Bulletinset for METAREA 7
Edition date (UTC): 2025-12-25 20:45:14
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HIGH SEAS FORECAST
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FQZA31 FAPR 251600



WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.

ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE

25th OF DECEMBER 2025 AT 16:00 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:

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FORECAST VALID FROM 252200 TO 262200 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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Nil.



SYNOPTIC CHART 12:00Z

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High 1020 hPa 35s09e High 1020 hPa 39s33e.



AREA FORECAST:

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ASCENSION (06S/15S, 00E/20W):

WIND     : E to SE 05 to 15.

VIS      : Good.



ANGOLA (06S/15S, 00E/00N):

WIND     : S to SE 05 to 15 but SW 10 to 15 in the east.

VIS      : Good.



ST HELENA (15S/30S, 00E/20W):

WIND     : SE to E 05 to 10 in the north, otherwise variable 05 but NW 10 to

           15 in the south-west.

VIS      : Good.



TRADES (15S/30S, 00E/WEST COAST):

WIND     : S to SE 10 to 15 reaching 20 to 25 in the south-east.

VIS      : Good.



TRISTAN (30S/40S, 00E/20W):

WIND     : Variable 05 in the north-east, otherwise NW to W 10 to 20

           reaching 25 in the south-west.

VIS      : Good in the north-east, otherwise moderate in showers and rain.

SEA STATE: 3.0m in the west and south-west towards the end of the period,

           with W to NW swell.



CAPE WEST (30S/40S, 00E/20E):

WIND     : S to SE 10 to 20 in the east reaching 25 to 30 in the north-

           east, otherwise anticyclonic 05 to 10 but NW to W 10 to 20 in the

           south-west.

VIS      : Good.

SEA STATE: 3.0 in the north-east, with S to SE swell.



CAPE EAST (32.5S/40S, 20E/50E):

WIND     : SE to E 10 to 20 but anticyclonic 05 in the south-west.

VIS      : Good but moderate in showers and thundershowers in the extreme

           north-east.



DURBAN EAST (32.5S/25S, EAST COAST/55E):

WIND     : N to NE 15 to 25 in the east, otherwise S to SE 10 to 20.

VIS      : Good but moderate to poor in showers and thundershowers over the

           central and eastern parts.



MOZAMBIQUE CHANNEL:

WIND     : N to NW 10 to 20 in the north, otherwise SE 10 to 20.

VIS      : Moderate to poor in showers and thundershowers.



MADAGASCAR EAST (10S/25S, EAST COAST/55E):

WIND     : NE 10 to 20.

VIS      : Moderate in showers and thundershowers.



MARION FORTIES EAST (40S/50S, 35E/50E):

WIND     : Variable 05 in the north-east, otherwise NW to W 15 to 25,

           becoming W to SW 15 to 25 in the west from mid-period.

VIS      : Good in the north, otherwise moderate in showers and rain.

SEA STATE: 3.0 to 3.5m in the south, with NW to W swell.



AREA 2:

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MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA

ACK (AMSTERDAM-CROZET-KERGUELEN)



25/12/25 AT 1500UTC



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, 25/12/25 AT 1200UTC



Waving front from South-Western WAM to Southern KER passing by South-Eastern CRO and moving Eastward.

High 1029hPa over AMS, moving Eastward.





PART 3: FORECAST FOR 24 HOURS FROM 25/12/25 at 1800UTC to 25/12/26 at 1800UTC



WAM (30S/40S, 50E/65E)

Rain and frontal showers over South-Western. Squalls over Western area

at end.

WIND: Northerly 4 or 5, at times 6.

SEA:  Moderate.

VIS:  Poor to very in precipitation.





AMS (30S/40S, 65E/80E)

Scattered showers.

WIND: Anticlockwise 3 to 5.

SEA:  Moderate. SW swell 2 meters.

VIS:  Good.



CRO (40S/50S, 50E/65E)

Rain and frontal showers moving Eastward.

WIND: SE 3 or 4 behind the front veering NW 4 to 5 over Southern

      area at end.

SEA:  Moderate to rough. NW 2 to 3 meters

VIS:  Poor in precipitation.



KER (40S/50S, 65E/80E)

Rain and frontal showers over Southern.

WIND: Westerly 5 or 6, at times 7, decreasing locally Variable 2

      to 4 over South. Gusts.

SEA:  Moderate to rough from North to South. SW swell 2 to 3 meters.

VISI: Poor in precipitation.