High Seas Forecast
Issued by NWS
Issued by NWS
658 FZPN40 PHFO 220329 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 0500 UTC SAT AUG 22 2026 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0000 UTC AUG 22 2026. 24 HOUR FORECAST VALID 0000 UTC AUG 23 2026. 48 HOUR FORECAST VALID 0000 UTC AUG 24 2026. .WARNINGS. ...HURRICANE WARNING... .HURRICANE LALA NEAR 29.4N 170.7W 977 MB AT 0300 UTC AUG 22 MOVING N OR 355 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM E SEMICIRCLE AND 120 NM W SEMICIRCLE. SEAS 4 M OR GREATER WITHIN 210 NM OF CENTER EXCEPT 240 NM SE QUADRANT WITH SEAS TO 12.5 M. ELSEWHERE SEAS 2.5 TO 4 M AND WINDS 20 TO 33 KT N OF 23N BETWEEN 165W AND 168W. NUMEROUS MODERATE TO LOCALLY STRONG TSTMS N OF 28N BETWEEN 169W AND 175W. .24 HOUR FORECAST HURRICANE LALA N OF AREA NEAR 31.0N 172.2W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM NW AND SE QUADRANTS...150 NM NE QUADRANT AND 120 NM SW QUADRANT. OVER FORECAST AREA SEAS 4 M TO 6.5 M N OF 27N BETWEEN 168W AND 178W. ELSEWHERE SEAS 2.5 M TO 4 M AND WINDS 20 TO 33 KT N OF 24N BETWEEN 165W AND 180W. .48 HOUR FORECAST TROPICAL STORM LALA FAR N OF AREA NEAR 32.3N 174.0W. WINDS 20 TO 33 KT AND SEAS 2.5 TO 4M N OF 26N BETWEEN 170W AND 180W. SEE THE LATEST BULLETIN ON HURRICANE LALA ISSUED BY NHC UNDER WMO HEADER WTP22 PHFO. ...TROPICAL STORM WARNING... .TROPICAL STORM MOKE NEAR 14.0N 148.3W 999 MB AT 0300 UTC AUG 22 MOVING WNW OR 295 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM N SEMICIRCLE. SEAS 4 M OR GREATER WITHIN 30 NM NW QUADRANT WITH SEAS TO 4.5 M. ELSEWHERE SEAS 2.5 TO 4 M AND WINDS 20 TO 33 KT FROM 12N TO 17N BETWEEN 143W AND 147W. NUMEROUS MODERATE TO STRONG TSTMS FROM 12N TO 16N BETWEEN 140W AND 149W. .24 HOUR FORECAST TROPICAL STORM MOKE NEAR 15.2N 151.6W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM N SEMICIRCLE...40 NM SE QUADRANT AND 20 NM SW QUADRANT. SEAS 4 M OR GREATER FROM 14N TO 18N BETWEEN 150W AND 154W WITH SEAS TO 5.5 M. ELSEWHERE SEAS 2.5 M TO 4 M AND WINDS 20 TO 33 KT FROM 12N TO 22N BETWEEN 144W AND 158W. .48 HOUR FORECAST TROPICAL STORM MOKE NEAR 16.2N 156.6W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM N SEMICIRCLE...40 NM SE QUADRANT. SEAS 4 M OR GREATER FROM 15N TO 18N BETWEEN 154W AND 158W WITH SEAS TO 5 M. ELSEWHERE SEAS 2.5 M TO 4 M AND WINDS 20 TO 33 KT FROM 12N TO 21N BETWEEN 148W AND 161W. SEE THE LATEST BULLETIN ON TROPICAL STORM MOKE ISSUED BY NHC UNDER WMO HEADER WTP23 PHFO. 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 30N159W 26N161W 24N160W MOVING NW SLOWLY. .24 HOUR FORECAST TROUGH 25N164W 22N165W. .48 HOUR FORECAST TROUGH DISSIPATED. .TROUGH 29N141W 26N142W 24N142W .24 HOUR FORECAST TROUGH 28N145W 24N146W. .48 HOUR FORECAST TROUGH 29N147W 25N150W. .WINDS 20 KT OR LESS OVER THE REMAINDER OF FORECAST AREA. .SEAS 2.5 M OR LESS OVER THE REMAINDER OF FORECAST AREA. .MONSOON TROUGH 12N180W 12N175W 09N164W 08N150W. SCATTERED MODERATE TO LOCALLY STRONG TSTMS S OF TROUGH E OF 161W. .SCATTERED MODERATE TSTMS WITHIN 90 NM OF A LINE 15N180W 20N169W. $$ .FORECASTER ALMANZA. HONOLULU HI.