The High Seas Forecast for the Central North Pacific

Regional Outbreaks of Severe Weather Through Early Next Week; Early Season Heat Wave across the South

Active spring pattern across the center of our nation with several episodes of severe weather and heavy rainfall expected into next week. The potential for very large hail, long track tornadoes, severe wind gusts, frequent cloud to ground lightning strikes and flash flooding are in the outlook. Furthermore, dangerous early season heat wave continues for the Gulf Coast states into early next week. Read More >

260 FZPN40 PHFO 120305 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 0500 UTC SAT JUL 12 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0000 UTC JUL 12 2025. 24 HOUR FORECAST VALID 0000 UTC JUL 13 2025. 48 HOUR FORECAST VALID 0000 UTC JUL 14 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .E TO NE WINDS 20 TO 25 KT FROM 19N TO 09N BETWEEN 165W AND 170E... AND S OF 04N E OF 175W. .24 HOUR FORECAST WINDS EASED 20 KT OR LESS. .WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 2.5 TO 3 M S OF 21S BETWEEN 160W AND 177E. .24 HOUR FORECAST SEAS 2.5 TO 3 M S OF LINE 00N145W 20N175W 22N175E. .48 HOUR FORECAST SEAS 2.5 TO 3 M S OF 10N BETWEEN 145W AND 170W. .SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA. .ISOLATED MODERATE TSTMS FROM 24N TO 17N BETWEEN 174E AND 166E. .ITCZ 07N140W 07N165W 05N180E 05N167E 05N160E. SCATTERED MODERATE TSTMS WITHIN 150 NM OF ITCZ W OF 167E. ISOLATED MODERATE TSTMS WITHIN 300 NM N OF ITCZ BETWEEN 167E AND 180E...AND WITHIN 120 NM OF ITCZ BETWEEN 180E AND 165W. $$ .FORECASTER WROE. HONOLULU HI.