Bulletinset for METAREA 7 Edition date (UTC): 2025-07-11 08:15:10 ============================ HIGH SEAS FORECAST ============================ FQZA31 FAPR 101600 WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 10TH OF JULY 2025 AT 16:00 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 102200 to 112200 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: W to NW 35 in the south and south-east by the end of the period. 2. CAPE WEST: W to SW 35 to 40 in the east and south-east, moderating in the east from mid-period as well as in the south-east by the end of the period. 3. CAPE EAST: W to NW 35 to 40 in the west and south-west, spreading to the south from the morning, as well as south-east towards the end of the period, moderating in the west from early evening. 4. MARION FORTIES EAST: W to NW 35 to 40 in the southern half, spreading to the northern parts from mid-period. SYNOPTIC CHART 12:00Z ===================== High 1032 hPa 35s20w, High 1036 hPa 34s56e Low 995 hPa 47s12e, Low 956 hPa 60s48e 1. Cold Front: 39s34e 44s48e 48s54e 53s57e 58s55e into 60s48e AREA FORECAST: ============== ASCENSION (06S/15S, 00E/20W): WIND : E to SE 05 to 15. VIS : Good, but moderate in light rain in the south-west. ANGOLA (06S/15S, 00E/00N): WIND : S to SE 10 to 20, but SW 05 to 10 in the east. VIS : Good. ST HELENA (15S/30S, 00E/20W): WIND : S to SE 10 to 20, reaching 25 to 30 in the eastern parts until mid-period. VIS : Good in the south and south-west, otherwise moderate in rain and showers in places. SEA STATE: 3.0 to 4.0m in the south, central and east, with S to SW swell. TRADES (15S/30S, 00E/WEST COAST): WIND : S to SE 05 to 15, reaching 20 to 25 in the south-west until mid- period, as well as in the central parts, spreading to the south- east from mid-period. VIS : Good, but moderate in rain and showers in places in the southern parts. SEA STATE: 3.0 to 4.0m in the south, spreading to the north by the end of the period, while reaching 4.5m in the south from mid-period, with S to SW swell. TRISTAN (30S/40S, 00E/20W): WIND : Anticyclonic 05 to 15, but W to NW 20 to 30 in the south-west, spreading to the south-east towards mid-period, reaching 35 in the south and south-east by the end of the period. VIS : Good, but moderate in rain and showers in the south-west from the Morning, spreading to the south-east by the end of the period. SEA STATE: 3.0 to 4.0m, reaching 5.0 to 6.0m in the east and south-east during the first half of the period, with S to SW swell. CAPE WEST (30S/40S, 00E/20E): WIND : W to SW 15 to 25, but 30 in the south, reaching 35 to 40 in the east and south-east, moderating in the east from mid-period as well as in the south-east by the end of the period. It will become anti-cyclonic 05 to 15 in the north from the evening. VIS : Good, but moderate in showers and rain in the south and eastern half, clearing in the south and north-east from mid-period. SEA STATE: 3.5 to 4.0m in the north, otherwise 5.0 to 6.0m reaching 7.0 to 7.5m in the southern parts, subsiding in the south-west from mid-period, with S to SW swell. CAPE EAST (32.5S/40S, 20E/50E): WIND : W to NW 10 to 20, reaching 30 to 40 in the in the west and south- west, spreading to the south from the morning, as well as south- east towards the end of the period, moderating in the west from early evening. VIS : Good, but moderate in rain and showers in the west, spreading to the east by the end of the period. SEA STATE: 3.0 to 4.0m in the east, otherwise 5.0 to 6.0m, reaching 7.0 to 8.0m in the west, spreading to the central part by the end of the period, with W to SW swell. DURBAN EAST (32.5S/25S, EAST COAST/55E): WIND : E to NE 10 to 20, reaching 25 to 30 in places in the west, north and north-east. VIS : Good, but moderate in showers and rain in the north-east, spreading to the south from mid-period. SEA STATE: 3.0 to 4.0m in the south-west, north and north-east, with E to SE Swell, but W to NW in the south-west. MOZAMBIQUE CHANNEL: WIND : NE 05 to 15 in the south-west, otherwise E to SE 10 to 20, reaching 25 to 30 in the south-east and northern parts at times. It will become variable 05 to 10 in the central parts from mid- period. VIS : Good, but moderate in rain and showers in place in the west and northern parts until mid-period. SEA STATE: 3.0m in the southern parts at first, with S to SE swell. MADAGASCAR EAST (10S/25S, EAST COAST/55E): WIND : E to SE 15 to 25, reaching 30 in places in the east and northern parts. VIS : Moderate in rain and showers in places. SEA STATE: 3.0 to 4.0m, reaching 4.5m in the east at times, with E to SE swell. MARION FORTIES EAST (40S/50S, 35E/50E): WIND : W to NW 20 to 30, reaching 35 to 40 in the southern half, spreading to the northern parts from mid-period. VIS : Good in the east and central parts during the first half of the period, otherwise moderate to poor in showers and rain and possible snow in the south-west by the end of the period. SEA STATE: 5.0 to 6.0m, reaching 6.5 to 7.0m in the south and south-west, spreading to the east and northern parts 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) 25/07/10 AT 1600UTC AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40% STRONGER THAN THE AVERAGES GIVEN HERE). PART 1: WARNING - GALE FORCE 8 OVER CRO AND KER. PART 2: GENERAL SYNOPSIS, 25/07/10 AT 1200UTC - LOW 948 HPA NEAR 60S/48E WITH COLD FRONT ASSOCIATED AND AXIS 42S/47E, 46S/55E, 54S/61E, 60S/53E MOVING EASTWARD 15KT. - HIGH 1038 HPA OVER WAM AND AMS , ALMOST STATIONARY. PART 3: FORECAST FOR 24 HOURS FROM 25/07/10 AT 1800UTC TO 25/07/11 AT 1800UTC WAM (30S/40S, 50E/65E) SCATTERED SHOWERS OVER SOUTHERN AREA. WIND : ANTICLOCKWISE 3 TO 5. SEA : MODERATE TO ROUGH. SW WELL 2 TO 3 M. VIS : GOOD. AMS (30S/40S, 65E/80E) SCATTERED SHOWERS. WIND : SW 5 THEN ANTICLOCKWISE 3 TO 5. SEA : ROUGH LOCALLY VERY ROUGH OVER EASTERN AREA BECOMING MODERATE TO ROUGH. SW SWELL 2 TO 4 M. VIS : GOOD. CRO (40S/50S, 50E/65E) FRONTAL RAIN AND SHOWERS. WIND : W TO NW 6/7 LOCALLY 8 OVER WESTERN AREA AT END. GUSTS. SEA : ROUGH TO VERY ROUGH FROM NORTH TO SOUTH. W SWELL 3 TO 5 METERS FROM NORTH TO SOUTH. VIS : POOR IN PRECIPITATION. KER (40S/50S, 65E/80E) FRONTAL RAIN AND SHOWERS. WIND : INCREASING NW 4 TO 6, LOCALLY 7 AHEAD FRONT THEN VEERING SW 5 TO 7 LOCALLY 8 BEHIND AT END. GUSTS. SEA : ROUGH TO VERY ROUGH. W SWELL 3 TO 5 M. VIS : POOR IN PRECIPITATION.