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SECURITE
WEATHER AND SEA BULLETIN ISSUED 21/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 549/2026
NEAR GALE/GALE WARNING
ISSUED AT 1300 WED 19/AUG/2026
COASTAL AREA BETWEEN CHUI/RS AND LAGUNA/SC TO 300 NM
OFFSHORE STARTING AT 201500. WIND NE/NW 7 BACK TO SW/S
7/8 WITH GUSTS.
VALID UNTIL 211200.
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 551/2026
NEAR GALE/GALE WARNING
ISSUED AT 1300 WED 19/AUG/2026
OCEANIC AREA BETWEEN 23S042W, 26S038W, 31S043W AND
29S049W STARTING AT 210000. WIND NW/SW 7 WITH GUSTS 8.
VALID UNTIL 220600.
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 553/2026
NEAR GALE/GALE WARNING
ISSUED AT 1300 WED 19/AUG/2026
OCEANIC AREA BETWEEN 23S042W, 25S048W AND 29S049W
STARTING AT 210600. WIND SW/S 7 WITH GUSTS 8.
VALID UNTIL 220000.
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 564/2026
NEAR GALE/GALE WARNING
ISSUED AT 1400 THU 20/AUG/2026
COASTAL AREA BETWEEN LAGUNA/SC AND ARRAIAL DO CABO/RJ
TO 120 NM OFFSHORE STARTING AT 210900. WIND SW/S 7/8
WITH GUSTS.
VALID UNTIL 220000.
WARNING NR 565/2026
NEAR GALE/GALE WARNING
ISSUED AT 1400 THU 20/AUG/2026
COASTAL AREA BETWEEN ARRAIAL DO CABO/RJ AND VITORIA/ES
TO 300 NM OFFSHORE STARTING AT 210000. WIND NE/NW BACK
TO SW/S, 7/8 WITH GUSTS.
VALID UNTIL 220300.
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.
PART TWO WEATHER ANALYSIS AT 210000
LOW 1002 35S048W. C-FRONT 21S053W, 27S047W AND 34S045W
MOVING TO E/NE AT 5 KT. O-FRONT 35S050W, 37S047W AND
35S045W. TROPICAL WAVE 15N024W, 10N025W AND 02N023W
MOVING TO W AT 10-15 KT. TROPICAL WAVE 15N036W, 10N037W
AND 03N036W MOVING TO W AT 15 KT.INTERTROPICAL
CONVERGENCE ZONE (ITCZ) EM 12N020W, 10N030W, 10N040W
AND 10N050W.
PART THREE WEATHER FCST VALID FM 211200 TO 221200
AREA ALFA (FM CHUI TO LAGUNA)
ISOL SHWRS. WIND SW/S 4/6 WITH GUSTS 7/8. WAVES SW/S
2.5/4.5 WITH SURGE N OF TORRES (RS). VIS MOD DURING
SHWRS.
AREA BRAVO (FM LAGUNA TO ARRAIAL DO CABO OCEANIC)
WIND NE/NW 3/5 BACK SW/S 4/6 WITH GUSTS 7/8. WAVES
NE/NW 1.5/2.5 BECMG SW/S 2.5/4.5. VIS GOOD.
AREA CHARLIE (FM LAGUNA TO ARRAIAL DO CABO SHORE)
WIND SW/S, 4/6 WITH GUSTS 7/8 BECMG 2/4. WAVES SW/SE,
0.5/1.0 BECMG 1.5/3.0 WITH SURGE S OF FLORIANOPOLIS
(SC). VIS GOOD.
AREA DELTA (FM ARRAIAL DO CABO TO CARAVELAS)
SHWRS S OF 22S. WIND NE/NW 3/5 BACK SW/S 4/6, WITH
GUSTS 7/8. WAVES NE/NW 1.5/2.5. VIS MOD DURING SHWRS.
AREA ECHO (FM CARAVELAS TO SALVADOR)
ISOL SHWRS. WIND 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/E 3/5. WAVES SE/E 1.0/1.5. VIS MOD
DURING SHWRS.
AREA GOLF (FM NATAL TO SAO LUIS)
ISOL SHWRS. WIND SE/NE 4/5 WITH GUSTS 7 NEAR THE COAST.
WAVES SE/NE 1.5/2.5. VIS MOD DURING SHWRS.
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 1.5/2.5 ELSE. VIS MOD DURING SHWRS.
SOUTH OCEANIC AREA
S OF 30S W OF 030W
OCNL HVY SHWRS AND ISOL THUNDERSTORMS. WIND N/NW 3/5
BACK NW/SW 7/8 WITH GUSTS 9. WAVES NW/SW 1.0/2.0 BECMG
W/SW 3.0/4.5. VIS MOD/POOR DURING SHWRS.
S OF 30S E OF 030W
OCNL HVY SHWRS AND ISOL THUNDERSTORMS. WIND NW/SW, 2/4
BECMG 7/8 WITH GUSTS 9. WAVES NW/SW 2.0/4.0. VIS
MOD/POOR DURING SHWRS.
BETWEEN 30S AND 25S
OCNL HVY SHWRS AND ISOL THUNDERSTORMS W OF 030W. WIND
NW/SW 4/5 WITH GUSTS 6. WAVES NW/SW 1.0/3.0. VIS
MOD/POOR DURING SHWRS.
N OF 25S
WIND SE/NE BACK NE/NW, 2/4. WAVES SW/SE 1.0/2.0. VIS
GOOD.
NORTH OCEANIC AREA
SHWRS 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 DURING SHWRS.
WEATHER FCST VALID FM 221200 TO 231200
AREA ALFA (FM CHUI TO LAGUNA)
WIND SW/S 4/6 WITH GUSTS 7/8. WAVES SW/S 3.0/6.0 WITH
SURGE N OF TORRES (RS).
AREA BRAVO (FM LAGUNA TO ARRAIAL DO CABO OCEANIC)
WIND SW/S 4/6 WITH GUSTS 7/8. WAVES SW/S 2.5/4.5.
AREA CHARLIE (FM LAGUNA TO ARRAIAL DO CABO SHORE)
WIND SW/SE BACK SE/NE, 2/4. WAVES SW/SE 1.5/3.0 WITH
SURGE S OF FLORIANOPOLIS (SC).
AREA DELTA (FM ARRAIAL DO CABO TO CARAVELAS)
WIND N/NW 3/5 BACK SW/SE 2/4. WAVES NE/NW BECMG SW/S,
1.5/2.5.
AREA ECHO (FM CARAVELAS TO SALVADOR)
WIND SE/NE, 2/4 BECMG NE/N 3/5. WAVES SE/E 1.0/1.5.
AREA FOXTROT (FM SALVADOR TO NATAL)
WIND SE/NE 2/4. WAVES SE/E 1.0/1.5.
AREA GOLF (FM NATAL TO SAO LUIS)
WIND SE/NE 4/5 WITH GUSTS 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 3.0/6.0.
S OF 30S E OF 030W
WIND NW/SW, 7/8 WITH GUSTS 9 BECMG 2/4. WAVES NW/SW
2.0/4.5.
BETWEEN 30S AND 25S
WIND NW/SW 4/5 WITH GUSTS 6. WAVES NW/SW 1.5/3.5.
N OF 25S
WIND SE/NE BACK NE/NW, 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.=