1 31 05 02 12 20
SECURITE
WARNING NR 487/2026
GALE/STORM WARNING
ISSUED AT 1300Z - TUE - 04/AUG/2026
COASTAL AREA BETWEEN CHU (RS) AND LAGUNA (SC) TO 320NM OFFSHORE STAR
TING AT 062100Z. WIND NW/SW FORCE 8/9 WITH GUSTS 10.
VALID UNTIL 080000Z.
WARNING NR 489/2026
HIGH SURF WARNING
ISSUED AT 1330Z - WED - 05/AUG/2026
COASTAL AREA BETWEEN MOSTARDAS (RS) AND LAGUNA (SC) STARTING AT 07120
0Z. WAVES FM S 2.5 METERS.
VALID UNTIL 081200Z.
WARNING NR 491/2026
NEAR GALE/GALE WARNING
ISSUED AT 1330Z - WED - 05/AUG/2026
COASTAL AREA BETWEEN LAGUNA (SC) AND MARIC (RJ) TO 100NM OFFSHORE ST
ARTING AT 070300Z. WIND NW/SW FORCE 7 WITH GUSTS FORCE 8.
VALID UNTIL 080300Z.
WARNING NR 493/2026
GALE/SEVERE GALE WARNING
ISSUED AT 1330Z - WED - 05/AUG/2026
OCEANIC AREA BETWEEN 36S048W, 30S042W, 30S020W AND 36S020W STARTING A
T 070900Z. WIND N/NW FORCE 8 WITH GUSTS FORCE 9.
VALID UNTIL 081800Z.
WARNING NR 495/2026
NEAR GALE/SEVERE GALE WARNING
ISSUED AT 1300Z - THU - 06/AUG/2026
OCEANIC AREA BETWEEN 36S048W, 34S053W, 29S049W AND 31S043W STARTING A
T 081200Z. WIND NE/NW BACK TO SW/S FORCE 7 WITH GUSTS 9.
VALID UNTIL 091200Z.
WARNING NR 496/2026
VERY ROUGH/HIGH SEA WARNING
ISSUED AT 1300Z - THU - 06/AUG/2026
OCEANIC AREA BETWEEN 34S053W, 36S048W, 31S043W AND 29S048W STARTING A
T 070300Z. WAVES FM NW/SW 3.0/5.0 METERS BECOMING SW/S 5.0/9.0 METERS
.
VALID UNTIL 081200Z.
THIS WARNING REPLACES THE WARNING NR 488/2026.
WARNING NR 497/2026
ROUGH/VERY ROUGH SEA WARNING
ISSUED AT 1300Z - THU - 06/AUG/2026
OCEANIC AREA BETWEEN 34S053W, 36S048W, 31S043W AND 29S048W STARTING A
T 081200Z. WAVES FM SW/S 3.0/5.0 METERS.
VALID UNTIL 091200Z.
WARNING NR 498/2026
ROUGH/VERY ROUGH SEA WARNING
ISSUED AT 1300Z - THU - 06/AUG/2026
OCEANIC AREA BETWEEN 29S049W, 23S042W, 26S038W AND 31S043W STARTING A
T 071200Z. WAVES FM SW/S 3.0/6.0 METERS.
VALID UNTIL 091200Z.
THIS WARNING REPLACES THE WARNING NR 490/2026.
WARNING NR 499/2026
NEAR GALE/GALE WARNING
ISSUED AT 1300Z - THU - 06/AUG/2026
OCEANIC AREA BETWEEN 29S049W, 31S043W, 26S038W AND 24S043W STARTING A
T 070300Z. WIND NE/NW BACK TO NW/SW FORCE 7 WITH GUSTS 8.
VALID UNTIL 091500Z.
WARNING NR 500/2026
NEAR GALE/GALE WARNING
ISSUED AT 1300Z - THU - 06/AUG/2026
COASTAL AREA BETWEEN LAGUNA (SC) AND IMBITUBA (SC) TO 30NM OFFSHORE S
TARTING AT 081200Z. WIND NE/N BACK TO SW/S FORCE 7 WITH GUSTS 8.
VALID UNTIL 091500Z.
WARNING NR 501/2026
NEAR GALE/GALE WARNING
ISSUED AT 1300Z - THU - 06/AUG/2026
OCEANIC AREA BETWEEN 26S038W, 23S042W, 20S040W AND 23S036W STARTING A
T 070000Z. WIND NE/N FORCE 7 WITH GUSTS 8.
VALID UNTIL 091200Z.
WARNING NR 502/2026
ROUGH SEA WARNING
ISSUED AT 1300Z - THU - 06/AUG/2026
OCEANIC AREA BETWEEN 26S038W, 23S042W, 20S038W AND 22S036W STARTING A
T 081800Z. WAVES FM NW/SW 3.0/4.0 METERS.
VALID UNTIL 100000Z.
WARNING NR 503/2026
GALE/SEVERE GALE WARNING
ISSUED AT 1300Z - THU - 06/AUG/2026
OCEANIC AREA BETWEEN 36S048W, 30S042W, 30S020W AND 36S020W STARTING A
T 090000Z. WIND NW/W FORCE 8 WITH GUSTS FORCE 9.
VALID UNTIL 100000Z.
WARNING NR 504/2026
VERY ROUGH/HIGH SEA WARNING
ISSUED AT 1300Z - THU - 06/AUG/2026
OCEANIC AREA BETWEEN 36S048W, 30S042W, 30S030W AND 36S030W STARTING A
T 071200Z. WAVES FM NW/SW BECOMING W/SW, 4.0/9.0 METERS.
VALID UNTIL 091200Z.
THIS WARNING REPLACES THE WARNING NR 494/2026.
WARNING NR 505/2026
VERY ROUGH/HIGH SEA WARNING
ISSUED AT 1300Z - THU - 06/AUG/2026
OCEANIC AREA BETWEEN 36S030W, 36S020W, 30S020W AND 30S030W STARTING A
T 082100Z. WAVES FM NW/W BECOMING NW/SW, 4.0/7.0 METERS.
VALID UNTIL 110000Z.=
1 31 05 02 12 20
SECURITE
WEATHER AND SEA BULLETIN ISSUED 06/AUG/2026 1200Z
DATE AND TIME UTC
PRESSURE HPA
WINDS BEAUFORT SCALE
WAVES HEIGHT METER
PART ONE WARNINGS
WARNING NR 487/2026
GALE/STORM WARNING
ISSUED AT 1300 TUE 04/AUG/2026
COASTAL AREA BETWEEN CHUI (RS) AND LAGUNA (SC) TO 320NM
OFFSHORE STARTING AT 062100. WIND NW/SW 8/9 WITH GUSTS
10.
VALID UNTIL 080000.
WARNING NR 489/2026
HIGH SURF WARNING
ISSUED AT 1330 WED 05/AUG/2026
COASTAL AREA BETWEEN MOSTARDAS (RS) AND LAGUNA (SC)
STARTING AT 071200. WAVES S 2.5 .
VALID UNTIL 081200.
WARNING NR 491/2026
NEAR GALE/GALE WARNING
ISSUED AT 1330 WED 05/AUG/2026
COASTAL AREA BETWEEN LAGUNA (SC) AND MARICA (RJ) TO
100NM OFFSHORE STARTING AT 070300. WIND NW/SW 7 WITH
GUSTS 8.
VALID UNTIL 080300.
WARNING NR 493/2026
GALE/SEVERE GALE WARNING
ISSUED AT 1330 WED 05/AUG/2026
OCEANIC AREA BETWEEN 36S048W, 30S042W, 30S020W AND
36S020W STARTING AT 070900. WIND N/NW 8 WITH GUSTS 9.
VALID UNTIL 081800.
WARNING NR 495/2026
NEAR GALE/SEVERE GALE WARNING
ISSUED AT 1300 THU 06/AUG/2026
OCEANIC AREA BETWEEN 36S048W, 34S053W, 29S049W AND
31S043W STARTING AT 081200. WIND NE/NW BACK TO SW/S 7
WITH GUSTS 9.
VALID UNTIL 091200.
WARNING NR 496/2026
VERY ROUGH/HIGH SEA WARNING
ISSUED AT 1300 THU 06/AUG/2026
OCEANIC AREA BETWEEN 34S053W, 36S048W, 31S043W AND
29S048W STARTING AT 070300. WAVES NW/SW 3.0/5.0 BECOMING
SW/S 5.0/9.0 .
VALID UNTIL 081200.
THIS WARNING REPLACES THE WARNING NR 488/2026.
WARNING NR 497/2026
ROUGH/VERY ROUGH SEA WARNING
ISSUED AT 1300 THU 06/AUG/2026
OCEANIC AREA BETWEEN 34S053W, 36S048W, 31S043W AND
29S048W STARTING AT 081200. WAVES SW/S 3.0/5.0 .
VALID UNTIL 091200.
WARNING NR 498/2026
ROUGH/VERY ROUGH SEA WARNING
ISSUED AT 1300 THU 06/AUG/2026
OCEANIC AREA BETWEEN 29S049W, 23S042W, 26S038W AND
31S043W STARTING AT 071200. WAVES SW/S 3.0/6.0 .
VALID UNTIL 091200.
THIS WARNING REPLACES THE WARNING NR 490/2026.
WARNING NR 499/2026
NEAR GALE/GALE WARNING
ISSUED AT 1300 THU 06/AUG/2026
OCEANIC AREA BETWEEN 29S049W, 31S043W, 26S038W AND
24S043W STARTING AT 070300. WIND NE/NW BACK TO NW/SW 7
WITH GUSTS 8.
VALID UNTIL 091500.
WARNING NR 500/2026
NEAR GALE/GALE WARNING
ISSUED AT 1300 THU 06/AUG/2026
COASTAL AREA BETWEEN LAGUNA (SC) AND IMBITUBA (SC) TO
30NM OFFSHORE STARTING AT 081200. WIND NE/N BACK TO SW/S
7 WITH GUSTS 8.
VALID UNTIL 091500.
WARNING NR 501/2026
NEAR GALE/GALE WARNING
ISSUED AT 1300 THU 06/AUG/2026
OCEANIC AREA BETWEEN 26S038W, 23S042W, 20S040W AND
23S036W STARTING AT 070000. WIND NE/N 7 WITH GUSTS 8.
VALID UNTIL 091200.
WARNING NR 502/2026
ROUGH SEA WARNING
ISSUED AT 1300 THU 06/AUG/2026
OCEANIC AREA BETWEEN 26S038W, 23S042W, 20S038W AND
22S036W STARTING AT 081800. WAVES NW/SW 3.0/4.0 .
VALID UNTIL 100000.
WARNING NR 503/2026
GALE/SEVERE GALE WARNING
ISSUED AT 1300 THU 06/AUG/2026
OCEANIC AREA BETWEEN 36S048W, 30S042W, 30S020W AND
36S020W STARTING AT 090000. WIND NW/W 8 WITH GUSTS 9.
VALID UNTIL 100000.
WARNING NR 504/2026
VERY ROUGH/HIGH SEA WARNING
ISSUED AT 1300 THU 06/AUG/2026
OCEANIC AREA BETWEEN 36S048W, 30S042W, 30S030W AND
36S030W STARTING AT 071200. WAVES NW/SW BECOMING W/SW,
4.0/9.0.
VALID UNTIL 091200.
THIS WARNING REPLACES THE WARNING NR 494/2026.
WARNING NR 505/2026
VERY ROUGH/HIGH SEA WARNING
ISSUED AT 1300 THU 06/AUG/2026
OCEANIC AREA BETWEEN 36S030W, 36S020W, 30S020W AND
30S030W STARTING AT 082100. WAVES NW/W BECOMING NW/SW,
4.0/7.0 .
VALID UNTIL 110000.
PART TWO WEATHER ANALYSIS AT 061200
TROUGH 36S047W, 35S055W AND 30S062W.
INTERTROPICAL CONVERGENCE ZONE (ITCZ) 13N020W, 11N030W,
10N040W AND 08N050W.
PART THREE WEATHER FCST VALID FM 070000 TO 080000
AREA ALFA (FM CHUI TO LAGUNA)
OCNL HVY SHWRS AND ISOL THUNDERSTORMS. WIND NE/NW 3/5
BACK NW/SW 7/8 WITH GUSTS 9/10. WAVES NE/N 1.5/2.0 BECMG
W/SW 5.0/9.0, WITH SURGE N OF MOSTARDAS/RS. VIS MOD/POOR
DURING SHWRS.
AREA BRAVO (FM LAGUNA TO ARRAIAL DO CABO OCEANIC)
OCNL HVY SHWRS AND ISOL THUNDERSTORMS S OF 26S. WIND
NE/NW 3/5 BACK NW/SW 5/7 WITH GUSTS 8. WAVES NE/NW
1.5/2.5 BECMG SW/S 3.0/6.0. VIS MOD/POOR DURING SHWRS.
AREA CHARLIE (FM LAGUNA TO ARRAIAL DO CABO SHORE)
OCNL HVY SHWRS AND ISOL THUNDERSTORMS W OF 046W. WIND
NE/N 4/5 WITH GUSTS 7/8 BACK S/SE 3/5. WAVES E/NE
1.0/1.5 BECMG SE/E 2.5/3.0 S OF 26S. VIS MOD/POOR DURING
SHWRS.
AREA DELTA (FM ARRAIAL DO CABO TO CARAVELAS)
WIND NE/N 4/5 WITH GUSTS 6/7 W OF 038W. WAVES SE/NE
BECMG E/NE, 1.5/2.5. VIS GOOD.
AREA ECHO (FM CARAVELAS TO SALVADOR)
ISOL SHWRS. WIND E/NE 3/4. WAVES SE/E BECMG SE/NE,
1.0/1.5. VIS MOD/POOR DURING SHWRS.
AREA FOXTROT (FM SALVADOR TO NATAL)
ISOL SHWRS. WIND SE/NE 3/4. WAVES S/SE 1.5/2.0. 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)
WIND SE/E 2/4. WAVES SE/NE, 0.5/1.0 NEAR THE COAST AND
1.5/2.0 ELSE. VIS GOOD.
SOUTH OCEANIC AREA
S OF 30S W OF 030W
OCNL HVY SHWRS AND ISOL THUNDERSTORMS. WIND NE/NW 4/5
BECMG 7/8 WITH GUSTS 9/10. WAVES NE/NW 1.5/2.5 BECMG
NW/SW 5.0/9.0. VIS MOD/POOR DURING SHWRS.
S OF 30S E OF 030W
SHWRS S OF 32S. WIND N/NW 3/5 WITH GUSTS FORCA 7 W OF
025W. WAVES NW/SW 1.5/2.0. VIS MOD DURING SHWRS.
BETWEEN 30S AND 25S
OCNL HVY SHWRS AND ISOL THUNDERSTORMS W OF 035W. WIND
NE/NW 3/5 BECMG 4/6 WITH GUSTS 7 W OF 030W. WAVES SW/S E
OF 035W AND NE/N W OF 035W, 1.5/2.5. VIS MOD/POOR DURING
SHWRS.
N OF 25S
WIND E/N 3/5. WAVES SE/NE 1.5/2.0. VIS GOOD.
NORTH OCEANIC AREA
SHWRS N OF 05N. WIND SE/E S OF EQUATOR AND SW/SE ELSE,
3/5. WAVES S/SE 1.5/2.0. VIS MOD DURING SHWRS.
WEATHER FCST VALID FM 080000 TO 090000
AREA ALFA (FM CHUI TO LAGUNA)
WIND W/SW 5/7 WITH GUSTS 8/9 BACK NW/SW 5/6 WITH GUSTS
7. WAVES SW/S 5.0/9.0 BECMG 2.5/4.0, WITH SURGE N OF
MOSTARDAS/RS.
AREA BRAVO (FM LAGUNA TO ARRAIAL DO CABO OCEANIC)
WIND NW/SW 3/5 BACK NE/N 3/5 WITH GUSTS 7. WAVES SW/S
3.0/6.0 BECMG 3.0/4.0.
AREA CHARLIE (FM LAGUNA TO ARRAIAL DO CABO SHORE)
WIND S/SE 3/5 BACK NE/N 3/4. WAVES SE/E 1.0/1.5 BECMG
SW/SE 1.5/3.0.
AREA DELTA (FM ARRAIAL DO CABO TO CARAVELAS)
WIND NE/NW 4/5 WITH GUSTS 6/7 W OF 037W. WAVES E/NE
1.5/2.5 BECMG SW/S 2.5/4.0 S OF 21S.
AREA ECHO (FM CARAVELAS TO SALVADOR)
WIND E/NE 3/5. WAVES SE/NE 1.0/1.5.
AREA FOXTROT (FM SALVADOR TO NATAL)
WIND SE/NE 3/5. WAVES S/SE 1.5/2.0.
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 2/4. WAVES SE/NE, 0.5/1.0 NEAR THE COAST AND
1.5/2.0 ELSE.
SOUTH OCEANIC AREA
S OF 30S W OF 030W
WIND NW/W 7/8 WITH GUSTS 9/10 BACK N/NW 4/6 WITH GUSTS
7/8. WAVES NW/SW 5.0/9.0 BECMG SW/S 4.0/7.0.
S OF 30S E OF 030W
WIND N/NW 5/6 WITH GUSTS 7/8. WAVES NW/SW 1.5/2.0 BECMG
NW/W 2.5/5.0.
BETWEEN 30S AND 25S
WIND NE/NW 3/5 WITH GUSTS 6/7 W OF 030W. WAVES SW/S
1.5/2.5 E OF 030W AND NE/NW 1.5/2.5 BECMG 2.5/5.0 W OF
030W.
N OF 25S
WIND E/N 3/5. WAVES SE/NE, 1.5/2.0.
NORTH OCEANIC AREA
WIND SE/E S OF EQUATOR AND SW/SE ELSE, 3/5. WAVES S/SE
1.5/2.0.=