Bulletinset for METAREA 7 Edition date (UTC): 2026-10-18 20:08:15 ============================ HIGH SEAS FORECAST ============================ FQZA31 FAPR 181630 WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 18th OF OCTOBER 2026 AT 16:30 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 182200 TO 192200 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 extreme central-north. 2.DURBAN EAST: S to SW 35 to 40 in the west from the mid-period. SYNOPTIC CHART 12:00Z ===================== High 1029 hPa 32s02w High 1026 hPa 28s64e. AREA FORECAST: ============== ASCENSION (06S/15S, 00E/20W): WIND : SE to E 10 to 20. VIS : Good. ANGOLA (06S/15S, 00E/00N): WIND : S to SE 10 to 20 but SW 05 to 10 in the east. VIS : Good. ST HELENA (15S/30S, 00E/20W): WIND : E to SE 15 to 25 but NE 15 to 25 in the south-west becoming N to NW 10 to 20 from second half of the period, spreading to the south by the end of the period. VIS : Good but moderate in showers in the extreme south-west. TRADES (15S/30S, 00E/WEST COAST): WIND : S to SE 15 to 25 becoming anticyclonic 05 to 10 in the south -west by the end of the period. VIS : Good. SEA STATE: 3.0 to 3.5m, with S to SW swell. TRISTAN (30S/40S, 00E/20W): WIND : Anticyclonic 05 to 15 in the north-east at first, otherwise N to NW 10 to 20 but 25 to 30 in the west spreading to the east by the end of the period while becoming SE 10 to 20 in the extreme south-west spreading to the south by the end of the period. VIS : Moderate to poor in showers and rain in the west and south spreading to the south-east towards the mid-period. SEA STATE: 3.0 to 3.5m in the west spreading to the south and east During the second half of the period, with NW swell. CAPE WEST (30S/40S, 00E/20E): WIND : Anticyclonic 05 to 10 in the north-west otherwise W to SW 10 to 20 reaching 25 but NW 15 to 25 in the west from the mid- period spreading to the south by the end of the period. VIS : Good but moderate in showers in the south. SEA STATE: 3.0 to 3.5m in the south, with SW swell. CAPE EAST (32.5S/40S, 20E/50E): WIND : N 10 to 20 in the north, otherwise E to SE 15 to 20 reaching 30 to 35 in the extreme central-north but 30 in the south towards the end of the period. It will W to SW 15 to 25 in the south-west. VIS : Poor in showers and thundershowers. SEA STATE: 3.0 to 3.5m reaching 4.0m in the south and north-west, with SW swell. DURBAN EAST (32.5S/25S, EAST COAST/55E): WIND : NE 15 to 20 becoming S to SW 20 to 30 in the extreme south- west towards the mid-period spreading to the west while reaching 35 to 40. VIS : Good, but moderate to poor in showers and thundershowers in the south-west. SEA STATE: 3.5 to 4.0m in the south-west, with SW swell. MOZAMBIQUE CHANNEL: WIND : Variable 05 to 10 over the central and eastern parts, otherwise E to NE 10 to 20. VIS : Good. MADAGASCAR EAST (10S/25S, EAST COAST/55E): WIND : SE 10 to 20 in the north but NE 10 to 20 in the south. VIS : Good. SEA STATE: 3.0m in the northern parts, with SE swell. MARION FORTIES EAST (40S/50S, 35E/50E): WIND : SW 15 to 25 in the south-east and anticyclonic 05 to 15 in the north, but N to NW 10 to 20 in the west spreading to the south and east towards the end of the period while becoming E 15 to 20 in the north from mid-period. VIS : Good, but poor in rain and showers in the north during the second half of the period. SEA STATE: 3.5 to 4.5m reaching 5.0 to 6.0m in the south during the first half of the period, with W to SW swell. AREA 2: ====== MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN) 26/10/18 AT 1600UTC AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40% STRONGER THAN THE AVERAGES GIVEN HERE). PART 1: WARNING - STRONG GALE FORCE 9 OVER KER.- GALE FORCE 8 OVER CRO. PART 2: GENERAL SYNOPSIS, 26/10/18 AT 1200UTC - WESTERLY FAST FLOW OVER SOUTH-EASTERN KER AT FIRST.- HIGH 1026 HPA OVER FAR NORTHERN WAM, SLOW-MOVING.- HIGH 1021 HPA NEAR 42S/33E, EXPECTED 1026 HPA NEAR 43S/55E AT END. PART 3: FORECAST FOR 24 HOURS FROM 26/10/18 AT 1800UTC TO 26/10/19 AT 1800UTC WAM (30S/40S, 50E/65E) SHOWERS OVER SOUTHERN. WIND: NORTH-WEST 4 TO 6 SETTING-UP ANTICLOCKWISE 3 TO 5 BY SOUTH- WESTERN SOON. AT END, NORTH 4 TO 5 OVER NORTH-WESTERN AND EAST 5 TO 6 OVER SOUTH-WESTERN. SEA: MODERATE TO ROUGH FROM NORTH TO SOUTH, LOCALLY VERY ROUGH OVER SOUTH-EASTERN LATER. SOUTH-WEST SWELL 2 TO 4 M FROM NORTH TO SOUTH. VISI: MODERATE IN SHOWERS. AMS (30S/40S, 65E/80E) FEW SHOWERS OVER SOUTHERN. WIND: WESTERLY, 4 TO 6 FROM NORTH TO SOUTH. SEA: ROUGH TO VERY ROUGH, LOCALLY HIGH OVER FAR SOUTH-WESTERN LATER. SOUTH-WEST SWELL 3 TO 5 M FROM NORTH TO SOUTH, 6 M OVER FAR SOUTH-WESTERN LATER. VISI: MODERATE IN SHOWERS. CRO (40S/50S, 50E/65E) SCATTERED SHOWERS. WIND: SOUTH-WEST 6 TO 7, INCREASING 8 OVER SOUTH-EASTERN. ANTICLOCKWISE 3 TO 5 OVER NORTH-WESTERN LATER. VIOLENT GUSTS. SEA: VERY ROUGH TO HIGH, BECOMING ROUGH BY WESTERN LATER. SOUTH-WEST SWELL 3 TO 5 M, 6 TO 8 M OVER SOUTHERN AT FIRST. VISI: POOR IN PRECIPITATION. KER (40S/50S, 65E/80E) SCATTERED SHOWERS. WIND: WESTERLY TO SOUTH-WEST 7 TO 8, LOCALLY 9 OVER EASTERN AT BEGINNING. VIOLENT GUSTS. SEA: VERY ROUGH TO HIGH, TEMPORARILY VERY HIGH OVER SOUTHERN DURING THE NIGHT. WESTERLY TO SOUTH-WEST SWELL 4 TO 5 M, 6 TO 7 M OVER SOUTHERN DURING THE NIGHT. VISI: POOR TO VERY POOR IN PRECIPITATION.=