High Seas Forecast
Issued by NWS
Issued by NWS
355 FZPS40 PHFO 141047 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1130 UTC SUN JUL 14 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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. THE NATIONAL WEATHER SERVICE IS ACCEPTING PUBLIC COMMENTS UNTIL JULY 29 2024 ON A PROPOSAL TO REPLACE FEET WITH METERS WHEN DESCRIBING SEAS IN A VARIETY OF NATIONAL MARINE CENTER TEXT AND GRAPHICAL PRODUCTS FOR THE OFFSHORE AND HIGH SEAS AREAS ONLY. TO LEARN MORE PLEASE VISIT HTTPS://OCEAN.WEATHER.GOV/PROPOSED-METERS.PHP SECURITE SOUTH PACIFIC EQUATOR TO 25S BETWEEN 120W AND 160E SYNOPSIS VALID 0600 UTC JUL 14 2024. 24 HOUR FORECAST VALID 0600 UTC JUL 15 2024. 48 HOUR FORECAST VALID 0600 UTC JUL 16 2024. .WARNINGS. ...GALE WARNING... .TROUGH 25S159W 20S160W 16S165W 14S174W MOVING E 15 KT. SEE SEAS BELOW. .24 HOUR FORECAST TROUGH STRENGTHENED TO FRONT 25S151W 20S156W 15S169W 15S176W. WINDS 20 TO 35 KT S OF LINE 25S160W 20S146W 25S143W. .48 HOUR FORECAST FRONT 25S141W 20S147W 15S160W 15S171W. WINDS 20 TO 35 KT S OF LINE 25S154W 22S150W 21S135W 25S131W. SEE SEAS BELOW. .SYNOPSIS AND FORECAST. .FRONT 24S120W 20S132W THENCE TROUGH 17S152W. FRONT MOVING E SLOWLY AND TROUGH NEARLY STATIONARY. SEE SEAS BELOW. .24 HOUR FORECAST FRONT WEAKENED TO TROUGH 23S120W 19S137W. SEE SEAS BELOW. .48 HOUR FORECAST TROUGH DISSIPATED. .FRONT 25S171E 20S168E 15S163E THENCE TROUGH 11S160E. FRONT MOVING E SLOWLY AND TROUGH NEAR STATIONARY. WINDS 20 TO 25 KT S OF 22S BETWEEN FRONT AND 176E. SEE SEAS BELOW. ISOLATED MODERATE TSTMS WITHIN 120 NM E OF FRONT. .24 HOUR FORECAST FRONT WEAKENED TO TROUGH 25S173E 17S166E 12S160E. WINDS DECREASED TO 20 KT OR LESS. .48 HOUR FORECAST TROUGH 25S175E 17S167E 13S160E. .WINDS 20 KT OR LESS REMAINDER FORECAST AREA. .SEAS 8 TO 11 FT E OF LINE 25S141W 10S139W 00S132W. SEAS 8 TO 9 FT S OF 21S BETWEEN 167E AND 176E...S OF LINE 25S178W 18S173W 18S170W 25S165W...AND N OF 09S BETWEEN 144W AND 168W. .24 HOUR FORECAST SEAS 8 TO 11 FT S OF LINE 25S155W 21S144W 22S130W 25S122W, SEAS 8 TO 9 FT E OF LINE 25S120W 07S137W 00S125W...AND N OF 08S BETWEEN 160W AND 172W. .48 HOUR FORECAST SEAS 8 TO 12 FT S AND E OF LINE 25S161W 21S157W 19S135W 05S130W 01S120W. SEAS 8 TO 9 FT N OF 09S BETWEEN 166W AND 180W. .SEAS 8 FT OR LESS REMAINDER FORECAST AREA. .ISOLATED MODERATE TSTMS FROM 01S TO 08S BETWEEN 167W AND 173W. $$ .FORECASTER POWELL. HONOLULU HI.