The High Seas Forecast for the Central North Pacific

High Seas Forecast Issued: 03/09/2026 01:13:42 PM UTC
                        
987
FZPN40 PHFO 090313
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC MON MAR 09 2026

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 180W

SYNOPSIS VALID 0000 UTC MAR 09 2026.
24 HOUR FORECAST VALID 0000 UTC MAR 10 2026.
48 HOUR FORECAST VALID 0000 UTC MAR 11 2026.

.WARNINGS.

...GALE WARNING...
.FRONT 30N171W 25N170W 22N173W. TROUGH 30N171W 25N169W 20N170W.
TROUGH AND FRONT MOVING E 15 KT. WINDS 25 TO 35 KT FROM 22N TO 28N
BETWEEN 180W AND 175W. SCATTERED MODERATE TO LOCALLY STRONG TSTMS
N OF LINE 25N180W 17N170W 17N163W 30N163W.
.24 HOUR FORECAST FRONT 30N164W 20N170W 16N180W. TROUGH 30N161W
17N162W. WINDS 30 TO 35 KT N OF 25N W OF 175W. WINDS 20 TO 30 KT
ELSEWHERE N OF 22N W OF 160W.
.48 HOUR FORECAST FRONT 30N160W 20N169W. FRONT MERGED WITH TROUGH.
WINDS 20 TO 30 KT N OF 20N W OF 157W.

.SYNOPSIS AND FORECAST.

.TROUGH 30N164W 25N163W 19N165W MOVING E 10 KT. WINDS 20 TO 25
KT N OF 25N BETWEEN 165W AND 160W.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 10N143W 05N143W MOVING W 10 KT. SCATTERED MODERATE TSTMS
FROM 05N TO 12N BETWEEN 147W AND 143W.
.24 HOUR FORECAST TROUGH 08N148W 06N148W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 4 TO 5 M N OF 20N W OF 175W. SEAS 2.5 TO 4 M ELSEWHERE
N OF LINE 17N180W 25N173W 25N166W 15N160W 15N150W 20N145W 27N140W.
.24 HOUR FORECAST SEAS 4 TO 5 M N OF 20N W OF 170W. SEAS 2.5 TO 4
M ELSEWHERE N OF LINE 15N180W 20N170W 20N150W 30N145W.
.48 HOUR FORECAST SEAS 2.5 TO 4 M N OF LINE 15N180W 15N170W
25N160W 30N157W.

.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.

.ITCZ 04N180W 05N170W 07N160W 08N148W. ISOLATED MODERATE TSTMS
WITHIN 120 NM ITCZ W OF 175W...AND E OF 155W.

$$

.FORECASTER PECHACEK. HONOLULU HI.