CHILEAN NAVY WEATHER SERVICE
VALPARAISO MARITIME METEOROLOGICAL CENTER
WEATHER BULLETIN AND SEA ZONE X VLD FM 301200 TO 311200 UTC.
PART I: SEVERE WEATHER WARN.
CENTRAL SECTOR EAST (LAT 30 TO 45 SOUTH AND LONG 78 TO 95 WEST):
WIND W/NW 25/35KT SHIFTING TO S OF AREA E/SE 30/40KT GUSTS 50/60KT,
SEA 4.0/7.0M, VIS 8/2KM, SH/RN.
CENTRAL WEST AREA (LAT 30 TO 45 SOUTH AND LONG 95 TO 120 WEST):
WIND S/SW 5/15KT SHIFTING TO W OF AREA N/NW 25/35KT GUSTS 45KT, SEA
2.5/4.0M, VIS 8/2KM, SH/RN TO T OF AREA.
SOUTHEAST AREA (LAT 45 TO 60 SOUTH AND LONG 81 TO 95 WEST):
WIND E/NE 25/35KT GUSTS 45KT, SEA 5.0/8.0M, VIS 8/2KM, SH/RN.
PART II: SYNOPTIC SITUATION (ANALYSIS 291800 UTC).
HIGH 1030 HPA 47S/103W
LOW 1002 HPA 34S/98W
PART III: FCST.
NORTHEAST AREA (LAT 18 TO 30 SOUTH AND LONG 76 TO 95 WEST):
WIND W/NW 5/15KT INCR TO S OF AREA 15/25KT GUSTS 35KT, SEA 2.5/4.0M,
VIS 10/8KM, SH TO S OF AREA.
NORTHWEST AREA (LAT 18 TO 30 SOUTH AND LONG 95 TO 120 WEST):
WIND S/SE 5/10KT OCNL 15KT, SEA 1.0/2.5M, VIS 10KM.
SOUTHWEST AREA (LAT 45 TO 60 SOUTH AND LONG 95 TO 120 WEST):
WIND S/NE 10/15KT 25KT, SEA 4.0/6.0M, VIS 8/2KM, SH/RN.
CHILEAN NAVY WEATHER SERVICE
PUNTA ARENAS MARITIME METEOROLOGICAL CENTER
ANTARTIC WEATHER ZONE IX.
VLD FM MAY 301200/311200 UTC.
SYNOPTIC SITUATION:
CENTRAL SECTOR (LAT 60S BETWEEN LONG 75W/95W): POSTFRONTAL
UNSTABILITY TO FRONTAL.
WEST SECTOR (LAT 60S BETWEEN LONG 95W/120W): FRONTAL TO POSTFRONTAL
UNSTABILITY.
EAST SECTOR (LAT 60S BETWEEN LONG 50W/75W): ANTICYCLONIC EDGE.
FCST:
CENTRAL SECTOR:
OVERCAST, VIS GOOD TO AVERAGE (10/4KM) MIST/RN, WIND W/NW 20/25KT
GUSTS 35KT INCR 302100 UTC NW 30/35KT GUSTS 55KT, SEA 5.0/8.0 M AND
FROZEN TO SOUTH OF AREA.
WEST SECTOR:
OVERCAST TO BROKEN, VIS AVERAGE TO GOOD (8/10KM) RN, WIND NW 35/40KT
GUSTS 55KT DECR 302100 UTC 15/20KT GUSTS 30KT, SEA 5.0/8.0 M DECR
311200 UTC 4.0/6.0 M AND FROZEN TO SOUTH OF AREA.
DRAKE PASSAGE SOUTH (BETWEEN LAT 60S/63S):
OVERCAST TO BROKEN, VIS GOOD (10KM), WIND SW 20/25KT GUSTS 35KT INCR
END OF PERIOD 25/30KT GUSTS 50KT, SEA 2.0/4.0 M SWELL FM W/SW.
BRANSFIELD STRAIT:
BROKEN TO OVERCAST, VIS GOOD (10KM), WIND SW 20/25KT GUSTS 35KT INCR
END OF PERIOD 30/35KT GUSTS 45KT, SEA 2.0/3.5 M WITH 01T TO 08T OF
SEA ICE CLOSE TO PENINSULA.
BAHIA CHILE:
BROKEN TO OVERCAST, VIS GOOD (10KM), WIND SW 10/15KT INCR END OF
PERIOD 20/25KT GUSTS 35KT, SEA RIPPLED TO SLIGHT WITH 02T OF SEA ICE
IN BAY AND WITH 01T OF SEA ICE IN ENSENADA IQUIQUE.
RADA COVADONGA:
BROKEN TO OVERCAST, VIS GOOD (10KM), WIND SW 5/15KT INCR END OF
PERIOD 15/20KT GUSTS 35KT, SEA 0.2/0.5 M WITH 10T OF SEA ICE.
WEDDELL SEA:
FM SW IN OCEANIC AREA, RIPPLED TO SLIGHT IN BAYS.
ZONE SIX (P.MONTT TO F.SAN PEDRO):
BROKEN TO OVERCAST, VIS 10/8KM SH ISOL, WIND S/SE 12/20KT OCNL 25KT,
SEA 1.0/2.5M SWELL FM W/SW IN OCEANIC AREA.
MET104SM
ISSUED: 29TH MAY 2026 18:00 LOCAL TIME BY THE ZONAL CENTER OF MARINE
METEOROLOGY OF VALPARAISO.
ZONE SEVEN (F.SAN PEDRO TO F. EVANGELISTAS):
OVERCAST TO BROKEN, VIS AVERAGE TO GOOD (6/10KM) SH, WIND S/SE
10/15KT INCR TO S OF AREA 15/20KT GUSTS 30KT, SEA 2.5/3.5 M SWELL FM
SW.
ZONE EIGHT (F. EVANGELISTAS TO LAT 60 DGS SOUTH):
(F. EVANGELISTAS TO LAT 56 DGS SOUTH):
OVERCAST TO SCATTERED, VIS GOOD (10KM) SH, WIND SE/S 10/15KT BECMG
EAST OF AREA S/SW 15/20KT GUSTS 30KT, SEA 2.0/3.0 M SWELL FM W/SW.
(LAT 56 DGS SOUTH TO LAT 60 DGS SOUTH):
SCATTERED, VIS GOOD (10KM), WIND W/SW 15/20KT GUSTS 30KT, SEA 2.0/2.5
M SWELL FM W/SW.
CHILEAN NAVY WEATHER SERVICE
VALPARAISO MARITIME METEOROLOGICAL CENTER
FCST ZONES ONE TO EIGHT VLD FM 301200 TO 311200 UTC.
SPECIAL SEVERE WEATHER OR GALE WARN:
-NO.
SYNOPTIC SITUATION:
ZONES ONE TO THREE (ARICA TO CONSTITUCION):
CSTL TROUGH TO RIDGE.
ZONE FOUR (CONSTITUCION TO I.MOCHA):
CYCLONIC CIRCULATION.
ZONES FIVE AND SIX (I.MOCHA TO F.SAN PEDRO):
ANTICYCLONIC EDGE WITH REST OF UNSTABILITY.
ZONES SEVEN AND EIGHT (F.SAN PEDRO TO LAT 60 DGS SOUTH):
UNSTABLE TO ANTICYCLONIC.
FCST:
ZONE ONE (ARICA TO COQUIMBO):
OVERCAST AM BECMG TO CLEAR, VIS 4/10KM MATINAL MIST IN CSTL SECTOR,
WIND S/SW 5/10KT OCNL 15KT, SEA 1.0/2.5M SWELL FM SW IN OCEANIC AREA,
RIPPLED TO SLIGHT IN BAYS.
ZONE TWO (COQUIMBO TO VALPARAISO):
OVERCAST TO BROKEN, VIS 4/10KM MIST AND PROBABLE DRIZZLE AM, WIND
S/SW SHIFTING TO N/NW 5/10KT OCNL 15KT, SEA 1.0/2.5M SWELL FM SW IN
OCEANIC AREA, RIPPLED TO SLIGHT IN BAYS.
ZONE THREE (VALPARAISO TO CONSTITUCION):
OVERCAST TO BROKEN, VIS 4/10KM MIST AND PROBABLE DRIZZLE AM, WIND
S/SW 12/18KT SHIFTING TO S OF AREA N/NW 5/10KT OCNL 15KT, SEA
1.0/2.5M SWELL FM SW IN OCEANIC AREA, RIPPLED TO SLIGHT IN BAYS.
ZONE FOUR (CONSTITUCION TO I.MOCHA):
OVERCAST TO BROKEN, VIS 4/10KM MIST AND PROBABLE DRIZZLE AM, WIND
S/SW 10/15KT GUSTS 25KT SHIFTING N/NW 12/18KT, SEA 1.0/2.5M SWELL FM
SW IN OCEANIC AREA, RIPPLED TO SLIGHT IN BAYS.
ZONE FIVE (I.MOCHA TO P.MONTT):
CLEAR TO SCATTERED, VIS 10KM, WIND S/SE 15/25KT, SEA 1.0/2.5M SWELL