High Seas Forecast
Issued by NWS
Issued by NWS
742 FZPN03 KNHC 040233 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC THU DEC 4 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 THU DEC 4. 24 HOUR FORECAST VALID 0000 UTC FRI DEC 5. 48 HOUR FORECAST VALID 0000 UTC SAT DEC 6. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .WITHIN 23N120W TO 17N140W TO 12N131W TO 01N128W TO 04N121W TO 23N120W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW SWELL. .24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. CONVECTION VALID AT 0200 UTC THU DEC 4... .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 08N78W TO 09N100W. ITCZ FROM 09N100W TO 11N120W...THEN RESUMES FROM 08N132W TO BEYOND 07N140W. SURFACE TROUGH BREAKS THE ITCZ...FROM 21N121W TO 08N128W. SCATTERED MODERATE FROM 06N TO 10N BETWEEN 119W AND 125W...AND FROM 07N TO 11N AND W OF 133W. $$ .FORECASTER ERA. NATIONAL HURRICANE CENTER.