IOR
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII EAST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 22ND OF JANUARY 2025 AT 18:00 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 222200 TO 232200 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: E to NE 35 in the north-west.
2. DURBAN EAST: NE 35 in the extreme south-west.
SYNOPTIC CHART 12:00Z
=====================
High 1021 hPa 27s02w, High 1032 hPa 41s40e Low 1004 hPa 38s05w, Low 1006 hPa 19s38e, Low 1002 hPa 46s80e
1. Cold Front: 28s16w 33s05w into 38s05w
2. Cold Front: 34s68e 40s75e into 46s80e
AREA FORECAST:
==============
CAPE EAST (32.5S/40S, 20E/50E):
WIND : SE 05 to 15 in the south-east at first, otherwise E to NE 15 to 25 reaching 30 to 35 in the west and north-west. It will become W to SW 10 to 15 in the south-west during the second half of the period.
VIS : Moderate in showers and rain in places, except in the north- west where it will be very poor in fog until mid-period.
SEA STATE: 3.0 to 3.5m in the extreme north and north-east with E swell but with NE swell in the west and north-west.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : SE to E 15 to 25, reaching 30 in the south, but NE 15 to 25 in the south-west, reaching 30 to 35 in the extreme south-west.
VIS : Moderate to poor in showers and rain.
SEA STATE: 3.0 to 3.5m, with SE swell.
MOZAMBIQUE CHANNEL:
WIND : Cyclonic 10 to 20 in the west, otherwise N to NW 05 to 15, but SE to E 15 to 25 in the south.
VIS : Moderate to poor in showers and thundershowers.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : SE to E 05 to 15 in the north, otherwise NE 05 to 15 reaching
20 in the south-west.
VIS : Moderate in showers and thundershowers.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : N to NE 10 to 20 in the north-west, but anticyclonic 05 to 10 in the north and north-east otherwise W to NW 15 to 25, reaching 30 in the south-west by end of the period.
VIS : Good, becoming moderate to poor in showers and rain by end of the period.
SEA STATE: 3.0 to 3.5m in the southern half, reaching 4.0 to 4.5m in the south-east in the first half of the period, with W to SW swell.
AREA 2:
=======
MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)
25/01/22 AT 1600UTC
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, 25/01/22 AT 1200UTC
– 2 highs : 1024 hPa near 38S/95E and 1032 hPa near 41S/37E, steadily moving eastward.
– Between these two cells, cold front axis 32S/50E, 34S/65E, 39S/72E, 45S/80E slow-moving.
PART 3: FORECAST FOR 24 HOURS FROM 25/01/22 at 1800UTC to 25/01/23 at 1800UTC
WAM (30S/40S, 50E/65E)
Frontal showers and rain.
WIND: Over northern half South-Easterly 5/6 locally 7 over far northern.
Gusts. Over southern half, S to SE 3/4.
SEA: Moderate to rough.
VISI: Poor in precipitations.
AMS (30S/40S, 65E/80E)
Frontal showers and rain.
WIND: Variable 3/4 over north-eastern, setting-up NE 4/5 ahead the
vicinity of the front, backing SE 5/6 behind with gusts.
Decreasing S to SE 3/4 over far southern later.
SEA: Moderate to rough.
VISI :Poor in precipitations.
CRO (40S/50S, 50E/65E)
Scattered showers over far southern, rare elsewhere.
WIND: Westerly 4 to 7 from north to south. Gusts. Decreasing South-
easterly 4/5 over western at end.
SEA: Rough over northern, but rough to very rough with wind.
VISI: Poor in precipitations.
KER (40S/50S, 65E/80E)
Frontal showers and rain over north-eastern at first. Showers over far southern, more rare elsewhere.
WIND: SW 5/6 locally 7 over southern, veering W. Gusts. Decreasing soon W
to SW 3/4 over far northern.
SEA: Rough over northern, but rough to very rough with wind.
VISI: Poor in precipitations.
ENDS THIS IS CAPE TOWN RADIO
NNNN
