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SECURITE
WEATHER AND SEA BULLETIN ISSUED 26/AUG/2026 1200Z
DATE AND TIME UTC
PRESSURE HPA
WINDS BEAUFORT SCALE
WAVES HEIGHT METER
PART ONE WARNINGS
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 261200
HIGH 1022 39S044W. TROUGH 21S043W AND 22S039W.
INTERTROPICAL CONVERGENCE ZONE (ITCZ) 06N020W, 04N030W,
04N040W AND 04N050W.
PARTE TRES WEATHER FCST VALID FM 270000 TO 280000
AREA ALFA (FM CHUI TO LAGUNA)
MIST NEAR THE COAST EARLY AND OCNL HVY SHWRS AND ISOL
THUNDERSTORMS S OF 30S. WIND NE/N 5/6 WITH GUSTS 7.
WAVES S/SE, 1.5/2.5 NEAR THE COAST AND 2.5/4.0 ELSE,
WITH SURGE N OF MOSTARDAS/RS TO 271200Z, BECMG NE/N
2.5/3.5. VIS MOD/POOR DURING SHWRS/MIST.
AREA BRAVO (FM LAGUNA TO ARRAIAL DO CABO OCEANIC)
WIND E/NE 3/5 BECMG 5/6 WITH GUSTS 7. WAVES SW/SE
2.5/3.5. VIS GOOD.
AREA CHARLIE (FM LAGUNA TO ARRAIAL DO CABO SHORE)
WIND E/NE 2/4. WAVES SW/SE 1.5/2.5, WITH SURGE N OF
ILHABELA/SP TO 271200Z. VIS GOOD.
AREA DELTA (FM ARRAIAL DO CABO TO CARAVELAS)
SHWRS. WIND SE/NE 2/3 N OF 21S AND 3/5 S OF 21S. WAVES
SW/SE, 1.5/2.5 NEAR THE COAST, WITH SURGE S OF CAMPOS
DOS GOYTACAZES/RJ TO 271200Z, AND 2.5/3.5 ELSE. VIS MOD
DURING SHWRS.
AREA ECHO (FM CARAVELAS TO SALVADOR)
WIND E/NE 2/3. WAVES S/SE 1.0/1.5 NEAR THE COAST AND
SW/S 1.5/2.5 ELSE. VIS GOOD.
AREA FOXTROT (FM SALVADOR TO NATAL)
SHWRS NEAR THE COAST. WIND SE/E 3/4. WAVES SW/SE
1.2/2.5. VIS MOD DURING SHWRS.
AREA GOLF (FM NATAL TO SAO LUIS)
SHWRS NEAR THE COAST E OF 035W. WIND SE/NE 4/5. WAVES
SE/NE 1.0/2.0. 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
1.0/2.0 ELSE. VIS GOOD.
SOUTH OCEANIC AREA
S OF 30S W OF 030W
SHWRS W OF 045W. WIND NE/N 3/5 BECMG 5/6 WITH GUSTS 7/8
W OF 042W. WAVES S/SE 3.0/4.0 BECMG NE/N 3.0/5.0. VIS
MOD DURING SHWRS.
S OF 30S E OF 030W
WIND SW/S 4/6 WITH GUSTS 7. WAVES SW/S 3.0/4.5. VIS
GOOD.
BETWEEN 30S AND 25S
WIND SW/SE 3/4. WAVES SW/S 3.0/4.0 BECMG 2.5/3.5. VIS
GOOD.
N OF 25S
OCNL HVY SHWRS AND ISOL THUNDERSTORMS S OF 20S. WIND
SE/E 3/5 S OF 20S AND NE/NW 2/3 N OF 20S. WAVES SW/S
2.5/3.5. VIS MOD/POOR DURING SHWRS.
NORTH OCEANIC AREA
SHWRS N OF 05N. WIND SE/E 3/5. WAVES SW/SE 1.5/2.5. VIS
MOD DURING SHWRS.
WEATHER FCST VALID FM 280000 TO 290000
AREA ALFA (FM CHUI TO LAGUNA)
WIND NE/NW 6/7 WITH GUSTS 8 E OF 050W, BACK S/SE 3/4.
WAVES NE/N 2.5/4.5.
AREA BRAVO (FM LAGUNA TO ARRAIAL DO CABO OCEANIC)
WIND NE/N 5/6 WITH GUSTS 7/8. WAVES S/SE 2.0/3.0 BECMG
NE/N 2.5/4.0.
AREA CHARLIE (FM LAGUNA TO ARRAIAL DO CABO SHORE)
WIND SE/NE 2/3 NEAR THE COAST AND NE/N 4/5 WITH GUSTS 6
ELSE. WAVES SE/E 1.5/2.5.
AREA DELTA (FM ARRAIAL DO CABO TO CARAVELAS)
WIND E/NE 3/5 WITH GUSTS 7 S OF 22S. WAVES S/SE, BECMG
NE/N S OF 22S, 2.0/2.5.
AREA ECHO (FM CARAVELAS TO SALVADOR)
WIND E/NE 2/3 BECMG 3/4. WAVES SW/SE 1.5/2.5.
AREA FOXTROT (FM SALVADOR TO NATAL)
WIND SE/E 3/4. WAVES SW/SE 1.5/2.5.
AREA GOLF (FM NATAL TO SAO LUIS)
WIND SE/E 4/5. WAVES SE/NE 1.0/2.0.
AREA HOTEL (FM SAO LUIS TO OIAPOQUE)
WIND SE/NE 3/5. WAVES SE/NE 1.0/2.0.
SOUTH OCEANIC AREA
S OF 30S W OF 030W
WIND NE/N 5/6 WITH GUSTS 8/9. WAVES SW/SE 2.0/3.5, BECMG
NE/N 3.5/4.5.
S OF 30S E OF 030W
WIND SW/S 3/4 BACK NE/NW 3/5 WITH GUSTS 6. WAVES SW/S
2.5/3.5.
BETWEEN 30S AND 25S
WIND SE/NE 4/5 WITH GUSTS 6/7. WAVES SW/S 2/0/3.0.
N OF 25S
WIND SE/NE 3/5 S OF 20S AND 2/3 N OF 20S. WAVES SW/S
2.0/3.0.
NORTH OCEANIC AREA
WIND SE/E 3/5. WAVES SW/SE 1.5/2.5.=