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 >

022 FZPN40 PHFO 010311 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 0500 UTC TUE JUL 01 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 01 2025. 24 HOUR FORECAST VALID 0000 UTC JUL 02 2025. 48 HOUR FORECAST VALID 0000 UTC JUL 03 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH 30N158W 25N160W MOVING W SLOWLY. .24 HOUR FORECAST TROUGH 30N158W 26N162W. .48 HOUR FORECAST TROUGH 30N158W 28N160W. .TROUGH 30N169W 28N171W NEARLY STATIONARY. .24 HOUR FORECAST TROUGH 30N174W 26N176W. .48 HOUR FORECAST TROUGH 30N178W 26N179W. .WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER OVER ENTIRE FORECAST AREA. .ITCZ 07N140W 06N155W 06N175E 03N161E. ISOLATED MODERATE TSTMS W OF 155W WITHIN 240 NM N AND 90 NM S OF ITCZ. .ISOLATED MODERATE TSTMS IN AREA BOUNDED BY 22N170E 16N170E 17N161E 22N161E 22N170E. $$ .FORECASTER WROE. HONOLULU HI.