1 31 05 02 12 20
SECURITE
WARNING NR 525/2026
NEAR GALE WARNING
ISSUED AT 1300Z - WED - 12/AUG/2026
OCEANIC AREA BETWEEN 34S051W, 34S046W, 31S043W AND 29S049W STARTING A
T 140000Z. WIND SE/NE BACK TO E/NE FORCE 7 WITH GUSTS.
VALID UNTIL 151200Z.
WARNING NR 526/2026
ROUGH SEA WARNING
ISSUED AT 1300Z - WED - 12/AUG/2026
OCEANIC AREA BETWEEN 34S052W, 36S048W, 31S043W AND 29S048W PARTIR DE
131200Z. WAVES FM SW/SE 3.0/4.0 METERS.
VALID UNTIL 150000Z.
THIS WARNING REPLACES THE WARNING NR 523/2026.
WARNING NR 527/2026
ROUGH SEA WARNING
ISSUED AT 1300Z - WED - 12/AUG/2026
OCEANIC AREA BETWEEN 29S048W, 24S041W, 26S038W AND 31S043W STARTING A
T 140000Z. WAVES FM SW/SE 3.0/3.5 METERS.
VALID UNTIL 150000Z.
WARNING NR 529/2026
GALE/SEVERE GALE WARNING
ISSUED AT 1300Z - WED - 12/AUG/2026
OCEANIC AREA BETWEEN 30S035W, 28S020W, 36S020W AND 36S040W STARTING A
T 130000Z. WIND NW/SW FORCE 8 WITH GUSTS FORCE 9.
VALID UNTIL 150000Z.
THIS WARNING REPLACES THE WARNING NR 524/2026.
WARNING NR 530/2026
VERY ROUGH SEA WARNING
ISSUED AT 1300Z - WED - 12/AUG/2026
OCEANIC AREA BETWEEN 36S045W, 30S035W, 27S020W AND 36S020W STARTING A
T 140000Z. WAVES FM SW/S 4.0/6.0 METERS
VALID UNTIL 151800Z.
WARNING NR 531/2026
NEAR GALE/GALE WARNING
ISSUED AT 1300Z - THU - 13/AUG/2026
OCEANIC AREA BETWEEN 34S052W, 36S048W, 31S043W AND 29S049W STARTING A
T 151200Z. WIND E/NE FORCE 7/8 WITH GUSTS.
VALID UNTIL 161200Z.
WARNING NR 532/2026
HIGH SURF WARNING
ISSUED AT 1300Z - THU - 13/AUG/2026
HIGH SURF BETWEEN MOSTARDAS/RS AND LAGUNA/SC STARTING AT 140000Z. WAV
ES FM SE 2.5 METERS.
VALID UNTIL 150900Z.
WARNING NR 533/2026
ROUGH SEA WARNING
ISSUED AT 1300Z - THU - 13/AUG/2026
OCEANIC AREA BETWEEN 34S052W, 36S048W, 31S043W AND 29S048W STARTING A
T 150000Z. WAVES FM SE/E BECOMING NE, 3.0/4.0 METERS.
VALID UNTIL 171200Z.
WARNING NR 534/2026
NEAR GALE/GALE WARNING
ISSUED AT 1300Z - THU - 13/AUG/2026
OCEANIC AREA BETWEEN 29S049W, 31S043W, 26S038W AND 24S043W STARTING A
T 150000Z. WIND E/NE FORCE 7 WITH GUSTS.
VALID UNTIL 161200Z.
WARNING NR 535/2026
GALE WARNING
ISSUED AT 1300Z - THU - 13/AUG/2026
OCEANIC AREA BETWEEN 36S035W, 30S030W, 30S020W AND 36S020W STARTING A
T 150000Z. WIND SW/S FORCE 8 WITH GUSTS.
VALID UNTIL 161200Z.
WARNING NR 536/2026
VERY ROUGH SEA WARNING
ISSUED AT 1300Z - THU - 13/AUG/2026
OCEANIC AREA BETWEEN 36S035W, 30S030W, 30S020W AND 36S020W STARTING A
T 151800Z. WAVES FM SW/S 4.0/5.0 METERS
VALID UNTIL 161200Z.
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SECURITE
WEATHER AND SEA BULLETIN ISSUED 13/AUG/2026 1200Z
DATE AND TIME UTC
PRESSURE HPA
WINDS BEAUFORT SCALE
WAVES HEIGHT METER
PART ONE WARNINGS
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 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 525/2026
NEAR GALE WARNING
ISSUED AT 1300 WED 12/AUG/2026
OCEANIC AREA BETWEEN 34S051W, 34S046W, 31S043W AND
29S049W STARTING AT 140000. WIND SE/NE BACK TO E/NE 7
WITH GUSTS.
VALID UNTIL 151200.
WARNING NR 526/2026
ROUGH SEA WARNING
ISSUED AT 1300 WED 12/AUG/2026
OCEANIC AREA BETWEEN 34S052W, 36S048W, 31S043W AND
29S048W PARTIR DE 131200. WAVES SW/SE 3.0/4.0 .
VALID UNTIL 150000.
THIS WARNING REPLACES THE WARNING NR 523/2026.
WARNING NR 527/2026
ROUGH SEA WARNING
ISSUED AT 1300 WED 12/AUG/2026
OCEANIC AREA BETWEEN 29S048W, 24S041W, 26S038W AND
31S043W STARTING AT 140000. WAVES SW/SE 3.0/3.5 .
VALID UNTIL 150000.
WARNING NR 529/2026
GALE/SEVERE GALE WARNING
ISSUED AT 1300 WED 12/AUG/2026
OCEANIC AREA BETWEEN 30S035W, 28S020W, 36S020W AND
36S040W STARTING AT 130000. WIND NW/SW 8 WITH GUSTS 9.
VALID UNTIL 150000.
THIS WARNING REPLACES THE WARNING NR 524/2026.
WARNING NR 530/2026
VERY ROUGH SEA WARNING
ISSUED AT 1300 WED 12/AUG/2026
OCEANIC AREA BETWEEN 36S045W, 30S035W, 27S020W AND
36S020W STARTING AT 140000. WAVES SW/S 4.0/6.0
VALID UNTIL 151800.
WARNING NR 531/2026
NEAR GALE/GALE WARNING
ISSUED AT 1300 THU 13/AUG/2026
OCEANIC AREA BETWEEN 34S052W, 36S048W, 31S043W AND
29S049W STARTING AT 151200. WIND E/NE 7/8 WITH GUSTS.
VALID UNTIL 161200.
WARNING NR 532/2026
HIGH SURF WARNING
ISSUED AT 1300 THU 13/AUG/2026
HIGH SURF BETWEEN MOSTARDAS/RS AND LAGUNA/SC STARTING
AT 140000. WAVES SE 2.5 .
VALID UNTIL 150900.
WARNING NR 533/2026
ROUGH SEA WARNING
ISSUED AT 1300 THU 13/AUG/2026
OCEANIC AREA BETWEEN 34S052W, 36S048W, 31S043W AND
29S048W STARTING AT 150000. WAVES SE/E BECOMING NE,
3.0/4.0 .
VALID UNTIL 171200.
WARNING NR 534/2026
NEAR GALE/GALE WARNING
ISSUED AT 1300 THU 13/AUG/2026
OCEANIC AREA BETWEEN 29S049W, 31S043W, 26S038W AND
24S043W STARTING AT 150000. WIND E/NE 7 WITH GUSTS.
VALID UNTIL 161200.
WARNING NR 535/2026
GALE WARNING
ISSUED AT 1300 THU 13/AUG/2026
OCEANIC AREA BETWEEN 36S035W, 30S030W, 30S020W AND
36S020W STARTING AT 150000. WIND SW/S 8 WITH GUSTS.
VALID UNTIL 161200.
WARNING NR 536/2026
VERY ROUGH SEA WARNING
ISSUED AT 1300 THU 13/AUG/2026
OCEANIC AREA BETWEEN 36S035W, 30S030W, 30S020W AND
36S020W STARTING AT 151800. WAVES SW/S 4.0/5.0
VALID UNTIL 161200.
PART TWO WEATHER ANALYSIS AT 131200
HIGH 1022 19S032W. Q-STNR FRONT 09S032W, 13S029W,
12S023W AND 14S020W. TROPICAL WAVE 16N020W, 11N021W AND
07N020W MOVING TO W AT 10/15 NOS. TROPICAL WAVE
12N034W, 07N035W AND 02N034W MOVING TO W AT 10/15 NOS.
C-FRONT 32S038W, 33S033W AND 35S029W MOVING TO L AT
10/15 NOS.
INTERTROPICAL CONVERGENCE ZONE (ITCZ) 14N020W, 09N030W,
08N040W AND 05N050W.
PART THREE WEATHER FCST VALID FM 140000 TO 150000
AREA ALFA (FM CHUI TO LAGUNA)
SHWRS N OF 34S. WIND SE/NE 4/5 WITH GUSTS 6/7. WAVES
SW/SE 1.5/2.5 NEAR THE COAST, WITH SURGE BETWEEN
MOSTARDAS/RS AND LAGUNA/SC, AND 2.5/3.5 ELSE. VIS
MOD/POOR DURING SHWRS.
AREA BRAVO (FM LAGUNA TO ARRAIAL DO CABO OCEANIC)
OCNL HVY SHWRS AND ISOL THUNDERSTORMS S OF 24S. WIND
SE/E 4/5 BACK SE/NE 5/6 S OF 27S AND SW/SE 3/4 BACK
SE/NE 4/5 ELSE, WITH GUSTS. WAVES SW/S, 2.0/3.0 BECMG
2.5/3.5. VIS MOD/POOR DURING SHWRS.
AREA CHARLIE (FM LAGUNA TO ARRAIAL DO CABO SHORE)
OCNL HVY SHWRS AND ISOL THUNDERSTORMS S OF 25S. WIND
SW/SE BACK SE/NE, 2/3. WAVES SW/SE, 1.0/2.0 NEAR THE
COAST AND 2.0/2.5 ELSE. VIS MOD/POOR DURING SHWRS.
AREA DELTA (FM ARRAIAL DO CABO TO CARAVELAS)
ISOL SHWRS S OF 22S. WIND NE/NW BACK SE/NE, 4/5 WITH
GUSTS S OF 23S AND 2/4 ELSE. WAVES SE 1.0/2.0 NEAR THE
COAST AND SW/S, 1.5/2.5 BECMG 2.0/3.0, ELSE. VIS MOD
DURING SHWRS.
AREA ECHO (FM CARAVELAS TO SALVADOR)
WIND SE/NE, OCNL NW, 2/3. WAVES S/SE 1.0/1.5 NEAR THE
COAST AND SW/S 1.5/2.5 ELSE. VIS GOOD.
AREA FOXTROT (FM SALVADOR TO NATAL)
ISOL SHWRS. WIND SE/NE 3/4. WAVES SW/SE, 1.0/1.5 NEAR
THE COAST AND 1.5/2.5 ELSE. VIS MOD DURING SHWRS.
AREA GOLF (FM NATAL TO SAO LUIS)
ISOL SHWRS. WIND SE/NE 4/6, WITH GUSTS 7 NEAR THE
COAST. WAVES SE/NE 1.0/2.0. VIS MOD DURING SHWRS.
AREA HOTEL (FM SAO LUIS TO OIAPOQUE)
WIND SE/NE 3/4. WAVES SE/NE, 0.5/1.0 NEAR THE COAST AND
1.0/2.0 ELSE. VIS GOOD.
SOUTH OCEANIC AREA
S OF 30S W OF 030W
ISOL SHWRS. WIND SW/S 6/8 E OF 040W AND SW/SE 3/5 ELSE,
WITH GUSTS. WAVES SW/S, 4.0/6.0 BECMG 3.0/5.0. VIS MOD
DURING SHWRS.
S OF 30S E OF 030W
ISOL SHWRS. WIND W/SW 7/9 BECMG 6/8, WITH GUSTS. WAVES
SW, 5.0/7.0 BECMG 4.0/5.0. VIS MOD DURING SHWRS.
BETWEEN 30S AND 25S
OCNL HVY SHWRS AND ISOL THUNDERSTORMS. WIND SW/SE 3/4
BACK SE/E 5/6 W OF 035W AND NW/SW 6/8 BACK SW/SE 5/6
ELSE, WITH GUSTS. WAVES SW/S, 3.0/4.0 W OF 035W AND
3.5/5.5 ELSE. VIS MOD/POOR DURING SHWRS.
N OF 25S
OCNL HVY SHWRS AND ISOL THUNDERSTORMS S OF 23S AND ISOL
SHWRS ELSE. WIND NW/SW 3/5 S OF 20S AND SE/NE 1/3 ELSE.
WAVES SW/S 2.5/3.5. VIS MOD/POOR DURING SHWRS.
NORTH OCEANIC AREA
OCNL HVY SHWRS AND ISOL THUNDERSTORMS N OF 05N AND ISOL
SHWRS ELSE. WIND SE/E S OF 01N AND SW/SE ELSE, 3/5.
WAVES SW/S 1.5/2.5 E OF 030W AND SE/NE 1.0/2.0 ELSE.
VIS MOD/POOR DURING SHWRS.
WEATHER FCST VALID FM 150000 TO 160000
AREA ALFA (FM CHUI TO LAGUNA)
WIND SE/NE 5/7 BACK NE 6/8, WITH GUSTS. WAVES S/SE
BECMG E/NE, 1.5/2.5, NEAR THE COAST, WITH SURGE BETWEEN
MOSTARDAS/RS AND LAGUNA/SC TO 150900Z, AND 2.5/3.5
ELSE.
AREA BRAVO (FM LAGUNA TO ARRAIAL DO CABO OCEANIC)
WIND E/NE 5/6 WITH GUSTS 7. WAVES SW/SE 2.5/3.5.
AREA CHARLIE (FM LAGUNA TO ARRAIAL DO CABO SHORE)
WIND SE/NE 2/3 BECMG 3/5. WAVES SW/SE, 1.0/2.0 NEAR THE
COAST AND 2.0/2.5 ELSE .
AREA DELTA (FM ARRAIAL DO CABO TO CARAVELAS)
WIND SE/NE 4/5, WITH GUSTS 6/7 S OF 23S. WAVES SW/SE,
1.5/2.0 NEAR THE COAST AND 2.0/3.0 ELSE.
AREA ECHO (FM CARAVELAS TO SALVADOR)
WIND SE/E 2/3. WAVES S/SE 1.0/1.5 NEAR THE COAST AND
SW/SE 1.5/2.5 ELSE.
AREA FOXTROT (FM SALVADOR TO NATAL)
WIND SE/E 3/4. WAVES SW/SE, 1.0/1.5 NEAR THE COAST AND
1.5/2.5 ELSE.
AREA GOLF (FM NATAL TO SAO LUIS)
WIND SE/NE 4/6, WITH GUSTS 7 NEAR THE COAST. WAVES
SE/NE 1.0/2.0.
AREA HOTEL (FM SAO LUIS TO OIAPOQUE)
WIND SE/NE 3/5. 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 SW/S 6/8 BECMG 5/7 E OF 040W AND S/SE BACK SE/NE,
3/5, ELSE, WITH GUSTS. WAVES SW/S, 3.0/5.0 E OF 035W
AND 3.0/4.0 BECMG 2.0/3.0 ELSE.
S OF 30S E OF 030W
WIND SW/S 6/8 WITH GUSTS. WAVES SW 4.0/5.0.
BETWEEN 30S AND 25S
WIND SW/SE 5/6 WITH GUSTS. WAVES SW/S, 2.5/3.5 W OF
035W AND 4.0/5.0 BECMG 3.0/4.0 ELSE.
N OF 25S
WIND NW/SW 4/5 S OF 20S AND SE/NE BACK SW/SE, 2/4,
ELSE. WAVES SW/S 2.5/3.5.
NORTH OCEANIC AREA
WIND SE/E S OF 01N AND SW/SE ELSE, 3/5. WAVES SW/S
1.5/2.5 E OF 030W AND SE/NE 1.0/2.0 ELSE.
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