1 31 05 02 12 20
SECURITE
WARNING NR 509/2026
HIGH SURF WARNING
ISSUED AT 1500Z - SAT - 08/AUG/2026
HIGH SURF BETWEEN ILHABELA/SP AND SÃO JOÃO DA BARRA/RJ STARTING AT
102100Z. WAVES FM S 2.5 METERS.
VALID UNTIL 120300Z.
WARNING NR 512/2026
VERY ROUGH SEA WARNING-ALTO
ISSUED AT 1500Z - SAT - 08/AUG/2026
OCEANIC AREA BETWEEN 36S048W, 25S040W, 27S020W AND 36S020W STARTING A
T 082100Z. WAVES FM NW/W BECOMING W/SW, 4.0/7.0 METERS
VALID UNTIL 120000Z.
THIS WARNING REPLACES THE WARNING NR 505/2026.
WARNING NR 515/2026
ROUGH/VERY ROUGH SEA WARNING
ISSUED AT 1330Z - SUN - 09/AUG/2026
OCEANIC AREA BETWEEN 29S049W, 23S042W, 26S038W AND 31S043W STARTING A
T 091200Z. WAVES FM SW/S 3.0/6.0 METERS.
VALID UNTIL 121200Z.
WARNING NR 516/2026
ROUGH SEA WARNING
ISSUED AT 1330Z - SUN - 09/AUG/2026
OCEANIC AREA BETWEEN 26S038W, 23S042W, 19S038W AND 21S033W STARTING A
T 101200Z. WAVES FM SW/S 3.0/4.0 METERS.
VALID UNTIL 121200Z.
WARNING NR 517/2026
GALE/SEVERE GALE WARNING
ISSUED AT 1330Z - SUN - 09/AUG/2026
OCEANIC AREA BETWEEN 30S045W, 30S023W, 36S020W AND 36S048W STARTING A
T 090000Z. WIND NW/W BACK TO NW/SW FORCE 8 WITH GUSTS FORCE 9.
VALID UNTIL 121200Z.
THIS WARNING REPLACES THE WARNING NR 511/2026.
WARNING NR 518/2026
HIGH SURF WARNING
ISSUED AT 1300Z - MON - 10/AUG/2026
HIGH SURF BETWEEN MOSTARDAS/RS AND LAGUNA/SC STARTING AT 110000Z. WAV
ES FM S 2.5 METERS.
VALID UNTIL 140000Z.
WARNING NR 519/2026
ROUGH/VERY ROUGH SEA WARNING
ISSUED AT 1300Z - MON - 10/AUG/2026
OCEANIC AREA BETWEEN 34S053W, 36S048W, 31S043W AND 29S048W.
WAVES FM S 3.0/6.0 METERS.
VALID UNTIL 121800Z.
THIS WARNING REPLACES THE WARNING NR 514/2026.
WARNING NR 520/2026
VERY ROUGH/HIGH SEA WARNING
ISSUED AT 1300Z - MON - 10/AUG/2026
OCEANIC AREA BETWEEN 36S048W, 22S033W, 27S020W AND 36S020W STARTING A
T 120000Z. WAVES FM SW/S 4.0/7.0 METERS
VALID UNTIL 140000Z.
WARNING NR 522/2026
ROUGH SEA WARNING
ISSUED AT 2000Z – MON - 10/AUG/2026
OCEANIC AREA BETWEEN 18S038W, 16S036W, 17S033W AND 21S033W STARTING A
T 111800Z.
WAVES FM S 3.0/3.5 METERS.
VALID UNTIL 130000Z.
THIS WARNING REPLACES THE WARNING NR 521/2026.=
1 31 05 02 12 20
SECURITE
WEATHER AND SEA BULLETIN ISSUED 11/AUG/2026 0000Z
DATE AND TIME UTC
PRESSURE HPA
WINDS BEAUFORT SCALE
WAVES HEIGHT METER
PART ONE WARNINGS
WARNING NR 509/2026
HIGH SURF WARNING
ISSUED AT 1500 08/AUG/2026
HIGH SURF BETWEEN ILHABELA/SP AND SAO JOAO DA BARRA/RJ
STARTING AT 102100. WAVES S 2.5.
VALID UNTIL 120300.
WARNING NR 512/2026
VERY ROUGH SEA WARNING-ALTO
ISSUED AT 1500 08/AUG/2026
OCEANIC AREA BETWEEN 36S048W, 25S040W, 27S020W AND
36S020W STARTING AT 082100. WAVES NW/W BECOMING W/SW,
4.0/7.0.
VALID UNTIL 120000.
THIS WARNING REPLACES THE WARNING NR 505/2026.
WARNING NR 515/2026
ROUGH/VERY ROUGH SEA WARNING
ISSUED AT 1330 SUN 09/AUG/2026
OCEANIC AREA BETWEEN 29S049W, 23S042W, 26S038W AND
31S043W STARTING AT 091200. WAVES SW/S 3.0/6.0.
VALID UNTIL 121200.
WARNING NR 516/2026
ROUGH SEA WARNING
ISSUED AT 1330 SUN 09/AUG/2026
OCEANIC AREA BETWEEN 26S038W, 23S042W, 19S038W AND
21S033W STARTING AT 101200. WAVES SW/S 3.0/4.0.
VALID UNTIL 121200.
WARNING NR 517/2026
GALE/SEVERE GALE WARNING
ISSUED AT 1330 SUN 09/AUG/2026
OCEANIC AREA BETWEEN 30S045W, 30S023W, 36S020W AND
36S048W STARTING AT 090000. WIND NW/W BACK TO NW/SW 8
WITH GUSTS 9.
VALID UNTIL 121200.
THIS WARNING REPLACES THE WARNING NR 511/2026.
WARNING NR 518/2026
HIGH SURF WARNING
ISSUED AT 1300 MON 10/AUG/2026
HIGH SURF BETWEEN MOSTARDAS/RS AND TRAMANDAI/RS STARTING
AT 111100. WAVES S 2.5 .
VALID UNTIL 140000.
WARNING NR 519/2026
ROUGH/VERY ROUGH SEA WARNING
ISSUED AT 1300 MON 10/AUG/2026
OCEANIC AREA BETWEEN 34S053W, 36S048W, 31S043W AND
29S048W.
WAVES S 3.0/6.0 .
VALID UNTIL 121800.
THIS WARNING REPLACES THE WARNING NR 514/2026.
WARNING NR 520/2026
VERY ROUGH/HIGH SEA WARNING
ISSUED AT 1300 MON 10/AUG/2026
OCEANIC AREA BETWEEN 36S048W, 22S033W, 27S020W AND
36S020W STARTING AT 120000. WAVES SW/S 4.0/7.0
VALID UNTIL 140000.
WARNING NR 522/2026
ROUGH SEA WARNING
ISSUED AT 2000 MON 10/AUG/2026
OCEANIC AREA BETWEEN 18S038W, 16S036W, 17S033W AND
21S033W STARTING AT 111800.
WAVES S 3.0/3.5.
VALID UNTIL 130000.
THIS WARNING REPLACES THE WARNING NR 521/2026.
PART TWO WEATHER ANALYSIS AT 110000
HIGH 1030 35S038W. LOW 1006 35S019W. TROUGH 28S040W,
32S033W AND 37S028W. C-FRONT 20S040W, 24S029W AND
34S019W MOVING TO E/NE AT 5 KT. C-FRONT 13S056W, 22S025W
AND 29S018W MOVING TO E/NE AT 5 KT. TROPICAL WAVE
17N027W, 12N027W AND 03N027W MOVING TO W AT 10-15 KT.
TROPICAL WAVE 17N044W, 12N045W AND 03N044W MOVING TO W
AT 10 KT.
INTERTROPICAL CONVERGENCE ZONE (ITCZ) 07N020W, 08N030W,
10N040W AND 08N050W.
PART THREE WEATHER FCST VALID FM 111200 TO 121200
AREA ALFA (FM CHUI TO LAGUNA)
ISOL SHWRS. WIND SW/S 2/4 WITH GUSTS 6. WAVES SW/S
3.0/4.5. VIS MOD DURING SHWRS.
AREA BRAVO (FM LAGUNA TO ARRAIAL DO CABO OCEANIC)
ISOL SHWRS. WIND SW/SE 2/4 WITH GUSTS 5. WAVES SW/S
3.0/4.0. VIS MOD DURING SHWRS.
AREA CHARLIE (FM LAGUNA TO ARRAIAL DO CABO SHORE)
ISOL SHWRS. WIND S/SE 2/4. WAVES SW/SE 2.0/3.0. VIS MOD
DURING SHWRS.
AREA DELTA (FM ARRAIAL DO CABO TO CARAVELAS)
WIND SW/SE 3/5 WITH GUSTS 7. WAVES S/SE 3.0/4.0.
AREA ECHO (FM CARAVELAS TO SALVADOR)
SHWRS. WIND S/SE 3/5 WITH GUSTS 6. WAVES SW/SE 1.5/2.0
BECMG 2.5/3.0. VIS MOD DURING SHWRS.
AREA FOXTROT (FM SALVADOR TO NATAL)
ISOL SHWRS. WIND SE/E 3/5. WAVES S/SE 1.0/2.0 BECMG 2.5.
VIS MOD DURING SHWRS.
AREA GOLF (FM NATAL TO SAO LUIS)
ISOL SHWRS NEAR THE COAST. WIND SE/E 3/5 WITH GUSTS 6.
WAVES SE/NE 1.0/2.0. VIS MOD DURING SHWRS.
AREA HOTEL (FM SAO LUIS TO OIAPOQUE)
WIND SE/NE 2/4. WAVES SE/NE, 0.5/1.0 NEAR THE COAST AND
1.0/1.5 ELSE. VIS GOOD.
SOUTH OCEANIC AREA
S OF 30S W OF 030W
SHWRS S OF 32S. WIND W/SW 6/7 WITH GUSTS 8/9. WAVES W/SW
BECMG SW/S, 5.0/6.0. VIS MOD DURING SHWRS.
S OF 30S E OF 030W
SHWRS. WIND W/SW 7/8 WITH GUSTS 9. WAVES NW/SW 4.0/7.0.
VIS MOD DURING SHWRS.
BETWEEN 30S AND 25S
SHWRS. WIND W/SW 5/6 WITH GUSTS 7/8. WAVES NW/SW,
2.5/4.0 BECMG 4.0/6.0. VIS MOD DURING SHWRS.
N OF 25S
ISOL SHWRS S OF 20S. WIND E/NE BACK NE/NW, 3/5 S OF 20S
AND SE/E 2/4 ELSE. WAVES SW/SE, 1.5/2.5 BECMG 2.5/4.5 S
OF 20S. VIS MOD DURING SHWRS.
NORTH OCEANIC AREA
SHWRS N OF 05N. WIND SE/E 2/4 S OF EQUATOR AND SW/SE
ELSE, 3/5. WAVES S/SE 2.5/3.0. VIS MOD DURING SHWRS.
WEATHER FCST VALID FM 121200 TO 131200
AREA ALFA (FM CHUI TO LAGUNA)
WIND SW/SE 2/5 WITH GUSTS 7. WAVES SW/S 2.5/3.5.
AREA BRAVO (FM LAGUNA TO ARRAIAL DO CABO OCEANIC)
WIND SW/SE 2/4 WITH GUSTS 7. WAVES SW/S 2.5/3.5.
AREA CHARLIE (FM LAGUNA TO ARRAIAL DO CABO SHORE)
WIND SE/E 2/5 WITH GUSTS 6. WAVES SW/S 2.0/3.0.
AREA DELTA (FM ARRAIAL DO CABO TO CARAVELAS)
WIND SE/E 2/4 WITH GUSTS 6. WAVES SW/S 2.5/3.5.
AREA ECHO (FM CARAVELAS TO SALVADOR)
WIND S/SE 2/4 WITH GUSTS 6. WAVES S 2.5/3.5.
AREA FOXTROT (FM SALVADOR TO NATAL)
WIND S/SE 3/5 WITH GUSTS 6. WAVES S/SE 1.5/2.5.
AREA GOLF (FM NATAL TO SAO LUIS)
WIND SE/NE 3/5 WITH GUSTS 6/7 NEAR THE COAST. WAVES
SE/NE 1.0/2.0.
AREA HOTEL (FM SAO LUIS TO OIAPOQUE)
WIND SE/NE 2/4. WAVES SE/NE, 0.5/1.0 NEAR THE COAST AND
1.0/1.5 ELSE.
SOUTH OCEANIC AREA
S OF 30S W OF 030W
WIND W/SW 7/8 WITH GUSTS 8/10. WAVES SW/S 4.0/6.0.
S OF 30S E OF 030W
WIND W/SW 7/8 WITH GUSTS 8/10. WAVES SW/S 4.0/6.0.
BETWEEN 30S AND 25S
WIND SW/S 5/7 BECMG 3/5 WITH GUSTS 8 E OF 030W. WAVES
SW/S 5.0/6.0.
N OF 25S
WIND NE/NW BACK SW/SE, 3/5 WITH GUSTS. WAVES SW/SE
2.5/4.0.
NORTH OCEANIC AREA
WIND SE/E 2/4 S OF EQUATOR AND SW/SE ELSE, 3/5 WITH
GUSTS 7 N OF 05N. WAVES S/SE 1.5/2.5.=