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High Seas Forecast
Issued by NWS
Issued by NWS
370 FZPN40 PHFO 181534 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1700 UTC TUE JUN 18 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E SYNOPSIS VALID 1200 UTC JUN 18 2024. 24 HOUR FORECAST VALID 1200 UTC JUN 19 2024. 48 HOUR FORECAST VALID 1200 UTC JUN 20 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH 25N165E 19N161E NEARLY STATIONARY AND DISSIPATING. .24 HOUR FORECAST TROUGH DISSIPATED. .24 HOUR FORECAST NEW FRONT 30N175E 28N171E 27N162E. .48 HOUR FORECAST FRONT 30N178E 27N174E. .24 HOUR FORECAST NE TO E WINDS 10N TO 18N BETWEEN 150W AND 165W. .48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT FROM 06N TO 19N BETWEEN 146W AND 175W. .REMAINDER OF AREA WINDS 20 KT OR LESS AND SEAS 8 FT OR LESS. .ITCZ 06N140W 07N170W 05N166E 04N161E. ISOLATED MODERATE TSTMS WITHIN 240 NM OF ITCZ W OF 170E...AND WITHIN 120 NM N OF ITCZ E OF 170W. $$ .FORECASTER ALMANZA. HONOLULU HI.