WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
28TH OF FEBRUARY 2026 AT 08:30 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 281000 TO 011000 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 WEST : SW to S 35 in the south-east moderating in the south-west from
mid-period.
2. CAPE EAST : W to SW 35 in the west in the first half of the period.
SYNOPTIC CHART 06:00Z
=====================
High 1025 hPa 39s12w, High 1018 hPa 42s55e, High 1018 hPa 31s62e
Low 968 hPa 61s46e.
1. Cold front: 37s21e 40s25e 43s30e 46s35e 48s40e 50s45e 52s55e 56s60e 60s55e
into 61s46e.
AREA FORECAST:
==============
ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 05 to 15.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 05 to 15, but SW 05 to 15 in the extreme east.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : E to NE 10 to 20 in the south-west, otherwise, E to SE 10 to 20.
VIS : Good, but moderate in showers and thundershowers in the south-west
until mid-period.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 15 to 25.
VIS : Good.
SEA STATE: 3.0 to 4.0m in the south from mid-period, with S to SW swell.
TRISTAN (30S/40S, 00E/20W):
WIND : S to SW 10 to 20 in the east, otherwise anticyclonic 05 to 15, but N
to NW 10 to 20 in the west.
VIS : Good, but moderate in showers and rain in the west from mid-period.
SEA STATE: 3.5 to 4.5m in the south-east, with S to SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : SW to S 15 to 25 reaching 30 to 35 in the south moderating in the
south-west from mid-period, becoming SE 10 to 20 in the north-west
towards the end of the period.
VIS : Good, but moderate in showers and rain in the south-east.
SEA STATE: 3.5 to 4.5m, except in the north until mid-period, but 5.5 to 6.5m in
the extreme south spreading over the southern half by mid-period
while reaching 7.0 to 7.5m in the extreme south-east, with SW to S
swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : Variable 05 to 10 in the east at first, otherwise NW to N 15 to 25,
reaching 30 the central-south towards mid-period, but W to SW 20 to
30 in the west reaching 35 in the first half of the period.
VIS : Good but moderate to poor in showers and thundershowers in the west
and central parts.
SEA STATE: 3.0 to 4.0m, except in the east, but 4.5 to 5.5m in the west reaching
6.0 to 6.5m from mid-period, with W to SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : NE to E 10 to 20, reaching 25 to 30 in the south-west becoming SW 10
to 20 in the extreme south-west towards mid-period.
VIS : Good, but moderate in showers and rain in the north-east at first.
SEA STATE: 3.0 to 3.5m in the south-west from mid-period, with NE swell.
MOZAMBIQUE CHANNEL:
WIND : Variable 05 to 10 at first, otherwise E to NE 05 to 15.
VIS : Good, but moderate in showers and thundershowers over the northern
and central parts at times.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : E to NE 05 to 15 in the south, otherwise SE 05 to 15.
VIS : Good, becoming moderate in showers and thundershowers in the north.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : NW 15 to 25, reaching 30 in a band from the north-west to south-east.
VIS : Good in the north-east, otherwise moderate to poor in showers and
rain.
SEA STATE: 3.0 to 4.0m, except in the north-east, with W to NW swell.
AREA 2:
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MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)
26/02/28 AT 0500UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40% STRONGER THAN THE AVERAGES GIVEN HERE).
PART 1: WARNING
- NIL.
PART 2: GENERAL SYNOPSIS, 26/02/28 AT 0000UTC
- FILLING POST-TROPICAL LOW (HORACIO) 1005 HPA NEAR 36S/69E MOVING SOUTH-EASTWARD.
- HIGH 1025 HPA NEAR 37S/83E, MOVING NORTH-EASTWARD.
- WAVING FRONT IN FRONTOLYSIS BETWEEN WESTERN WAM TO SOUTHERN KER PASSING BY NORTH-EASTERN CRO.
PART 3: FORECAST FOR 24 HOURS FROM 26/02/28 AT 0600UTC TO 26/03/01 AT 0600UTC
WAM (30S/40S, 50E/65E)
RAIN, SQUALLS AND FRONTAL SHOWERS, LOCALLY THUNDERSTORM.
WIND : ANTICLOCKWISE 2 TO 4 OVER EASTERN AREA, INCREASING NW 4 TO 5 AHEAD THE
FRONT THEN BACKING SOUTH-EASTERLY 4/5 BEHIND.
SEA : MODERATE. SW SWELL 2 M.
VIS : POOR IN PRECIPITATIONS.
AMS (30S/40S, 65E/80E)
RAIN, SQUALLS AND LOCALLY STORMY SHOWERS NEAR THE POST-TROPICAL LOW HORACIO.
WIND : CLOCKWISE 5/6 LOCALLY 7 NEAR THE LOW AND NORTHERLY 4/5 LOCALLY
6 OVER EASTERN AREA. BECOMING ANTICLOCKWISE 2 TO 4 BY WESTERN AREA LATER.
SEA : MODERATE TO ROUGH. CLOCKWISE SWELL 2 TO 3 M.
VIS : POOR OR VERY POOR IN PRECIPITATIONS.
CRO (40S/50S, 50E/65E)
RAIN, SQUALLS AND FRONTAL SHOWERS OVER NORTH-EASTERN.
WIND : SW 4/5 BEHIND THE FRONT BECOMING ANTICLOCKWISE 3 TO 4 OVER NORTHERN AREA
BUT NW 4 TO 6 OVER SOUTHERN AREA.
SEA : MODERATE TO ROUGH LOCALLY VERY ROUGH OVER SOUTHERN AREA DUE TO SW SWELL 2
TO 3 M.
VIS : POOR TO VERY POOR IN PRECIPITATIONS.
KER (40S/50S, 65E/80E)
RAIN AND SQUALLS OVER NORTHERN AREA LINKED TO POST-TROPICAL LOW HORACIO AND FRONTAL SHOWERS.
WIND : NW 5 TO 7 AHEAD OF THE FRONT, BACKING S 4 TO 5 BEHIND BY SOUTH-WESTERN
AREA.
SEA : MODERATE TO ROUGH LOCALLY VERY ROUGH OVER SOUTHERN AREA. W SWELL
2 TO 3 M.
VIS : POOR IN PRECIPITATIONS.=