


High Seas Forecast
Issued by NWS
Issued by NWS
295 FZPN03 KNHC 272121 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC WED AUG 27 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 27. 24 HOUR FORECAST VALID 1800 UTC THU AUG 28. 48 HOUR FORECAST VALID 1800 UTC FRI AUG 29. .WARNINGS. ...TROPICAL STORM WARNING... .TROPICAL STORM JULIETTE NEAR 23.9N 120.2W 1006 MB AT 2100 UTC AUG 27 MOVING NNW OR 330 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM NW AND SE QUADRANTS...40 NM NE QUADRANT AND 0 NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 30 NM S SEMICIRCLE...75 NM NE QUADRANT AND 60 NM NW QUADRANT WITH SEAS TO 5.0 M. ELSEWHERE WITHIN 24N118W TO 25N119W TO 25N120W TO 23N121W TO 23N119W TO 23N118W TO 24N118W WINDS 20 TO 33 KT. SEAS 3.0 TO 5.0 M. REMAINDER OF AREA WITHIN 25N116W TO 25N118W TO 24N122W TO 21N122W TO 21N121W TO 22N117W TO 25N116W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. .24 HOUR FORECAST POST-TROPICAL REMNANT LOW JULIETTE NEAR 26.6N 120.8W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 27N119W TO 27N120W TO 27N121W TO 27N120W TO 26N121W TO 26N120W TO 27N119W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M IN SE TO S SWELL. ELSEWHERE WITHIN 29N118W TO 29N121W TO 28N122W TO 26N122W TO 26N119W TO 29N118W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL. .48 HOUR FORECAST POST-TROPICAL REMNANT LOW JULIETTE NEAR 27.8N 120.8W. MAXIMUM SUSTAINED WINDS 15 KT GUSTS 20 KT. OVER FORECAST WATERS...WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. .SYNOPSIS AND FORECAST. .WITHIN 16N94W TO 16N95W TO 16N96W TO 13N97W TO 13N95W TO 14N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. WITHIN 15N104W TO 15N109W TO 13N110W TO 13N108W TO 13N104W TO 13N103W TO 15N104W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. .24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO 14N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...NE WINDS 20 TO 25 KT. SEAS TO 2.5 M. .30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .WITHIN 03S103W TO 02.5S120W TO 03.4S120W TO 03.4S102.5W TO 03S103W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E TO SE SWELL. WITHIN 06N106W TO 07N106W TO 07N107W TO 06N107W TO 05N107W TO 06N106W TO 06N106W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE SWELL. .24 HOUR FORECAST WITHIN 01S110W TO 02N120W TO 00N129W TO 01S120W TO 03.4S120W TO 03.4S103W TO 01S110W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E TO SE SWELL. .48 HOUR FORECAST WITHIN 05N112W TO 07N119W TO 03N122W TO 03.4S115W TO 03.4S97W TO 01N110W TO 05N112W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S SWELL. .48 HOUR FORECAST WITHIN 15N119W TO 15N120W TO 15N121W TO 14N121W TO 14N120W TO 14N119W TO 15N119W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. CONVECTION VALID AT 2100 UTC WED AUG 27... .TROPICAL WAVE ALONG 105W...SCATTERED MODERATE TO STRONG FROM 07N TO 19N BETWEEN 101W AND 116W. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 10N86W TO 14N110W...THEN RESUMES SW OF T.S. JULIETTE FROM 18N121W TO 11N140W. SCATTERED MODERATE WITHIN 120 NM ON EITHER SIDE OF MONSOON TROUGH AND E OF 102W. $$ .FORECASTER ERA. NATIONAL HURRICANE CENTER.