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SECURITE
WEATHER AND SEA BULLETIN ISSUED 26/AUG/2026 0000Z
DATE AND TIME UTC
PRESSURE HPA
WINDS BEAUFORT SCALE
WAVES HEIGHT METER
PART ONE WARNINGS
WARNING NR 578/2026
GALE/SEVERE GALE WARNING
ISSUED AT 1400 SAT 22/AUG/2026
OCEANIC AREA BETWEEN 30S042W, 30S030W, 36S030W AND
36S048W STARTING AT 241200. WIND W/SW 8 WITH GUSTS 9.
VALID UNTIL 261200.
THIS WARNING REPLACES THE WARNING NR 574/2026.
WARNING NR 582/2026
ROUGH SEA WARNING
ISSUED AT 1300 SUN 23/AUG/2026
OCEANIC AREA BETWEEN 34S052W, 36S048W, 31S043W AND
29S048W STARTING AT 251200. WAVES SW/S 3.0/4.0.
VALID UNTIL 270000.
WARNING NR 585/2026
VERY ROUGH SEA WARNING
ISSUED AT 1300 SUN 23/AUG/2026
OCEANIC AREA BETWEEN 36S030W, 36S020W, 30S020W AND
30S030W STARTING AT 251200. WAVES W/SW 4.0/6.0.
VALID UNTIL 271500.
WARNING NR 586/2026
HIGH SURF WARNING
ISSUED AT 1400 MON 24/AUG/2026
HIGH SURF BETWEEN MOSTARDAS/RS AND LAGUNA/SC STARTING
AT 260000. WAVES SE/E 2.5/3.0 .
VALID UNTIL 271200.
WARNING NR 587/2026
HIGH SURF WARNING
ISSUED AT 1400 MON 24/AUG/2026
HIGH SURF BETWEEN ILHABELA/SP AND CAMPOS DOS
GOYTACAZES/RJ. WAVES SW/S BECOMING S/SE, 2.5/3.0 .
VALID UNTIL 271200.
THIS WARNING REPLACES THE WARNING NR 583/2026.
WARNING NR 588/2026
ROUGH SEA WARNING
ISSUED AT 1400 MON 24/AUG/2026
OCEANIC AREA BETWEEN 21S033W, 19S037W, 23S041W AND
26S038W STARTING AT 251200. WAVES SW/S 3.0/4.0 .
VALID UNTIL 271800.
WARNING NR 589/2026
GALE/SEVERE GALE WARNING
ISSUED AT 1330 MON 24/AUG/2026
OCEANIC AREA BETWEEN 30S030W, 30S020W, 36S020W AND
36S030W. WIND W/SW 8 WITH GUSTS 9.
VALID UNTIL 270000.
THIS WARNING REPLACES THE WARNING NR 579/2026.
WARNING NR 590/2026
ROUGH/VERY ROUGH SEA WARNING
ISSUED AT 1300 TUE 25/AUG/2026
OCEANIC AREA BETWEEN 34S052W, 36S048W, 31S043W AND
29S049W STARTING AT 270000. WAVES E/NE BECOMING NE/N
3.0/5.0.
VALID UNTIL 281800.
WARNING NR 591/2026
NEAR GALE/GALE WARNING
ISSUED AT 1300 TUE 25/AUG/2026
OCEANIC AREA BETWEEN 34S053W, 36S048W, 31S043W AND
29S049W STARTING AT 270000. WIND NE/NW 7/8 WITH GUSTS.
VALID UNTIL 281200.
WARNING NR 592/2026
NEAR GALE/GALE WARNING
ISSUED AT 1300 TUE 25/AUG/2026
OCEANIC AREA BETWEEN 23S042W, 26S038W, 31S043W AND
29S049W STARTING AT 271500. WIND NE/NW 7 WITH GUSTS 8.
VALID UNTIL 291200.
WARNING NR 593/2026
ROUGH/VERY ROUGH SEA WARNING
ISSUED AT 1300 TUE 25/AUG/2026
OCEANIC AREA BETWEEN 28S048W, 31S043W, 26S038W AND
23S042W. WAVES SW/SE 3.0/5.0.
VALID UNTIL 270000.
THIS WARNING REPLACES THE WARNING NR 576/2026.
WARNING NR 594/2026
ROUGH SEA WARNING
ISSUED AT 1300 TUE 25/AUG/2026
OCEANIC AREA BETWEEN 28S048W, 31S043W, 26S042W AND
24S044W STARTING AT 271500. WAVES E/NE BECOMING NE/N
3.0/4.0.
VALID UNTIL 281800.
WARNING NR 595/2026
GALE/SEVERE GALE WARNING
ISSUED AT 1300 TUE 25/AUG/2026
OCEANIC AREA BETWEEN 30S042W, 30S030W, 36S030W AND
36S048W STARTING AT 270900. WIND NE/NW 8 WITH GUSTS 9.
VALID UNTIL 300000.
WARNING NR 596/2026
VERY ROUGH SEA WARNING
ISSUED AT 1300 TUE 25/AUG/2026
OCEANIC AREA BETWEEN 36S048W, 36S030W, 30S030W AND
30S042W. WAVES SW/SE 4.0/6.0.
VALID UNTIL 270000.
THIS WARNING REPLACES THE WARNING NR 584/2026.
WARNING NR 597/2026
VERY ROUGH SEA WARNING
ISSUED AT 1300 TUE 25/AUG/2026
OCEANIC AREA BETWEEN 36S048W, 36S030W, 32S030W AND
32S044W STARTING AT 271200. WAVES NE/NW 4.0/5.0.
VALID UNTIL 300000.
PART TWO WEATHER ANALYSIS AT 260000
HIGH 1022 36S049W. TROPICAL WAVE 20N024W, 12N026W AND
06N024W MOVING TO W AT 10/15 KT. TROUGH 16S011W,
20S043W AND 23S037W
INTERTROPICAL CONVERGENCE ZONE (ITCZ) 10N027W, 09N035W,
12N050W AND 11N060W.
PARTE TRES WEATHER FCST VALID FM 261200 TO 271200
AREA ALFA (FM CHUI TO LAGUNA)
OCNL HVY SHWRS AND ISOL THUNDERSTORMS W OF 050W. WIND
SE/NE 1/3 BACK NE/N 4/5 WITH GUSTS 7. WAVES S/SE,
1.0/2.5 NEAR THE COAST AND 2.5/4.0 ELSE, WITH SURGE N
OF MOSTARDAS/RS. VIS MOD/POOR DURING SHWRS.
AREA BRAVO (FM LAGUNA TO ARRAIAL DO CABO OCEANIC)
ISOL SHWRS N OF 26S. WIND SE/NE 2/4 BECMG 3/5. WAVES
SW/SE 2.5/3.5. VIS MOD DURING SHWRS.
AREA CHARLIE (FM LAGUNA TO ARRAIAL DO CABO SHORE)
ISOL SHWRS. WIND SE/NE 2/4. WAVES SW/SE 1.5/3.0, WITH
SURGE N OF ILHABELA/SP. VIS MOD DURING SHWRS.
AREA DELTA (FM ARRAIAL DO CABO TO CARAVELAS)
OCNL HVY SHWRS AND ISOL THUNDERSTORMS S OF 20S. WIND
SE/NE, OCNL N/NW W OF 039W, 3/5. WAVES SW/SE, 1.5/3.0
NEAR THE COAST, WITH SURGE S OF CAMPOS DOS
GOYTACAZES/RJ, AND 2.5/3.5 ELSE. VIS MOD/POOR DURING
SHWRS.
AREA ECHO (FM CARAVELAS TO SALVADOR)
WIND SE/NE 2/4. WAVES S/SE 1.0/1.5 NEAR THE COAST AND
SW/S 1.5/3.0 ELSE. VIS GOOD.
AREA FOXTROT (FM SALVADOR TO NATAL)
ISOL SHWRS. WIND SE/E 3/5. WAVES SW/SE 1.2/2.5. VIS MOD
DURING SHWRS.
AREA GOLF (FM NATAL TO SAO LUIS)
ISOL SHWRS E OF 035W. WIND SE/NE 4/6, WITH GUSTS 7 NEAR
THE COAST. WAVES SE/NE 1.0/2.2. VIS MOD DURING SHWRS.
AREA HOTEL (FM SAO LUIS TO OIAPOQUE)
WIND SE/NE 3/5. WAVES SE/NE, 0.5/1.0 NEAR THE COAST AND
1.0/2.1 ELSE. VIS GOOD.
SOUTH OCEANIC AREA
S OF 30S W OF 030W
ISOL SHWRS. WIND SW/S 3/5 BACK SE/NE 2/4 W OF 035W AND
W/SW 6/8 WITH GUSTS BACK SW/S 3/5 ELSE. WAVES SW/SE
3.5/6.0 BECMG 2.0/3.5. VIS MOD DURING SHWRS.
S OF 30S E OF 030W
SHWRS. WIND NW/SW 6/8 WITH GUSTS 9 BACK SW/S 5/6 WITH
GUSTS 7. WAVES W/SW 4.0/6.0. VIS MOD DURING SHWRS.
BETWEEN 30S AND 25S
ISOL SHWRS E OF 030W. WIND SW/SE 2/4 W OF 030W AND W/SW
3/5 WITH GUSTS ELSE. WAVES SW/S 3.0/4.0. VIS MOD DURING
SHWRS.
N OF 25S
OCNL HVY SHWRS AND ISOL THUNDERSTORMS S OF 20S. WIND
SE/NE BACK NW/SW 3/5 WITH GUSTS S OF 20S AND SE/NE 2/4
ELSE. WAVES SW/S 2.5/3.5. VIS MOD/POOR DURING SHWRS.
NORTH OCEANIC AREA
OCNL HVY SHWRS AND ISOL THUNDERSTORMS N OF 05N AND ISOL
SHWRS ELSE. WIND SE/NE S OF 02N AND SW/SE ELSE, 3/5.
WAVES SW/SE 1.5/2.5 S OF 01S AND SE/NE 1.0/2.0 ELSE.
VIS MOD/POOR DURING SHWRS.
WEATHER FCST VALID FM 271200 TO 281200
AREA ALFA (FM CHUI TO LAGUNA)
WIND NE/NW 6/8 WITH GUSTS. WAVES S/SE 1.0/2.5 BECMG
E/NE 1.0/2.0 NEAR THE COAST AND S/SE 2.0/3.0 BECMG NE/N
2.5/5.0 ELSE, WITH SURGE N OF MOSTARDAS/RS TO 271200.
AREA BRAVO (FM LAGUNA TO ARRAIAL DO CABO OCEANIC)
WIND SE/NE 3/5 BACK NE/N 5/7 WITH GUSTS 8. WAVES S/SE
2.0/3.0 BECMG NE/N 2.5/3.5.
AREA CHARLIE (FM LAGUNA TO ARRAIAL DO CABO SHORE)
WIND SE/NE 2/4 NEAR THE COAST AND NE/N 4/6 WITH GUSTS 7
ELSE. WAVES S/SE, BECMG SE/NE, 1.5/3.0, WITH SURGE N OF
ILHABELA/SP TO 271200.
AREA DELTA (FM ARRAIAL DO CABO TO CARAVELAS)
WIND SE/NE BACK E/NE, 3/5 WITH GUSTS 7 S OF 22S. WAVES
SW/SE, 1.5/3.0 BECMG 1.0/2.0 NEAR THE COAST, WITH SURGE
S OF CAMPOS DOS GOYTACAZES/RJ TO 271200, AND 2.5/3.5
BECMG 1.5/2.5 ELSE.
AREA ECHO (FM CARAVELAS TO SALVADOR)
WIND SE/NE 2/4. WAVES S/SE 1.0/1.5 NEAR THE COAST AND
SW/S 1.5/3.0 ELSE.
AREA FOXTROT (FM SALVADOR TO NATAL)
WIND SE/E 3/5. WAVES SW/SE 1.2/2.5.
AREA GOLF (FM NATAL TO SAO LUIS)
WIND SE/NE 4/6, WITH GUSTS 7 NEAR THE COAST. WAVES
SE/NE 1.0/2.0.
AREA HOTEL (FM SAO LUIS TO OIAPOQUE)
WIND SE/NE 3/5. WAVES SE/NE, 0.5/1.0 NEAR THE COAST AND
1.0/2.0 ELSE.
SOUTH OCEANIC AREA
S OF 30S W OF 030W
WIND SE/NE 3/5, BACK NE/NW 6/8 WITH GUSTS 9 W OF 035W.
WAVES SW/SE 2.0/3.5, BECMG NE/N 3.5/5.0 W OF 040W.
S OF 30S E OF 030W
WIND SW/S 5/6 WITH GUSTS 7 BACK SW/SE 2/4. WAVES SW/S
3.0/5.5 BECMG 2.5/3.5.
BETWEEN 30S AND 25S
WIND SE/NE 3/5 WITH GUSTS W OF 030W AND W/SW BACK SE/NE
3/5 ELSE. WAVES SW/SE 3.0/4.0 BECMG 2/0/3.0.
N OF 25S
WIND NW/SW BACK SE/NE 3/5 WITH GUSTS S OF 20S AND SE/NE
2/4 A. WAVES SW/S 2.5/3.5.
NORTH OCEANIC AREA
WIND SE/NE S OF 02N AND SW/SE ELSE, 3/5. WAVES SW/SE
1.5/2.5 S OF 02N AND SE/NE 1.0/2.0 ELSE.=