Bulletinset for METAREA 7 Edition date (UTC): 2025-12-15 10:49:12 ============================ HIGH SEAS FORECAST ============================ FQZA31 FAPR 150830 WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 15TH OF DECEMBER 2025 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 151000 TO 161000 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: S to SE 35 in the east at first. 2. CAPE WEST: Cyclonic 35 to 40 in the west, and south-west, drifting to the south from mid-period. 4. MARION FORTIES EAST: W to NW 35 to 40 in the west, central and eastern parts until mid-period. SYNOPTIC CHART 06:00Z ===================== High 1021 hPa 31s65e Low 1003 hPa 38s03e 1. Cold Front: 31s03w 34s01w into 38s03e AREA FORECAST: ============== 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 05 to 10 in the east. VIS : Good, but moderate in showers and thundershowers in the extreme north-east at times. ST HELENA (15S/30S, 00E/20W): WIND : S to SE 05 to 15. VIS : Good, but moderate in light rain in places in the south and west. SEA STATE: 3.0m in the south from mid-period, with SW swell. TRADES (15S/30S, 00E/WEST COAST): WIND : W to SW 10 to 20 in the south-west until mid-period, otherwise S to SE 05 to 15 reaching 20 to 30 in the north-east and south-east until mid-period. VIS : Good, becoming moderate in light rain in the extreme south-west from this evening. SEA STATE: 3.0m in the south-west from tomorrow morning, with SW swell. TRISTAN (30S/40S, 00E/20W): WIND : S to SE 10 to 20 in the north and eastern half, reaching 30 to 35 in the east at first, otherwise anti-cyclonic 05 to 15. VIS : Good but moderate in light rain in the east until mid-period. SEA STATE: 3.0 to 4.0m in the central, southern and eastern parts, reaching 4.5 to 5.5m in the east until mid-period, with S to SW swell. CAPE WEST (30S/40S, 00E/20E): WIND : S to SE 05 to 15 in the north and north-east, otherwise cyclonic 15 to 25, reaching 30 to 40 in the west, and south-west, drifting to the south from mid-period. VIS : Good, but moderate in showers and rain in the west and southern parts, clearing in the west from mid-period. SEA STATE: 3.0 to 4.0m except in the north, reaching 4.5 to 5.5m in the south-east at first, as well as in places in the west, with SW swell. CAPE EAST (32.5S/40S, 20E/50E): WIND : Variable 05 to 10 in the west and north-east, otherwise W to NW 10 to 20, reaching 25 to 30 in the southern parts, becoming S to SE 15 to 25 in the extreme south-west from mid-period. VIS : Good but moderate in showers and rain in the south-west. SEA STATE: 3.0 to 4.0m in the central, south and western parts, reaching 4.5 to 5.0m in the south until mid-period, with W to SW swell. DURBAN EAST (32.5S/25S, EAST COAST/55E): WIND : E to NE 05 to 15, reaching 20 to 30 in the north, west and south- western parts. VIS : Good, becoming moderate in showers and rain in the north-east from mid-period. SEA STATE: 3.0m in the north and south-west, with SW swell but NE in the north. MOZAMBIQUE CHANNEL: WIND : Variable 05 to 10 in the central parts, otherwise E to SE 05 to 15 reaching 20 to 30 in the south-east, spreading to the north- east from the evening. VIS : Good, but moderate to poor in showers and thundershowers in places in the north, spreading to the central and western parts from mid-period. MADAGASCAR EAST (10S/25S, EAST COAST/55E): WIND : E to SE 10 to 20 reaching 25 in the east, but NE 15 to 25 in the south-west. VIS : Good, but moderate in showers and thundershowers in the west and northern parts. SEA STATE: 3.0m in the east at first, with SE swell. MARION FORTIES EAST (40S/50S, 35E/50E): WIND : W to NW 20 to 30, reaching 35 to 40 in the west, central and eastern parts until mid-period, but SW 20 to 30 in the south- west, spreading to the south-east from mid-period. It will become anti-cyclonic 05 to 15 in the west towards the end of the period. VIS : Moderate in showers and rain, but with possible snow-showers in the south from mid-period. SEA STATE: 4.0 to 5.0m, reaching 5.5 to 6.0m in the central, east and northern parts during the first half of the period, with W to NW swell. AREA 2: ======= MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN) 25/12/15 AT 0400UTC AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40% STRONGER THAN THE AVERAGES GIVEN HERE). PART 1: WARNING GALE AT FIRST OVER CRO. PART 2: GENERAL SYNOPSIS, 25/12/15 AT 0000UTC - COLD FRONT OVER EASTERN KER AT FIRST, DRIFTING AWAY BY EAST. - COLD FRONT OVER SOUTHERN CRO, RAPIDLY MOVING EASTWARD. - HIGH 1028 NEAR 33S/67E SLOW-MOVING. PART 3: FORECAST FOR 24 HOURS FROM 25/12/15 AT 0600UTC TO 25/12/16 AT 0600UTC WAM (30S/40S, 50E/65E) LIGHT SHOWERS OVER SOUTHERN. WIND: ANTICLOCKWISE 3/4, AT TIMES 5 OVER SOUTHERN. SEA : MODERATE, BUT ROUGH OVER SOUTHERN BY WESTERLY SWELL AROUND 3M. VIS : MODERATE IN PRECIPITATION. AMS (30S/40S, 65E/80E) LIGHT SHOWERS OVER SOUTHERN. WIND: ANTICLOCKWISE 3/4, AT TIMES 5 OVER SOUTHERN. SEA : MODERATE TO ROUGH. VIS : MODERATE IN PRECIPITATION. CRO (40S/50S, 50E/65E) FRONTAL RAIN AND SHOWERS OVER SOUTHERN. SCATTERED SHOWERS OVER NORTHERN. WIND: WESTERLY 5/6 AT TIMES 7, TEMPORARILY 8 OVER SOUTHERN AT FIRST. SEVERE GUSTS. SEA : ROUGH TO VERY ROUGH. WESTERLY SWELL 3 TO 4M, LOCALLY 5M OVER SOUTHERN. VIS : POOR IN PRECIPITATION. KER (40S/50S, 65E/80E) FRONTAL RAIN AND SHOWERS, OVER EASTERN AT FIRST, THEN SOON OVER SOUTHERN. WIND : INCREASING WESTERLY 5/6 AT TIMES 7, BUT NW 5/6 OVER EASTERN AT FIRST. GUSTS. SEA : ROUGH TO VERY ROUGH. W SWELL AROUND 3M, INCREASING SOON 3 TO 5M OVER WESTERN. VIS : POOR IN PRECIPITATION.