161
FZPN40 PHFO 080313 CCA
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC MON SEP 08 2025

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SEP 08 2025.
24 HOUR FORECAST VALID 0000 UTC SEP 09 2025.
48 HOUR FORECAST VALID 0000 UTC SEP 10 2025.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE KIKO NEAR 18.9N 146.6W 974 MB AT 0300 UTC SEP 08
MOVING NW OR 305 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 90 KT
GUSTS 105 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM N
SEMICIRCLE...60 NM SE QUADRANT AND 40 NM SW QUADRANT.  SEAS 4 M
OR GREATER WITHIN 165 NM N SEMICIRCLE...75 NM SE QUADRANT AND 90
NM SW QUADRANT WITH SEAS TO 6 M. SEAS 2.5 TO 4 M ELSEWHERE
WITHIN 300 NM OF CENTER.
.24 HOUR FORECAST HURRICANE KIKO NEAR 20.9N 150.4W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 80 NM NE QUADRANT...60 NM SE QUADRANT...30 NM SW
QUADRANT...AND 70 NM NW QUADRANT. SEAS 4 M OR GREATER
WITHIN 150 NM OF CENTER WITH SEAS TO 5.5 M. SEAS 2.5 TO 4 M
ELSEWHERE WITHIN 360 NM OF N SEMICIRCLE AND 150 NM OF S
SEMICIRCLE.
.48 HOUR FORECAST TROPICAL STORM KIKO NEAR 23.3N 155.5W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS
WITHIN 70 NM NE QUADRANT...40 NM SE QUADRANT...20 NM SW
QUADRANT...AND 60 NM NW QUADRANT. SEAS 4 M OR GREATER
WITHIN 120 NM OF CENTER WITH SEAS TO 5 M. SEAS 2.5 TO 4 M
ELSEWHERE WITHIN 300 NM OF N SEMICIRCLE AND 150 NM OF S
SEMICIRCLE.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.LOW NEAR 26N160W 1013 MB MOVING SW 15 KT. FRONT FROM LOW TO
30N155W AND FROM LOW TO 24N164W 28N171W. SCATTERED MODERATE
TO LOCALLY STRONG TSTMS WITHIN 150 NM S OF LOW AND FRONT
BETWEEN 152W AND 160W.
.24 HOUR FORECAST LOW 25N162W 1014 MB. FRONT FROM LOW TO
28N158W AND FROM LOW TO 25N162W 20N170W.
.48 HOUR FORECAST LOW AND FRONTS WEAKEN TO TROUGHS. 30N167W
20N170W.

.TROUGH 25N169E 22N166E 16N165E MOVING W 15 KT.
.24 HOUR FORECAST TROUGH 28N168E 25N165E 20N165E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.

.SEAS 2.5 TO 4 M N OF LINE 25N160E 30N169E.
.24 HOUR FORECAST SEAS SUBSIDING TO LESS THAN 2.5 M.

.SEAS 2.5 M OR LESS OVER REMAINDER FORECAST AREA.

.ITCZ 09N150W 10N160W 09N169W 11N176W 05N160E. SCATTERED
MODERATE TSTMS WITHIN 210 NM OF ITCZ W OF 160W.

$$

.FORECASTER PECHACEK. HONOLULU HI.