GMDSS_METAREA7_INMARSAT ========== Caution: NAVIMAIL is not part of the Maritime Safety Information's operational data stream and should never be relied upon as the only means to obtain the latest forecast and warning information. Access to the service may be interrupted or delayed from time to time, update may also experience occasional gaps. Please refer to GMDSS OFFICIAL sources, Inmarsat SafetyNET or international NAVTEX services, for more complete information ========== FQZA31 FAPR 121800 SECURITE: ========= WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 12th OF MARCH 2010 AT 18:00 UTC FOR SOUTHEAST 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 122200 TO 132200 UTC. WIND IN KNOTS, WAVE HEIGHTS IN METRES. 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 WARNING(S): ================ 1. DURBAN EAST: NE to SE 30 to 35 near the coast of Madagascar. SYNOPTIC SITUATION AT 12:00 UTC =============================== High 1022 hPa 33s04e High 1026 hPa 35s59e Low 1010 hPa 29s16w Low 1004 hPa 43s29e Low 970 hPa 57s14e Low 980 hPa 56s01w 1. Cold front: 35s08e 40s20e 47s24e 55s22e 57s14e AREA FORECAST: ============== ASCENSION (06S/15S, 00E/20W) WIND : SE 10 to 15. VIS : Good. ANGOLA (06S/15S, 00E/WEST COAST) WIND : SE 15 in the south-west, otherwise S to SW 05 to 15. VIS : Good. ST HELENA (15S/30S, 00E/20W) WIND : NE to NW 15 to 25 in the south-west where it will become variable 05 to 10 towards end of period, otherwise E to SE 10 to 15 reaching 20 to 25 in the north-east later. VIS : Moderate to poor in showers and thundershowers. SEA STATE: Reaching 3.0m in the extreme south-east, mainly SSW swell. TRADES (15S/30S, 00E/WEST COAST) WIND : SE 15 to 25 reaching 30 in the extreme south-east towards end of period. VIS : Good. SEA STATE: Becoming 3.0 to 3.5m, except in the north-west, SW swell. TRISTAN (30S/40S, 00E/20W) WIND : Variable 05 to 10 in the east at first, otherwise NE to NW 10 to 20 reaching 25 to 30 in the south-west. VIS : Moderate to poor in rain and showers, mainly in the west. SEA STATE: 3 to 4m, moderating from the west, mainly SW swell. CAPE WEST (30S/40S, 00E/20E) WIND : NW to SW 15 to 25 in the south-east at first, otherwise S to SE 15 to 20 reaching 25 in the north-east towards end of period. It will become anti-cyclonic (anti-clockwise) 05 to 10 in the south-west from mid-period. VIS : Moderate in frontal rain and showers in the south. SEA STATE: 4 to 5m in the south at first, otherwise 3 to 4m, mainly SW swell. CAPE EAST (32.5S/40S, 20E/50E) WIND : West of 35E: NW to SW 15 to 25 East of 35E: N 15 to 25 becoming W 15 to 20 in the west. VIS : Moderate in rain and showers. SEA STATE: 3 to 4m in the west, variable swell direction. DURBAN EAST (25S/32.5S, EAST COAST/55E) WIND : West of 35E: SE to SW 10 to 15. East of 35E: NE to SE 15 to 25 reaching 30 to 35 near the coast of Madagascar. VIS : Moderate to poor in showers and thundershowers, heavy in the central parts. SEA STATE: 3.0 to 3.5m in the central parts, variable swell direction. MOZAMBIQUE CHANNEL: WIND : North of 20S: NW to W 10 to 15 in the north, otherwise variable 10. South of 20S: SE to SW 10 to 15 becoming cyclonic (clockwise) 15 to 20 in the east. VIS : Moderate to poor in showers and thundershowers, heavy in the north. MADAGASCAR EAST: WIND : Cyclonic (clockwise) 15 to 20 in the extreme north, otherwise E to NE 20 to 30. VIS : Poor in heavy showers and thundershowers. SEA STATE: 3.0m to 3.5m in the extreme south-west, moderating, with SSW swell. MARION FORTIES EAST: (40S/50S, 35E/50E) WIND : NE to NW 10 to 20 becoming 15 to 25 and reaching 30 in some places in the south. VIS : Moderate to poor in frontal rain and showers. SEA STATE: 3.0m in the south, SW swell. AREA 2: ======= MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN) DATE : 12/03/10 UTC TIME : 0600 AVERAGED WIND SPEED ON BEAUFORT SCALE WIND GUSTS MAY BE ABOUT 40% STRONGER THAN THE AVERAGES GIVEN HERE. PART 1: WARNING : STRONG GALE FORCE 9 RUNNING AND EXPECTED OVER KER. PART 2: GENERAL SYNOPSIS, 12/03/10 AT 0000 UTC: HIGH 1026 HPA NEAR 36S/54E, STATIONNARY EXTENDING BY A SOUTHEASTWARD THEN EASTWARD RIDGE. COLD FRONT CF AXIS 33S/65E, 29S/74E, 35S/89E, 41S/95E LEAVING AREA. COLD FRONT CG AXIS 43S/48E, 44S/54E, 46S/63E AND WARM FRONT WG AXIS 42S/78E, 45S/70E, 46S/63E WITH LOW 1011 HPA NEAR 46S/63E, MOVING EASTWARD 35 KT. COLD FRONT CH AXIS 49S/62E, 55S/69E, 59S/67E MOVING EAST-NORTH-EASTWARD 40 KT. PART 3: FORECAST FOR 24 HOURS FROM 12/03/10 AT 0600 UTC TO 13/03/10 AT 0600 UTC: WAM (30S/40S,50E/65E) : SCATTERED SHOWERS. WIND: ANTICLOCKWISE 3/5 SETTING UP N 4/5 BY WESTERN AREA. SEA : MODERATE TO ROUGH OVER SOUTHEASTERN AREA. VIS : MODERATE IN SHOWERS. AMS (30S/40S,65E/80E) : SCATTERED SHOWERS. WIND: SOUTHERLY 4 TO 6 FROM WESTERN TO EASTERN, SETTING UP W 4/6 OVER SOUTHERN AREA BACKING S-E 4/5 OVER NORTHERN AREA. SEA : MODERATE TO ROUGH, VERY ROUGH OVER SOUTHEASTERN AREA. MODERATE SOUTHWESTERLY SWELL. VIS : MODERATE IN SHOWERS. CRO (40S/50S,50E/65E) : RAIN AND SHOWERS IN CG AND WG. WIND: W TO NW 5/7 BACKING SOUTHWESTERLY 5/7 BEHIND CG, THEN BECOMING ANTICLOCKWISE 3/5 OVER NORTHEASTERN AREA. SEA : MODERATE TO ROUGH, BECOMING VERY ROUGH TO HIGH OVER SOUTHERN AREA. MODERATE TO HEAVY SW SWELL OVER SOUTHERN. VIS : POOR IN RAIN AND SHOWERS. KER (40S/50S,65E/80E) : FRONTAL RAIN AND SHOWERS. WIND: NORTHWESTERLY 7/8 LOCALLY 9 AHEAD CG BACKING W TO SW 6/8 BEHIND SEA : VERY ROUGH TO HIGH BECOMING VERY HIGH OVER SOUTHERN AREA. MODERATE TO HEAVY SOUTHWESTERLY SWELL. VIS : POOR IN RAIN AND SHOWERS.= ==========