High Seas Forecast
Issued by NWS
Issued by NWS
495 FZPN03 KNHC 132118 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC WED AUG 13 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC WED AUG 13. 24 HOUR FORECAST VALID 1800 UTC THU AUG 14. 48 HOUR FORECAST VALID 1800 UTC FRI AUG 15. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .12 HOUR FORECAST WITHIN 15 NM OF A LINE FROM 11N86W TO 09.5N89W... INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .36 HOUR FORECAST FROM 10.5N TO 12N E OF 90W...INCLUDING THE GULF OF PAPAGAYO...E WINDS 20 TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .12 HOUR FORECAST GULF OF CALIFORNIA N OF 30N SE TO S WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .42 HOUR FORECAST GULF OF CALIFORNIA N OF 28N SE TO S WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .48 HOUR FORECAST GULF OF CALIFORNIA N OF 29N SE TO S WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. CONVECTION VALID AT 2100 UTC WED AUG 13... .TROPICAL WAVE WITH AXIS ALONG 89W...SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS NOTED FROM 05N TO 12N BETWEEN 88W AND 91W. .TROPICAL WAVE WITH AXIS NEAR 104W...SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS OBSERVED FROM 11N TO 19N BETWEEN 100W AND 110W. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... THE MONSOON TROUGH EXTENDS FROM 10N85W TO 11N104W TO 09N115W TO 12N124W TO 11N140W. ASIDE FROM THE CONVECTION ASSOCIATED WITH THE TROPICAL WAVES...SCATTERED MODERATE TO ISOLATED STRONG CONVECTION CAN BE FOUND FROM 04N TO 08N BETWEEN 82W AND 88W...AND FROM 03N TO 13N W OF 110W. SCATTERED MODERATE CONVECTION IS FROM 03N TO 07.5N E OF 81W...INCLUDING THE ENTRANCE TO THE GULF OF PANAMA. $$ .FORECASTER GR. NATIONAL HURRICANE CENTER.