherwise S to SE 10 to 20.
VIS : Good.
SEA STATE: 3.0 to 3.5m in the south until mid-period, with S to SW
swell.
ST HELENA (15S/30S, 00E/20W):
WIND : Anti-cyclonic 05 to 15 in the central parts, otherwise E to SE 15
to 25, but NW 15 to 25 in the south.
VIS : Moderate in showers and rain in places in the northern parts and
in the south-west towards end of the period, otherwise good.
SEA STATE: 3.0m in the northern parts until mid-period, but in the south-west
towards end of the period, with S to SE swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : Anti-cyclonic 05 to 15 in the central-west, but NW 10 to 20 in the
south, otherwise S to SE 15 to 25.
VIS : Good.
SEA STATE: 3.0 to 3.5m in the north and north-eastern parts, with S to SW
swell.
TRISTAN (30S/40S, 00E/20W):
WIND : Anti-cyclonic 05 to 15 in the east, otherwise N to NW 15 to 25
but N to NE in the central-east spreading to the east from mid-
period, when it will become SW 15 to 25 in the west by end of
period.
VIS : Moderate in showers and thundershowers.
SEA STATE: 3.0 to 4.0m in the south-east and in the north, with S to SW
swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : NW to W 15 to 25, but cyclonic 15 to 25 in the central-south,
and SW 10 to 20 in the south-west, becoming N to NW 05 to 15 in
the west by end of period.
VIS : Moderate in showers and thundershowers in places, clearing from
the south-west from id-period.
SEA STATE: 3.0 to 4.0 m in places in the east, with SW swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : Cyclonic 15 to 25 in the central-west reaching 35 to 45, otherwise
NW to W 15 to 25 in the west and NE to E 15 to 25 in the east
where it will reach 35 to 45.
VIS : Moderate to poor in showers and thundershowers.
SEA STATE: 3.5 to 4.5m, reaching 5.0 to 7.0 m in the north-west but reaching
8.0 to 9.0 m in the central parts drifting to the east by end of
period, with S to SW swell, but cyclonic in the central parts.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : N to NE 15 to 25, but SW 20 to 30 in the south-west reaching 35 to
40 in the extreme south-west, drifting to the central-south by
mid-period.
VIS : Good, becoming moderate in showers and thundershowers in places in
the south and central parts spreading eastwards by end of period.
SEA STATE: 3.0 to 4.0 m, reaching 5.0 to 7.0m in the south-west, drifting to
the central-south towards end of period, with SW in the east,
otherwise, S to SW.
MOZAMBIQUE CHANNEL:
WIND : N to NW 10 to 20 in the south-west where it will become S to SE 15
by end of the period, otherwise S to SE 05 to 15.
VIS : Good.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : E to NE 05 to 15 in the south-west, otherwise S to SE 10 to 20
reaching 25 in the north-west.
VIS : Good, but moderate in showers and rain in places in the north.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : Anti-cyclonic 05 to 15, but SW 15 to 25 in the south-east,
And SE to E 25 to 35 in the north-west, where it will reach 40
while spreading to the east from mid-period.
VIS : Good, but moderate in snow-showers and rain int south but moderate
to poor in showers and thundershowers in the north.
SEA STATE: 3.5 to 4.5m, reaching 5.0 m in the south-east as
well as the north-west, where it will reach 7.0 to 8.0
m by mid-period, drifting to the north-east towards 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)
26/07/02 AT 0500UTC
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.
- STRONG GALE EXPECTED OVER KER.
- STORM EXPECTED OVER AMS.
PART 2: GENERAL SYNOPSIS, 26/07/02 AT 0000UTC
- DEEPENING LOW 998 NEAR 40S/66E, STEADILY MOVING EASTWARD AND
EXPECTED 984 NEAR 44S/78E THE 02 AT 12 UTC. ASSOCIATED COLD FRONT
(CF) AXIS 30S/50E, 34S/65E, 40S/67E AND WARM FRONT (WF) 40S/67E,
47S/79E, 48S/91E.
- HIGH 1030 NEAR 48S/23E, SLOWLY MOVING EASTWARD. RIDGE 1025 SOON
OVER WEST OF WAM AND CRO.
PART 3: FORECAST FOR 24 HOURS FROM 26/07/02 AT 0600UTC TO 26/07/03 AT
0600UTC
WAM (30S/40S, 50E/65E)
SCATTERED SHOWERS OVER SOUTHERN.
WIND: SW 5 OR 6 OVER SOUTHERN BUT ANTICLOCKWISE 3 OR 4 OVER NORTHERN
AND REACHING WESTERN. NW 5 OR 6 LOCALLY 7 OVER WESTERN AREA AT END.
SEA : ROUGH OR VERY ROUGH. SW SWELL INCREASING 3 OR 4 M.
VIS : POOR IN PRECIPITATION.
AMS (30S/40S, 65E/80E)
FRONTAL RAIN, SHOWERS AND SQUALLS, AT TIMES THUNDERY.
WIND: CLOCKWISE 5 OR 6, AT TIMES 7, BUT 7 OR 8, AT TIMES 9 OR VERY
LOCALLY 10, IN SOUTH WHILE BECOMING SOUTHWEST FROM WEST, DECREASING 4
OR 5 IN NORTHWEST SOON SEVERE GUSTS.
SEA : ROUGH, BECOMING VERY ROUGH OR HIGH IN SOUTH. SW SWELL INCREASING
4 OR 5 M FROM THE WEST LATER.
VIS : POOR OR VERY POOR IN PRECIPITATION.
CRO (40S/50S, 50E/65E)
FRONTAL RAIN, SHOWERS AND SQUALLS.
WIND: SW 6 OR 7 INCREASING 7 OR 8 WITHE SEVERE GUSTS OVER
SOUTHEASTERN AT END BECOMING ANTICLOCKWISE 3 OR 4 FROM THE WEST
LATER. NE 5 OR 6 OVER FAR NORTHWESTERN AT END.
SEA : ROUGH OR VERY ROUGH, BECOMING VERY ROUGH TO HIGH IN SOUTH. SW
SWELL 4 OR 5 M, ABATING TEMPORARILY SOON THEN AGAIN SW SWELL 4 OR 5 M
LATER FROM THE WEST.
VIS : POOR OR VERY POOR IN PRECIPITATION.
KER (40S/50S, 65E/80E)
FRONTAL RAIN, SHOWERS AND SQUALLS.
WIND: OVER NORTHERN AREA, AHEAD THE FRONT ( WF) NORTHERLY 5 OR 6 AND
BEHIND THE FRONT, SOUTHERLY 7 OR 8 LOCALLY 9 WITH SEVERE GUSTS.
ARRIVAL FROM THE WEST AT FIRST, SOUTHWESTERLY 6 OR 7 INCREASING 7 OR
8 LATER.
SEA : ROUGH OR VERY ROUGH, BECOMING LOCALLY HIGH IN NORTH THEN VERY
ROUGH TO HIGH AT END. SW SWELL 3 TO 5 M ABATING AT END.
VIS : POOR OR VERY POOR IN PRECIPITATION.