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SECURITE
WEATHER AND SEA BULLETIN ISSUED 25/AUG/2026 1200Z
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 251200
HIGH 1026 34S052W. C-FRONT 28S029W, 29S023W AND 31S017W
MOVING TO E/NE AT 5 KT. TROPICAL WAVE 20N020W, 10N021W
AND 05N020W MOVING TO W AT 10/15 KT. TROPICAL WAVE
20N036W, 11N037W AND 05N036W MOVING TO W AT 10/15 KT.
INTERTROPICAL CONVERGENCE ZONE (ITCZ) EM 09N020W,
07N030W, 06N040W AND 07N046W.
PARTE TRES WEATHER FCST VALID FM 260000 TO 270000
AREA ALFA (FM CHUI TO LAGUNA)
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 GOOD.
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 037W. 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)
ISOL SHWRS. WIND SE/NE 3/5. WAVES SE/NE, 0.5/1.0 NEAR
THE COAST AND 1.0/2.1 ELSE. VIS MOD DURING SHWRS.
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 AND ISOL
SHWRS ELSE. 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 270000 TO 280000
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.=