Bulletinset for METAREA 7 Edition date (UTC): 2025-12-11 17:16:24 ============================ HIGH SEAS FORECAST ============================ FQZA31 FAPR 111700 WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 11TH OF DECEMBER 2025 AT 13:30 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 112200 TO 122200 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: N to NW 35 in the south-west by the end of the period. 2. CAPE WEST: S to SW 35 to 40 in the south at first, spreading to the south-east from tomorrow morning. 3. CAPE EAST: N to NE 35 to 40 in the north-west at first, spreading to the south by the end of the period, but W to NW 35 to 40 in the extreme south-west from the morning until the afternoon. 4. DURBAN EAST: N to NE 35 to 40 in the west and south-west until in the afternoon. 5. MARION FORTIES EAST: N to NW 35 in places in the south-west during the afternoon. SYNOPTIC CHART 12:00Z ===================== High 1020 hPa 35s18w, High 1020 hPa 34s40e Low 988 hPa 54s25e 1. Cold Front : 33s05e 40s14e 45s18e 50s23e into 54s25e AREA FORECAST: ============== ASCENSION (06S/15S, 00E/20W): WIND : SE to E 05 to 15. VIS : Good. ANGOLA (06S/15S, 00E/00N): WIND : S to SE 05 to 15, but SW 05 to 10 in the east. VIS : Good. ST HELENA (15S/30S, 00E/20W): WIND : E to SE 05 to 15, reaching 20 in the south at times. VIS : Good, but moderate in showers and rain in places in the southern parts. SEA STATE: 3.0m in the south and south-east, with SW swell. TRADES (15S/30S, 00E/WEST COAST): WIND : S to SE 05 to 15, reaching 20 in the south by the end of the period. VIS : Good, but moderate in showers and thundershowers in places in the eastern parts at first. SEA STATE: 3.0m in the south-west, spreading to the south from mid-period, with SW swell. TRISTAN (30S/40S, 00E/20W): WIND : S to SW 20 to 30 in the east and south-east at first, but anti- cyclonic 05 to 15 in the north, otherwise N to NW 15 to 25, reaching 30 to 35 in the south-west by the end of the period. VIS : Good, but moderate in showers and rain in the south-east at first as well as by the end of the period. SEA STATE: 3.0 to 4.0m reaching 4.5 to 5.5m in the south-east at first, with SW swell. CAPE WEST (30S/40S, 00E/20E): WIND : S to SW 15 to 25, reaching 30 to 40 in the south at first, spreading to the south-east from tomorrow morning. VIS : Moderate in showers and rain in places, but good in the west and north. SEA STATE: 3.0 to 4.0m, reaching 5.0 to 6.0m in the west and south, spreading to the east from mid-period, with SW swell. CAPE EAST (32.5S/40S, 20E/50E): WIND : N to NE 15 to 25 in the central and northern parts, reaching 30 to 40 in the north-west at first, spreading to the south by the end of the period, otherwise W to NW 20 to 30, reaching 35 to 40 in the extreme south-west from the morning until the afternoon. VIS : Good, but moderate in showers and rain in places in the west, becoming poor in showers and thundershowers in the central, south and north-west from tomorrow afternoon. SEA STATE: 3.0 to 4.0m reaching 5.0 to 6.0m in the east at first, as well as in the west from mid-period, with W to SW swell. DURBAN EAST (32.5S/25S, EAST COAST/55E): WIND : N to NE 15 to 25 in the western half reaching 30 to 40 in the west and south-west until in the afternoon, otherwise E to SE 15 to 25, reaching 30 in places in the east and northern parts. VIS : Good but moderate in showers and thundershowers in the north-east at first, as well as south-western parts by the end of the period. SEA STATE: 3.0 to 4.0m, reaching 4.5m in the south-east at first, as well as south-west until in the afternoon, with S to SW swell, but NE in the west. MOZAMBIQUE CHANNEL: WIND : Variable 05 to 10 in the north, but NE 05 to 15 in the south- west, otherwise S to SE 10 to 20 reaching 25 to 30 in the south- east. VIS : Good but moderate in showers and thundershowers in north. SEA STATE: 3.0 to 4.0m in the south, with S to SE swell. MADAGASCAR EAST (10S/25S, EAST COAST/55E): WIND : S to SE 05 to 15, reaching 25 to 30 in the south-west at times, spreading to the south-east from tomorrow morning. VIS : Moderate in showers and thundershowers in places. SEA STATE: 3.0 to 4.0m in the south, with S to SE swell. MARION FORTIES EAST (40S/50S, 35E/50E): WIND : N to NW 20 to 30 reaching 35 in places in the south-west during the afternoon, but W to SW 15 to 20 in the eastern half at first. VIS : Good, but moderate in showers and rain in the southern parts until mid-period. It will become moderate to poor in showers and thundershowers in the western half from mid-period spreading to the central parts by the end of the period. SEA STATE: 3.0 to 4.0m, but 4.5 to 5.5m in the eastern half at first, with SW swell, becoming NW swell in the western half from mid-period. AREA 2: ======= MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN) 25/12/11 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, 25/12/11 AT 1200UTC - COLD FRONT (CF) AXIS 49S/81E, 36S/66E, 28S/52E, MOVING EASTWARD AT 20/25 KT. - LOW 987 HPA NEAR 49S/59E MOVING EASTWARD AT 15/20 KT. - HIGH 1023 HPA NEAR 36S/38E MOVING EASTWARD AT 20/25 KT. - COLD FRONT (CF) AXIS 54S/32E, 50S/34E, 47S/31E, MOVING EASTWARD AT 25/30 KT. PART 3: FORECAST FOR 24 HOURS FROM 25/12/11 AT 1800UTC TO 25/12/12 AT 1800UTC WAM (30S/40S, 50E/65E) RAIN, SQUALLS, AND FRONTAL SHOWERS UNDER CF OVER FAR NORTH-EASTERN AREA AT THE BEGINNING OF THE PERIOD. SCATTERED SHOWERS THEREAFTER. WIND: SW 4 TO 6, BECOMING ANTICLOCKWISE 3/4 AT THE END OF THE PERIOD. SEA: ROUGH TO VERY ROUGH LOCALLY HIGH. SW SWELL 3/4 M. VISI: POOR IN PRECIPITATIONS. AMS (30S/40S, 65E/80E) RAIN, SQUALLS, AND FRONTAL SHOWERS UNDER CF. WIND: NW 4 TO 6 AHEAD OF THE FRONT, BACKING SW 5/6. SEA: MODERATE TO VERY ROUGH FROM NORTH-EAST TO SOUTH-WEST. LONG SW SWELL 2/3 M, INCREASING TO 3 TO 5 M. VISI: POOR TO VERY POOR IN PRECIPITATIONS. CRO (40S/50S, 50E/65E) SCATTERED SHOWERS, THEN FRONTAL SHOWERS UNDER CG AT THE END OF THE PERIOD OVER SOUTHERN AREA. WIND: W TO SW 6/7, SOON SETTLING UP WESTERLY 4/5. SEA: VERY ROUGH TO HIGH, DECREASING. WESTERLY SWELL 3/4 M. VISI: POOR IN PRECIPITATIONS. KER (40S/50S, 65E/80E) RAIN, SQUALLS, AND FRONTAL SHOWERS UNDER CF OVER THE WESTERN AREA AT THE BEGINNING OF THE PERIOD. SCATTERED SHOWERS THEREAFTER. WIND: VARIABLE AND LIGHT, SETTLING UP W TO SW 6/7, BUT CLOCKWISE 3/4 OVER THE SOUTH-EASTERN AREA AT THE END OF THE PERIOD. SEA: ROUGH BECOMING VERY ROUGH OVER WESTERN AREA. WESTERLY SWELL 3/4 M. VISI: POOR TO VERY POOR IN PRECIPITATIONS.