IOR
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII, EAST OF 20E ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 28th OF JULY 2024 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:
=======
FORECAST VALID FROM 281000 TO 291000 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 in the central and western parts, spreading
eastwards, and reaching 40 to 45 in the south-west towards
the end of the period.
2. DURBAN EAST: SW to S 35 to 40 in the extreme south-west, until mid-
period.
SYNOPTIC CHART 06:00Z
=====================
High 1024 hPa 44s58e.
Low 980 hPa 51s23e.
Cold Front: 30s22e 35s30e 40s34e 45s35e 50s35e 55s28e into 51s23e.
AREA FORECAST:
==============
CAPE EAST (32.5S/40S, 20E/50E):
WIND : Variable 05 in the north-east at first, otherwise N to NW 15
to 25 but W to SW 20 to 30 in the central and western parts
reaching 35 in places, spreading eastwards, and reaching 40 to
45 in the south-west towards the end of the period.
VIS : Moderate to poor in showers and rain in the central and
western parts, spreading to the east by the second half of the
period.
SEA STATE: 4.0 to 5.0m in the central and western parts, reaching 6.0 to
7.0m in places in the west during the first half of the period
period, SW swell. It will spread towards the east by the
second half of the period.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : Variable 05 in the east during the first half of the period,
otherwise N to NW 10 to 20, but SW to S 15 to 25 in the west,
reaching 30 to 40 in the extreme south-west, until mid-period.
VIS : Good, but moderate in showers and rain in places, with
thundershowers in the central parts.
SEA STATE: 3.5 to 4.5m in the extreme south-west spreading to the north-
west and central parts towards mid-period whilst reaching 5.5
to 6.5m in the south-west, SW swell.
MOZAMBIQUE CHANNEL:
WIND : S to SE 05 to 15 in the extreme north, otherwise variable 05
but N to NE 10 to 20 in the south-west. It will become S to SE
15 to 25 in the extreme south-west towards the end of the
period.
VIS : Good, but moderate in showers in the extreme north-east at
times, as well as in the extreme south-west towards the end of
the period.
SEA STATE: 3.0m in the extreme south-west towards the end of the period.
MADAGASCAR EAST:
WIND : SE 10 to 20 in the north, otherwise E to NE 10 to 15.
VIS : Good, but moderate in showers and thundershowers in places.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : NE to N 15 to 25, reaching 30 in places in the central and
western parts at times. It will become W to SW 15 to 25 in the
extreme west, spreading to the central parts by mid-period.
VIS : Good, but moderate in showers and rain in places
thundershowers at times in the west and central parts.
SEA STATE: 3.0 to 4.0m in the central and western parts, spreading
eastwards towards mid-period whilst reaching 5.0m in places, W
to SW swell.
AREA 2:
=======
MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK
(AMSTERDAM-CROZET-KERGUELEN)
DATE: 24/07/28 at 0500UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (Wind gusts may be about 40% stronger than the averages given here.).
PART 1: WARNING:
– Locally gale force 8 over Eastern KER.
PART 2: GENERAL SYNOPSYS, 24/07/28 at 0000 UTC:
– Filling low 1014 hPa near 33S/61E moving slowly Eastward.
– High 1026 hPa near 46S/58E with a ridge extending toward north-eastern
area.
PART 3: FORECAST FOR 24 HOURS from 28/07/24 at 0600 UTC to 29/07/24 at
0600UTC:
WAM (30S/40S, 50E/65E):
Showers.
WIND: Variable 2 to 4 increasing locally E 5 over eastern. Later, N 4 to
5 over western.
SEA : Moderate to rough. slight SW swell over western at end.
VIS : Good.
AMS (30S/40S, 65E/80E):
Showers and squalls over northern.
WIND: Variable 2 to 4, increasing SW 5 or 6 over South-Eastern area and
locally E 5 over western.
SEA : Very rough over far south-east, moderate to rough elsewhere. Long
S swell, 2 to 4 m, locally 5 m over South-eastern.
VIS : Poor in precipitation.
CRO (40S/50S, 50E/65E):
Scattered showers.
WIND: Anticlockwise 2 to 4 , increasing SW 5 to 6 over south-eastern area
and increasing N 5 to 6 over far western area at end.
SEA : Moderate to rough. S swell over eastern, 2 to 3 m and W swell over
western 2 to 3 m.
VIS : good.
KER (40S/50S, 65E/80E):
Snowy showers.
WIND: SW 5 to 7, locally 8 with severe gusts.
SEA : Rough to high from Western to Eastern. Long S swell, 3 to 5 m.
VIS : Poor in precipitation.
ENDS THIS IS CAPE TOWN RADIO
NNNN
