High Seas Forecast
Issued by NWS
Issued by NWS
748 FZPN03 KNHC 040835 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC THU DEC 4 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC THU DEC 4. 24 HOUR FORECAST VALID 0600 UTC FRI DEC 5. 48 HOUR FORECAST VALID 0600 UTC SAT DEC 6. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .WITHIN 18N136W TO 17N140W TO 09N129W TO 03N125W TO 06N121W TO 08N122W TO 18N136W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW SWELL. .18 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 0800 UTC THU DEC 4... .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 08N78W TO 09N100W. ITCZ FROM 09N100W TO 11N121W...THEN RESUMES FROM 07N128W TO BEYOND 04N140W. A SURFACE TROUGH BREAKS THE ITCZ...FROM 22N119W TO 07N127W. SCATTERED MODERATE ALONG THE MONSOON TROUGH AND E OF 86W...FROM 06N TO 12N BETWEEN 99W AND 107W...AND FROM 07N TO 12N BETWEEN 118W AND 126W. $$ .FORECASTER ERA. NATIONAL HURRICANE CENTER.