The High Seas Forecast for the Central North Pacific

Storm Impacting the Northwest U.S.; Fire Weather Conditions in Southern California; Severe Weather in the South

A Pacific storm is bringing areas of low elevation rain, moderate to heavy mountain snow, and high winds to the Northwest. Strong Santa Ana winds and very dry conditions are producing elevated to critical fire weather conditions in southern California. Isolated strong to severe thunderstorms are possible through early Wednesday morning across parts of northeast Texas into western Tennessee. Read More >

964 FZPN40 PHFO 051041 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1100 UTC WED FEB 05 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 160E SYNOPSIS VALID 0600 UTC FEB 05 2025. 24 HOUR FORECAST VALID 0600 UTC FEB 06 2025. 48 HOUR FORECAST VALID 0600 UTC FEB 07 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .COLD FRONT 30N176W 28N177E MOVING E 30 KT. WINDS 20 TO 30 KT N OF LINE 30N167W 28N170W 27N179E 30N176W. ISOLATED MODERATE TSTMS WITHIN 240 NM S OF FRONT. .24 HOUR FORECAST FRONT 30N162W 28N165W 26N171W. WIND EASED 20 KT OR LESS. .48 HOUR FORECAST FRONT DISSIPATED. TROUGH 30N159W 24N164W. .COLD FRONT 30N146W 28N148W. WARM FRONT 30N141W 29N140W. FRONTS MOVING E 10 KT. WINDS 20 TO 30 KT N OF 26N BETWEEN 145W AND 154W. .24 HOUR FORECAST COLD FRONT 29N140W 28N141W. WARM FRONT MOVED E OF AREA. WINDS 20 TO 25 KT N OF 25N E OF 147W. .48 HOUR FORECAST COLD FRONT MOVED E OF AREA. ASSOCIATED WINDS EASED 20 KT OR LESS. .COLD FRONT W OF FORECAST AREA MOVING E 30 KT. WINDS 20 TO 25 KT N OF LINE 30N166E 28N160E. .24 HOUR FORECAST FRONT 30N172E 26N163E. WINDS 20 TO 30 KT N OF 28N W OF 179W. .48 HOUR FORECAST FRONT 30N167W 29N177W 23N167E. FRONT DISSIPATING W OF 177W. WINDS 20 TO 25 KT N OF LINE 30N165W 27N173W 27N177E 30N169E. .WINDS 20 TO 25 KT FROM 15N TO 05N W OF 146W. .24 HOUR FORECAST WINDS 20 TO 25 KT FROM 14N TO 05N W OF 162W...AND FROM 12N TO 09N BETWEEN 147W AND 155W. .48 HOUR FORECAST WINDS 20 TO 25 KT FROM 14N TO 05N BETWEEN 146W AND 161E. .WINDS 20 KT OR LESS REMAINDER FORECAST AREA. .SEAS 12 TO 15 FT N OF LINE 30N143W 26N147W 26N155W 30N157W. SEAS 12 TO 13 FT FROM 12N TO 07N BETWEEN 171W AND 179E. SEAS 8 TO 12 FT ELSEWHERE 21N140W 17N148W 10N143W 06N162W 00N170W 00N174E 01N160E...EXCEPT IN AREA BOUNDED BY 10N160E 25N176E 28N160E 10N160E. .24 HOUR FORECAST SEAS 12 TO 15 FT N OF 26N BETWEEN 141W AND 155W. SEAS 8 TO 12 FT ELSEWHERE 16N140W 09N142W 04N158W 00N166W 00N175E 14N163E 26N167E 24N160E...EXCEPT IN AREA BOUNDED BY 24N162W 18N154W 15N160W 19N164W 21N179E 26N174W 27N162W 24N162W. SEAS 8 TO 9 FT W OF LINE 13N160E 06N167E 06N160E. .48 HOUR FORECAST SEAS 12 TO 14 FT N OF LINE 30N173E 26N160E. SEAS 8 TO 12 FT ELSEWHERE N OF LINE 09N140W 06N170W 00N169W 00N174E 06N160E...EXCEPT IN AREA BOUNDED BY 26N TO 21N BETWEEN 171W AND 169E...AND IN AREA BOUNDED BY 21N TO 15N BETWEEN 155W AND 171W. .WINDS 20 KT OR LESS REMAINDER FORECAST AREA. .ITCZ 07N140W 07N160W 05N170W 06N168E 05N160E. ISOLATED MODERATE TSTMS WITHIN 240 NM OF ITCZ FROM 146W AND 178W...AND WITHIN 90 NM ELSEWHERE. $$ .FORECASTER PIERCE. HONOLULU HI.