High Seas Forecast
Issued by NWS
Issued by NWS
354 FZPN40 PHFO 021505 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1700 UTC FRI OCT 02 2026 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC OCT 02 2026. 24 HOUR FORECAST VALID 1200 UTC OCT 03 2026. 48 HOUR FORECAST VALID 1200 UTC OCT 04 2026. .WARNINGS. ...HURRICANE WARNING... .TROPICAL STORM NOLO NEAR 23.2N 167.2W 987 MB AT 1500 UTC OCT 02 MOVING WNW OR 285 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE QUADRANT...70 NM SE QUADRANT...50 NM SW QUADRANT...AND 90 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 6 M. SCATTERED MODERATE TSTMS WITHIN 60 NM N SEMICIRCLE OF LOW CENTER. .24 HOUR FORECAST HURRICANE NOLO NEAR 23.3N 170.7W. MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE QUADRANT...80 NM SE QUADRANT...60 NM SW QUADRANT...AND 110 NM NW QUADRANT. SEAS 4 M OR GREATER FROM 23N TO 26N BETWEEN 167W TO 172W WITH SEAS TO 7 M. SEAS 2.5 TO 4 M ELSEWHERE FROM 20N TO 29N BETWEEN 164W AND 176W. .48 HOUR FORECAST HURRICANE NOLO NEAR 23.7N 177.5W. MAXIMUM SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM NE QUADRANT...90 NM SE QUADRANT...70 NM SW QUADRANT...AND 120 NM NW QUADRANT. SEAS 4 M OR GREATER FROM 21N TO 27N BETWEEN 172W TO 178W WITH SEAS TO 9 M. SEAS 2.5 TO 4 M ELSEWHERE FROM 18N TO 30N W OF 168W. 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. .TROUGH FROM 08N142W TO 02N143W MOVING W SLOWLY. .24 HOUR FORECAST TROUGH FROM 08N143W TO 05N142W. .48 HOUR FORECAST TROUGH FROM 07N143W TO 02N143W. .WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA. .MONSOON TROUGH FROM 08N160W TO 08N180W. ISOLATED MODERATE TO ISOLATED STRONG TSTMS WITHIN 240 NM EITHER SIDE OF TROUGH BETWEEN 166W AND 178W. .SCATTERED MODERATE TO ISOLATED STRONG TSTMS S OF 03N E OF 154W. $$ .FORECASTER BLOOD. HONOLULU HI.