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SECURITE
WEATHER AND SEA BULLETIN ISSUED 03/SEP/2026 0000Z
DATE AND TIME UTC
PRESSURE HPA
WINDS BEAUFORT SCALE
WAVES HEIGHT METER
PART ONE WARNINGS
WARNING NR 620/2026
NEAR GALE WARNING-MUITO FORTE
ISSUED AT 1400 TUE 01/SEP/2026
OCEANIC AREA BETWEEN 29S049W, 31S043W, 36S048W AND
35S051W STARTING AT 030600. WIND NW/SW BACK TO SW/S, 7
WITH GUSTS 8.
VALID UNTIL 041200.
WARNING NR 631/2026
VERY ROUGH SEA WARNING
ISSUED AT 1400 TUE 01/SEP/2026
OCEANIC AREA BETWEEN 30S030W, 30S020W, 36S020W AND
36S030W STARTING AT 020000. WAVES NE/NW BECOMING NW/SW
4.0/6.0 .
VALID UNTIL 040000.
THIS WARNING REPLACES THE WARNING NR 619/2026.
WARNING NR 632/2026
GALE WARNING-DURO
ISSUED AT 1400 TUE 01/SEP/2026
OCEANIC AREA BETWEEN 36S048W, 30S042W, 30S030W AND
36S030W STARTING AT 031200. WIND NW/SW 8 WITH GUSTS 9.
VALID UNTIL 050600.
WARNING NR 633/2026
NEAR GALE WARNING
ISSUED AT 1330 WED 02/SEP/2026
OCEANIC AREA BETWEEN 36S048W, 34S053W, 30S048W AND
32S044W STARTING AT 041200 WIND SW 7 WITH GUSTS.
VALID UNTIL 051200.
WARNING NR 634/2026
ROUGH SEA WARNING
ISSUED AT 1330 WED 02/SEP/2026
OCEANIC AREA BETWEEN 36S048W, 35S050W, 32S047W AND
32S044W STARTING AT 031200. WAVES NW BECOMING SW,
3.0/4.0.
VALID UNTIL 050000.
WARNING NR 635/2026
NEAR GALE WARNING
ISSUED AT 1330 WED 02/SEP/2026
OCEANIC AREA BETWEEN 29S049W, 27S047W AND 30S046W
STARTING AT 030900.
WIND N/NW 7 WITH GUSTS.
VALID UNTIL 040000.
WARNING NR 636/2026
NEAR GALE WARNING
ISSUED AT 1330 WED 02/SEP/2026
OCEANIC AREA BETWEEN 29S049W, 23S043W, 26S038W AND
31S043W STARTING AT 040000. WIND NE/NW 7 WITH GUSTS.
VALID UNTIL 051200.
WARNING NR 637/2026
GALE/SEVERE GALE WARNING
ISSUED AT 1330 WED 02/SEP/2026
OCEANIC AREA BETWEEN 36S035W, 30S035W, 30S020W AND
36S020W. WIND NE/N BACK TO NW/SW, 8/9 WITH GUSTS.
VALID UNTIL 031200.
THIS WARNING REPLACES THE WARNING NR 629/2026.
WARNING NR 638/2026
GALE/SEVERE GALE WARNING
ISSUED AT 1330 WED 02/SEP/2026
OCEANIC AREA BETWEEN 36S030W, 30S030W AND 36S020W
STARTING AT 041200.
WIND NE/NW 8/9 WITH GUSTS.
VALID UNTIL 051200.
WARNING NR 639/2026
VERY ROUGH SEA WARNING
ISSUED AT 1330 WED 02/SEP/2026
OCEANIC AREA BETWEEN 36S042W, 32S044W, 28S040W, 30S030W
AND 36S030W. WAVES NW/SW 4.0/6.0.
VALID UNTIL 031800.
THIS WARNING REPLACES THE WARNING NR 630/2026.
WARNING NR 640/2026
VERY ROUGH SEA WARNING
ISSUED AT 1330 WED 02/SEP/2026
OCEANIC AREA BETWEEN 36S044W, 32S044W, 32S030W AND
36S030W STARTING AT 040000. WAVES N/NW 4.0/6.0.
VALID UNTIL 050600.
PART TWO WEATHER ANALYSIS AT 030000
HIGH 1022 25S041W. C-FRONT 18S040W, 24S029W AND 35S023W
MOVING TO E/NE AT 10 KT.
INTERTROPICAL CONVERGENCE ZONE (ITCZ) 06N020W, 06N030W,
07N040W AND 04N050W.
PART THREE WEATHER FCST VALID FM 031200 TO 041200
AREA ALFA (FM CHUI TO LAGUNA)
SHWRS S OF 30S. WIND N/NW BACK SW, 5/7 WITH GUSTS.
WAVES NE BECMG SW, 1.5/2.0 NEAR THE COAST AND 2.0/3.5
ELSE. VIS MOD DURING SHWRS.
AREA BRAVO (FM LAGUNA TO ARRAIAL DO CABO OCEANIC)
SHWRS S OF 30S LATER. WIND NE/NW, 4/6 WITH GUSTS 7 W OF
043W AND 2/4 ELSE, BACK NW/SW 4/6 WITH GUSTS 7. WAVES
S/SE BECMG NE/N, 2.0/3.0. VIS MOD DURING SHWRS.
AREA CHARLIE (FM LAGUNA TO ARRAIAL DO CABO SHORE)
WIND NE/N 4/6, WITH GUSTS S OF 28S AND E OF 22S, BACK
NW/SW 2/4. WAVES SE 1.0/2.0 BECMG AND 1.5/2.5. VIS
GOOD.
AREA DELTA (FM ARRAIAL DO CABO TO CARAVELAS)
SHWRS N OF 20S. WIND SE/NE 3/5 BACK NE/N, 4/5 WITH
GUSTS 6 W OF 038W AND 2/4 ELSE. WAVES SW/SE 1.5/3.0
BECMG SE/E 1.0/2.5. VIS MOD DURING SHWRS.
AREA ECHO (FM CARAVELAS TO SALVADOR)
OCNL HVY SHWRS AND ISOL THUNDERSTORMS S OF 15S. WIND
SE/NE 3/5, WITH GUSTS S OF 18S, BECMG 2/3. WAVES NE
1.0/2.0, BECMG S/SE 2.0/2.5 S OF 15S. VIS MOD/POOR
DURING SHWRS.
AREA FOXTROT (FM SALVADOR TO NATAL)
ISOL SHWRS N OF 10S LATER. WIND SE/NE 3/5. WAVES SE/E
1.0/2.0. VIS MOD DURING SHWRS.
AREA GOLF (FM NATAL TO SAO LUIS)
ISOL SHWRS E OF 037W LATER. WIND SE/NE 3/5, WITH GUSTS
6 NEAR THE COAST. WAVES SE/NE 1.0/1.7. VIS MOD DURING
SHWRS.
AREA HOTEL (FM SAO LUIS TO OIAPOQUE)
WIND SE/NE 2/4. WAVES SE/NE, 0.5/1.0 NEAR THE COAST AND
1.0/1.5 ELSE. VIS GOOD.
SOUTH OCEANIC AREA
S OF 30S W OF 030W
OCNL HVY SHWRS AND ISOL THUNDERSTORMS W OF 033W. WIND
NW/N BACK W/SW, 6/8 WITH GUSTS W OF 040W AND NW/SW, 3/5
BECMG 6/8 WITH GUSTS ELSE. WAVES SW/SE BECMG NW/SW,
3.0/6.0. VIS MOD/POOR DURING SHWRS.
S OF 30S E OF 030W
ISOL SHWRS E OF 025W. WIND NW/SW 3/5 WITH GUSTS BACK
NE/NW 5/7 WITH GUSTS 8. WAVES NW/SW, 3.0/6.0 BECMG
3.0/4.0. VIS MOD DURING SHWRS.
BETWEEN 30S AND 25S
ISOL SHWRS E OF 030W. WIND ANTICYCLONIC 3/5, BACK NE/NW
5/6 WITH GUSTS 7 W OF 030W AND BACK SE/NE 3/5 ELSE.
WAVES NW/SW 2.5/5.0 BECMG SW/SE 2.5/3.0 W OF 025W AND
NE/NW BECMG SW, 2.0/3.5 ELSE. VIS MOD DURING SHWRS.
N OF 25S
OCNL HVY SHWRS AND ISOL THUNDERSTORMS S OF 20S AND W OF
025W. WIND SE/NE 2/4 N OF 20S AND S/SE BACK SE/NE, 3/5
WITH GUSTS ELSE. WAVES SE/NE 1.5/2.0 BECMG SW/S 2.0/2.5
N OF 20S AND SW/SE 2.5/3.0 S OF 20S. VIS MOD/POOR
DURING SHWRS.
NORTH OCEANIC AREA
OCNL HVY SHWRS AND ISOL THUNDERSTORMS N OF 02N. WIND
SE/NE 3/5 S OF 03S AND SW/SE 2/4 ELSE. WAVES SE/E
1.5/2.0. VIS MOD/POOR DURING SHWRS.
WEATHER FCST VALID FM 041200 TO 051200
AREA ALFA (FM CHUI TO LAGUNA)
WIND SW/S 5/7 WITH GUSTS, BECMG 2/4 NEAR THE COAST.
WAVES SW, 1.5/2.0 NEAR THE COAST AND 2.0/3.5 ELSE.
AREA BRAVO (FM LAGUNA TO ARRAIAL DO CABO OCEANIC)
WIND NE/NW 4/6 WITH GUSTS 7, BACK SW/SE 3/5. WAVES NE/N
2.0/3.0 BECMG SW/SE 1.5/2.5.
AREA CHARLIE (FM LAGUNA TO ARRAIAL DO CABO SHORE)
WIND NW/SW 3/5 BACK SW/SE 2/4. WAVES SE/E, 1.5/2.5
BECMG 1.0/2.0.
AREA DELTA (FM ARRAIAL DO CABO TO CARAVELAS)
WIND NE/N, 4/5 WITH GUSTS 6 W OF 038W AND 2/4 ELSE,
BACK NW/SW 2/4. WAVES SE/E, 1.0/2.5 BECMG 0.5/1.5.
AREA ECHO (FM CARAVELAS TO SALVADOR)
WIND SE/NE 2/3. WAVES SW/SE 1.5/2.0.
AREA FOXTROT (FM SALVADOR TO NATAL)
WIND SE/NE 3/5. WAVES SE/E 1.0/2.0.
AREA GOLF (FM NATAL TO SAO LUIS)
WIND SE/NE 3/5, WITH GUSTS 6 NEAR THE COAST. WAVES
SE/NE 1.0/1.7.
AREA HOTEL (FM SAO LUIS TO OIAPOQUE)
WIND SE/NE 3/5. WAVES SE/NE, 0.5/1.0 NEAR THE COAST AND
1.0/1.5 ELSE.
SOUTH OCEANIC AREA
S OF 30S W OF 030W
WIND NW/SW 6/8 WITH GUSTS.WAVES NW/SW, 3.0/6.0 BECMG
2.5/4.0.
S OF 30S E OF 030W
WIND NE/NW 5/7 WITH GUSTS 8. WAVES NW/SW 2.0/4.0.
BETWEEN 30S AND 25S
WIND NE/NW 5/6 WITH GUSTS 7 BACK NW/SW 3/5 W OF 030W
AND SE/NE BACK N/NW, 3/5 ELSE. WAVES SW/SE 2.0/3.0
BECMG NW/SW 2.0/2.5.
N OF 25S
WIND SE/NE, 2/4 N OF 20S AND 3/5 BACK NE/NW 2/4 ELSE.
WAVES SW/SE 2.0/2.5.
NORTH OCEANIC AREA
WIND SE/NE 3/5 S OF 03S AND SW/SE 2/4 ELSE. WAVES SE/E
1.5/2.0.=