


High Seas Forecast
Issued by NWS
Issued by NWS
236 FZPN03 KNHC 170828 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC SAT MAY 17 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC SAT MAY 17. 24 HOUR FORECAST VALID 0600 UTC SUN MAY 18. 48 HOUR FORECAST VALID 0600 UTC MON MAY 19. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .WITHIN 31N113W TO 32N115W TO 31N115W TO 30N115W TO 30N114W TO 30N113W TO 31N113W...INCLUDING THE GULF OF CALIFORNIA...S TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .06 HOUR FORECAST CONDITIONS IMPROVE. S TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .18 HOUR FORECAST WITHIN 31N113W TO 32N115W TO 31N115W TO 30N115W TO 30N114W TO 30N113W TO 31N113W...INCLUDING THE GULF OF CALIFORNIA... S TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST LITTLE CHANGE. .30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .WITHIN 13N131W TO 20N140W TO 09N140W TO 09N133W TO 13N131W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL. .24 HOUR FORECAST WITHIN 15N135W TO 16N140W TO 08N140W TO 08N135W TO 12N132W TO 15N135W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .48 HOUR FORECAST WITHIN 13N133W TO 15N140W TO 07N140W TO 10N134W TO 13N133W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL. .42 HOUR FORECAST WITHIN 30N118.5W TO 30N124W TO 29.5N124W TO 29.5N121.5W TO 29.5N119.5W TO 30N118.5W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL. .48 HOUR FORECAST WITHIN 30N118W TO 30N127W TO 28N124W TO 28N120W TO 30N118W NW TO N WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN N SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. CONVECTION VALID AT 0800 UTC SAT MAY 17... .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 10N86W TO 06N131W. ITCZ FROM 06N131W TO BEYOND 05N140W. SCATTERED MODERATE FROM 04N TO 12N AND E OF 107W AND FROM 04N TO 12N AND W OF 115W. $$ .FORECASTER ERA. NATIONAL HURRICANE CENTER.