High Seas Forecast
Issued by NWS
Issued by NWS
106 FZPN03 KNHC 210848 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC FRI AUG 21 2026 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 FRI AUG 21. 24 HOUR FORECAST VALID 0600 UTC SAT AUG 22. 48 HOUR FORECAST VALID 0600 UTC SUN AUG 23. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .WITHIN 13N97W TO 13N102W TO 12N105W TO 11N102W TO 10N97W TO 10N96W TO 13N97W E TO SE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. .24 HOUR FORECAST WITHIN 15N102W TO 16N103W TO 15N106W TO 13N106W TO 13N104W TO 13N102W TO 15N102W SE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. .48 HOUR FORECAST WITHIN 19N107W TO 20N110W TO 18N112W TO 14N111W TO 15N108W TO 16N107W TO 19N107W SE TO S WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN SE TO S SWELL. .LOW PRES NEAR 8.5N115W 1009 MB. WITHIN 10N112W TO 12N113W TO 11N115W TO 09N115W TO 08N113W TO 08N111W TO 10N112W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE TO S SWELL. .24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 10N116W 1008 MB. WITHIN 12N116W TO 13N116W TO 13N117W TO 13N118W TO 12N118W TO 11N117W TO 12N116W WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN S SWELL. .48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 13N116W 1007 MB. WITHIN 14N113W TO 14N116W TO 10N118W TO 07N117W TO 05N115W TO 07N112W TO 14N113W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. .WITHIN 01N107W TO 06N114W TO 02N118W TO 00N131W TO 03S116W TO 03.4S91W TO 01N107W...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 WITHIN 03N109W TO 06N109W TO 07N116W TO 00N118W TO 03S111W TO 01S105W TO 03N109W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE SWELL. .48 HOUR FORECAST CONDITIONS MERGED WITH AREA ABOVE. .WITHIN 16N94W TO 16N95W TO 15N96W TO 15N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 15N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS 2.5 M. .WITHIN 11N86W TO 12N87W TO 12N88W TO 11N89W TO 10N89W TO 10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST WITHIN 11N87W TO 11N88W TO 11N89W TO 10N87W TO 11N86W TO 11N87W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .48 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 0830 UTC FRI AUG 21... .TROPICAL WAVE ALONG 87W...SCATTERED SHOWERS ALONG WAVE AXIS. .TROPICAL WAVE ALONG 100W...SCATTERED MODERATE TO STRONG FROM 06N TO 15N BETWEEN 95W AND 107W. .TROPICAL WAVE ALONG 115W...LOW PRES NEAR 8.5N115W 1009 MB. SCATTERED SHOWERS ALONG WAVE AXIS. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 09N84W TO 08N136W. SCATTERED MODERATE WITHIN 200 NM ON EITHER SIDE OF TROUGH. $$ .FORECASTER ERA. NATIONAL HURRICANE CENTER.