048
FZPN40 PHFO 041442
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC SUN OCT 04 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 OCT 04 2026.
24 HOUR FORECAST VALID 1200 UTC OCT 05 2026.
48 HOUR FORECAST VALID 1200 UTC OCT 06 2026.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE NOLO NEAR 23.8N 178.5W 963 MB AT 1500 UTC OCT 04 MOVING
W OR 275 DEG AT 16 KT. MAXIMUM SUSTAINED WINDS 100 KT GUSTS 120 KT.
TROPICAL STORM FORCE WINDS WITHIN 130 NM N SEMICIRCLE...110 NM SE
QUADRANT AND 80 NM SW QUADRANT. WINDS 20 TO 30 KT ELSEWHERE N OF
21N W OF 170W. SEAS 4 M OR GREATER WITHIN 300 NM NE QUADRANT...210
NM SE QUADRANT...180 NM SW QUADRANT...AND 240 NM NW QUADRANT WITH
SEAS TO 12.5 M. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 30N170W 23N170W
17N175W 18N180W. NUMEROUS STRONG TSTMS WITHIN 90 NM OF CENTER.
.24 HOUR FORECAST TYPHOON NOLO NEAR 24.9N 175.8E. MAXIMUM SUSTAINED
WINDS 120 KT GUSTS 145 KT. TROPICAL STORM FORCE WINDS W OF FORECAST
AREA. WINDS 20 TO 30 KT FROM 22N TO 29N W OF 177W. SEAS 4 TO 4.5 M
FROM 25N TO 29N W OF 179W. SEAS 2.5 TO 4 M ELSEWHERE W OF LINE
30N176W 25N175W 21N180W.
.48 HOUR FORECAST TYPHOON NOLO FAR W OF FORECAST AREA NEAR 25.0N
168.4E. WINDS OVER FORECAST AREA EASED TO 20 KT OR LESS. SEAS 2.5
TO 3 M N OF 27N W OF 179W.

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 04N152W 1009 MB MOVING W SLOWLY. SEE TSTMS WITH MONSOON TROUGH
BELOW.
.24 HOUR FORECAST LOW 05N157W 1009 MB.
.48 HOUR FORECAST LOW 08N164W 1010 MB.

.TROUGH 16N151W 10N151W MOVING W 10 KT.
.24 HOUR FORECAST TROUGH 15N154W TO 09N156W.
.48 HOUR FORECAST TROUGH ABSORBED BY MONSOON TROUGH.

.TROUGH 30N148W 28N150W MOVING SE 10 KT.
.24 HOUR FORECAST TROUGH 30N147W 26N148W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.WINDS 20 TO 25 KT AND SEAS 2.5 TO 3 M FROM 14N TO 19N BETWEEN 151W
AND 157W.
.24 HOUR FORECAST WINDS 20 TO 25 KT AND SEAS 2.5 TO 4 M FROM 15N TO
22N BETWEEN 154W AND 163W.
.48 HOUR FORECAST WINDS EASED BELOW 20 KT AND SEAS LOWERED TO 2.5 M
OR LESS.

.WINDS 20 KT OR LESS AND SEAS 2.5 M OR LESS OVER REMAINDER OF
FORECAST AREA.

.MONSOON TROUGH 10N140W TO LOW AT 04N152W TO 07N164W TO 09N170W TO
11N180W. SCATTERED MODERATE TO ISOLATED STRONG TSTMS S OF TROUGH
BETWEEN 146W AND 164W. ISOLATED MODERATE TSTMS WITHIN 180 NM S OF
TROUGH W OF 170W.

$$

.FORECASTER WROE. HONOLULU HI.