Bulletinset for METAREA 7 Edition date (UTC): 2026-04-06 04:26:35 ============================ HIGH SEAS FORECAST ============================ FQZA31 FAPR 051700 WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 05TH OF APRIL 2026 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 052200 TO 062200 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: W to SW 35 to 40 in the south-west and south central. 2. MARION FORTIES EAST: NW to W 35 to 45 in the central west and south- west spreading to the south-east towards the end of the period. SYNOPTIC CHART 12:00Z ===================== High 1025 hPa 30s11w, High 1026 hPa 35s00e, High 1016 hPa 30s43e. Low 958 hPa 56s26e. 1. Cold Front: 42s42e 50s48e 55s47e 59s40e 60s30e into 56s26e. AREA FORECAST: ============== ASCENSION (06S/15S, 00E/20W): WIND : E to SE 10 to 20. VIS : Good. ANGOLA (06S/15S, 00E/00N): WIND : S to SE 05 to 15, but SW 05 to 10 in the east from mid-period. VIS : Good, but moderate in showers and thundershowers in the east until mid-period. ST HELENA (15S/30S, 00E/20W): WIND : E to SE 10 to 20, but NE to N 05 to 15 in the south-west. VIS : Good. TRADES (15S/30S, 00E/WEST COAST): WIND : S to SE 10 to 20, reaching 25 in the south-east. VIS : Good, but moderate in showers and thundershowers in the north-east until mid-period. SEA STATE: 3.0 to 4.0m in the south spreading to the north-east towards the end of the period, but subsiding in the west from mid- period, with SW to S swell. TRISTAN (30S/40S, 00E/20W): WIND : Anti-cyclonic 05 to 15 in the north-east, otherwise NW 15 to 25 reaching 30 in the south-west in the first half of the period. It will become SW 10 to 20 in the extreme south-west from mid-period. VIS : Good, but moderate to poor in showers and thundershowers in the south-west. SEA STATE: 3.0 to 4.0m in the south-west, with NW swell. CAPE WEST (30S/40S, 00E/20E): WIND : S to SE 10 to 20 in the north reaching 25 in the north-east towards the end of the period, otherwise W to SW 15 to 25, but anticyclonic 05 to 15 in the west drifting to the central parts by mid-period. VIS : Good. SEA STATE: 3.0 to 4.0m, except in the extreme west, but 5.0 to 6.0m in the south-west reaching 6.5 to 7.0m at first. It will subside over the west half towards the end of the period, with W to SW swell. CAPE EAST (32.5S/40S, 20E/50E): WIND : N to NW 10 to 20 over the eastern half, reaching 25 in the central parts spreading to the east by mid-period, otherwise W to SW 15 to 25 spreading to the south-east by the end of the period, reaching 30 to 40 in the south-west and south central. VIS : Good, but moderate in showers and thundershowers in the western and central parts spreading to the east from mid- period while clearing in the west. SEA STATE: 4.5 to 5.5m in the west spreading to central and south-eastern parts by the end of the period, reaching 6.0 to 7.5m in the south-west, with SW swell. DURBAN EAST (32.5S/25S, EAST COAST/55E): WIND : S to SW 15 to 25 in the extreme east at first, otherwise anticyclonic 05 to 15, but NW to N 15 to 25 in the west. It will become SW 15 to 25 in the extreme south-west towards mid- period. VIS : Good, but moderate in showers and thundershowers in the south-west. SEA STATE: 3.0 to 3.5m in the east until mid-period, with S to SE swell. 3.5 to 4.5m in the south-west towards mid-period reaching 5.0m from mid-period, with SW swell. MOZAMBIQUE CHANNEL: WIND : N to NE 05 to 15 in the north-east, otherwise S to SE 05 to 15. VIS : Good, but moderate in showers and thundershowers in the north at times. SEA STATE: 3.0m in the south at first, with S to SE swell. MADAGASCAR EAST (10S/25S, EAST COAST/55E): WIND : S to SE 05 to 15 becoming NE 05 to 15 in the south-west from mid-period. VIS : Good, but moderate in showers and thundershowers in the north. SEA STATE: 3.0m in the south at first, with S to SE swell. MARION FORTIES EAST (40S/50S, 35E/50E): WIND : N to NW 10 to 20 in the east until mid-period, otherwise NW to W 20 to 30 reaching 35 to 45 in the central west and south- west spreading to the south-east towards the end of the period. It will become SW 15 to 25 in the west towards the end of the period. VIS : Good, but moderate to poor in showers and rain in the west spreading to the east from mid-period while clearing in the west. SEA STATE: 3.0m, but 5.0 to 6.0m in the west spreading to the east towards the end of the period reaching 7.0 to 8.5m in the south-west towards mid-period, with W to NW swell becoming SW towards the end of the period. AREA 2: ======= MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN) 26/04/05 AT 1600UTC AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40% STRONGER THAN THE AVERAGES GIVEN HERE). PART 1: WARNING - GALE TO STORM CONTINUING OVER AMS. PART 2: GENERAL SYNOPSIS, 26/04/05 AT 1200UTC - THUNDERY POST-TROPICAL LOW INDUSA 989 NEAR 29.7S/71.4E, RAPIDLY MOVING SOUTH-SOUTHEASTWARDS, FILLING LATER AND EXPECTED EXTRATROPICAL LOW NEAR 37.5S/75.7E THE 06 AT 12 UTC. - THUNDERY LOW 1003 OVER NORTH OF WAM NEAR 33S/57E, SLOW-MOVING AND FILLING. - NEW LOW 1007 LATER OVER NORTHWEST OF KER, MOVING SOUTH-SOUTHEASTWARDS AND DEEPENING. - COLD FRONT OVER SOUTHWEST OF CRO AT FIRST THEN AT END. - RIDGE 1020 OVER EAST OF KER, GRADUALLY WEAKENING. PART 3: FORECAST FOR 24 HOURS FROM 26/04/05 AT 1800UTC TO 26/04/06 AT 1800UTC WAM (30S/40S, 50E/65E) SHOWERS, AT TIMES THUNDERY. WIND: CLOCKWISE 5 OR 6, DECREASING 4 OR 5 LATER AND BECOMING NORTHWEST IN FAR SOUTHWEST. GUSTS. SEA: MODERATE OR ROUGH. VISIBILITY: POOR IN PRECIPITATION. AMS (30S/40S, 65E/80E) SHOWERS AND THUNDERSQUALLS. WIND: CLOCKWISE INDUSA 8 OR 9 FROM NORTH, AT TIMES 10 AT FIRST, GRADUALLY DECREASING 6 OR 7 AND BECOMING NORTHERLY 4 OR 5 IN WEST. SEVERE OR VIOLENT GUSTS. SEA: MODERATE OR ROUGH, BUT VERY ROUGH OR HIGH AND CROSSED NEAR THE CENTER OF INDUSA. VISIBILITY: POOR IN PRECIPITATION. CRO (40S/50S, 50E/65E) FRONTAL RAIN OR SHOWERS. WIND: - IN FAR NORTHEAST: SOUTHEASTERLY 3 TO 5, BECOMING TEMPORARILY VARIABLE 2 TO 4 AT END. - ELSEWHERE: NORTHWEST 3 OR 4, INCREASING NORTH OR NORTHWEST 6 OR 7 FROM WEST LATER. GUSTS. SEA: MODERATE OR ROUGH. VISIBILITY: POOR IN PRECIPITATION. KER (40S/50S, 65E/80E) RAIN OR SHOWERS BECOMING HEAVY FROM NORTHWEST. WIND: ANTICLOCKWISE 3 OR 4, AT TIMES 5, BUT NORTHWESTERLY DECREASING 4 OR 5 IN FAR SOUTH, BECOMING CLOCKWISE 5 OR 6 LATER IN NORTHWEST, AT TIMES 7. GUSTS. SEA: MODERATE OR ROUGH. VISIBILITY: POOR IN PRECIPITATION.