Bulletinset for METAREA 15 Edition date (UTC): 2026-07-31 16:43:21 ============================ HIGH SEAS FORECAST ============================ FZPS04 SCSC 310714 CHILEAN NAVY WEATHER SERVICE VALPARAISO MARITIME METEOROLOGICAL CENTER WEATHER BULLETIN AND SEA ZONE X VLD FM 311200 TO 011200 UTC. PART I: SEVERE WEATHER WARN. CENTRAL EAST AREA (LAT 30 TO 45 SOUTH AND LONG 78 TO 95 WEST): WIND W/SW 30/40KT GUSTS 50/60KT, SEA 3.0/6.0M, VIS 8/2KM, SH/RN. CENTRAL WEST AREA (LAT 30 TO 45 SOUTH AND LONG 95 TO 120 WEST): WIND W/NW SHIFTING TO W/SW 25/35KT GUSTS 45KT, SEA 3.0/6.0M, VIS 8/2KM, SH/RN. SOUTHEAST AREA (LAT 45 TO 60 SOUTH AND LONG 81 TO 95 WEST): WIND E/SE 25/35KT OCNL 40KT, SEA 3.0/5.0M, VIS 8/4KM, SH/RN. SOUTHWEST AREA (LAT 45 TO 60 SOUTH AND LONG 95 TO 120 WEST): WIND N/NE 30/40KT GUSTS 50/60KT SHIFTING S/SW 25/35KT OCNL 40KT, SEA 5.0/9.0M, VIS 8/4KM, SH/RN. PART II: SYNOPTIC SITUATION (ANALYSIS 310600 UTC). HIGH 1018 HPA 22S/106W HIGH 1022 HPA 59S/88W LOW 970 HPA 51S/117W LOW 989 HPA 38S/103W LOW 986 HPA 44S/81W LOW 1006 HPA 33S/80W PART III: FCST. NORTHEAST AREA (LAT 18 TO 30 SOUTH AND LONG 76 TO 95 WEST): WIND S/SW SHIFTING TO S/SE 10/15KT GUSTS 25KT, SEA 1.0/2.5M, VIS 10/8KM, ISOL SH. NORTHWEST AREA (LAT 18 TO 30 SOUTH AND LONG 95 TO 120 WEST): WIND E/SE 10/15KT OCNL 20KT, SEA 1.0/2.5M, VIS 10/8KM, ISOL SH. ============================ ANTARCTIC FORECAST ============================ FZAA02 SCSC 302237 CHILEAN NAVY WEATHER SERVICE PUNTA ARENAS MARITIME METEOROLOGICAL CENTER ANTARTIC WEATHER ZONE IX. VLD FM JUL 311200/011200 UTC. SYNOPTIC SITUATION: CENTRAL SECTOR (LAT 60S BETWEEN LONG 75W/95W) : ANTICYCLONIC. WEST SECTOR (LAT 60S BETWEEN LONG 95W/120W) : ANTICYCLONIC EDGE TO FRONTAL TO WEST OF AREA. SECTOR ESTE (LAT 60S BETWEEN LONG 50W/75W) : ANTICYCLONIC EDGE. FCST: CENTRAL SECTOR: BROKEN TO OVERCAST, VIS GOOD (10KM), WIND SW/S 15/10KT BECMG TO WEST OF AREA TO NORTHEAST 15/20KT GUSTS 30KT, SEA 1.0/2.5 M AND FROZEN TO SOUTH OF AREA. SECTOR WESTE: OVERCAST, VIS GOOD TO AVERAGE (10/8KM) SH TO WEST OF AREA, WIND N/NE 20/25KT GUSTS 35KT INCR TO WEST OF AREA 25/30KT GUSTS 40KT, SEA 3.0/8.0 M AND FROZEN TO SOUTH OF AREA. PASO DRAKE SUR (BETWEEN LAT 60S/63S): OVERCAST, VIS GOOD (10KM), WIND SOUTHWEST 20/25KT, GUSTS 35KT, SEA 4.0/2.0 M. ESTRECHO BRANSFIELD: BROKEN TO SCATTERED, VIS GOOD (10KM), WIND SOUTHWEST 15/20KT GUSTS 30KT, SEA 1.5/2.5 M WITH 04T TO 10T OF SEA ICE CLOSE TO PENINSULA. BAHIA CHILE: BROKEN, VIS GOOD (10KM), WIND SOUTHWEST 10/15KT GUSTS 30KT, SEA RIPPLED WITH 03T OF SEA ICE IN BAY AND 07T OF SEA ICE IN ENSENADA IQUIQUE. RADA COVADONGA: BROKEN TO SCATTERED, VIS GOOD (10KM), WIND W/SW 5/10KT GUSTS 20KT DECR TO CALM, SEA 1.0/0.2 M WITH 05T TO 10T OF SEA ICE. MAR WEDDELL: BROKEN TO SCATTERED, VIS GOOD (10KM), WIND N/NE BECMG TO NORTHWEST 5/10KT OCNL 15KT, SEA 09T TO 10T OF SEA ICE IN ANTARCTIC SOUND AND IN EREBUS AND TERROR GULF. ============================ COASTAL FORECAST ============================ FZPS02 SCSC 302236 ZONE THREE (VALPARAISO TO CONSTITUCION): OVERCAST TO BROKEN, VIS 4/6KM RN, WIND N/NW SHIFTING TO N/NE 15/25KT GUSTS 35 KT DECR 15/10 KT, SEA 2.0/3.5M IN OCEANIC AREA, RIPPLED BECMG TO MODERATE IN BAYS WITH BREAKER IN CSTL EDGE. ZONE FOUR (CONSTITUCION TO I.MOCHA): OVERCAST, VIS 4/8KM RN/SH, WIND N/NW 35/25KT GUSTS 45/55KT DECR 20/15KT INCR 010900 UTC TO 20/30KT GUSTS 40KT, SEA 2.5/3.5M IN OCEANIC AREA, SLIGHT TO MODERATE IN BAYS WITH BREAKER WEAK IN CSTL EDGE. ZONE FIVE (I.MOCHA TO P.MONTT): OVERCAST, VIS 4/2KM RN, WIND N/NW 35/25KT GUSTS 45/55KT, SEA 3.0/4.0M IN OCEANIC AREA, SLIGHT TO MODERATE IN BAYS WITH BREAKER IN CSTL EDGE. ZONE SIX (P.MONTT TO F.SAN PEDRO): OVERCAST, VIS 4/2KM RN, WIND N/NW 25/30KT INCR 30/40KT GUSTS 55/80KT, SEA 4.0/7.0M IN OCEANIC AREA. MET108SS ISSUED: 30TH 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 TO NORTH OF AREA, WIND NE/E 20/25KT GUSTS 35KT INCR AGO 010300 UTC TO NORTH OF AREA 30/35KT GUSTS 45KT, SEA 3.0/5.0 M SWELL FM SW/S. ZONE EIGHT (F. EVANGELISTAS TO LAT 60 DGS SOUTH): (F. EVANGELISTAS TO LAT 56 DGS SOUTH): BROKEN TO OVERCAST, VIS GOOD (10KM), WIND SE/E 10/15KT INCR TO WEST OF AREA E/NE 25/35KT GUSTS 45KT, SEA 2.5/4.0 M SWELL FM SW/S. (LAT 56 DGS SOUTH TO LAT 60 DGS SOUTH): BROKEN, VIS GOOD (10KM), WIND E/SE BECMG TO EAST OF AREA S/SW 10/15KT, SEA 2.0/3.0 M SWELL FM SW/S. ============================ COASTAL FORECAST ============================ FZPS02 SCSC 302236 CHILEAN NAVY WEATHER SERVICE VALPARAISO MARITIME METEOROLOGICAL CENTER FCST ZONES ONE TO EIGHT VLD FM 311200 TO 011200 UTC. SPECIAL SEVERE WEATHER OR GALE WARN: -SVR WEATHER WARN TO OCEANIC AREA HUASCO TO PICHILEMU AREA VLD FM JUL 311000 UTC TO JUL 312100 UTC. -UPDATE SVR WEATHER AND GALE WARM IN CSTL OCEANIC AREA FM PUNTA BOYERUCA TO CORRAL AREA VLD FM JUL 291600 UTC TO JUL 312100 UTC. -SEVERE WEATHER WARNING AND GALE STORM WARNING IN OCEANIC AREA AND CSTL EDGE FROM CORRAL TO GOLFO DE PENAS AREA VALID FROM JUL 300000 UTC TO AGO 010000 UTC. SYNOPTIC SITUATION: ZONE ONE (ARICA TO COQUIMBO): RIDGE. ZONES TWO AND THREE (COQUIMBO TO CONSTITUCION): FRONTAL TO POSTFRONTAL UNSTABILITY. ZONE FOUR (CONSTITUCION TO I.MOCHA): POSTFRONTAL UNSTABILITY TO PREFRONTAL. ZONES FIVE TO SIX (I.MOCHA TO F.SAN PEDRO): POSTFRONTAL UNSTABILITY TO FRONTAL. ZONE SEVEN (F.SAN PEDRO TO F. EVANGELISTAS): FRONTAL. ZONE EIGHT (F. EVANGELISTAS TO LAT 60 DGS SOUTH): ANTICYCLONIC TO FRONTAL TO NORTH OF AREA. FCST: ZONE ONE (ARICA TO COQUIMBO): OVERCAST BECMG TO SCATTERED, VIS 10KM, WIND CALM TO W/SW 4/8KT OCNL 12KT INCR TO S OF AREA 15/25KT GUSTS 35KT, SEA 1.0/2.0M SWELL FM W/SW IN OCEANIC AREA, RIPPLED TO SLIGHT IN BAYS IN BAYS WITH BREAKER IN CSTL EDGE. ZONE TWO (COQUIMBO TO VALPARAISO): OVERCAST, VIS 6/4KM SH/RN, WIND CALM TO N/NW SHIFTING TO N/NE 15/25KT GUSTS 35KT DECR 15/10KT, SEA 2.0/3.5M SWELL FM W/SW IN OCEANIC AREA, RIPPLED BECMG TO MODERATE IN BAYS WITH BREAKER IN CSTL EDGE.