National Weather Service Marine Forecast FZPN40 PHFO

FZPN40 PHFO 212305
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC THU NOV 21 2019

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC NOV 21 2019.
24 HOUR FORECAST VALID 1800 UTC NOV 22 2019.
48 HOUR FORECAST VALID 1800 UTC NOV 23 2019.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N172E TO 27N165E TO 25N160E MOVING E 25 KT E OF
170E AND MOVING S SLOWLY ELSEWHERE. WINDS 20 TO 25 KT N OF FRONT.
.24 HOUR FORECAST FRONT FROM 30N175W TO 23N167E TO 23N160E. WINDS
20 TO 30 KT N OF FRONT.
.48 HOUR FORECAST FRONT FROM 30N169W TO 23N180W TO 21N160E. WINDS
NE 20 TO 30 KT N OF FRONT W OF 180W.

.LOW NEAR 05N173E 1005 MB MOVING W SLOWLY. TROUGH FROM LOW TO
03N160E NEARLY STATIONARY. WINDS 20 TO 25 KT WITHIN 300 NM N
QUADRANT. SCATTERED MODERATE TSTMS WITHIN 180 NM OF LOW AND
TROUGH.
.24 HOUR FORECAST LOW NEAR 03N170E 1006 MB. TROUGH FROM LOW TO
03N160E. WINDS 20 TO 25 KT WITHIN 300 NM N QUADRANT.
.48 HOUR FORECAST LOW 06N165E 1005 MB. TROUGH FROM LOW TO
05N160E. WINDS 20 TO 25 KT S OF 08N W OF 168E.

.RIDGE FROM 30N167W TO 27N171E MOVING E SLOWLY AND ERODING FROM
THE W.

.E TO NE WINDS 20 TO 30 KT FROM 11N TO 20N W OF 170W. NE WINDS 20
TO 25 KT FROM 20 TO 27N E OF 165W.
.24 HOUR FORECAST E TO NE WINDS 20 TO 30 KT FROM 10N TO 22N W OF
180W. E TO NE WINDS 20 TO 30 KT FROM 12N TO 27N E OF 162W.
.48 HOUR FORECAST ELSEWHERE E TO NE WINDS 20 TO 30 KT FROM 11N TO
28N.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 12 TO 15 FT N OF 28N W OF 167E. SEAS 8 TO 12 FT ELSEWHERE N
AND W OF A LINE FROM 30N141W TO 14N151W TO 03N174E.
.24 HOUR FORECAST SEAS 12 TO 15 FT BOUNDED BY 30N166E 30N175W
18N160E 26N160E 30N166E. SEAS 8 TO 12 FT ELSEWHERE N OF 07N.
.48 HOUR FORECAST SEAS 12 TO 15 FT FROM 13N TO 26N W OF 170E.
SEAS 8 TO 12 FT ELSEWHERE N OF 09N.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ITCZ FROM 14N140W TO 13N148W TO 10N155W TO 07N168W. ISOLATED
MODERATE TSTMS WITHIN 120 NM OF ITCZ.

.ISOLATED MODERATE TSTMS FROM 06N TO 16N BETWEEN 170W AND 170E.

.HONOLULU FORECAST OFFICE.