CHILEAN NAVY WEATHER SERVICE
PUNTA ARENAS MARITIME METEOROLOGICAL CENTER
ANTARTIC WEATHER ZONE IX.
VLD FM JUL 061200/071200 UTC.
SYNOPTIC SITUATION:
CENTRAL SECTOR (LAT 60S BETWEEN LONG 75W/95W) : FRONTAL.
WEST SECTOR (LAT 60S BETWEEN LONG 95W/120W) : PREFRONTAL TO
FRONTAL.
EAST SECTOR (LAT 60S BETWEEN LONG 50W/75W) : FRONTAL TO
POSTFRONTAL.
FCST:
CENTRAL SECTOR:
OVERCAST, VIS AVERAGE (6/8KM) SNOW, WIND W/SW 20/30KT OCNL 35KT INCR
END OF PERIOD 30/40KT GUSTS 50KT, SEA 4.0/5.5 M AND FROZEN TO SOUTH
OF AREA.
WEST SECTOR:
OVERCAST, VIS AVERAGE (6/8KM) SNOW, WIND W/SW BECMG W/NW 25/15KT
GUSTS 35KT, SEA 4.0/6.0 M AND FROZEN TO SOUTH OF AREA.
DRAKE PASSAGE SOUTH (BETWEEN LAT 60S/63S):
OVERCAST, VIS AVERAGE TO GOOD (8/10KM) SNOW, WIND N/NW 35/25KT GUSTS
55KT DECR 061800 LOCAL TIME 20/15KT OCNL 25KT, SEA 9.0/6.0 M SWELL FM
NW.
BRANSFIELD STRAIT:
OVERCAST TO BROKEN, VIS AVERAGE TO GOOD (4/10KM) MIST/SNOW, WIND W/NW
25/35KT GUSTS 50KT DECR 061800 LOCAL TIME 20/25KT OCNL 30KT, SEA
4.0/2.5 M WITH 07T TO 08T OF SEA ICE CERCANO TO LA PENINSULA.
BAHIA CHILE:
OVERCAST OCNL BROKEN, VIS AVERAGE TO GOOD (4/10KM) MIST/SNOW, WIND
W/NW 35/25KT GUSTS 50KT DECR 061800 LOCAL TIME 20/25KT OCNL 30KT, SEA
MODERATE TO SLIGHT WITH 02T OF SEA ICE IN BAY AND WITH 04T OF SEA ICE
IN ENSENADA IQUIQUE.
RADA COVADONGA:
OVERCAST BECMG TO SCATTERED, VIS POOR TO GOOD (1/10KM) MIST/SNOW,
WIND W/NW 30/35KT GUSTS 50KT DECR 061800 LOCAL TIME 25/30KT GUSTS
CHILEAN NAVY WEATHER SERVICE
VALPARAISO MARITIME METEOROLOGICAL CENTER
WEATHER BULLETIN AND SEA ZONE X VLD FM 061200 TO 071200 UTC.
PART I: SEVERE WEATHER WARN.
CENTRAL EAST AREA (LAT 30 TO 45 SOUTH AND LONG 78 TO 95 WEST):
WIND W/NW 25/35KT GUSTS 45KT DECR TO S OF AREA 15/10KT, SEA 3.0/5.0M,
VIS 8/4KM, SH/RN.
CENTRAL WEST AREA (LAT 30 TO 45 SOUTH AND LONG 95 TO 120 WEST):
WIND N/NW 25/35KT GUSTS 45KT SHIFTING TO S OF AREA S/SE 20/30KT GUSTS
40KT, SEA 3.0/5.0M, VIS 8/4KM, SH/RN.
SOUTHEAST AREA (LAT 45 TO 60 SOUTH AND LONG 81 TO 95 WEST):
WIND W/NW 30/40KT GUSTS 50/60KT, SEA 5.0/8.0M, VIS 8/2KM, SH/RN.
SOUTHWEST AREA (LAT 45 TO 60 SOUTH AND LONG 95 TO 120 WEST):
WIND W/NW 30/40KT GUSTS 50/60KT, SEA 5.0/8.0M, VIS 8/2KM, SH/RN.
PART II: SYNOPTIC SITUATION (ANALYSIS 051800 UTC).
LOW 994 HPA 35S/106W
LOW 994 HPA 43S/96W
PART III: FCST.
NORTHEAST AREA (LAT 18 TO 30 SOUTH AND LONG 76 TO 95 WEST):
WIND S/SE 12/20KT DECR TO S OF AREA 12/5KT, SEA 1.0/2.5M, VIS 10KM.
NORTHWEST AREA (LAT 18 TO 30 SOUTH AND LONG 95 TO 120 WEST):
WIND W/NW 10/15KT INCR TO S OF AREA 15/25KT GUSTS 35KT, SEA 1.0/2.5M,
VIS 10/8KM, SH TO S OF AREA.
CHILEAN NAVY WEATHER SERVICE
VALPARAISO MARITIME METEOROLOGICAL CENTER
FCST ZONES ONE TO EIGHT VLD FM 061200 TO 071200 UTC.
SPECIAL SEVERE WEATHER OR GALE WARN:
-SEVERE GALE IN OCEANIC AREA CORRAL TO PENAS GULF, VALID FROM JUL 05
1900 UTC TO JUL 07 1200 UTC.
-SEVERE WEATHER WARNING AND GALE IN SECTOR INLAND WATERS BAY OF
RELONCAVI, ACCESS OF CHACAO CHANNEL, GULF OF ANCUD AND FROM BUTA
CHAUQUES ISLAND TO MORALEDA CHANNEL, VALID FROM JUL 061300 UTC TO JUL
071800 UTC.
SYNOPTIC SITUATION:
ZONE ONE (ARICA TO COQUIMBO):
ANTICYCLONIC EDGE TO CSTL TROUGH.
ZONE TWO (COQUIMBO TO VALPARAISO):
ANTICYCLONIC EDGE.
ZONE THREE (VALPARAISO TO CONSTITUCION):
ANTICYCLONIC EDGE TO RIDGE.
ZONE FOUR (CONSTITUCION TO I.MOCHA):
RIDGE TO FRONTAL EDGE TO S OF AREA.
ZONE FIVE (I.MOCHA TO P.MONTT):
PREFRONTAL TO FRONTAL.
ZONE SIX (P.MONTT TO F.SAN PEDRO):
FRONTAL TO POSTFRONTAL UNSTABILITY.
ZONE SEVEN (F.SAN PEDRO TO F. EVANGELISTAS):
FRONTAL TO POSTFRONTAL.
ZONE EIGHT (F. EVANGELISTAS TO LAT 60 DGS SOUTH):
FRONTAL.
FCST:
ZONE ONE (ARICA TO COQUIMBO):
OVERCAST AM BECMG TO CLEAR, VIS 8/10KM MATINAL MIST IN CSTL AREA,
WIND S/SW 5/10 KT INCREASING TO SOUTH OF AREA 10/15 KT OCNL 20KT, SEA
1.5/2.5M SWELL FM SW IN OCEANIC AREA, RIPPLED TO SLIGHT IN BAYS.
ZONE TWO (COQUIMBO TO VALPARAISO):
SCATTERED TO CLEAR, VIS 10KM, WIND S/SW 10/15KT OCNL 20KT, SEA
1.5/2.5M SWELL FM SW IN OCEANIC AREA, RIPPLED TO SLIGHT IN BAYS.
ZONE THREE (VALPARAISO TO CONSTITUCION):
SCATTERED TO CLEAR, VIS 10KM, WIND S/SW 10/15KT OCNL 20KT, SEA
1.0/2.5M SWELL FM SW IN OCEANIC AREA, RIPPLED TO SLIGHT IN BAYS.
ZONE FOUR (CONSTITUCION TO I.MOCHA):
CLEAR BECMG TO OVERCAST, VIS 10/8KM SH TO S OF AREA, WIND S/SW
SHIFTING TO S OF AREA W/NW 10/15KT, SEA 1.0/2.0M SWELL FM SW IN
OCEANIC AREA, RIPPLED TO SLIGHT IN BAYS.
ZONE FIVE (I.MOCHA TO P.MONTT):
OVERCAST, VIS 10/2KM SH/RN, WIND N/NW 20/30KT GUSTS 40KT, SEA
3.0/4.0M SWELL FM SW IN OCEANIC AREA, SLIGHT IN BAYS WITH BREAKER IN
CSTL EDGE.
ZONE SIX (P.MONTT TO F.SAN PEDRO):
OVERCAST, VIS 2/10KM RN/SH, WIND N/NW 25/30KT GUSTS 40KT SHIFTING TO
SW/S 25/15KT, SEA 3.0/5.0M SWELL FM W/SW IN OCEANIC AREA.
MET104SM
ISSUED: 05TH JULY 2026 18:00 LOCAL TIME BY THE ZONAL CENTER OF MARINE
METEOROLOGY OF VALPARAISO.
ZONE SEVEN (F.SAN PEDRO TO F. EVANGELISTAS):
OVERCAST, VIS AVERAGE TO GOOD (6/10KM) RN/SH, WIND N/NW 45/55KT
(GALE) GUSTS 70KT OCNL 062100 UTC W/NW 15/25KT, SEA 9.0/6.0 M SWELL
FM NW BECMG W/NW.
ZONE EIGHT (F. EVANGELISTAS TO LAT 60 DGS SOUTH):
(F. EVANGELISTAS TO LAT 56 DGS SOUTH):
OVERCAST, VIS AVERAGE (6/8KM) RN/SH, WIND S/SW 15/25KT OCNL 070300
UTC W/NW 25/35KT GUSTS 45KT, SEA 6.0/7.0 M SWELL FM NW BECMG W/NW.
(LAT 56 DGS SOUTH TO LAT 60 DGS SOUTH):
OVERCAST, VIS AVERAGE (8KM) RN/SH, WIND W/NW 10/20KT GUSTS 30KT INCR
070900 UTC 20/30KT GUSTS 40KT, SEA 7.5/5.0 M SWELL FM NW BECMG W/NW.