####018002078#### FZPN40 PHFO 221501 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1700 UTC MON APR 22 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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. SECURITE NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E SYNOPSIS VALID 1200 UTC APR 22 2024. 24 HOUR FORECAST VALID 1200 UTC APR 23 2024. 48 HOUR FORECAST VALID 1200 UTC APR 24 2024. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 30N176E 26N170E THENCE TROUGH TO 23N160E MOVING E 15 KT ALONG 30N. .24 HOUR FORECAST FRONT WEAKENED TO TROUGH 30N179E 25N165E 25N160E. .48 HOUR FORECAST TROUGH 30N180W 27N160E. .TROUGH FROM 27N149W 25N145W NEARLY STATIONARY. .24 HOUR FORECAST TROUGH DISSIPATED. .NE TO E WINDS 20 TO 25 KT FROM 06N TO 16N BETWEEN 180W AND 155W. NE WINDS 20 TO 25 KT FROM 07N TO 12N E OF 145W. .24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 07N TO 15N BETWEEN 168E AND 172W...AND FROM 18N TO 25N BETWEEN 162W AND 155W. .48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 06N TO 13N BETWEEN 168E AND 177W...AND FROM 07N TO 24N E OF 162W. .SEAS 8 TO 12 FT N OF LINE 21N160E 30N174E. SEAS 8 TO 10 FT FROM 05N TO 17N E OF 176E. .24 HOUR FORECAST SEAS 8 TO 10 FT FROM 05N TO 17N E OF 171E. SEAS 8 TO 9 FT N OF 28N BETWEEN 175E AND 179W. .48 HOUR FORECAST SEAS 8 TO 11 FT IN AREA BOUNDED BY 23N150W 15N140W 06N140W 04N180W 10N168W 16N168W 23N150W. .WINDS 20 KT OR LESS AND SEAS 8 FT OR LOWER OVER REMAINDER OF AREA. .ITCZ 04N140W 02N151W 03N154W 02N165W 03N174W 04N160E. SCATTERED MODERATE TSTMS WITHIN 300 NM N AND 120 NM S OF ITCZ BETWEEN 170E AND 160W...AND WITHIN 210 NM N AND 90 NM S OF ITCZ E OF 151W. ISOLATED MODERATE TSTMS S OF 11N W OF 170W. $$ .FORECASTER JELSEMA. HONOLULU HI. ####018003803#### FZPS40 PHFO 221501 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1730 UTC MON APR 22 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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. SECURITE SOUTH PACIFIC EQUATOR TO 25S BETWEEN 120W AND 160E SYNOPSIS VALID 1200 UTC APR 22 2024. 24 HOUR FORECAST VALID 1200 UTC APR 23 2024. 48 HOUR FORECAST VALID 1200 UTC APR 24 2024. .WARNINGS. ...GALE WARNING... .LOW NEAR 20S162E 1009 MB NEARLY STATIONARY. SECOND LOW NEAR 23S178E 1009 MB NEARLY STATIONARY. TROUGH 19S160E TO LOW TO 19S164E TO SECOND LOW TO 24S180W 23S177W 25S173W NEARLY STATIONARY. WINDS WINDS 20 TO 30 KT S OF LINE 20S160E 21S178E 25S179E. ISOLATED TO SCATTERED MODERATE TSTMS WITHIN 300 NM N OF TROUGH. .12 HOUR FORECAST LOW NEAR 20S163W 1010 MB. SECOND LOW NEAR 24S179W 1009 MB. TROUGH 17S160E TO FIRST LOW TO 20S167E 19S176E TO SECOND LOW TO 25S176W. SE WINDS 30 TO 35 KT IN AREA BOUNDED BY 21S160E 21S161E 23S167E 24S167E 24S163E 21S160E. WINDS 20 TO 30 KT ELSEWHERE S OF LINE 19S160E 21S169E 21S176W 25S174W. .24 HOUR FORECAST LOW NEAR 19S163E 1009 MB. SECOND LOW NEAR 23S177W 1009 MB. TROUGH 16S160E TO FIRST LOW TO 22S169E 19S176E TO SECOND LOW TO 25S173W. WINDS 20 TO 30 KT S OF LINE 18S160E 22S167E 21S172E 21S173W 25S173W. .48 HOUR FORECAST LOW NEAR 24S168E 1008 MB. SECOND LOW NEAR 20S177W 1011 MB. TROUGH 14S160E TO FIRST LOW TO 25S170E TO SECOND LOW TO 25S159W. WINDS 20 TO 30 KT S OF 21S BETWEEN 167E AND 170W. .SYNOPSIS AND FORECAST. .LOW NEAR 16S151W 1010 MB NEARLY STATIONARY. TROUGH 06S169W 10S155W 13S150W TO LOW TO 20S152W 25S149W. SCATTERED TO NUMEROUS MODERATE TSTMS FROM 12S TO 17S BETWEEN TROUGH AND 137W. ISOLATED TO SCATTERED MODERATE TSTMS WITHIN 150 NM OF TROUGH N OF 14S. ISOLATED MODERATE TSTMS S OF 17S BETWEEN 145W AND 138W. .24 HOUR FORECAST LOW DISSIPATED. TROUGH 11S166W 13S158W 20S147W 25S142W. .48 HOUR FORECAST TROUGH 10S170W 13S160W 19S150W 25S148W. .TROUGH 03S165E 07S166E 11S168E MOVING W SLOWLY. ISOLATED TO SCATTERED MODERATE TSTMS N OF 12S W OF 170E. .24 HOUR FORECAST TROUGH DISSIPATED. .TROUGH 09S179W 14S177W NEARLY STATIONARY. SCATTERED MODERATE TSTMS WITHIN 300 NM OF TROUGH. .24 HOUR FORECAST TROUGH 08S180W 17S178W. .48 HOUR FORECAST TROUGH DISSIPATED. .TROUGH 17S125W 21S120W MOVING W 10 KT. ISOLATED MODERATE TSTMS S OF 21S E OF 123W. .24 HOUR FORECAST TROUGH 16S130W 21S125W. .48 HOUR FORECAST TROUGH 15S137W 22S131W. .TROUGH 14S124W 16S120W MOVING W 10 KT. .24 HOUR FORECAST TROUGH MERGED WITH TROUGH MENTIONED DIRECTLY ABOVE. .WINDS 20 TO 30 KT S OF LINE 25S143W 19S143W 19S124W 22S120W. .24 HOUR FORECAST E TO SE WINDS 20 TO 30 KT S OF LINE 25S133W 20S133W 20S128W 22S120W. .48 HOUR FORECAST E WINDS 20 TO 25 KT S OF 23S E OF 127W. .SEAS 12 TO 17 FT S OF 19S E OF 131W. SEAS 8 TO 12 FT ELSEWHERE S OF LINE 25S153W 11S135W 16S120W...AND S OF LINE 19S160E 22S167E 21S170E 22S179E 25S179E. .24 HOUR FORECAST SEAS 12 TO 14 FT S OF LINE 25S134W 20S132W 20S127W 24S120W. SEAS 8 TO 12 FT ELSEWHERE S OF LINE 25S150W 11S132W 17S120W...AND S OF LINE 19S160E 22S167E 19S172E 22S174W 25S173W. .48 HOUR FORECAST SEAS 8 TO 11 FT S OF LINE 25S160E 20S172E 20S177W 25S166W...AND S OF LINE 25S145W 17S135W 22S120W. .WINDS 20 KT OR LESS AND SEAS 8 FT OR LOWER OVER REMAINDER OF AREA. .ISOLATED MODERATE TSTMS ELSEWHERE N OF 10S. $$ .FORECASTER JELSEMA. HONOLULU HI.