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SECURITE
WEATHER AND SEA BULLETIN ISSUED 23/AUG/2026 1200Z
DATE AND TIME UTC
PRESSURE HPA
WINDS BEAUFORT SCALE
WAVES HEIGHT METER
PART ONE WARNINGS
WARNING NR 563/2026
ROUGH-VERY ROUGH SEA WARNING
ISSUED AT 1400 THU 20/AUG/2026
OCEANIC AREA BETWEEN 28S048W, 29S048W, 31S043W AND
28S040W STARTING AT 230600. WAVES SW/S 3.0/5.0.
VALID UNTIL 241200.
WARNING NR 566/2026
GALE/SEVERE GALE WARNING
ISSUED AT 1400 THU 20/AUG/2026
OCEANIC AREA BETWEEN 30S042W, 30S030W, 36S030W AND
36S048W STARTING AT 221200. WIND NW/SW 8/9 WITH GUSTS.
VALID UNTIL 241200.
WARNING NR 567/2026
GALE/SEVERE GALE WARNING
ISSUED AT 1400 THU 20/AUG/2026
OCEANIC AREA BETWEEN 30S030W, 30S020W, 36S020W AND
36S030W STARTING AT 231200. WIND NW/W 8/9 WITH GUSTS.
VALID UNTIL 241200.
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 570/2026
NEAR GALE/GALE WARNING
ISSUED AT 1400 FRI 21/AUG/2026
OCEANIC AREA BETWEEN 34S053W, 29S049W, 31S043W AND
36S048W STARTING AT 231200. WIND SW 7/8.
VALID UNTIL 240300.
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 572/2026
NEAR GALE/GALE WARNING
ISSUED AT 1400 FRI 21/AUG/2026
OCEANIC AREA BETWEEN 26S046W, 28S040W, 31S043W AND
29S049W STARTING AT 231200. WIND W/SW 7/8.
VALID UNTIL 241200.
THIS WARNING REPLACES THE WARNING NR 562/2026.
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 579/2026
GALE/SEVERE GALE WARNING
ISSUED AT 1400 SAT 22/AUG/2026
OCEANIC AREA BETWEEN 30S030W, 30S020W, 36S020W AND
36S030W STARTING AT 241200. WIND NW/W 8 WITH GUSTS 9.
VALID UNTIL 261200.
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 583/2026
HIGH SURF WARNING
ISSUED AT 1300 SUN 23/AUG/2026
HIGH SURF BETWEEN ILHABELA/SP AND CAMPOS DOS
GOYTACAZES/RJ STARTING AT 240900. WAVES SW/S 2.5/3.0.
VALID UNTIL 261800.
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.
PART TWO WEATHER ANALYSIS AT 231200
C-FRONT 31S046W, 33S040W AND 35S037W MOVING TO E/NE AT
5 KT. Q-STNR FRONT 20S037W, 27S030W AND 31S023W.
TROPICAL WAVE 17N030W, 10S031W AND 04N030 MOVING TO W
AT 10/15 KT. TROPICAL WAVE 19N049W, 12S050W AND 06N048W
MOVING TO W AT 10/15 KT.
INTERTROPICAL CONVERGENCE ZONE (ITCZ) 09N020W, 09N030W,
06N040W AND 04N047W.
PARTE TRES WEATHER FCST VALID FM 240000 TO 250000
AREA ALFA (FM CHUI TO LAGUNA)
SHWRS E OF 050W. WIND SW/S 4/5 WITH GUSTS 6/7 BECMG
3/4. WAVES SW/S 3.0/5.0, WITH SURGE N OF MOSTARDAS/RS
TO 241500Z. VIS MOD DURING SHWRS.
AREA BRAVO (FM LAGUNA TO ARRAIAL DO CABO OCEANIC)
WIND SW/S 4/5 WITH GUSTS 7 BACK SW/SE 3/5. WAVES SW/S
2.5/4.5 BECMG 2.5/3.5. VIS GOOD.
AREA CHARLIE (FM LAGUNA TO ARRAIAL DO CABO SHORE)
SHWRS NEAR THE COAST. WIND SE/E 2/3. WAVES SW/S
2.0/3.5, WITH SURGE S OF FLORIANOPOLIS/SC TO 241500Z
AND N OF ILHABELA/SP FM 240900Z. VIS MOD DURING SHWRS.
AREA DELTA (FM ARRAIAL DO CABO TO CARAVELAS)
SHWRS. WIND SE/NE 2/4. WAVES SW/S, 1.5/2.5 BECMG
2.0/3.5. WITH SURGE S OF CAMPO DOS GOYTACAZES/RJ FM
240900Z. VIS MOD DURING SHWRS.
AREA ECHO (FM CARAVELAS TO SALVADOR)
ISOL SHWRS. WIND SE/NE 2/3. WAVES SW/S 1.0/2.0. VIS MOD
DURING SHWRS.
AREA FOXTROT (FM SALVADOR TO NATAL)
ISOL SHWRS. WIND SE/E 3/5. WAVES SE/E 1.0/2.0. VIS MOD
DURING SHWRS.
AREA GOLF (FM NATAL TO SAO LUIS)
WIND SE/NE 4/5 WITH GUSTS 6/7 NEAR THE COAST. WAVES
SE/NE 1.5/2.0. VIS GOOD.
AREA HOTEL (FM SAO LUIS TO OIAPOQUE)
SHWRS N OF 02N. WIND SE/NE 3/4. WAVES SE/NE, 0.5/1.5
NEAR THE COAST AND 1.5/2.0 ELSE. VIS MOD DURING SHWRS.
SOUTH OCEANIC AREA
S OF 30S W OF 030W
SHWRS. WIND W/SW 6/7 WITH GUSTS 8/9. WAVES W/SW
4.0/6.0. VIS MOD DURING SHWRS.
S OF 30S E OF 030W
SHWRS. WIND NW/W 5/6 WITH GUSTS 8. WAVES W/SW 2.5/3.5
BECMG 3.0/5.0. VIS MOD DURING SHWRS.
BETWEEN 30S AND 25S
SHWRS E OF 025W. WIND NW/W 5/6 WITH GUSTS 7/8. WAVES
W/SW, 2.0/3.0 BECMG 2.5/5.0. VIS MOD DURING SHWRS.
N OF 25S
SHWRS S OF 22S. WIND SW/SE 2/4. WAVES SW/S 1.5/2.0. VIS
MOD DURING SHWRS.
NORTH OCEANIC AREA
SHWRS N OF 02N. WIND SE/E 3/5 S OF 03N AND SW/SE 2/4 N
OF 03S. WAVES S/SE 1.0/2.0. VIS MOD DURING SHWRS.
WEATHER FCST VALID FM 250000 TO 260000
AREA ALFA (FM CHUI TO LAGUNA)
WIND SW/S BACK SE/NE, 2/4. WAVES SW/S, 3.0/5.0 BECMG
2.0/4.0.
AREA BRAVO (FM LAGUNA TO ARRAIAL DO CABO OCEANIC)
WIND SW/S BACK SE/NE, 2/4. WAVES SW/S 3.0/4.0 BECMG
2.5/3.5.
AREA CHARLIE (FM LAGUNA TO ARRAIAL DO CABO SHORE)
WIND SE/NE 2/3. WAVES SW/S 1.5/3.0, WITH SURGE N OF
ILHABELA/SP.
AREA DELTA (FM ARRAIAL DO CABO TO CARAVELAS)
WIND SE/NE 2/3. WAVES SW/S 2.0/4.0 BECMG 2.0/3.0 WITH
SURGE S OF CAMPOS DOS GOYTACAZES/RJ.
AREA ECHO (FM CARAVELAS TO SALVADOR)
WIND SE/E 2/4. WAVES SW/SE 1.5/2.5.
AREA FOXTROT (FM SALVADOR TO NATAL)
WIND SE/E 3/5. WAVES SW/SE 1.0/2.0.
AREA GOLF (FM NATAL TO SAO LUIS)
WIND SE/NE 4/5 WITH GUSTS 6/7 NEAR THE COAST. WAVES
SE/NE 1.5/2.5.
AREA HOTEL (FM SAO LUIS TO OIAPOQUE)
WIND SE/NE 3/5. WAVES SE/NE, 0.5/1.5 NEAR THE COAST AND
1.5/2.5 ELSE.
SOUTH OCEANIC AREA
S OF 30S W OF 030W
WIND W/SW 4/5 WITH GUSTS 7/8 E OF 040W, BECMG 3/5.
WAVES W/SW 4.0/6.0.
S OF 30S E OF 030W
WIND NW/W 5/6 WITH GUSTS 8/9. WAVES W/SW 4.0/6.0.
BETWEEN 30S AND 25S
WIND W/SW 4/5. WAVES W/SW 2.5/5.0.
N OF 25S
WIND SE/NE 3/4. WAVES SW/S 1.5/3.5.
NORTH OCEANIC AREA
WIND SE/E 3/5 S OF 03N AND SW/SE 2/4 N OF 03N. WAVES
S/SE 1.0/2.0.
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