1 31 05 02 12 20
SECURITE
WEATHER AND SEA BULLETIN ISSUED 24/AUG/2026 1200Z
DATE AND TIME UTC
PRESSURE HPA
WINDS BEAUFORT SCALE
WAVES HEIGHT METER
PART ONE WARNINGS
WARNING NR 569/2026
HIGH SURF WARNING
ISSUED AT 1400 FRI 21/AUG/2026
HIGH SURF BETWEEN MOSTARDAS/RS AND FLORIANOPOLIS/SC
STARTING AT 231500. WAVES S/SE 2.5/3.0.
VALID UNTIL 241500.
WARNING NR 571/2026
ROUGH SEA WARNING
ISSUED AT 1400 FRI 21/AUG/2026
OCEANIC AREA BETWEEN 34S052W, 36S048W, 31S043W AND
29S048W STARTING AT 231200. WAVES SW/S 3.0/5.0.
VALID UNTIL 251200.
WARNING NR 573/2026
VERY ROUGH SEA WARNING
ISSUED AT 1400 FRI 21/AUG/2026
OCEANIC AREA BETWEEN 36S030W, 36S020W, 30S020W AND
30S030W STARTING AT 240000. WAVES W/SW 4.0/6.0.
VALID UNTIL 251200.
WARNING NR 575/2026
VERY ROUGH SEA WARNING
ISSUED AT 1400 FRI 21/AUG/2026
OCEANIC AREA BETWEEN 36S048W, 36S030W, 30S030W AND
30S042W STARTING AT 221200. WAVES W/SW 4.0/6.0.
VALID UNTIL 251200.
THIS WARNING REPLACES THE WARNING NR 568/2026.
WARNING NR 576/2026
ROUGH/VERY ROUGH SEA WARNING
ISSUED AT 1400 SAT 22/AUG/2026
OCEANIC AREA BETWEEN 28S048W, 31S043W, 26S038W AND
23S042W STARTING AT 241200. WAVES SW/SE 3.0/5.0.
VALID UNTIL 261200.
WARNING NR 577/2026
ROUGH/VERY ROUGH SEA WARNING
ISSUED AT 1400 SAT 22/AUG/2026
OCEANIC AREA BETWEEN 29S049W, 25S047W, 24S045W AND
23S042W STARTING AT 240000. WAVES SW/SE 3.0/4.0.
VALID UNTIL 251200.
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 580/2026
VERY ROUGH SEA WARNING
ISSUED AT 1400 SAT 22/AUG/2026
OCEANIC AREA BETWEEN 30S042W, 27S039W, 27S020W AND
30S020W STARTING AT 231200. WAVES W/SW 4.0/5.0.
VALID UNTIL 251200.
WARNING NR 581/2026
ROUGH SEA WARNING
ISSUED AT 1500 SAT 22/AUG/2026
OCEANIC AREA BETWEEN 23S042W, 20S036W, 21S033W AND
26S038W STARTING AT 240600. WAVES SW/S 3.0/4.0.
VALID UNTIL 251200.
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 584/2026
VERY ROUGH SEA WARNING
ISSUED AT 1300 SUN 23/AUG/2026
OCEANIC AREA BETWEEN 36S048W, 36S030W, 30S030W AND
30S042W STARTING AT 251200. WAVES W/SW 4.0/6.0.
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.
PART TWO WEATHER ANALYSIS AT 241200
C-FRONT 31S019W, 26S024W AND 21S033W MOVING TO E/NE AT
05/10 KT. TROPICAL WAVE 18N033W, 12N034W AND 07N033W
MOVING TO W AT 15/20 KT.
INTERTROPICAL CONVERGENCE ZONE (ITCZ) EM 10N020W,
09N030W, 10N040W AND 07N050W.
PARTE TRES WEATHER FCST VALID FM 250000 TO 260000
AREA ALFA (FM CHUI TO LAGUNA)
WIND SW/S BACK SE/NE, 1/3. WAVES SW/SE, 2.0/3.0 NEAR
THE COAST AND 3.0/5.0 ELSE. VIS GOOD.
AREA BRAVO (FM LAGUNA TO ARRAIAL DO CABO OCEANIC)
ISOL SHWRS N OF 24S. WIND SW/S 1/3. WAVES SW/S 2.5/3.5.
VIS MOD DURING SHWRS.
AREA CHARLIE (FM LAGUNA TO ARRAIAL DO CABO SHORE)
ISOL SHWRS N OF 24S. WIND SE/NE 1/3. WAVES SW/S 1.5/3.0
WITH SURGE N OF ILHABELA/SP. VIS MOD DURING SHWRS.
AREA DELTA (FM ARRAIAL DO CABO TO CARAVELAS)
ISOL SHWRS. WIND SE/NE 2/4. WAVES SW/S 1.5/3.0 NEAR THE
COAST, WITH SURGE S OF CAMPOS DOS GOYTACAZES/RJ, AND
2.5/4.0 ELSE.
AREA ECHO (FM CARAVELAS TO SALVADOR)
WIND SE/E 2/4. WAVES SE/E 1.0/1.5 NEAR THE COAST AND
SW/S 1.5/3.0 ELSE. VIS GOOD.
AREA FOXTROT (FM SALVADOR TO NATAL)
WIND SE/NE 3/4. WAVES SE/E 1.0/1.5 NEAR THE COAST AND
SW/S 1.5/2.5 ELSE. VIS GOOD.
AREA GOLF (FM NATAL TO SAO LUIS)
WIND SE/NE 4/6 WITH GUSTS 7 NEAR THE COAST. WAVES SE/NE
1.0/2.5. VIS GOOD.
AREA HOTEL (FM SAO LUIS TO OIAPOQUE)
ISOL SHWRS. WIND SE/NE 3/4. WAVES SE/NE, 0.5/1.0 NEAR
THE COAST AND 1.0/2.0 ELSE. VIS MOD DURING SHWRS.
SOUTH OCEANIC AREA
S OF 30S W OF 030W
WIND W/SW 6/7 WITH GUSTS 8/9. WAVES SW/SE 4.0/6.0. VIS
GOOD.
S OF 30S E OF 030W
SHWRS. WIND NW/W 6/7 WITH GUSTS 8/9. WAVES SW 4.0/6.0.
VIS MOD DURING SHWRS.
BETWEEN 30S AND 25S
SHWRS E OF 025W. WIND W/SW 5/6 WITH GUSTS 7/8. WAVES SW
3.5/5.5. VIS MOD DURING SHWRS.
N OF 25S
SHWRS S OF 20S. WIND SE/NE 2/4. WAVES SW 2.5/3.5. VIS
MOD DURING SHWRS.
NORTH OCEANIC AREA
SHWRS N OF 05N. WIND SE/E S OF EQUATOR AND SW/SE N OF
EQUATOR, 3/5. WAVES SE 1.0/2.0. VIS MOD DURING SHWRS.
WEATHER FCST VALID FM 260000 TO 270000
AREA ALFA (FM CHUI TO LAGUNA)
WIND E/NE, 2/3 BECMG 4/5 WITH GUSTS. WAVES S/SE 2.5/4.0
WITH SURGE N OF MOSTARDAS/RS.
AREA BRAVO (FM LAGUNA TO ARRAIAL DO CABO OCEANIC)
WIND SW/S BACK SE/NE, 3/5. WAVES S/SE 2.5/3.5.
AREA CHARLIE (FM LAGUNA TO ARRAIAL DO CABO SHORE)
WIND SE/NE 3/4. WAVES S/SE 1.5/3.0 WITH SURGE N OF
ILHABELA/SP.
AREA DELTA (FM ARRAIAL DO CABO TO CARAVELAS)
WIND SE/NE 3/5. WAVES SW/S 1.5/3.0 NEAR THE COAST, WITH
SURGE S OF CAMPOS DOS GOYTACAZES/RJ, AND 2.5/4.0 ELSE.
AREA ECHO (FM CARAVELAS TO SALVADOR)
WIND E/NE 2/4. WAVES SE/E 1.0/1.5 NEAR THE COAST AND
SW/S 1.5/3.0 ELSE.
AREA FOXTROT (FM SALVADOR TO NATAL)
WIND SE/E 3/4. WAVES SE/E 1.0/1.5 NEAR THE COAST AND
SW/S 1.5/2.5 ELSE.
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 3/4. 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 SW/SE BACK SE/NE, 3/4. WAVES S/SE 3.0/5.0.
S OF 30S E OF 030W
WIND W/SW 5/6 WITH GUSTS 7/8. WAVES SW 3.5/5.5.
BETWEEN 30S AND 25S
WIND SW/SW 3/5. WAVES SW 3.0/4.0.
N OF 25S
WIND SE/NE 2/4. WAVES SW 2.5/3.5.
NORTH OCEANIC AREA
WIND SE/E S OF EQUATOR AND SW/SE N OF EQUATOR, 3/5.
WAVES SW/SE 1.0/2.0.=