The High Seas Forecast for the South Pacific

Thunderstorms and Heavy Rain Across the Southern and Eastern US; Heat and Fire Weather Concerns in the West

Showers and thunderstorms are expected across the southern and eastern US this week, with heavy rain and localized flooding, particularly near the Gulf Coast. Monsoonal moisture will bring rain and potential flooding to parts of the Southwest. Heat and fire weather threats will continue to impact the West. Read More >

823 FZPS40 PHFO 010312 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 0530 UTC TUE JUL 01 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 SOUTH PACIFIC EQUATOR TO 25S BETWEEN 120W 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. ...GALE WARNING... .FRONT AT 25S160E MOVING E 15 KT. WINDS 30 TO 35 KT S OF 24S W OF 163E. WINDS 20 TO 30 KT ELSEWHERE S OF LINE 17S180E 16S170W 20S160E. ISOLATED MODERATE TSTMS S OF 20S W OF 164E. .24 HOUR FORECAST FRONT 25S167E 20S163E 16S160E. WINDS 20 TO 30 KT BETWEEN FRONT AND 174E S OF 20S. .48 HOUR FORECAST FRONT 25S170E 22S168E THENCE TROUGH 15S160E. WINDS 20 TO 25 KT WITHIN 180 NM E OF FRONT...AND S OF 24S W OF 163E. .SYNOPSIS AND FORECAST. .FRONT 25S161W 23S162W 19S164W MOVING E 10 KT. ISOLATED MODERATE TSTMS WITHIN 90 NM OF POINT 23S153W. .24 HOUR FORECAST FRONT 25S155W 21S159W THENCE TROUGH 17S161W. .48 HOUR FORECAST FRONT 25S143W 21S146W. .FRONT 25S121W 23S130W 22S142W NEARLY STATIONARY. WINDS 20 TO 25 KT S OF FRONT AND S OF 24S BETWEEN 142W AND 152W. .24 HOUR FORECAST FRONT 24S120W 22S130W 24S140W. WINDS 20 TO 25 KT S OF FRONT. .48 HOUR FORECAST FRONT 21S120W 21S130W. WINDS 20 TO 25 KT S OF FRONT. .TROUGH 06S179E 07S170W 16S159W MOVING W SLOWLY. ISOLATED MODERATE TSTMS WITHIN 90 NM OF TROUGH W OF 170W. .24 HOUR FORECAST TROUGH 06S171W 13S163W. .48 HOUR FORECAST TROUGH DISSIPATED. .WINDS 20 TO 25 KT IN AREA BOUNDED BY 16S180E 17S170W 25S165W 25S175W 16S180E. .24 HOUR FORECAST WINDS 20 TO 25 KT IN AREA BOUNDED BY 08S172E 10S173W 25S156W 25S175E 08S172E. .48 HOUR FORECAST WINDS 20 TO 25 KT S OF LINE 25S155W 20S160W 13S178W 25S177E. .WINDS 20 KT OR LESS REMAINDER OF FORECAST AREA. .SEAS 2.5 TO 4 M S OF LINE 00S120W 00S130W 20S140W 20S165W 12S170E 21S160E. .24 HOUR FORECAST SEAS 2.5 TO 4 M E OF LINE 00S130W 25S145W. SEAS 2.5 TO 3.5 M S OF LINE 25S158W 08S180E 23S168E 24S160E. .48 HOUR FORECAST SEAS 2.5 TO 4 M S OF 05S E OF 135W. SEAS 2.5 TO 3.5 M S OF LINE 25S148W 15S170W 07S170E 24S169E 23S160E. .SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA. .ISOLATED MODERATE TSTMS FROM 14S TO 10S BETWEEN 154W AND 158W... AND WITHIN 90 NM OF LINE 13S170E 09S160E. $$ .FORECASTER WROE. HONOLULU HI.