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WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII EAST OF 20 EAST.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 19TH OF SEPTEMBER 2024 AT 17:15 UTC.
FOR SOUTH-EAST SECTOR OF METAREA. VII, PREPARED BY REUNION, SEE AREA 2 BELOW.
NOTE: WX OBSERVATIONS.
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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 192200 TO 202200 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:
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1. CAPE EAST: S to SE 35 to 40 in the north during the first half of
the period.
2. DURBAN EAST: SW to S 35 to 40 in the west.
3. MARION FORTIES EAST: W to SW 35 in the south.
SYNOPTIC CHART 12:00Z
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High 1040 hPa 40s04e
Low 1008 hPa 31s38e
Low 1005 hPa 40s54e
1. Cold Front: 36s48e 38s53e into 40s54e
AREA FORECAST:
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CAPE EAST (32.5S/40S, 20E/50E):
WIND : NW 15 to 25 in the north-east at first, otherwise S to SE 15
to 25 reaching 30 to 40 in the north during the first half of
the period but SW 15 to 25 in the south. It will become E to
NE 15 to 25 in the north-west towards end of period.
VIS : Moderate to poor in showers and rain.
SEA STATE: 4.0 to 6.0m, but 3.0 to 3.5m in the south-west, spreading to
the north-west towards mid-period with SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : NE to N 15 to 25 over the eastern half, otherwise SW to S 20
to 30 reaching 35 to 40 in the west, becoming SE 10 to 20 in
the south-west towards mid-period.
VIS : Good, but moderate to poor in showers and rain over the
western half, spreading to the south-east by end of period.
SEA STATE: 3.0m in the south, reaching 4.0 to 6.0m in west,
spreading over the central parts by mid-period, while
moderating from the south-west, with S to SW swell.
MOZAMBIQUE CHANNEL (10S/25S, EAST COAST/WEST COAST):
WIND : SE to E 10 to 20 in the extreme north, otherwise NE to N 10 to
20 but NW 10 to 20 in the south, and S to SE 15 to 25 in the
south-west, where it will reach 30 during the first half of
period.
VIS : Good, but moderate in showers and rain in the south-west.
SEA STATE: 3.0 to 4.0m in the south-west, with S well.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : N
