{"title":"Bulletinset for METAREA 7","date":"2026-08-21 01:02:23","bulletin":[{"label":"HIGH SEAS FORECAST","content":{"1":"FQZA31 FAPR 201700","2":"WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.","3":"ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE","4":"20th OF AUGUST 2026 AT 17:00 UTC.","5":"FOR SOUTH-EAST SECTOR OF METAREA. VII, PREPARED BY REUNION, SEE AREA 2","6":"BELOW.","7":"NOTE: WX OBSERVATIONS.","8":"======================","9":"COULD ALL VESSELS EXPERIENCING UNEXPECTED, SEVERE WX\/SEA STATE PLEASE","10":"MAKE EVERY EFFORT TO REPORT THIS TO SAWS VIA CAPE TOWN RADIO.","11":"AREA 1:","12":"=======","13":"FORECAST VALID FROM 202200 TO 212200 UTC:","14":"WIND IN KNOTS, WAVE HEIGHTS IN METERS. NO SEA STATE GIVEN IF WAVES LESS THAN 3M.","15":"NOTE THE WIND SPEEDS QUOTED HERE ARE THE EXPECTED AVERAGE SPEEDS.","16":"INDIVIDUAL GUSTS MAY EXCEED THESE VALUES BY A FACTOR OF UP TO 1.5.","17":"WAVE HEIGHTS ARE SIGNIFICANT WAVE HEIGHTS, WHICH MAY BE ACCOMPANIED BY INDIVIDUAL WAVES 1.5 TO 2.0 TIMES HIGHER.","18":"GALE FORCE WARNINGS:","19":"====================","20":"1. MARION FORTIES EAST: NW 35 to 40 in the extreme east until mid-period,","21":" otherwise W to SW 35 to 40, moderating from the west","22":" from mid-period.","23":"SYNOPTIC CHART 12:00Z","24":"=====================","25":"High 1028 hPa 33s09e.","26":"Low 988 hPa 46s08w, Low 1020 hPa 28s34e, Low 968 hPa 51s55e","27":"1. Cold front: 28s19w 34s10w 39s07w into 46s08w","28":"2. Cold front: 34s44e 40s52e 44s54e into 51s55e","29":"AREA FORECAST:","30":"==============","31":"ASCENSION (06S\/15S, 00E\/20W):","32":"WIND : E to SE 10 to 20.","33":"VIS : Good, but moderate in showers and rain in the extreme west until","34":" mid-period.","35":"ANGOLA (06S\/15S, 00E\/00N):","36":"WIND : S to SE 10 to 15 but SW 05 to 10 in the east where it will become","37":" variable 05 to 10 by mid-period.","38":"VIS : Good.","39":"ST HELENA (15S\/30S, 00E\/20W):","40":"WIND : E to SE 05 to 15 in the north and south-west, otherwise N to NW 10","41":" to 20.","42":"VIS : Good but moderate in showers and rain in the south until the end","43":" of the period.","44":"SEA STATE: 3.0m in the central south until mid-period, with W to SW swell.","45":"TRADES (15S\/30S, 00E\/WEST COAST):","46":"WIND : S to SE 10 to 20 but N to NW 05 to 15 in the extreme south-west,","47":" while variable 05 to 10 in the extreme north-east until mid-","48":" period.","49":"VIS : Good.","50":"SEA STATE: 3.0m in the south-east at first, with S swell.","51":"TRISTAN (30S\/40S, 00E\/20W):","52":"WIND : N to NW 20 to 30 in the extreme east at first, otherwise W to SW","53":" 15 to 25. It will become NW 15 to 25 in the extreme west from mid-","54":" period.","55":"VIS : Good, but moderate to poor in showers and rain in the extreme east","56":" at first.","57":"SEA STATE: 3.0 to 4.0m except in the extreme north-east, with W to NW swell.","58":"CAPE WEST (30S\/40S, 00E\/20E):","59":"WIND : S to SE 10 to 20 in the north-east, otherwise N to NW 15 to 25,","60":" reaching 30 in the south. It will become W to SW 15 to 25 from the","61":" west from mid-period.","62":"VIS : Good but moderate in showers and rain in the west, spreading to","63":" the south from mid-period, while clearing from the west towards","64":" end of the period.","65":"SEA STATE: 3.0 to 4.0m in the south, with SW swell, but W to NW in the south-","66":" west, spreading to the extreme south-east towards end of the","67":" period.","68":"CAPE EAST (32.5S\/40S, 20E\/50E):","69":"WIND : W to SW 15 to 25, reaching 30 in the south-east, becoming E to NE","70":" 10 to 20 in the north-west from mid-period. It will become NW 15","71":" to 25 in the extreme south-west towards end of the period.","72":"VIS : Moderate in showers and rain in the south, while clearing from the","73":" west from mid-period, otherwise good.","74":"SEA STATE: 3.0 to 4.0m, reaching 5.0 to 5.5m in the south-east, but 6.0 to","75":" 6.5m in the extreme south-east towards end of the period, with W","76":" to SW swell.","77":"DURBAN EAST (32.5S\/25S, EAST COAST\/55E):","78":"WIND : W 10 to 20 in the south-east at first, otherwise variable 05 to","79":" 10, but S to SE 10 to 20 in the north-west until mid-period.","80":"VIS : Good but moderate in showers and thundershowers in the east.","81":"SEA STATE: 3.0 to 3.5m in the south, reaching 4.0m in the central south and","82":" extreme south-east towards end of the period, S to SW swell.","83":"MOZAMBIQUE CHANNEL:","84":"WIND : S to SE 10 to 20.","85":"VIS : Good but moderate in showers in the north until mid-period.","86":"MADAGASCAR EAST (10S\/25S, EAST COAST\/55E):","87":"WIND : E to SE 10 to 20, but N to NE 05 to 15 in the south.","88":"VIS : Good but moderate in showers and rain in the north.","89":"MARION FORTIES EAST (40S\/50S, 35E\/50E):","90":"WIND : NW 30 to 40 in the extreme east until mid-period, otherwise W to","91":" SW 30 to 40, moderating to 15 to 25 from the west from mid-period.","92":"VIS : Moderate to poor in showers and rain with snow showers in the","93":" south, becoming good from the west from mid-period.","94":"SEA STATE: 5.0 to 6.0m, reaching 7.0 to 8.0m in places in the west, spreading","95":" to the central and north-east from mid-period, with W to SW swell.","96":"AREA 2:","97":"=======","98":"MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE\/LA REUNION ON AREA","99":"ACK (AMSTERDAM-CROZET-KERGUELEN)","100":"26\/08\/20 AT 1700UTC","101":"AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40%","102":"STRONGER THAN THE AVERAGES GIVEN HERE).","103":"PART 1: WARNING","104":"- FORCE 8 GALE OVER WAM AND AMS.- STRONG GALE FORCE 9 GALE OVER CRO","105":"AND KER","106":"PART 2: GENERAL SYNOPSIS, 26\/08\/20 AT 1200UTC","107":"CF COLD FRONT OVER NORTH-EASTERN AMS, LEAVING THE AREA AT THE STARTCG","108":"COLD FRONT AXIS 39S\/50E, 49S\/54E, MOVING RAPIDLY EASTWARDS WITH A","109":"DEEPENING LOW 969 HPA NEAR 51S\/55E.CH COLD FRONT ARRIVING FROM THE","110":"WEST OVER CRO AT THE END.HIGH 1024 HPA AROUND 24S\/63E WITH A RIDGE","111":"MOVING SOUTH-EASTWARDS.","112":"PART 3: FORECAST FOR 24 HOURS FROM 26\/08\/20 AT 1800UTC TO 26\/08\/21","113":"AT 1800UTC","114":"WAM (30S\/40S, 50E\/65E)","115":"RAIN AND FRONTAL SHOWERS, WITH CG STORMS. GUSTS. WIND: NORTH-WESTERLY","116":"4 TO 7 FROM NORTH TO SOUTH AHEAD OF THE FRONT, REACHING LOCALLY 8 IN","117":"THE SOUTH-EAST, BACKING SOUTH-WESTERLY 6\/7 BEHIND, LOCALLY 8 IN THE","118":"SOUTH-EAST, DECREASING DURING THE DAY 4\/5 THEN LATER BECOMING","119":"ANTICLOCWIZE 2\/4 IN THE NORTH AND SETTLING WESTERLY 6\/7 IN THE","120":"SOUTH, LOCALLY REACHING 8 IN THE FAR SOUTH.SEA: ROUGH TO VERY ROUGH","121":"FROM NORTH TO SOUTH, BECOMING HIGH IN THE FAR SOUTH-WEST AT END.","122":"SOUTH-WESTERLY SWELL 3\/5 METRES BEHIND THE FRONT. VISI: POOR TO VERY","123":"POOR IN PRECIPITATION.","124":"AMS (30S\/40S, 65E\/80E)","125":"RAIN AND SHOWERS IN THE NORTH-EAST AT FIRST WITH CF, THEN RAIN,","126":"SHOWERS AND SQUALLS WITH CG. VIOLENT GUSTS IN THE","127":"SOUTHWIND:ANTICLOCKWISE 2\/4 WITH SOUTH-WESTERLY 5\/6 IN THE","128":"SOUTH-EAST, SETTLING NORTH-WESTERLY 6\/7 LOCALLY 8FROM THE SOUTH-WEST","129":"AHEAD THE FRONT CG, BACKING SOUTH-WESTERLY 5\/6 BEHIND THE FRONT,","130":"LOCALLY 7\/8 IN THE SOUTH, DECREASING 3\/4 IN THE WEST AT END.SEA:","131":"ROUGH TO VERY ROUGH, HIGH IN THE SOUTH-EAST AT FIRST. SOUTH-WESTERLY","132":"SWELL 4\/6 METERS, ABATING, THEN SOUTH-WESTERLY SWELL 3\/5 METERS","133":"BEHIND THE FRONT CG.VISI: POOR TO VERY POOR IN PRECIPITATION.","134":"CRO (40S\/50S, 50E\/65E)","135":"RAIN AND FRONTAL SHOWERS, WITH SQUALL WITH CG, THEN LATER CH. VIOLENT","136":"GUSTS. SNOW IN THE SOUTH.WIND:NORTH-WESTERLY 7\/8, LOCALLY 9 AHEAD OF","137":"CG, AND SOUTH-WESTERLY 7\/8, LOCALLY 9 BEHIND, SOON DECREASING","138":"TEMPORARILY WESTERLY 6\/7, THEN INCREASING LATER NORTH TO","139":"NORTH-WESTERLY 7\/8 LOCALLY 9 AHEAD CH, THEN BACKING AT END WESTERLY","140":"THEN SOUTH-WESTERLY 7\/8 LOCALLY 9 IN THE WEST.SEA: VERY ROUGH TO","141":"HIGH. NORTH-WESTERLY SWELL 3\/4 METERS AHEAD OF THE FRONT AND","142":"WESTERLY SWELL 4\/6 METERS BEHIND.VISI: VERY POOR IN PRECIPITATION.","143":"KER (40S\/50S, 65E\/80E)","144":"RAIN AND FRONTAL SHOWERS, THUNDERSTORMS CG. VIOLENT GUSTS. SNOW IN","145":"THE SOUTH.WIND:NORTHERLY TO NORTH-WEST 5\/6, THEN 7\/8 AHEAD OF THE","146":"FRONT, BACKING SOUTH-WEST 6\/7, LOCALLY 8\/9 IN THE NORTH, DECREASING","147":"LATER WESTERLY 4\/6 IN THE WEST, BUT AT FIRST SOUTH-WEST 4\/6 IN THE","148":"EAST, REACHING 7 IN THE NORTH-EASTSEA: VERY ROUGH TO HIGH, LOCALLY","149":"ROUGH IN THE SOUTH-EAST. SOUTH-WESTERLY SWELL 3\/6 METERS ABATING,","150":"THEN NORTH-WESTERLY SWELL 3\/4 METERS AHEAD CG AND WESTERLY SWELL 3\/5","151":"METER BEHIND IT.VISI: VERY POOR IN PRECIPITATION.="}}]}