High Seas Forecast
Issued by NWS
Issued by NWS
387 FZPN40 PHFO 021003 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1100 UTC FRI OCT 02 2026 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC OCT 02 2026. 24 HOUR FORECAST VALID 0600 UTC OCT 03 2026. 48 HOUR FORECAST VALID 0600 UTC OCT 04 2026. .WARNINGS. ...HURRICANE WARNING... .TROPICAL STORM NOLO NEAR 23.3N 166.7W 990 MB AT 0900 UTC OCT 02 MOVING WNW OR 290 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM N SEMICIRCLE...90 NM SE QUADRANT AND 50 NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 90 NM NE AND SW QUADRANTS...120 NM NW QUADRANT AND 60 NM SE QUADRANT WITH SEAS TO 5 M. SEAS 2.5 TO 4 M ELSEWHERE FROM 20N TO 29N BETWEEN 162W AND 173W. SCATTERED MODERATE TSTMS WITHIN 60 NM NW QUADRANT OF LOW CENTER. .24 HOUR FORECAST HURRICANE NOLO NEAR 23.5N 169.2W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM N SEMICIRCLE...90 NM SE QUADRANT AND 70 NM SW 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 175.6W. MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 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. .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 300 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.