1 31 05 02 12 20
SECURITE
WEATHER AND SEA BULLETIN ISSUED 19/AUG/2026 1200Z
DATE AND TIME UTC
PRESSURE HPA
WINDS BEAUFORT SCALE
WAVES HEIGHT METER
PART ONE WARNINGS
WARNING NR 546/2026
VERY ROUGH SEA WARNING
ISSUED AT 1300 SUN 16/AUG/2026
OCEANIC AREA BETWEEN 36S035W, 36S020W, 30S020W AND
30S030W STARTING AT 181200. WAVES NW/W 4.0/5.0.
VALID UNTIL 201200.
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 554/2026
LOW VISIBILITY WARNING
ISSUED AT 1300 WED 19/AUG/2026
COASTAL AREA BETWEEN IMBITUBA (SC) AND SANTOS (SP) A
100 NM OFFSHORE STARTING AT 200300. PATCHES OF FOG.
VALID UNTIL 201200.
WARNING NR 555/2026
GALE WARNING
ISSUED AT 1300 WED 19/AUG/2026
OCEANIC AREA BETWEEN 30S030W, 30S020W, 36S020W AND
36S030W. WIND NW/W 8 WITH GUSTS.
VALID UNTIL 200600.
THIS WARNING REPLACES THE WARNING NR 545/2026.
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.
PART TWO WEATHER ANALYSIS AT 191200
LOW 1014 26S046W. HIGH 1026 35S061W. HIGH 1030 30S002W.
C-FRONT 30S043W, 31S035W AND 36S021W MOVING TO E/NE AT
5 KT. W-FRONT 26S046W, 30S051W AND 30S046W. TROPICAL
WAVE 20N030W, 10N031W AND 05N030W MOVING TO W AT 10-15
KT. TROPICAL WAVE 19N048W, 11N049W AND 05N048W MOVING
TO W AT 10-15 KT.
INTERTROPICAL CONVERGENCE ZONE (ITCZ) EM 08N020W,
08N030W, 06N040W AND 03N046W.
PART THREE WEATHER FCST VALID FM 200000 TO 210000
AREA ALFA (FM CHUI TO LAGUNA)
OCNL HVY SHWRS AND ISOL THUNDERSTORMS. WIND SE/NE 2/3
BACK NE/NW 5/7 WITH GUSTS. WAVES SE/NE 0.5/1.5 BECMG
NE/NW 1.5/2.5. VIS MOD/POOR DURING SHWRS.
AREA BRAVO (FM LAGUNA TO ARRAIAL DO CABO OCEANIC)
ISOL SHWRS S OF 28S. WIND SE/NE 2/4 BACK NE/N 3/5 WITH
GUSTS. WAVES SE/NE BECMG NE/NW 1.0/1.6. VIS MOD DURING
SHWRS.
AREA CHARLIE (FM LAGUNA TO ARRAIAL DO CABO SHORE)
MIST/PATCHES OF FOG DURING EARLY MORNING/MORNING S OF
SANTOS/SP AND ISOL SHWRS S OF 28S. WIND NW/SW 2/3 BACK
NE/NW 3/5. WAVES SE/NE 0.5/1.0. VIS MOD/VERY POOR
DURING SHWRS/FOG.
AREA DELTA (FM ARRAIAL DO CABO TO CARAVELAS)
WIND NE/N 3/5, BECMG 5/6 WITH GUSTS 7 S OF 21S AND W OF
039W. WAVES SE/NE 1.0/1.5. VIS GOOD.
AREA ECHO (FM CARAVELAS TO SALVADOR)
WIND SE/NE 2/4. WAVES SE/E 0.5/1.5. VIS GOOD.
AREA FOXTROT (FM SALVADOR TO NATAL)
ISOL SHWRS. WIND SE/E 3/5. WAVES S/SE 1.5/2.5. 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 1.5/2.5. VIS MOD DURING SHWRS.
AREA HOTEL (FM SAO LUIS TO OIAPOQUE)
ISOL SHWRS. WIND SE/NE 3/5. WAVES SE/NE, 0.5/1.2 NEAR
THE COAST AND 1.2/2.2 ELSE. VIS MOD DURING SHWRS.
SOUTH OCEANIC AREA
S OF 30S W OF 030W
OCNL HVY SHWRS AND ISOL THUNDERSTORMS W OF 040W. WIND
SW/SE BACK NE/NW 3/5 WITH GUSTS. WAVES NW/SW 1.0/2.0.
VIS MOD/POOR DURING SHWRS.
S OF 30S E OF 030W
ISOL SHWRS E OF 025W. WIND NW/W 6/8 WITH GUSTS 9 BACK
W/SW 2/4. WAVES NW/SW 3.0/6.0 BECMG 1.5/2.5. VIS MOD
DURING SHWRS.
BETWEEN 30S AND 25S
ISOL SHWRS E OF 035W. WIND NW/SW BACK N/NW 3/5 W OF
030W AND NW/SW 5/7 WITH GUSTS 8 BACK SE/NE 2/3 ELSE.
WAVES NE/NW BECMG NW/SW 1.0/2.0 W OF 030W AND NW/SW
2.0/4.0 BECMG W/SW 1.0/2.0 ELSE. VIS MOD DURING SHWRS.
N OF 25S
ISOL SHWRS N OF 20S AND E OF 025W. WIND SE/NE, OCNL
NW/SW S OF 22S, 2/4. WAVES SW/SE 0.5/1.5. VIS MOD
DURING SHWRS.
NORTH OCEANIC AREA
ISOL SHWRS. 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 210000 TO 220000
AREA ALFA (FM CHUI TO LAGUNA)
WIND NW/SW BACK SW/S 6/8 WITH GUSTS. WAVES NE/NW
1.5/2.5 BECMG SW/S 2.5/5.0.
AREA BRAVO (FM LAGUNA TO ARRAIAL DO CABO OCEANIC)
WIND NE/NW BACK SW/S 6/8 WITH GUSTS. WAVES NE/NW
1.0/1.8 BECMG NW/SW 2.0/4.0.
AREA CHARLIE (FM LAGUNA TO ARRAIAL DO CABO SHORE)
WIND NE/NW 3/5 BACK SW/SE 5/7 WITH GUSTS 8. WAVES SE/NE
0.5/1.5 BECMG SW/SE 1.0/2.5.
AREA DELTA (FM ARRAIAL DO CABO TO CARAVELAS)
WIND NE/NW BACK NW/SW 5/6 WITH GUSTS 7. WAVES E/NE
1.0/2.0, BECMG NW/SW 2.0/3.0 S OF 21S.
AREA ECHO (FM CARAVELAS TO SALVADOR)
WIND SE/NE 2/4 BACK NE/N 3/5. WAVES SE/NE 0.5/1.5.
AREA FOXTROT (FM SALVADOR TO NATAL)
WIND SE/NE 2/4. WAVES S/SE 1.0/2.0.
AREA GOLF (FM NATAL TO SAO LUIS)
WIND SE/NE 4/5, WITH GUSTS 7 NEAR THE COAST. WAVES
SE/NE 1.2/2.0.
AREA HOTEL (FM SAO LUIS TO OIAPOQUE)
WIND SE/NE 3/5. WAVES SE/NE, 0.5/1.0 NEAR THE COAST AND
1.0/2.0 ELSE.
SOUTH OCEANIC AREA
S OF 30S W OF 030W
WIND NW/SW 6/8 WITH GUSTS 9. WAVES NW/SW 1.0/2.0 BECMG
3.0/4.0.
S OF 30S E OF 030W
WIND W/SW 2/4 BACK N/NW 6/8 WITH GUSTS. WAVES NW/SW
1.5/2.5, BECMG N/NW 3.0/5.0 W OF 025W.
BETWEEN 30S AND 25S
WIND NW/SW 5/7 WITH GUSTS 8 W OF 030W AND SE/NE 2/4
BACK N/NW 4/6 ELSE. WAVES NW/SW 1.0/2.0 BECMG 2.0/3.5 W
OF 030W AND W/SW 1.0/2.0 BECMG NW/SW 1.5/2.5 ELSE.
N OF 25S
WIND SE/NE 2/4, BACK NE/NW 3/5 WITH GUSTS 7 S OF 20S.
WAVES SW/SE 0.5/1.5, BECMG N/NW 1.5/2.5 S OF 22S.
NORTH OCEANIC AREA
WIND SE/E 3/5 S OF 03N AND SW/SE 2/4 ELSE. WAVES SW/SE
1.0/2.0.=