High Seas Forecast
Issued by NWS
Issued by NWS
532 FZPN40 PHFO 141032 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1100 UTC FRI AUG 14 2026 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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. THIS HIGH SEAS FORECAST USES 1-MINUTE AVERAGE WINDS WHICH MAY BE HIGHER THAN 10-MINUTE AVERAGE WINDS. SECURITE NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W SYNOPSIS VALID 0600 UTC AUG 14 2026. 24 HOUR FORECAST VALID 0600 UTC AUG 15 2026. 48 HOUR FORECAST VALID 0600 UTC AUG 16 2026. .WARNINGS. ...HURRICANE WARNING... .TROPICAL STORM LALA NEAR 16.7N 148.9W 997 MB AT 0900 UTC AUG 14 MOVING WNW OR 290 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM S SEMICIRCLE...240 NM NE QUADRANT AND 140 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 300 NM NE QUADRANT...150 NM SE QUADRANT...180 NM SW QUADRANT...AND 210 NM NW QUADRANT WITH SEAS TO 5 M. WINDS 20 TO 30 KT AND SEAS 2.5 TO 4 M ELSEWHERE FROM 12N TO 24N E OF 155W. SCATTERED MODERATE TO STRONG TSTMS WITHIN 180 NM OF CENTER. .24 HOUR FORECAST TROPICAL STORM LALA NEAR 17.6N 152.2W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 230 NM NE QUADRANT...70 NM SE QUADRANT...30 NM SW QUADRANT...AND 200 NM NW QUADRANT. SEAS 4 TO 7 M FROM 16N TO 22N BETWEEN 149W AND 156W. WINDS 20 TO 30 KT ELSEWHERE FROM 15N TO 24N BETWEEN 148W AND 162W. SEAS 2.5 TO 4 M ELSEWHERE FROM 11N TO 26N BETWEEN 141W AND 162W. .48 HOUR FORECAST HURRICANE LALA NEAR 19.2N 156.5W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 180 NM N SEMICIRCLE...80 NM SE QUADRANT AND 40 NM SW QUADRANT. SEAS 4 TO 7 M FROM 16N TO 21N BETWEEN 151W AND 157W. WINDS 20 TO 30 KT ELSEWHERE FROM 15N TO 25N BETWEEN 150W AND 161W...AND SEAS 2.5 TO 4 M ELSEWHERE FROM 12N TO 26N BETWEEN 165W AND 148W. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. SEE THE LATEST BULLETIN ISSUED BY NHC UNDER WMO HEADER WTPA22 PHFO. .SYNOPSIS AND FORECAST .WINDS 20 KT OR LESS OVER THE REMAINDER OF FORECAST AREA. .48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 14N TO 22N E OF 143W. .SEAS 2.5 M OR LOWER OVER THE REMAINDER OF FORECAST AREA. .MONSOON TROUGH 13N146W 09N149W 08N154W 07N161W 08N169W 09N174W 10N180W ISOLATED MODERATE TSTMS WITHIN 120 NM OF TROUGH E OF 175W. .SCATTERED MODERATE TO STRONG TSTMS ALONG A LINE 00N153W 10N143W 15N142W. $$ .FORECASTER KINO. HONOLULU HI.