High Seas Forecast
Issued by NWS
Issued by NWS
610 FZPN03 KNHC 120937 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC SAT SEP 12 2026 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 SAT SEP 12. 24 HOUR FORECAST VALID 0600 UTC SUN SEP 13. 48 HOUR FORECAST VALID 0600 UTC MON SEP 14. .WARNINGS. ...TROPICAL STORM WARNING... .TROPICAL STORM NORBERT NEAR 17.1N 127.4W 999 MB AT 0900 UTC SEP 12 MOVING WNW OR 285 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 20 NM S SEMICIRCLE...50 NM NE QUADRANT AND 60 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 150 NM N SEMICIRCLE...60 NM SE QUADRANT AND 90 NM SW QUADRANT WITH SEAS TO 7.0 M. ELSEWHERE WITHIN 20N123W TO 23N126W TO 20N131W TO 18N131W TO 14N128W TO 17N123W TO 20N123W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. .24 HOUR FORECAST TROPICAL STORM NORBERT NEAR 17.8N 130.6W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM NE QUADRANT...40 NM SE QUADRANT...30 NM SW QUADRANT...AND 50 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 150 NM NW AND 75 NM SE SEMICIRCLES WITH SEAS TO 7.5 M. ELSEWHERE WITHIN 21N128W TO 23N131W TO 21N133W TO 17N133W TO 16N130W TO 18N128W TO 21N128W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF AREA WITHIN 21N126W TO 24N132W TO 22N135W TO 19N136W TO 15N133W TO 16N128W TO 21N126W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. .48 HOUR FORECAST TROPICAL STORM NORBERT NEAR 18.4N 134.7W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM OF CENTER EXCEPT 70 NM NE QUADRANT. SEAS 4 M OR GREATER WITHIN 150 NM NW AND 75 NM SE SEMICIRCLES WITH SEAS TO 7.0 M. ELSEWHERE WITHIN 23N132W TO 22N137W TO 18N137W TO 17N134W TO 20N131W TO 23N132W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF AREA WITHIN 21N128W TO 26N133W TO 24N138W TO 21N139W TO 17N138W TO 16N135W TO 21N128W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. ...GALE WARNING... .LOW PRESSURE NEAR 15N114W 1006 MB. WITHIN 16N111W TO 18N114W TO 16N115W TO 15N114W TO 13N114W TO 13N112W TO 16N111W SE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M IN SE SWELL. .24 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL CYCLONE...NEAR 16N115W 1005 MB. WITHIN 18N112W TO 19N114W TO 19N116W TO 16N116W TO 14N114W TO 15N112W TO 18N112W SE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. .42 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL CYCLONE...NEAR 15N117W 1004 MB. WITHIN 16N116W TO 16N117W TO 15N118W TO 15N117W TO 15N116W TO 16N116W SE TO S WINDS 30 TO 40 KT. SEAS 3.0 TO 4.0 M. ELSEWHERE WITHIN 17N113W TO 19N115W TO 19N117W TO 18N118W TO 14N115W TO 15N113W TO 17N113W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE SWELL. .48 HOUR FORECAST LITTLE CHANGE. .SYNOPSIS AND FORECAST. .WITHIN 02S104W TO 01N112W TO 01N117W TO 00N120W TO 03.4S120W TO 03.4S101W TO 02S104W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE SWELL. .24 HOUR FORECAST WITHIN 01S111W TO 02N119W TO 00N129W TO 03S120W TO 03.4S120W TO 03.4S94W TO 01S111W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S SWELL. .48 HOUR FORECAST WITHIN 01S95W TO 00N103W TO 01N121W TO 00N130W TO 03.4S120W TO 03.4S94W TO 01S95W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL. .WITHIN 11N87W TO 11N88W TO 11N89W TO 10N89W TO 10N88W TO 10N87W TO 11N87W...INCLUDING THE GULF OF PAPAGAYO... WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE SWELL. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST WITHIN 30N119W TO 30N122W TO 29N122W TO 29N120W TO 30N119W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. CONVECTION VALID AT 0900 UTC SAT SEP 12... .T.S. NORBERT...NUMEROUS MODERATE TO STRONG FROM WITHIN 180 NM NE AND 90 NM SW SEMICIRCLES. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 10N85W TO 07N95W TO 16N115W TO 15N120W, AND FROM 13N125W TO 09N135W TO 14N140W. SCATTERED MODERATE FROM 10N TO 13N BETWEEN 88W AND 91W...FROM 06N TO 11N BETWEEN 90W AND 100W...AND FROM 12N TO 15N BETWEEN 110W AND 117W. $$ .FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.