Bulletinset for METAREA 7 Edition date (UTC): 2026-09-13 11:24:25 ============================ HIGH SEAS FORECAST ============================ FQZA31 FAPR 130830 WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 13th OF SEPTEMBER 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 131000 TO 141000 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 central and southern parts, spreading to the south-east by the evening, while moderating in the south and central parts. 2. CAPE WEST: N to NW 35 in the south-west from the evening until tomorrow morning, but cyclonic 35 in the south- eastern parts until tomorrow morning. 3. CAPE EAST: E to NE 35 to 40 in places in the west and north, but S to SW 35 in the south-east until mid-period. 4. DURBAN EAST: E to NE 35 to 40 in the south-west Overnight. 5. MARION FORTIES EAST: W to SW 35 to 40 in the central, south and eastern parts, moderating in the central from mid-period, as well as south and eastern parts tomorrow morning. SYNOPTIC CHART 06:00Z ===================== High 1028 hPa 40s30e Low 1012 hPa 30s10e, Low 968 hPa 40s11w 1. Cold Front: 27s29w 33s19w 38s13w into 40s11w 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 20 to 30 in the south and south-west, spreading to the south-east from mid-period, otherwise anti-cyclonic 05 to 15. VIS : Good but moderate in showers and rain in the south-west, spreading to the south from mid-period. SEA STATE: 3.0 to 4.0m in the east and south-west, subsiding in the east from the evening, with SE swell. TRADES (15S/30S, 00E/WEST COAST): WIND : S to SW 05 to 15 in the north, otherwise cyclonic 15 to 25. It will become W to NW 15 to 25 in the south tomorrow morning. VIS : Good but moderate in showers and thundershowers in the south and south-east. SEA STATE: 3.0 to 4.0m in places in the southern half until tomorrow morning, with S to SE swell. TRISTAN (30S/40S, 00E/20W): WIND : N to NW 15 to 25, reaching 30 to 40 in the central and southern parts, spreading to the south-east by the evening, while moderating in the south and central parts, but S to SW 15 to 25 in the west and south-west, spreading to the central and south-east from tomorrow morning. VIS : Good but moderate to poor in showers and rain in the central, south and west, spreading to the east from the evening, while clearing in the west. SEA STATE: 3.0 to 4.0m reaching 5.0 to 6.0m in the southern parts, with W to SW swell. CAPE WEST (30S/40S, 00E/20E): WIND : N to NW 20 to 30 in the west and south-west, reaching 35 in the south-west from the evening until tomorrow morning, otherwise cyclonic 15 to 25, reaching 30 to 35 in the south- eastern parts until tomorrow morning. VIS : Good but moderate to poor in showers and thundershowers in the central and eastern half. It will become moderate in showers and rain in the west and south-west from the evening. SEA STATE: 3.0 to 4.0m reaching 4.5m in the central and south-east, subsiding in the central from the evening, with S to SE swell, but NW in the south-west. CAPE EAST (32.5S/40S, 20E/50E): WIND : E to NE 20 to 30 in the west and north, reaching 35 to 40 in places, but S to SW 20 to 30 in the east and south-east, reaching 35 in the south-east until mid-period, 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 west, south and eastern parts, with SW swell in the east and south, but E to SE in the west. 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 Overnight. VIS : Good but moderate in showers and rain in the north-east and south-west, spreading to the west from mid-period. SEA STATE: 3.0 to 4.0m in the southern parts, spreading to the central, east and northern parts from mid-period, while reaching 4.5 to 5.5m in the south-east, with E to SE 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 in the south-east from this evening. VIS : Good. SEA STATE: 3.0 to 4.0m in the south and south-east from tomorrow morning, with SE swell. MADAGASCAR EAST (10S/25S, EAST COAST/55E): WIND : Variable 05 to 10 in the south until mid-period, otherwise S to SE 15 to 25. VIS : Good but moderate in showers and rain in the north, spreading to the south from mid-period. SEA STATE: 3.0 to 3.5m in the south from tomorrow morning, with SE swell. MARION FORTIES EAST (40S/50S, 35E/50E): WIND : W to SW 20 to 30 reaching 35 to 40 in the central, south and eastern parts, moderating in the central from mid-period, as well as south and eastern parts tomorrow morning. VIS : Good but moderate in rain and snow-showers over the south and eastern parts. SEA STATE: 5.0 to 7.0m reaching 7.5 to 8.5m in the south and eastern parts until tomorrow morning, subsiding to 3.5 to 4.0m in the west overnight, 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 0500UTC AVERAGED WIND SPEED ON BEAUFORT SCALE. (Wind gusts may be about 40% stronger than the averages given here). PART 1: WARNING - Gale expected over WAM at end.- Gale continuing over CRO.- Gale or strong gale continuing over KER. PART 2: GENERAL SYNOPSIS, 26/09/13 AT 0000UTC - Low 981 near 44S/72E, moving south eastward and deepening, expected 966 near 49S/82E at 18UTC. Associated cold front spreading over NW.- Cold front axis 38S/50E, 45S/57E, moving eastward.- Deepening low expected 979 near 46S/75E at 06UTC the 09/14. Associated cold front spreading over N. PART 3: FORECAST FOR 24 HOURS FROM 26/09/13 at 0600UTC to 26/09/14 at 0600UTC WAM (30S/40S, 50E/65E) Frontal rain or showers. WIND : SW 5 or 6, at times over southwestern, soon increasing SW 6 or 7, then 7 or 8 at end. Severe gusts. SEA : rough or very rough, increasing very rough or high over southern at end. SW swell 3 or 4 meters at first, decreasing, then new SW swell 4 or 5 meters over western at end. VIS : poor with precipitation. AMS (30S/40S, 65E/80E) Frontal rain or showers. WIND : NW 5 or 6, locally 7 ahead the front, backing SW 5 or 6 behind the front, increasing W 6 or 7 from west later. Gusts. SEA : rough or very rough. SW swell 3 to 5 meters, decreasing later. VIS : poor with precipitation. CRO (40S/50S, 50E/65E) Frontal rain or showers. Snow showers over southern. WIND : W 5 or 6 over eastern, 6 or 7, at times 8, over western, soon increasing 7 or 8. Severe gusts. SEA : rough or very rough, soon becoming high from west. Cross sea later with W swell 5 or 6 meters over western. VIS : poor with precipitation. KER (40S/50S, 65E/80E) Frontal rain or showers. Few snow showers over southern. WIND : clockwise 7 or 8, at times 9, over eastern at first, but SW 4 or 5 over western, later increasing from west NW 6 or 7, at times 8, ahead the front, backing SW 6 or 7 behind the front. Severe gusts. SEA : rough to very rough, locally high over northern the low. SW swell 3 to 4 meters. VIS : poor with precipitation.