IOR
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.EAST OF 20.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 18th 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 181000 TO 191000 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. TRISTAN: SW 35 in the south-east first half of the period 2. CAPE WEST: W to NW 35 to 45 in places in the south
becoming SW 35 to 40 in the south-west mid-period of the first
half of the period spreading north and east and moderating in
the west.
3. CAPE EAST: NW to W 35 in the south-west at first. It will become NW to
W 35 to 40 in the south-west second half of the period.
4. MARION FORTIES EAST :N to NE 35 in the south-west first half of the
period.
SYNOPTIC CHART 06:00Z
======================
Low 984 hPa 45s01w
Low 972 hPa 57s22e
Low 1012 hPa 34s29e
Cold Front: 37s18w 40s00w into 45s01w
Cold Front: 29s11e 35s18e 40s22e 45s24e 50s23e into 51s19e.
AREA FORECAST:
==============
CAPE EAST (32.5S/40S, 20E/50E):
WIND : SW 15 to 25 in the east, otherwise but N to NE 10 to 20 but NW
to W 15 to 25 in the west reaching 30 to 35 in the south-west
at first becoming SW 15 to 25 towards the end of the first
half of the period in the west. It will become NW to W 20 to
30 in the extreme west, reaching 35 to 40 in the south-west
second half of the period.
VIS : Moderate in showers and rain in places in the west spreading
east, otherwise good.
SEA STATE: 3.0 to 4.0m, in the extreme west spreading east and reaching
4.5 to5.5m in the extreme south-west where it will reach 6.0
to 8.0 towards end of the period SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : NE to NW 15 to 25 in the west, otherwise anti-cyclonic 10 but
SW 10 to 20 in the south-east. It will become SW 15 to 25 in
the south-west, towards the end of the first half of the
period.
VIS : Moderate in showers and rain in the south-east at first and
the south-west second half of the period.
SEA S
