High Seas Forecast
Issued by NWS
Issued by NWS
716 FZPN01 KWBC 310958 HSFEP1 HIGH SEAS FORECAST NWS OCEAN PREDICTION CENTER WASHINGTON DC 1030 UTC FRI JUL 31 2026 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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. ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE NATIONAL WEATHER SERVICE. EMAIL US AT VOSOPS@NOAA.GOV(LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). SECURITE PACIFIC S OF 67N AND N OF 30N E OF A LINE FROM THE BERING STRAIT TO 53N172E TO 50N180W TO 30N180W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 0600 UTC JUL 31. 24 HOUR FORECAST VALID 0600 UTC AUG 01. 48 HOUR FORECAST VALID 0600 UTC AUG 02. .WARNINGS. ...GALE WARNING... .FROM 36N TO 40N BETWEEN 119W AND 130W AREA OF NW TO N WINDS TO 25 KT. SEAS TO 3 M. .24 HOUR FORECAST FROM 33N TO 40N BETWEEN 119W AND 128W AREA OF NW TO N WINDS TO 25 KT. SEAS TO 3 M. .42 HOUR FORECAST S OF 42N BETWEEN 120W AND 129W AREA OF NW WINDS 25 TO 35 KT. SEAS TO 3 M. .48 HOUR FORECAST S OF 42N BETWEEN 120W AND 131W AREA OF NW WINDS 25 TO 35 KT. SEAS TO 3 M. .SYNOPSIS AND FORECAST. .LOW 51N140W 1004 MB MOVING S 10 KT THEN TURNING SE AFTER 06 HOURS. E OF A FRONT FROM 55N133W TO 50N129W AND WITHIN 360 NM W SEMICIRCLE WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. .24 HOUR FORECAST LOW 50N138W 1010 MB. WITHIN 420 NM SW SEMICIRCLE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. .48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED. .LOW 54N176W 1005 MB MOVING NE 25 KT. WITHIN 480 NM SE SEMICIRCLE WINDS TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST LOW 57N167W 1008 MB. FROM 45N TO 50N BETWEEN 155W AND 161W WINDS TO 25 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW 52N153W 1014 MB. FROM 44N TO 49N BETWEEN 146W AND 155W WINDS TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST S OF 34N BETWEEN 168W AND 178W AREA OF E WINDS TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST S OF 35N W OF 173W AREA OF NE TO E WINDS TO 25 KT. SEAS TO 3 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 55N W OF 163W. .24 HOUR FORECAST DENSE FOG FROM 47N TO 58N BETWEEN 155W AND 163W. .48 HOUR FORECAST DENSE FOG FROM 42N TO 57N W OF 172W. .FORECASTER KREKELER. OCEAN PREDICTION CENTER. NWS NATIONAL HURRICANE CENTER MIAMI FL E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE EQUATOR E OF 120W SYNOPSIS VALID 0600 UTC FRI JUL 31. 24 HOUR FORECAST VALID 0600 UTC SAT AUG 1. 48 HOUR FORECAST VALID 0600 UTC SUN AUG 2. .WARNINGS. ...TROPICAL STORM WARNING... .TROPICAL STORM GENEVIEVE NEAR 21.7N 127.2W 993 MB AT 0900 UTC JUL 31 MOVING WNW OR 290 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM N SEMICIRCLE...90 NM SE QUADRANT AND 80 NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 180 NM N SEMICIRCLE...90 NM SE QUADRANT AND 150 NM SW QUADRANT WITH SEAS TO 8.0 M. ELSEWHERE WITHIN 23N125W TO 24N126W TO 24N130W TO 22N130W TO 20N128W TO 20N124W TO 23N125W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER AREA WITHIN 30N123W TO 30N131W TO 27N140W TO 15N140W TO 16N128W TO 21N122W TO 30N123W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 23.1N 132.1W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM N SEMICIRCLE...50 NM SE QUADRANT AND 40 NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 150 NM N SEMICIRCLE...75 NM SE QUADRANT AND 90 NM SW QUADRANT WITH SEAS TO 6.5 M. ELSEWHERE WITHIN 25N130W TO 27N134W TO 25N137W TO 22N134W TO 22N130W TO 25N130W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER AREA WITHIN 25N127W TO 29N131W TO 28N140W TO 20N140W TO 18N135W TO 20N130W TO 25N127W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. .48 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 24.7N 137.9W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM S SEMICIRCLE...70 NM NE QUADRANT AND 60 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 120 NM N SEMICIRCLE...60 NM SE QUADRANT AND 90 NM SW QUADRANT WITH SEAS TO 5.5 M. ELSEWHERE OVER FORECAST WATERS WITHIN 28N136W TO 28N140W TO 24N140W TO 24N137W TO 25N135W TO 28N136W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER AREA WITHIN 30N135W TO 30N140W TO 20N140W TO 24N137W TO 20N138W TO 25N133W TO 30N135W 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. .SYNOPSIS AND FORECAST. .WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO 15N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .WITHIN 12N86W TO 12N89W TO 11N90W TO 10N90W TO 10N86W TO 12N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST WITHIN 12N86W TO 12N89W TO 11N90W TO 10N90W TO 10N86W TO 12N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .48 HOUR FORECAST WITHIN 30N113W TO 31N113W TO 31N114W TO 30N114W TO 29N113W TO 29N112W TO 30N113W...INCLUDING THE GULF OF CALIFORNIA... SE TO S WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .48 HOUR FORECAST WITHIN 30N120W TO 30N125W TO 29N123W TO 29N121W TO 30N120W 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 0830 UTC FRI JUL 31... TROPICAL STORM GENEVIEVE...SCATTERED MODERATE WITHIN 120 NM SW SEMICIRCLE. TROPICAL WAVE NEAR 113W FROM 03N TO 19N...SCATTERED MODERATE TO STRONG FROM 04N TO 10N BETWEEN 111W AND 119W. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 09N84W TO 07N90W. ITCZ FROM 07N90W TO 05N96W TO 07.5N110W. MONSOON TROUGH FROM 14N131W TO 10N140W. SCATTERED MODERATE ISOLATED STRONG FROM 03N TO 06N BETWEEN 82W AND 89W... FROM 03N TO 09N BETWEEN 102W AND 107W...AND FROM 10N TO 14N BETWEEN 134W AND 140W. .FORECASTER AL. NATIONAL HURRICANE CENTER. $$