IOR
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII, EAST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 16th OF JUNE 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 161000 TO 171000 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. MARION FORTIES EAST: S to SW 35 to 40 in the south-west spreading
towards the south-east by mid-period while it becomes W to NW 35 in
the south-westover the central parts, otherwise moderate in showers and
rain.
SEA STATE: 3.0 to 3.5m in the south-east, W to SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : S to SW 15 to 25 in the extreme east, but SE 10 to 20,
becoming N to NE 15 to 25 in the extreme south-west by mid-
period reaching 30 by the end of the period.
VIS : Moderate in showers and rain in places.
SEA STATE: 3.0 to 4.0m in the south-east, SW swell.
MOZAMBIQUE CHANNEL:
WIND : S to SE 15 to 25.
VIS : Good over the central parts, otherwise moderate in showers.
MADAGASCAR EAST:
WIND : S to SW 10 to 20, but SE 15 to 25 in the north.
VIS : Good, but moderate in showers and thundershowers in the north.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : S to SW 20 to 30 reaching 35 to 40 in the south-west spreading
towards the south-east by mid-period while it becomes W to NW
25 to 35 in the south-west spreading towards the central parts
by the end of the period.
VIS : Good, but moderate in showers and rain in the south.
SEA STATE: 3.0 to 4.0m, reaching 5.0 to 6.0m in the south-west spreading
towards the south-east by mid-period, W to SW swell.
AREA 2:
=======
MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK
(AMSTERDAM-CROZET-KERGUELEN)
DATE: 24/06/16 AT 0500UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40% STRONGER THAN THE AVERAGES GIVEN HERE.).
PART 1: WARNING:
– GALE FORCE 8 EXPECTED OVER SOUTHERN CRO AND SOUTH-EASTERN KER AT FIRST.
PART 2: GENERAL SYNOPSYS, 24/06/16 AT 0000 UTC:
– LOW 1004 NEAR 30S/52E, SLOWLY MOVING SOUTH-EASTWARD, WITH ASSOCIATED COLD FRONT (CF) AND WARM FRONT (WF) OVER NORTHERN WAM.
– HIGH 1027 NEAR 33S/70E, SLOWLY MOVING EASTWARD.
– LOW 996 NEAR 50S/47E, RATHER QUICKLY MOVING EASTWARD, WITH COLD FRONT (CG) AND WARM FRONT (WG) OVER SOUTH-WESTERN CRO AT FIRST.
PART 3: FORECAST FOR 24 HOURS FROM 16/06/24 AT 0600 UTC TO 17/06/24 AT 0600UTC:
WAM (30S/40S, 50E/65E):
RAIN, SHOWERS AND THUNDERY SQUALLS.
WIND: CLOCKWISE 6 OR 7 WITH SEVERE GUSTS OVER NORTHERN, N OR NW 4 TO 6 OVER SOUTHERN, SETTING-UP LATER S 5 TO 6 BY SOUTH-WESTERN.
SEA: MODERATE TO ROUGH, BUT LOCALLY VERY ROUGH IN THE VICINITY OF THE CENTER OF THE DEPRESSION. NE SWELL 2 TO 4 M AHEAD LOW; ARRIVAL AT END OF A SW SWELL OVER SOUTH-WESTERN, 2 TO 4 M.
VISI: POOR OR VERY POOR IN PRECIPITATIONS.
AMS (30S/40S, 65E/80E):
FRONTAL RAIN AND SHOWERS OVER WESTERN LATER.
WIND: ANTICLOCKWISE 2 TO 4, INCREASING GRADUALLY BY WESTERN AND SETTING-UP AT END N 4 TO 6 FROM EAST TO WEST, LOCALLY 7 WITH SEVERE GUSTS OVER WESTERN.
SEA: MODERATE TO ROUGH.
VISI: POOR OR VERY POOR IN PRECIPITATIONS.
CRO (40S/50S, 50E/65E):
FRONTAL RAIN AND SHOWERS WITH CG AND WG. SHOWERS (LOCALLY SNOWY OVER
SOUTHERN) BEHIND CG.
WIND: N 6 OR 7 WITH SEVERE GUSTS, BACKING SOON W OR SW 6 OR 7 WITH SEVERE GUSTS BEHIND CG, INCREASING LATER W 8 OVER SOUTHERN.
SEA: ROUGH OR VERY ROUGH. ARRIVAL LATER BY WESTERN OF A W SWELL, 3 TO 5 M OVER WESTERN AT END.
VISI: POOR OR VERY POOR IN PRECIPITATIONS.
KER (40S/50S, 65E/80E):
FEW SHOWERS, THEN ARRIVAL LATER OF FRONTAL RAIN AND SHOWERS WITH WG THEN CG OVER WESTERN.
WIND: AT FIRST, ANTICLOCKWISE 2 TO 4 BUT SW 6 TO 8 WIT SEVERE GUSTS OVER FAR SOUTH-EASTERN. THEN SETTING-UP GRADUALLY NW 6 OR 7 BY WESTERN AND AT END W 6 OR 7 WITH SEVERE GUSTS OVER SOUTH-WESTERN.
SEA: MODERATE TO ROUGH, BUT VERY ROUGH OR HIGH IN SOUTH-EAST BY LONG SW SWELL 3 TO 5 M.
VISI: POOR OR VERY POOR IN PRECIPITATIONS.
ENDS THIS IS CAPE TOWN RADIO
NNNN