Bulletinset for METAREA 7 Edition date (UTC): 2026-09-13 23:49:21 ============================ HIGH SEAS FORECAST ============================ FQZA31 FAPR 131730 WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 13th OF SEPTEMBER 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 132200 TO 142200 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 in the south-east at first. 2. CAPE WEST: E to NE 35 in the south-east at first, but W to NW 35 in the south-west at first, spreading to the south from mid- period, as well as south-east by the end of the period. 3. CAPE EAST: E to NE 35 to 40 in the west and north, spreading to the central parts from the morning, while moderating in the west, but S to SW 35 in the south-east at first. 4. DURBAN EAST: E to NE 35 to 40 in the south-west. 5. MOZAMBIQUE CHANNEL: S to SE 35 in the south-east. 6. MARION FORTIES EAST: W to SW 35 to 40 in the south and eastern parts at first, becoming W to NW 35 to 40 in the west towards the end of the period. SYNOPTIC CHART 12:00Z ===================== High 1028 hPa 40s30e Low 1004 hPa 32s10e, Low 980 hPa 44s05w 1. Cold Front: 26s30w 30s20w 34s15w 40s07w into 44s05w AREA FORECAST: ============== ASCENSION (06S/15S, 00E/20W): WIND : S to SE 05 to 15. VIS : Good. ANGOLA (06S/15S, 00E/00N): WIND : S to SE 05 to 15, but SW 05 to 15 in the east. VIS : Good. ST HELENA (15S/30S, 00E/20W): WIND : N to NW 15 to 25 in the southern parts, otherwise anti- cyclonic 05 to 15. It will become SW 15 to 25 in the south- west from the morning. VIS : Good but moderate in showers and rain in the south and south- west, spreading to the south-east towards the end of the period, while clearing in the south-west. SEA STATE: 3.0 to 4.0m in the south and south-west, with SW swell. TRADES (15S/30S, 00E/WEST COAST): WIND : S to SE 05 to 15, but W to NW 15 to 25 in the southern parts. VIS : Good but moderate in showers and thundershowers in the south and south-east at first. SEA STATE: 3.0 to 4.0m in places in the southern parts at first, with S to SE swell. TRISTAN (30S/40S, 00E/20W): WIND : N to NW 15 to 25 in the eastern parts, reaching 35 in the south-east at first, otherwise S to SW 15 to 25, reaching 30 in the southern parts at times. VIS : Good but moderate to poor in showers and rain in the north, east and southern parts. SEA STATE: 3.0 to 4.0m reaching 4.5 to 5.0m in the southern parts, with W to SW swell. CAPE WEST (30S/40S, 00E/20E): WIND : E to NE 20 to 30 in the south-east, reaching 35 at first, otherwise W to NW 15 to 25, reaching 30 to 35 in the south- west at first, spreading to the south from mid-period, as well as south-east by the end of the period. VIS : Good but moderate to poor in showers and thundershowers in the eastern parts until in the evening, but moderate in showers and rain in the west and south-west, spreading to the south from mid-period. SEA STATE: 3.0 to 4.0m reaching 4.5 to 5.0m in the south-east at first, as well as south-west from the afternoon, with E to NE swell in the south-east, otherwise W to SW. CAPE EAST (32.5S/40S, 20E/50E): WIND : E to NE 20 to 30 in the west and north, reaching 35 to 40, spreading to the central parts from the morning, while moderating in the west, but S to SW 20 to 30 in the east and south-east, reaching 35 in the south-east at first, otherwise anti-cyclonic. VIS : Good but moderate to poor in showers and thundershowers in the central, north and western parts. SEA STATE: 3.0 to 4.0m reaching 5.0 to 6.0m in places in the east and western parts, spreading to the south and central parts from mid-period, with SW swell in the east and south, but E to NE in the west and central parts. DURBAN EAST (32.5S/25S, EAST COAST/55E): WIND : SW 15 to 25 in the south-east, but S to SE 20 to 30 in the central and northern parts, otherwise E to NE 15 to 25, reaching 30 to 40 in the south-west. VIS : Good but moderate in showers and rain in the north-east, west and south-west. SEA STATE: 3.0 to 4.0m, reaching 4.5 to 5.5m in the south-east and south- west, with E to NE swell, but SW in the south-east. MOZAMBIQUE CHANNEL: WIND : E to NE 15 to 25 in the south-west, otherwise S to SE 15 to 25, reaching 30 to 35 in the south-east. VIS : Good. SEA STATE: 3.0 to 4.0m in the south and south-east, reaching 4.5m in the south-east from the afternoon, with SE swell. MADAGASCAR EAST (10S/25S, EAST COAST/55E): WIND : Variable 05 to 10 in the south at first, otherwise S to SE 15 to 25, reaching 30 in the north-west at times. VIS : Moderate in showers and rain in places. SEA STATE: 3.0 to 3.5m in the south from the morning, with SE swell. MARION FORTIES EAST (40S/50S, 35E/50E): WIND : W to SW 20 to 30 reaching 35 to 40 in the south and eastern parts at first. It will become W to NW 20 to 30 in the west from the morning, reaching 35 to 40 towards the end of the period. VIS : Good but moderate in rain and snow-showers over the south and eastern parts until mid-period, as well as in the west by the end of the period. SEA STATE: 4.0 to 6.0m reaching 7.0 to 8.0m in the east 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) 26/09/13 AT 1730UTC AVERAGED WIND SPEED ON BEAUFORT SCALE. (Wind gusts may be about 40% stronger than the averages given here). PART 1: WARNING - Gale over WAM and AMS.- Gale to strong gale over CRO and KER. PART 2: GENERAL SYNOPSIS, 26/09/13 AT 1200UTC - High 1030 hPa near 42S/32E, expected1037 hPa near 35S/48E at end. Low 975 hPa near 47S/79E, leaving the area at the start with an associated cold front (CF). Cold front CG axis 37S/53E, 49S/65E, moving rapidly eastward, with formation of deepening low, expected 982 hPa near 45S/71E at 00 UTC the 14/09, then 968 hPa near 48S/79E at the end. PART 3: FORECAST FOR 24 HOURS FROM 26/09/13 at 1800UTC to 26/09/14 at 1800UTC WAM (30S/40S, 50E/65E) Rain or frontal showers.loc thunderstorm l GC. WIND : Southwest 6/7, increasing soon 7/8, decreasing during the day Southerly 4/5 in west. SEA : rough to very rough, becominghigh from south. Arrival of SW swell 4 to 7 meters VIS : poor in precipitation. AMS (30S/40S, 65E/80E) Rain or frontal showers.loc thunderstorm, CF over eastern a first, then CG. WIND : Westerly 4/5, increasing soon Westerly to South-West 6/7, then later SW 7/8 in the west, but Northwest 5/6, locally 7 ahead of the front in the far northeast at first. SEA : Rough to very rough, becoming high in west later. Southwest swell 3 to 5 meters, reaching 5 to 7 meters in the southwest atend. VIS : Poor in precipitation. CRO (40S/50S, 50E/65E) Rain or frontal showers CG,.loc thunderstorm, snow in south. WIND : south-westerly 7/8, reaching locally 9 in southeast, decreasing 6/7 in the south at end. SEA : very rough to high, becoming high. Westerly swell 2 to 4 meters, then southwest 4 to 7 meters. VIS : very poor in precipitation. KER (40S/50S, 65E/80E) Rain or frontal showers. CG , CF over south-east at first,loc thunderstorm, snow in the south. WIND : Northern half: westerly 5/6, locally 7; increasing north- westerly 7/8 ahead of the front, backing southwest 6/7 behind the front, then 7/8 in the west later on.Southern half: westerly 4/6, but southwest 7/8 in the far southeast at first, becoming soon clockwise 7/8, locally 9, in the east with in west Southwesterly 6/7, locally 8/9over north-west. SEA : rough to very rough, locally high in east at first, then later becoming high in west. Southwest swell 3 to 6 meters in northeast, then arrival of a Southwest swell 4/7 meters. VIS :very poor in precipitation.