The High Seas Forecast for the Central North Pacific

High Seas Forecast   Issued: 11/12/2026 01:36:02 AM UTC

                        
855
FZPN40 PHFO 111536
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC WED NOV 11 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 NOV 11 2026.
24 HOUR FORECAST VALID 1200 UTC NOV 12 2026.
48 HOUR FORECAST VALID 1200 UTC NOV 13 2026.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM PENA NEAR 9.9N 167.7W 1002 MB AT 1500 UTC NOV 11
MOVING WSW OR 250 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM N
SEMICIRCLE AND 0 NM S SEMICIRCLE. WINDS 20 TO 33 KT ELSEWHERE
N OF 10 N W OF 163W. SEAS 4 M OR GREATER WITHIN 300 NM N
SEMICIRCLE AND 60 NM S SEMICIRCLE WITH SEAS TO 5.5 M. SEAS 2.5
TO 4 M ELSEWHERE N OF 09N W OF 162W. SCATTERED MODERATE TO
STRONG TSTMS WITHIN 180 NM N SEMICIRCLE OF PENA.
.24 HOUR FORECAST TROPICAL STORM PENA NEAR 10.2N 172.6W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS
WITHIN 0 NM S SEMICIRCLE...70 NM NE QUADRANT AND 60 NM NW
QUADRANT. WINDS 20 TO 33 KT ELSEWHERE  SEAS 4 M OR GREATER FROM
22N TO 11N W OF 164W WITH SEAS TO 5 M. SEAS 2.5 TO 4 M ELSEWHERE
FROM 26N TO 06N W OF 163W.
.48 HOUR FORECAST TROPICAL DEPRESSION PENA NEAR 10.8N 178.7W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WINDS 20 TO 33 KT
ELSEWHERE FROM 23N TO 11N BETWEEN 164W AND 178W. SEAS 2.5 TO
4 M FROM 21N TO 10N W OF 172W.

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.

.FRONT FROM 30N142W TO 28N147W TO 25N158W MOVING SE 10 KT. SEAS
4 TO 4.5 M N OF 27N BETWEEN 167W AND 171W. 2.5 TO 4 M ELSEWHERE
N OF FRONT. WINDS 20 TO 30 KT N OF FRONT.
.24 HOUR FORECAST FRONT 23N140W TO 21N149W. WINDS EASED TO 20 KT
OR LESS. SEAS 4 TO 6 M N OF FRONT E OF 154W...AND
2.5 TO 4 M ELSEWHERE N OF FRONT E OF 167W.
.48 HOUR FORECAST COLD FRONT DISSIPATED.

.WINDS 20 TO 30 KT FROM 19N TO 11N BETWEEN 147W AND 160W.
.24 HOUR FORECAST WINDS 20 TO 30 KT FROM 24N TO 11N BETWEEN 140W
AND 169W.
.48 HOUR FORECAST WINDS 20 TO 30 KT FROM 23N TO 10N BETWEEN 144W
AND 166W.

.SEAS 2.5 TO 3.5 M FROM 23N TO 14N BETWEEN 148W AND 161W.
.24 HOUR FORECAST SEAS 2 TO 3.5 FROM 20N TO 11N E OF 163W.
.48 HOUR FORECAST SEAS 4 TO 5 M N OF 28N E OF 149W AND SEAS
2.5 TO 4 M ELSEWHERE N OF 27N E OF 157W. SEAS 4 TO 4.5 M FROM
21N TO 12N BETWEEN 144W AND 159W. SEAS 2.5 TO 4 M ELSEWHERE
BOUNDED BY AREA 30N140W 16N140W 09N151W 11N171W 19N170W 30N152W
30N140W.

.OTHERWISE...WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER OVER
REMAINDER OF FORECAST AREA UNLESS OTHERWISE DESCRIBED IN TROPICAL
STORM WARNING ABOVE.

.MONSOON TROUGH FROM 07N140W TO 02N149W TO 07N164W AND FROM 06N170W
TO 04N176W. ISOLATED MODERATE TSTMS FROM 00N TO 08N E OF 145W.
ISOLATED MODERATE TSTMS WITHIN 210 NM OF TROUGH W OF 152W.


$$

.FORECASTER THOMAS. HONOLULU HI.