


High Seas Forecast
Issued by NWS
Issued by NWS
923 FZPN03 KNHC 190242 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC TUE AUG 19 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. SECURITE E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE EQUATOR E OF 120W SYNOPSIS VALID 0000 UTC TUE AUG 19. 24 HOUR FORECAST VALID 0000 UTC WED AUG 20. 48 HOUR FORECAST VALID 0000 UTC THU AUG 21. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .WITHIN 01S99W TO 01S113W TO 03.4S119W TO 03S92W TO 01S99W...EXCEPT LEE OF GALAPAGOS ISLANDS... WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE TO S SWELL. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST WITHIN 00N109W TO 00N122W TO 03.4S120W TO 03.4S98W TO 00N109W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE SWELL. .WITHIN 06N108W TO 07N110W TO 06N114W TO 04N114W TO 03N112W TO 03N109W TO 06N108W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S SWELL. .24 HOUR FORECAST WITHIN 07N111W TO 06N114W TO 07N119W TO 05N122W TO 03N115W TO 03N113W TO 07N111W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE TO S SWELL. .48 HOUR FORECAST WITHIN 08N111W TO 08N131W TO 05N135W TO 03N115W TO 06N103W TO 08N111W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE TO S SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. CONVECTION VALID AT 0240 UTC TUE AUG 19... .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 10N85W TO 11N92W TO 12N120W TO 12N140W. SCATTERED MODERATE AND ISOLATED STRONG FROM 10N TO 12N BETWEEN 85W AND 88W...FROM 10N TO 12N BETWEEN 100W AND 110W...FROM 17N TO 20N BETWEEN 116W AND 119W...AND FROM 08N TO 11N BETWEEN 125W AND 127W. $$ .FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.