Bulletinset for METAREA 7 Edition date (UTC): 2026-06-18 21:29:37 ============================ HIGH SEAS FORECAST ============================ FQZA31 FAPR 181330 WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 18TH OF JUNE 2026 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 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. TRISTAN : N to NW 35 to 40 in the south-west until mid-period, becoming S to SW 35 in the south-west that will spread to the central-south towards mid-period. 2. CAPE EAST : W to SW 35 in the central-south, moving to the east by mid-period. 3. MARION FORTIES EAST: W to SW 35 to 40 in the north-west spreading to the north-east by mid-period, becoming NW 35 in the south-west by end of the period. SYNOPTIC CHART 12:00Z ===================== High 1032 hPa 37s06e, High 1024 hPa 29s37e Low 992 hPa 47s40e 1. Cold Front: 36s22e 38s35e 43s42e 49s41e into 47s40e. AREA FORECAST: ============== ASCENSION (06S/15S, 00E/20W): WIND : E to SE 15 to 25. VIS : Good. SEA STATE: 3.0m until mid-period, with E to SE swell. ANGOLA (06S/15S, 00E/00N): WIND : SW 05 to 15 in the east, otherwise S to SE 10 to 20, reaching 25 to 30 in the south and south-east. VIS : Good. SEA STATE: 3.0m until mid-period, except in the north-west with SE swell. ST HELENA (15S/30S, 00E/20W): WIND : N to NE 15 to 25 in the west, otherwise E to SE 15 to 25 but NW to W 20 to 30 in the south-west and SW 10 to 20 in the extreme south-west where it will become SE by end of period. VIS : Good, but moderate to poor in showers and thundershowers in the extreme south-west. SEA STATE: 3.0m, except in the south-east, reaching 4.0m in the south- west, with E to SE swell, but NW in the south-west. TRADES (15S/30S, 00E/WEST COAST): WIND : S to SE 15 to 25. VIS : Good. SEA STATE: 3.0 to 4.0m, until mid-period, with SE swell. TRISTAN (30S/40S, 00E/20W): WIND : N to NW 20 to 30, reaching 35 to 40 in the south-west until mid-period, becoming S to SW 15 to 25 in the west reaching 35 in the south-west that will spread to the central-south towards mid-period, while becoming S to SE 15 to 25 in the north-west. VIS : Good, but moderate to poor in showers and thundershowers in the west, spreading in a band to the central parts by mid- period and south-east by end of period. SEA STATE: 3.0 to 4.0m, except in the north-east, reaching 4.5 to 5.0m in the south-west, spreading to the central south by mid-period, with NW swell, but SW swell in the south-west from mid-period. CAPE WEST (30S/40S, 00E/20E): WIND : NW 15 to 25 in the south-west, otherwise S to SE 15 to 25, becoming NE 10 to 20 in the south-east by end of the period. VIS : Good. SEA STATE: 3.0m in the east and 4.0m in the south-east and south-west with a SW swell, but SE in the north-east. CAPE EAST (32.5S/40S, 20E/50E): WIND : W to SW 15 to 25, reaching 30 to 35 in the central south moving to the east by mid-period, while becoming anticyclonic 05 to 15 in the west reaching 25 in the north-west towards end of period. VIS : Moderate in showers and rain in places, but good in the west. SEA STATE: 3.0 to 4.0m, reaching 5.0 to 6.0m in the central parts south where it will reach 6.5m to 7.0m spreading to the east by end of period, with SW swell. DURBAN EAST (32.5S/25S, EAST COAST/55E): WIND : Anticyclonic 05 to 15 in the north, otherwise W to SW 10 to 20, reaching 25 to 30 in the central south towards mid-period, spreading to the central parts by end of period. VIS : Good, but moderate in showers and thundershowers in the west, spreading to the central south by mid-period, while clearing in the south-west, it will spread to the east by end of period. SEA STATE: 3.0 to 3.5m in the south, spreading to the north by mid- period, while reaching 4.0 to 6.0m in the central-south by end of period, with S to SW swell. MOZAMBIQUE CHANNEL: WIND : S to SE 05 to 15, reaching 20 to 25 in the south. VIS : Good. MADAGASCAR EAST (10S/25S, EAST COAST/55E): WIND : Variable 05 to 10 in the south, otherwise E to SE 10 to 20, reaching 25 in the extreme north-west, becoming SW 05 to 15 in the south-west by end of period. VIS : Moderate in showers and rain in places. MARION FORTIES EAST (40S/50S, 35E/50E): WIND : W to SW 20 to 30 reaching 35 to 40 in the north-west spreading to the north-east by mid-period, otherwise SE to S 20 to 30, it will become NW 15 to 25 in the south-west from mid-period where it will reach 30 to 35 by end of the period. VIS : Good, but moderate in showers and rain in a band in the central parts, while clearing from the south it will spread to the north by mid-period and becoming moderate in rain in the south-west by end of period. SEA STATE: 3.0 to 4.0m, reaching 5.0 to 6.5m in the north-west, with SW Swell, becoming NW in the south-west by end of period. AREA 2: ======= MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN) 26/06/18 AT 1700UTC AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40% STRONGER THAN THE AVERAGES GIVEN HERE). PART 1: WARNING - GALE OVER CRO AND KER AREA. PART 2: GENERAL SYNOPSIS, 26/06/18 AT 1200UTC - COLD FRONT (CF) AXIS 28S/62E, 32S/66E, 38S/69E, 43S/71E. - COLD FRONT (CG) AXIS 37S/33E, 39S/39E, 41S/43E ENE MOVING QUICKLY E TO NE. PART 3: FORECAST FOR 24 HOURS FROM 26/06/18 AT 1800UTC TO 26/06/19 AT 1800UTC WAM (30S/40S, 50E/65E) FRONTAL RAIN AND SHOWERS UNDER CG. WIND : SW TO W 5/6 VEERING NW 6 TO 7 AHEAD CG. SEA : ROUGH TO VERY ROUGH BECOMING MODERATE TO ROUGH. SW SWELL 3 TO 4 METERS. VISIBILITY : POOR TO VERY POOR UNDER PRECIPITATION. AMS (30S/40S, 65E/80E) FRONTAL RAIN AND SHOWERS UNDER CF. WIND : NW TO N 5 TO 7 AHEAD CF BACKING SW 4 TO 6 BEHIND CF THEN NW 5 TO 6 AT END BY WESTERN AREA. SEA : ROUGH BECOMING MODERATE TO ROUGH. SW SWELL 2 TO 4 METERS. VISIBILITY : POOR TO VERY POOR UNDER PRECIPITATION. CRO (40S/50S, 50E/65E) FRONTAL RAIN AND SHOWERS UNDER CG. WIND : INCREASING NW 6 TO 7 LOCALLY 8 AHEAD CG BACKING W 5 TO 6 BEHIND CG. SEA : ROUGH TO VERY ROUGH BECOMING MODERATE TO ROUGH. SW SWELL 3 TO 4 METERS. VISIBILITY : POOR TO VERY POOR UNDER PRECIPITATION. KER (40S/50S, 65E/80E) FRONTAL RAIN AND SHOWERS UNDER CF AT BEGINNING OVER EASTERN AREA THEN FRONTAL RAIN AND SHOWERS UNDER CG BY WESTERN AREA AT END. WIND : NW 6 TO 7 LOCALLY 8 UNDER CF THEN S TO SW 5 TO 6 BEHIND CF BUT N 6 TO 7 BY WESTERN AREA AHEAD CG AT END. SEA : ROUGH TO VERY ROUGH BECOMING ROUGH. SW 3 TO 4 METERS. VISIBILITY : POOR TO VERY POOR UNDER PRECIPITATION.=