Bulletinset for METAREA 7 Edition date (UTC): 2025-12-10 06:48:16 ============================ HIGH SEAS FORECAST ============================ FQZA31 FAPR 091730 WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 09TH OF DECEMBER 2025 AT 17:30 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 092200 TO 102200 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: S to SW 35 in the south, drifting to the south-east by the end of the period. 2. MARION FORTIES EAST: W to SW 35 to 45 in the west and southern parts, spreading to the northern parts from tomorrow morning, as well as eastern parts tomorrow afternoon. SYNOPTIC CHART 12:00Z ===================== High 1020 hPa 35s05e, High 1016 hPa 30s60e Low 966 hPa 51s16w, Low 959 hPa 54s39e 1. Cold Front: 35s17w 40s08w 45s05w 50s04w 54s09w into 51s16w 2. Cold Front: 35s22e 39s35e 42s44e 47s55e 51s56e 54s49e 56s43e into 54s39e 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, but moderate in showers and thundershowers in the extreme north-east at first. ST HELENA (15S/30S, 00E/20W): WIND : NW 10 to 20 in the south-west, otherwise SE to E 10 to 20, but anticyclonic 05 to 15 in the south-east. VIS : Good, but moderate in showers and rain in the south-west. TRADES (15S/30S, 00E/WEST COAST): WIND : Variable 05 to 10 in the south-west, otherwise S to SE 10 to 20 reaching 25 to 30 in the south-east. VIS : Good. SEA STATE: 3.0m in the south-east at first, with S to SE swell. TRISTAN (30S/40S, 00E/20W): WIND : N to NW 15 to 25 in the east, otherwise W to SW 15 to 25 reaching 30 in the south by the end of the period. VIS : Good in the west, otherwise moderate in showers and rain in places. SEA STATE: 3.0 to 4.0 in the west, and south, spreading to the central and eastern parts from mid-period, but 4.0 to 5.0m in the south-west, spreading to the south-east by the end of the period, with W to SW swell. CAPE WEST (30S/40S, 00E/20E): WIND : S to SE 15 to 25 in the east and north-east, reaching 30 in the east at times, but N to NW 15 to 25 in the south and west, otherwise, anti-cyclonic 05 to 15. VIS : Good, but moderate in showers and thundershowers in the south- west. SEA STATE: 3.0 to 3.5m in the south-east at first, as well as south- west by the end of the period, with SW swell. CAPE EAST (32.5S/40S, 20E/50E): WIND : Anti-cyclonic 05 to 15 in the west, but NW 15 to 25 in the eastern parts, otherwise S to SW 15 to 25, reaching 30 to 35 in the south, drifting to the south-east by the end of the period. VIS : Good, but moderate in showers and rain in the south and eastern parts. SEA STATE: 3.0 to 4.0m except in the north-east until mid-period, reaching 5.0 to 6.0m in the south spreading to the south-east from mid-period, with SW swell. DURBAN EAST (32.5S/25S, EAST COAST/55E): WIND : Anti-cyclonic 05 to 15, but S to SE 15 to 25 in the south- west, spreading to the south and north-west from tomorrow morning. VIS : Good, but moderate to poor in showers and thundershowers in in the west and southern parts, spreading to the east from mid-period, while clearing in the south. SEA STATE: 3.0 to 3.5m in the west and south-west, spreading to the central south from mid-period, with SW swell. MOZAMBIQUE CHANNEL: WIND : Variable 05 to 10 in the north, but N to NE 10 to 20 in the south-west at first, otherwise S to SE 05 to 15, reaching 25 to 30 in the south-west from mid-period. VIS : Good, but moderate in showers and thundershowers in the central and northern parts at times. MADAGASCAR EAST (10S/25S, EAST COAST/55E): WIND : E to NE 05 to 15. VIS : Moderate in showers and thundershowers in places. MARION FORTIES EAST (40S/50S, 35E/50E): WIND : W to SW 20 to 30, reaching 35 to 45 in the west and southern parts, spreading to the northern parts from tomorrow morning, as well as eastern parts tomorrow afternoon. VIS : Moderate in showers and rain in places, with possible snow- showers in the southern parts. SEA STATE: 5.0 to 6.0m, reaching 7.0 to 9.0m in the west and southern parts, spreading to the north from mid-period, with SW swell. AREA 2: ======= MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN) 25/12/09 AT 1700UTC 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, 25/12/09 AT 1200UTC - HIGH 1019 HPA NEAR 28S/66E MOVING EASTWARD. - COLD FRONT CF AXIS 38S/33E, 46S/54E, 49S/54E, MOVING EASTWARD. PART 3: FORECAST FOR 24 HOURS FROM 25/12/09 AT 1800UTC TO 25/12/10 AT 1800UTC WAM (30S/40S, 50E/65E) RAIN AND FRONTAL SHOWERS (CF), LOCAL SHOWERS IN THE NORTH. WIND: NORTHWESTERLY 3 TO 5 FROM NORTH TO SOUTH, INCREASING SOON 4 TO 6 LOCALLY 7 FROM NORTH TO SOUTH AHEAD OF THE FRONT, BACKING SOUTHWESTERLY 5/6 BEHIND OVER SOUTHWESTERN AREAS AT THE END. SEA : MODERATE TO ROUGH FROM NORTH TO SOUTH, BECOMING VERY ROUGH IN FAR SOUTHWEST AT END. SOUTHWESTERLY SWELL 2/4M OVER SOUTH ZONE. VIS : POOR UNDER PRECIPITATION. AMS (30S/40S, 65E/80E) SCATTERED SHOWERS. WIND: NORTHERN ZONE: SOUTHWESTERLY 3/4, BECOMING ANTICLOCKWISE 2/4 BY WEST. IN THE SOUTH : WESTERLY 4/5, INCREASING LATER NORTH-WESTERLY 5/6 AHEAD THE FRONT CF. SEA : MODERATE TO ROUGH FROM NORTH TO SOUTH. SOUTHWESTERLY SWELL 2/3M. VIS : POOR IN PRECIPITATION. CRO (40S/50S, 50E/65E) RAIN AND FRONTAL SHOWERS (CF) WIND: NORTH-WESTERLY 5/6, AHEAD THE FRONT, LOCALLY REACHING 7 DURING THE DAY, BACKING WEST 4/5 LOCALLY 6 BEHIND, THEN INCREASING NORTH-WESTERLY 6/7 OVER THE NORTH-WESTERN HALF AT END. SEA : ROUGH TO VERY ROUGH, BECOMING HIGH OVER FAR SOUTHWEST LATER. WESTERLY SWELL 2/4M, INCREASING 4/6M OVER SOUTHWEST DURING THE DAY. VIS : POOR TO VERY POOR UNDER PRECIPITATION. KER (40S/50S, 65E/80E) SHOWERS FOLLOWED BY RAIN AND FRONTAL SHOWERS (CF). WIND: WESTERLY TO NORTHWESTERLY 5/6, LOCALLY 3/4 OVER THE EASTERN HALF AT FIRST, DECREASING WESTERLY TO NORTHWESTERLY 2/4 OVER THE SOUTHERN HALF AT THE END. SEA : ROUGH, LOCALLY VERY ROUGH IN THE NORTH AT FIRST. WESTERLY SWELL 2/4M. VIS : POOR TO VERY POOR UNDER PRECIPITATION.