Bulletinset for METAREA 7 Edition date (UTC): 2026-04-25 11:22:29 ============================ HIGH SEAS FORECAST ============================ FQZA31 FAPR 250830 WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 25TH OF APRIL 2026 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 251000 TO 261000 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 WEST: W to NW 35 in the extreme east by mid-period. 2. CAPE EAST: W to NW 35 in the south-west by mid-period until towards the end of the period. 3. MARION FORTIES EAST: NW 35 in the south and south-west until towards the end of the period. SYNOPTIC CHART 06:00Z ===================== High 1034 hPa 42s13w, High 1033 40s49e Low 1001 hPa 43s18e 1. Cold Front: 27s03w 30s01e 35s10e into 42s18e AREA FORECAST: ============== ASCENSION (06S/15S, 00E/20W): WIND : SE to E 10 to 20. VIS : Good, but moderate in showers and thundershowers in the extreme northern parts. ANGOLA (06S/15S, 00E/00N): WIND : S to SE 05 to 15, but SW 05 to 15 in the east. VIS : Good, but moderate in showers and thundershowers in the north- east at times. ST HELENA (15S/30S, 00E/20W): WIND : Variable 05 to 10 over the central parts until mid-period, otherwise SE to E 10 to 20 reaching 25 to 30 over the southern parts. VIS : Good, but moderate to poor in showers and thundershowers in the southern parts. SEA STATE: 3.0 to 4.0m over the southern parts, spreading to the central parts towards the end of the period, with S to SE swell. TRADES (15S/30S, 00E/WEST COAST): WIND : Variable 05 to 10 in places at first, otherwise S to SE 05 to 15, reaching 20 to 30 in the south-west, but W to NW 05 to 15 in the south. VIS : Good, but moderate in showers and rain in the south-west, spreading to the south-east towards the end of the period. SEA STATE: 3.0 to 3.5m in the south-west, with S to SE swell. TRISTAN (30S/40S, 00E/20W): WIND : SE to E 10 to 10 reaching 25 in the north, but N to NE 10 to 20 in the south-west. VIS : Good, but moderate in showers and rain in the northern parts but in the eastern parts until mid-period. SEA STATE: 3.0 to 4.0m over the northern and eastern parts, reaching 4.5m in the south-east at first, with S to SW swell. CAPE WEST (30S/40S, 00E/20E): WIND : W to NW 10 to 20 in the east, reaching 25 to 35 in the extreme east by mid-period, otherwise S to SE 10 to 20 reaching 25 to 30 in the west and south-west, drifting over the central parts towards the end of the period. VIS : Good, but moderate in showers and rain over the central and western half, spreading over the eastern parts towards the end of the period. SEA STATE: 3.5 to 4.5m in the south-west, spreading over the central and south-eastern parts towards the end of the period, with S to SW swell. CAPE EAST (32.5S/40S, 20E/50E): WIND : E to NE 15 to 25 reaching 30 over the central parts, but W to NW 15 to 25 in the west, reaching 30 to 35 in the south-west by mid- period, where it will become SW 15 to 25 towards the end of the period. VIS : Good, but moderate in showers and thundershowers in the central and eastern parts, but in the west towards the end of the period. SEA STATE: 3.0 to 3.5m in the central and north-eastern parts with E to NE swell, but in the south-west towards the end of the period, with S to SW swell. DURBAN EAST (32.5S/25S, EAST COAST/55E): WIND : SE to E 15 to 25, but N to NE 10 to 20 in the west. VIS : Moderate to poor in showers and thundershowers in places, but good in the west. SEA STATE: 3.0 to 4.0m, except in the north-west, with S to SW swell but with E to NE swell in the west. MOZAMBIQUE CHANNEL: WIND : SW 05 to 15 in the east, otherwise S to SE 10 to 20, but variable 05 to 10 in the south-west. VIS : Good, but moderate in showers and rain in places in the northern parts. SEA-STATE: 3.0 to 3.5m in the southern parts until mid-period, with S to SE swell. MADAGASCAR EAST (10S/25S, EAST COAST/55E): WIND : S to SE 10 to 20, but E to NE 05 to 15 in the south-west. VIS : Good, but moderate in showers and thundershowers in places. SEA-STATE: 3.0m in the south, with S to SW swell. MARION FORTIES EAST (40S/50S, 35E/50E): WIND : Anti-cyclonic 05 to 15 in the north-east at first, otherwise NW 20 to 30 reaching 35 in the south and south-west until towards the end of the period. It will become SE to E 15 to 25 in the south-west by the end of the period. VIS : Good, but moderate to poor in showers and rain in the south-west, spreading to the south-east towards the end of the period. SEA STATE: 3.5 to 4.5m over the southern half, but in the west towards the end of the period, with W to NW swell. AREA 2: ======= MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN) 2026/04/25 AT 0500UTC AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40% STRONGER THAN THE AVERAGES GIVEN HERE). PART 1: WARNING - STRONG GALE OVER KER. PART 2: GENERAL SYNOPSIS, 2026/04/25 AT 0000UTC - HIGH 1032 NEAR 40S/46E, SLOWLY MOVING EASTWARD. - SLOW-MOVING FRONT OVER NORTHERN WAM AND NORTHERN AMS, EXTENDING AT FIRST IN A COLD FRONT OVER SOUTH-EASTERN AMS. - WESTERLY AIRFLOW OVER SOUTHERN CRO AND OVER KER. PART 3: FORECAST FOR 24 HOURS FROM 2026/04/25 AT 0600UTC TO 2026/04/26 AT 0600UTC WAM (30S/40S, 50E/65E) FRONTAL RAIN AND SHOWERS OVER NORTHERN. WIND: ANTICLOCKWISE 3/4 BUT E 5/6 OVER NORTHERN WITH GUSTS. SEA : ROUGH, LOCALLY VERY ROUGH DUE TO WIND AT FIRST OVER FAR NORTH-WESTERN. BECOMING GRADUALLY MODERATE OVER SOUTH-WESTERN. VIS : POOR IN PRECIPITATION. AMS (30S/40S, 65E/80E) FRONTAL RAIN AND SHOWERS OVER NORTHERN, MOVING DOWN AT FIRST OVER SOUTH-EASTERN. WIND: NW 4/5 AHEAD OF THE FRONT, BACKING SW 4/5 BEHIND, LOCALLY 6 WITH GUSTS IN THE VICINITY OF THE FRONT, BECOMING GRADUALLY ANTICLOCKWISE 3/4 FROM WEST AT TIMES 5. SEA : MODERATE TO ROUGH FROM NORTH TO SOUTH, BUT SOON VERY ROUGH OVER FAR SOUTH-EASTERN BY SW SWELL INCREASING AROUND 4M VIS : POOR IN PRECIPITATION. CRO (40S/50S, 50E/65E) SCATTERED SHOWERS. WIND: ANTICLOCKWISE 3/4 OVER NORTHERN, BUT W 5/6 ELSEWHERE WITH GUSTS, LOCALLY 7 OVER FAR SOUTHERN. SEA : ROUGH TO VERY ROUGH, LOCALLY HIGH AT FIRST OVER FAR SOUTH-EASTERN BY SW SWELL 4 TO 6M ABATING. BECOMING SOON MODERATE TO ROUGH OVER NORTH- WESTERN. VIS : MODERATE IN PRECIPITATION. KER (40S/50S, 65E/80E) SCATTERED SHOWERS. WIND: WESTERLY 5/6 OVER NORTHERN BUT 7/8 OVER SOUTHERN, LOCALLY 9 OVER FAR SOUTHERN. GUSTS, LOCALLY SEVERE GUSTS. DECREASING GRADUALLY TO REACH AT END 4/5 OVER NORTHERN BUT 6/7 OVER SOUTHERN. SEA : VERY ROUGH TO HIGH BY SOUTH-WESTERLY SWELL 4 TO 6M. VIS : MODERATE IN PRECIPITATION.