WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
06TH OF MAY 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.
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. CAPE EAST: W to SW 35 to 40 in the north-west, spreading to the central
north during the second half of the period, with S to SE 35 to
40 in the western parts, reaching 45 to 50 over the central-
south, but over the central west until mid-period, otherwise,
E to NE 35, reaching 40 to 50 in the central parts until mid-
period.
2. DURBAN EAST: N to NE 35 in the central parts but W to SW 35 to 40 in the
extreme south-west during the second half of the period.
3. MARION FORTIES EAST : W to SW 35 in the south-east from mid-period, and
E to SE 35 to 40 in the north-west but 45 to in the
extreme north-west.
SYNOPTIC CHART 12:00Z
=====================
High 1025 hPa 39s00e and High 1032 hPa 44s19e
Low 1000 hPa 34s29e, Low 962 hPa 57s20w, Low 978 hPa 66s23e
1. Cold Front: 39s32w 42s20w 49s13w 54s14w into 57s20w
2. Cold Front: 45s16e 51s29e 58s35e 62s38e into 66s23e
AREA FORECAST:
==============
ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 15 to 20.
VIS : Good.
SEA STATE: 3.0 to 3.5m in the south-west, spreading over the west and
central, with SE swell.
ANGOLA (06S/15S, 00E/00N):
WIND : SW 05 to 10 in the east, otherwise S to SE 10 to 20 reaching 25
at first.
VIS : Good.
SEA STATE: 3.0 to 3.5m in the south and central parts, with S to SE swell.
ST HELENA (15S/30S, 00E/20W):
WIND : N to NE 05 to 10 in the south becoming variable 05 to 10 towards
the end of the period, otherwise E to SE 10 to 20.
VIS : Good, but moderate showers and rain in the extreme south-west.
SEA STATE: 3.0 to 4.0m, with S to SE swell in the north-east, otherwise S to
SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 10 to 20 reaching 25 to 30 in the south-east.
VIS : Good.
SEA STATE: 3.0 to 4.0m, with S to SE swell.
TRISTAN (30S/40S, 00E/20W):
WIND : E to NE 10 to 20 in the north-east, otherwise NW 10 to 20
reaching 25 to 30 in the south-west until the evening but W to SW
10 to 15 in the south-west, spreading to the west from mid-
period.
VIS : Good, but moderate in showers and thundershowers in the south-
west, spreading across the central to the south-east during the
second half of the period.
SEA STATE: 4.5 to 5.0m in the south-west at first, but 3.0 to 4.0m in the
west and central parts, with SW swell.
CAPE WEST (30S/40S, 00E/20E):
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, but moderate in showers and rain in the east and south-
east clearing towards the end of the period.
SEA STATE: 4.5 to 5.5m in the east and south-east with SE swell, otherwise
3.0 to 4.0m, with SW swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : W to SW 30 to 40 in the north-west, spreading to the central
north during the second half of the period, with S to SE 30 to 40
in the western parts, reaching 45 to 50 over the central-south,
but over the central west until mid-period, otherwise, E to NE 25
to 35, reaching 40 to 50 in the central parts until mid-period.
VIS : Good in the east, otherwise moderate to poor in showers and
thundershowers.
SEA STATE: 4.0 to 5.0m in the east with S to SW swell, otherwise, 5.0 to
7.0m, reaching 8.0 to 9.0 over the central west, with SE to E
swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : N to NE 15 to 25, reaching 30 to 35 in the central parts during
the first half of the period. It will become W to SW 20 to 30 in
the south-west, reaching 35 to 40 in the extreme south-west
during the second half of the period.
VIS : Good, but poor in showers and thundershowers in the west and
and south-west.
SEA STATE: 3.0 to 4.0m in the southern-half, reaching 5.0m in the south-west
towards the end of the period, with SE to E swell becoming W to
NW in the south-west from the evening.
MOZAMBIQUE CHANNEL:
WIND : E to SE 05 to 10, but N to NE 10 to 20 in the west reaching 25 in
the south-west until mid-period. It will become NW 10 to 15 in
the extreme south-west towards mid-period.
VIS : Good.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : SE to E 10 to 20 but N to NE 05 to 15 in the south-west.
VIS : Good.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : W to SW 15 to 25 in the south and east, reaching 30 to 35 in the
south-east from mid-period, otherwise E to SE 15 to 25, reaching
30 to 40 in the north-west but 45 to in the extreme north-west
from afternoon.
VIS : Good, but moderate to poor moderate in showers and rain in the
north from mid-morning.
SEA STATE: 4.0 to 5.0m in the central and east reaching 5.5 to 6.5m in the
east and north-east at first with SW swell in the east, otherwise
S to SE swell. It will become 3.0 to 3.5m in the central from
mid-period.
AREA 2:
=======
MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)
26/05/06 AT 0600UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40% STRONGER THAN THE AVERAGES GIVEN HERE).
PART 1: WARNING
- STRONG GALE OVER CRO AND KER.
- GALE OVER WAM AND AMS.
PART 2: GENERAL SYNOPSIS, 26/05/06 AT 0000UTC
- LOW 1007 NEAR 33S/82E SLOW-MOVING.
- LOW 954 NEAR 57S/72E. ASSOCIATED COLD FRONT AXIS 34S/43E, 43S/65E, 46S/71E, 50S/78E, MOVING EASTWARD.
PART 3: FORECAST FOR 24 HOURS FROM 26/05/06 AT 0600UTC TO 26/05/07 AT 0600UTC
WAM (30S/40S, 50E/65E)
FRONTAL RAIN AND SHOWERS. SHOWERS OVER SOUTHERN BEHIND.
WIND: NW 6/7 AHEAD OF THE FRONT AT TIMES 8, BACKING SW 6/7 BEHIND THEN
INCREASING SOON 7/8. SEVERE GUSTS. BECOMING ANTICLOCKWISE 3/4 OVER
WESTERN AT END AT TIMES 5.
SEA : MODERATE TO VERY ROUGH FROM NORTH TO SOUTH, BECOMING GRADUALLY ROUGH
TO HIGH. SW SWELL SOON FROM SOUTH INCREASING 4 TO 6M.
VIS : POOR OR VERY POOR IN PRECIPITATION.
AMS (30S/40S, 65E/80E)
FRONTAL RAIN AND SHOWERS. SHOWERS BEHIND.
WIND: INCREASING NW 6/7 AT TIMES 8 AHEAD OF THE FRONT, BUT S 4/5 OVER FAR
NORTH-EASTERN AT FIRST AT TIMES 6. BACKING SW 7/8 BEHIND. SEVERE
GUSTS.
SEA : ROUGH TO VERY ROUGH, BECOMING HIGH OVER SOUTH-WESTERN LATER. SW SWELL
AT END OVER SOUTH-WESTERN, INCREASING 4 TO 6M.
VIS: POOR OR VERY POOR IN PRECIPITATION.
CRO (40S/50S, 50E/65E)
FRONTAL RAIN AND SHOWERS AT FIRST OVER NORTH-EASTERN. SHOWERS ELSEWHERE.
WIND: INCREASING SW 7/8 AT TIMES 9 WITH SEVERE GUSTS, DECREASING AT END SW
4/5 OVER NORTH-WESTERN BUT W 6/7 OVER SOUTH-WESTERN.
SEA : VERY ROUGH TO HIGH. SW WELL INCREASING 5 TO 7M.
VIS : POOR OR VERY POOR IN PRECIPITATION.
KER (40S/50S, 65E/80E)
FRONTAL RAIN AND SHOWERS. SHOWERS BEHIND.
WIND: NW 7/8 AHEAD OF THE FRONT AT TIMES 9, DECREASING W TO SW 5/6 BEHIND AT
TIMES 7. SEVERE GUSTS.
SEA : VERY ROUGH AND CROSSED IN THE VICINITY OF THE FRONT, LOCALLY HIGH. SW
SWELL LATER OVER WESTERN, INCREASING 4 TO 6M.
VIS : POOR TO VERY POOR IN PRECIPITATION.