The High Seas Forecast for the Central North Pacific

High Seas Forecast Issued: 08/10/2026 01:32:37 AM UTC
                        
427
FZPN40 PHFO 091532
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC SUN AUG 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC AUG 09 2026.
24 HOUR FORECAST VALID 1200 UTC AUG 10 2026.
48 HOUR FORECAST VALID 1200 UTC AUG 11 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST

.TROUGH 10N154W 16N153W MOVING W 10 KT. ASSOCIATED SEAS DESCRIBED
BELOW. ISOLATED MODERATE TSTMS FROM 14N TO 10N BETWEEN 154W AND
151W.
.24 HOUR FORECAST TROUGH 15N158W 09N157W.
.48 HOUR FORECAST TROUGH 13N163W 10N159W.

.NEW LOW NEAR 10N141W 1008 MB. TROUGH 13N143W TO LOW TO 08N142W.
TROUGH AND LOW NEARLY STATIONARY. WINDS 20 TO 25 KT FROM 17N TO 12N
 E OF 145W. SCATTERED MODERATE TO STRONG TSTMS WITHIN 120 NM OF
TROUGH. ASSOCIATED SEAS DESCRIBED BELOW.
.24 HOUR FORECAST LOW NEAR 10N141W. WINDS 20 TO 25 KT FROM 18N TO
12N E OF 148W.
.48 HOUR FORECAST LOW NEAR 12N142W. WINDS 20 TO 25 KT FROM 19N TO
13N E OF 147W.

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

.SEAS 2.5 TO 3 M FROM 20N TO 14N BETWEEN 157W AND 143W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 20N TO 13N E OF 160W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 19N TO 13N E OF 156W.

.ITCZ 08N147W 08N161W 07N177W ISOLATED MODERATE TSTMS FROM 13N
TO 05N W OF 170W...AND FROM 09N TO 04N BETWEEN 160W AND 145W.


$$

.FORECASTER KINO. HONOLULU HI.