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SECURITE
WEATHER AND SEA BULLETIN ISSUED 22/AUG/2026 0000Z
DATE AND TIME UTC
PRESSURE HPA
WINDS BEAUFORT SCALE
WAVES HEIGHT METER
PART ONE WARNINGS
WARNING NR 548/2026
ROUGH/VERY ROUGH SEA WARNING
ISSUED AT 1300 WED 19/AUG/2026
OCEANIC AREA BETWEEN 34S052W, 36S048W, 31S043W AND
29S048W STARTING AT 210600. WAVES NW/SW BECOMING SW/S,
3.0/5.0.
VALID UNTIL 221200.
WARNING NR 550/2026
NEAR GALE/GALE WARNING
ISSUED AT 1300 WED 19/AUG/2026
OCEANIC AREA BETWEEN 34S053W, 36S048W, 31S043W AND
29S049W STARTING AT 211200. WIND SW/S 7 WITH GUSTS 8.
VALID UNTIL 221200.
WARNING NR 552/2026
ROUGH SEA WARNING
ISSUED AT 1300 WED 19/AUG/2026
OCEANIC AREA BETWEEN 25S044W, 26S038W, 31S043W AND
29S049W STARTING AT 210600. WAVES NE/NW BECOMING SW/S,
3.0/4.0.
VALID UNTIL 230000.
WARNING NR 556/2026
GALE/SEVERE GALE WARNING
ISSUED AT 1300 WED 19/AUG/2026
OCEANIC AREA BETWEEN 30S042W, 30S030W, 36S030W AND
36S048W STARTING AT 210000. WIND NW/SW 8 WITH GUSTS 9.
VALID UNTIL 221200.
WARNING NR 557/2026
GALE/SEVERE GALE WARNING
ISSUED AT 1300 WED 19/AUG/2026
OCEANIC AREA BETWEEN 30S030W, 30S020W, 36S020W AND
36S030W STARTING AT 211500. WIND NW/W 8 WITH GUSTS 9.
VALID UNTIL 230000.
WARNING NR 558/2026
VERY ROUGH SEA WARNING
ISSUED AT 1300 WED 19/AUG/2026
OCEANIC AREA BETWEEN 36S030W, 36S020W, 32S020W AND
32S030W STARTING AT 220000. WAVES NW/W 4.0/5.0.
VALID UNTIL 230000.
WARNING NR 559/2026
ROUGH/VERY ROUGH SEA WARNING
ISSUED AT 1400 THU 20/AUG/2026
OCEANIC AREA BETWEEN 34S052W, 36S048W, 31S043W AND
29S048W STARTING AT 221200. WAVES SW/S 3.0/6.0 .
VALID UNTIL 231200.
WARNING NR 560/2026
HIGH SURF WARNING
ISSUED AT 1400 THU 20/AUG/2026
HIGH SURF BETWEEN TORRES/RS AND FLORIANOPOLIS/SC
STARTING AT 211500. WAVES SW/SE 2.5/3.0.
VALID UNTIL 221800.
WARNING NR 561/2026
NEAR GALE/GALE WARNING
ISSUED AT 1400 THU 20/AUG/2026
COASTAL AREA BETWEEN CHUI/RS AND LAGUNA/SC TO 300 NM
OFFSHORE STARTING AT 211200. WIND SW/S 7/8 WITH GUSTS.
VALID UNTIL 231200.
THIS WARNING REPLACES THE WARNING NR 550/2026.
WARNING NR 562/2026
NEAR GALE/GALE WARNING
ISSUED AT 1400 THU 20/AUG/2026
OCEANIC AREA BETWEEN 26S046W, 28S040W, 31S043W AND
29S049W STARTING AT 220600. WIND W/SW 7/8 WITH GUSTS.
VALID UNTIL 231200.
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 568/2026
VERY ROUGH SEA WARNING
ISSUED AT 1400 THU 20/AUG/2026
OCEANIC AREA BETWEEN 36S048W, 36S030W, 30S030W AND
30S042W STARTING AT 221200. WAVES W/SW 4.0/6.0.
VALID UNTIL 231200.
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 574/2026
GALE WARNING
ISSUED AT 1400 FRI 21/AUG/2026
OCEANIC AREA BETWEEN 36S045W, 30S040W, 30S020W AND
36S020W STARTING AT 241200. WIND NW/SW 8 WITH GUSTS 9.
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.
PART TWO WEATHER ANALYSIS AT 220000
LOW 1002 33S036W. C-FRONT 32S036W, 25S038W AND 19S047W
MOVING TO E/NE AT 10 KT. W-FRONT 33S035W AND 32S031W.
O-FRONT 34S036W AND 32S038W.
TROPICAL WAVE 19N035W, 12S036W AND 07N035W MOVING TO W
AT 10/15 KT.
INTERTROPICAL CONVERGENCE ZONE (ITCZ) 107N020W,
07N030W, 09N040W AND 07N050W..
PART THREE WEATHER FCST VALID FM 221200 TO 231200
AREA ALFA (FM CHUI TO LAGUNA)
ISOL SHWRS. WIND SW/S 5/6 WITH GUSTS 7/8. WAVES SW/S
2.5/4.5, WITH SURGE N OF MOSTARDAS (RS) TO 221800Z. VIS
MOD DURING SHWRS.
AREA BRAVO (FM LAGUNA TO ARRAIAL DO CABO OCEANIC)
ISOL SHWRS. WIND SW/S 5/6 WITH GUSTS 7/8 BECMG 4/5 WITH
GUSTS 6/7. WAVES SW/S, 3.0/4.0 S OF 26S AND 2.0/3.0 N
OF 26S. VIS MOD DURING SHWRS.
AREA CHARLIE (FM LAGUNA TO ARRAIAL DO CABO SHORE)
ISOL SHWRS EARLY. WIND SW/SE 3/4 BACK S/SE 2/3. WAVES
SW/SE, 1.5/2.5 NEAR THE COAST, WITH SURGE S OF
FLORIANOPOLIS (SC) TO 231800Z, AND 2.0/3.0 ELSE. VIS
MOD DURING SHWRS.
AREA DELTA (FM ARRAIAL DO CABO TO CARAVELAS)
ISOL SHWRS. WIND NW/SW 4/5 BACK SW/SE 3/4. WAVES NE/NW
BECMG SW/SE, 1.5/2.5. VIS MOD DURING SHWRS.
AREA ECHO (FM CARAVELAS TO SALVADOR)
ISOL SHWRS. WIND NE/N BACK SE/NE, 2/4. WAVES SE/E
1.0/1.5. VIS MOD DURING SHWRS.
AREA FOXTROT (FM SALVADOR TO NATAL)
ISOL SHWRS. WIND SE/NE 3/5. WAVES SE/E 1.0/1.5. 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 1.5/2.5. VIS GOOD.
AREA HOTEL (FM SAO LUIS TO OIAPOQUE)
ISOL SHWRS. WIND SE/NE 3/5. 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 NW/SW 7/8 WITH GUSTS 9. WAVES NW/SW
3.0/4.0, BECMG 4.0/5.0 W OF 035W. VIS MOD/POOR DURING
SHWRS.
S OF 30S E OF 030W
OCNL HVY SHWRS AND ISOL THUNDERSTORMS. WIND NW/SW, 7/8
WITH GUSTS 9 BECMG 4/5 WITH GUSTS 6/7. WAVES NW/SW
2.5/4.0. VIS MOD/POOR DURING SHWRS.
BETWEEN 30S AND 25S
OCNL HVY SHWRS AND ISOL THUNDERSTORMS BETWEEN 035W AND
025W AND ISOL SHWRS ELSE. WIND NW/SW 4/5 WITH GUSTS
6/7. WAVES NW/SW, 2.0/3.0 W OF 025W AND 1.0/2.0 ELSE.
VIS MOD/POOR DURING SHWRS.
N OF 25S
ISOL SHWRS W OF 025W. WIND SE/NE BACK NE/NW, 2/4. WAVES
SW/SE 1.0/2.0. VIS MOD DURING SHWRS.
NORTH OCEANIC AREA
OCNL HVY SHWRS AND ISOL THUNDERSTORMS N OF 01N. WIND
SE/E 3/5 S OF 03N AND SW/SE 2/4 ELSE. WAVES SW/SE
1.0/2.0. VIS MOD/POOR DURING SHWRS.
WEATHER FCST VALID FM 231200 TO 241200
AREA ALFA (FM CHUI TO LAGUNA)
WIND SW/S 5/6 WITH GUSTS 7/8, BECMG 4/5. WAVES SW/SE
2.0/3.0 NEAR THE COAST, WITH SURGE N OF MOSTARDAS (RS)
PARTIR 231500Z, AND 3.0/6.0 ELSE.
AREA BRAVO (FM LAGUNA TO ARRAIAL DO CABO OCEANIC)
WIND SW 5/6 WITH GUSTS 7/8 BECMG 4/5 S OF 27S AND SW/SE
3/5 ELSE. WAVES SW/S, 3.5/4.5 S OF 28S AND 2.0/3.0
BECMG 2.5/3.5 ELSE.
AREA CHARLIE (FM LAGUNA TO ARRAIAL DO CABO SHORE)
WIND S/SE 2/4. WAVES SW/SE, 1.5/3.0, WITH SURGE S OF
FLORIANOPOLIS (SC) PARTIR DE 231500Z.
AREA DELTA (FM ARRAIAL DO CABO TO CARAVELAS)
WIND SW/SE, BACK SE/NE N OF 20S, 2/4. WAVES SW/SE
1.5/2.5, BECMG 2.0/3.0 S OF 23S.
AREA ECHO (FM CARAVELAS TO SALVADOR)
WIND SE/NE 2/4. WAVES SE/E NEAR THE COAST AND SE BECMG
SW/S ELSE, 1.0/1.5.
AREA FOXTROT (FM SALVADOR TO NATAL)
WIND SE/E 3/4. WAVES SE/E 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 1.5/2.0.
AREA HOTEL (FM SAO LUIS TO OIAPOQUE)
WIND SE/NE 3/5. WAVES SE/NE, 0.5/1.5 NEAR THE COAST AND
1.5/2.0 ELSE.
SOUTH OCEANIC AREA
S OF 30S W OF 030W
WIND NW/SW 7/8 WITH GUSTS 9. WAVES W/SW, 3.0/5.0 BECMG
4.0/6.0.
S OF 30S E OF 030W
WIND NW/SW 4/6 BECMG 6/8. WAVES W/SW 2.5/4.5.
BETWEEN 30S AND 25S
WIND NW/SW 4/5 WITH GUSTS 6/7. WAVES NW/SW, 2.0/3.0
BECMG 2.5/4.0 W OF 030W AND 1.5/2.5 ELSE.
N OF 25S
WIND NE/NW S OF 20S AND E/NE N OF 20S, 2/4. WAVES SW/SE
1.0/2.0.
NORTH OCEANIC AREA
WIND SE/E 3/5 S OF 03N AND SW/SE 2/4 ELSE. WAVES SW/SE
1.0/2.0.
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