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High Seas Forecast
Issued by NWS
Issued by NWS
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000 FZPN40 PHFO 031036 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1100 UTC WED MAR 03 2021 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC MAR 03 2021. 24 HOUR FORECAST VALID 0600 UTC MAR 04 2021. 48 HOUR FORECAST VALID 0600 UTC MAR 05 2021. .WARNINGS. ...GALE WARNING... .NE TO E WINDS 25 TO 35 KT AROUND THE MAIN HAWAIIAN ISLANDS. SEE NWS HONOLULU COASTAL WATERS FORECAST AWIPS HEADER HFOCWFHFO OR WMO HEADER FZHW50 PHFO. .12 HOUR FORECAST WINDS EASED TO 20 TO 25 KT. .24 HOUR FORECAST LITTLE CHANGE .48 HOUR FORECAST LITTLE CHANGE. .SYNOPSIS AND FORECAST. .TROUGH 08N161E 01N161E MOVING W 15 KT. ISOLATED MODERATE TSTMS WITHIN 90 NM OF 08N161E. .24 HOUR FORECAST TROUGH MOVED W OF AREA. .RIDGE FROM 30N170E TO 24N160E MOVING NW SLOWLY. .NE TO E WINDS 20 TO 25 KT BOUNDED BY 30N162W 12N148W 12N179E 30N166E 30N162W. .24 HOUR FORECAST WINDS NE TO E 20 TO 25 KT BOUNDED BY 30N163W 10N152W 11N175E 25N174E 30N176W 30N163W. .48 HOUR FORECAST WINDS NE TO E 20 TO 25 KT BOUNDED BY 28N152W 09N160W 08N173W 2N172E 27N179W 28N152W. .SEAS 12 TO 13 FT N OF 17N BETWEEN 168W AND 171E. SEAS 8 TO 12 ELSEWHERE N OF A LINE FROM 06N140W TO 02N176W TO 08N160E. .24 HOUR FORECAST SEAS SEAS 8 TO 12 FEET N OF A LINE FROM 25N140W TO 05N152W TO 03N174E TO 30N165E. .48 HOUR FORECAST SEAS 12 TO 16 FT N OF 24N E OF 157W. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 07N140W TO 03N175E TO 24N160E. .REST OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .ISOLATED MODERATE TSTMS FROM 08N TO 04N BETWEEN 165W AND 171W AND FROM 26N TO 20N BETWEEN 178E AND 168E. .ITCZ 03N140W 03N150W. ISOLATED MODERATE TSTMS WITHIN 200 NM N OF ITCZ BETWEEN 170W AND 180W. $$ .FORECASTER THOMAS. HONOLULU HI.
